When you think of plush, V8-powered highway cruisers, your mind might conjure up a Cadillac, or a Mercedes-Benz S-Class, or even a Lexus LS. Those are all fine and dandy choices, but there’s another, more obscure one out there that might pique your interest. Although Volvo isn’t known for a history of V8 engines, for about five years, you could get a Volvo S80 with a 311-horsepower naturally aspirated V8 engine. How’s that for an unusual proposition?
However, the Volvo S80 V8 wasn’t entirely a Swedish contraption. Sure, Volvo built the body and the interior and worked out the suspension and electrical system, but for the engine, the Gothenburg-based automaker called on Yamaha for help, and the result was just as unusual and compelling as you might expect.
Welcome back to Beige Cars You’re Sleeping On, a weekly series in which we raise the profile of some quiet greats. We’re talking vehicles that are secretly awesome, but go unsung because of either a boring image or the lack of an image altogether.
Yes, that Yamaha. From pianos to motorcycles to the Toyota 2000GT, Yamaha seems to have a hand in just about anything fun, and for a while, automakers could go to the Japanese conglomerate if they needed an engine or substantial engine parts. Toyota used Yamaha’s expertise for the 2JZ, Ford installed a Yamaha-built V6 in the original Taurus SHO, and now it was Volvo’s time to use a little bit of that expertise.
Transverse V8s aren’t anything new. From the Cadillac Allante to the Y2K-era Lincoln Continental, automakers have experimented with cramming eight cylinders into predominantly front-wheel-drive platforms. However, the B844S V8 in the second-generation Volvo S80 was a bit different than most.
For starters, it was a 60-degree V8. Conventional wisdom states that 90 degrees is the ideal bank angle for a V8, as it keeps vibrations low. To prevent the 60-degree Yamaha V8 from shaking S80 occupants, Yamaha utilized offset crank journals to ensure one combustion cycle per 90 degrees of crankshaft rotation.
Oh, but that’s not the only trick Yamaha used to keep this V8 compact. The alternator was simply bolted to the engine block rather than to a bracket, and the exhaust cams ran off of secondary chains driven by sprockets on the intake camshafts. See, fitting a V8 where a V6 usually goes often isn’t too crazy, but fitting a V8 where a much narrower inline-six usually goes? That requires some finagling.
The end result was an all-aluminum quad-cam transverse V8 that weighed a modest 418 pounds, yet cranked out 311 horsepower. While that’s not an earth-shattering figure today, keep in mind that a Ford Mustang GT of the time made just 300 horsepower. However, more than sheer numbers, the engine had charisma, as Car And Driver wrote:
Perhaps due to its not ideal 60-degree bank angle, the V-8 delivers a raucous intake snarl at full throttle. It’s a pleasure to hear a V-8 working hard, and the sound is the most sporting aspect of the S80 experience. At 4179 pounds, the S80 is heavier than most others of its class, but the V-8 has 792 fewer pounds to contend with than in the XC90, and the result is a 0-to-60 time of 5.7 seconds — a few ticks slower than its more expensive V-8 rivals but quicker than comparably priced six-cylinder variants. The engine is perfectly matched to a six-speed automatic with manumatic override and all-wheel drive. Quick downshifts and healthy torque make for stress-free passing well into triple-digit speeds.
Indeed, the Yamaha-sourced V8 in the second-generation S80 is a sonorous engine, although the rest of the car is far more luxury cruiser than sports sedan. In normal operation, its all-wheel-drive system sends 95 percent of the torque to the front tires, and when you add in somewhat cushy suspension, it all adds up to the Swedish equivalent of a Buick Lucerne Super. That ought to get your pulse moderated.
However, don’t think that the V8 S80 is a waste of time, because it’s still a beautifully made long-distance cruiser. With a flowing, floating center stack, plenty of soft materials, a charming human-shaped button arrangement for HVAC air direction, and God’s own seats, you just get the sense you can set the cruise control to 70 mph and just go until the 18.5-gallon fuel tank is dry. Granted, with a combined fuel consumption figure of just 18 mpg, that only gets you 333 miles of EPA-rated range, but still. Plush is plush. You could even get the S80 V8 with adaptive cruise control, blind spot monitoring, and rear seat entertainment. Not bad for model year 2007.
These days, if you’re looking for a V8-powered Volvo S80, you can find one remarkably cheaply, even though this car had a relatively short production run from mid-2006 through the end of the 2010 model year. Want a high-mileage hero? Here’s a 2007 S80 V8 with a whopping 181,801 miles on the clock up for sale at an Audi dealership in New Jersey for just $2,599. No, I’m not missing a digit there, high-mileage examples really are that cheap.
Mind you, a high-mileage luxury car of any sort will likely come with issues during the ownership period, so how much is a nice S80 V8? Well, here’s a 2008 model with a mere 87,446 miles on the clock up for sale in Wisconsin for $9,595. That’s still barely in the four-figure category, a price which makes these eight-cylinder S80s seriously temping buys.
So, if you’re looking for a relatively modern, big, comfy, V8 highway cruiser, you might want to put a 2007 to 2010 Volvo S80 V8 on your shortlist. Sure, it’ll require odds and ends over the years, but with a unique soundtrack and damn near perfect seats, you can’t help but get the sense that these cars are keepers. Maybe that’s why so few are for sale nationwide.
(Photo credits: Volvo, Autotrader sellers)
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I recently bought a 2010 XC90 with this same engine and I love it. I got it explicitly for long highway drives because its got plenty of space, power, and is so smooth. Not looking forward to replacing the valve cover gaskets but once I do that with a few “while you’re in there’s” it should be set for a long time. I’m thinking of getting one of these S80s for a daily.
Volvos are what men drive when their wives won’t let them buy a BMW. Quiet, Scandinavian luxury (yawn) with front wheel drive DNA that AWD cannot overcome. Swedish Buick is a good description. They drive ok up until about 6/10 then flop around in uncontrolled fits of leaning, yawing, understeering. Really a waste of a decent engine in this car.
Thank you for this insightful comment.
You’re welcome! I have lots more and I didn’t even get to the part about supporting a communist government that has to steal technology to be competitive.
Are we talking about Sweden here?
Probably referring to the purchase by Geely in 2010. I guess it’s an argument of some sort, but Volvos are still made in Sweden and also South Carolina so it’s not like buying one is just a donation to the PRC.
No, China. Volvo is owned by Geely Holdings which has known ties to the CCP (Chinese Communist Party). They may still be built in Sweden but ownership and driving data, some through vehicle telematics, makes its way to the motherland. Probably harmless, but a good example of the extent of intrusion into our personal lives by the Chinese government.
I agree with the China thing,I try to avoid supporting anything from that way myself. I was just thinking that this particular Volvo and those before 2010 are not communist/China related.
Interesting theory. I have a wife, an S80 V8, and a BMW 135i, and they entered my life in that order…
I’m not sure 5 is short years for a run of an specific engine in a car model. Some whole car models have had production runs that short, or shorter, Cadillac ELR, Isuzu Vehicross, Subaru SVX.
ugh demure? :facepalm:
My mom’s best friend bought a 2007 S80 V8 when it was new. I never thought much about it until one day (in 2015, I think) when I was helping my dad mow their yard. She came by to pick up my mom and I heard them pull away. The exhaust made the most beautiful sounds I’ve ever heard! It was a muted roar that let you know this wasn’t any big Volvo sedan.
In 2017, she traded it on a new Lexus GX 460. It made me sick when my mom told me she only got $8k on trade-in. It had just over 120k miles, but it was perfect inside and out (silver with black interior). I would have paid her at least $12k for it! But she had no idea I wanted it. I’m depressed just thinking about it now…
I’m a Volvo fanboy and wasn’t even aware this existed. Now I want one. Dammit. 😉
I love a nice, tasteful, but sneaky fast Volvo and 5.7 to 60 is plenty fast. No one is going to notice “a few ticks” slower than competitors in the real world, they’re too busy grinning in their LA-Z-Boy rocket.
Paul Newman would drive this stock.
If I had more time and resources, I’ve often fantasized about swapping this engine to V70. Should be pretty much direct fit. I personally don’t care much about S80 or sedans, but Hot Wagons <3.
Ive seen two V8 swapped P2s. One a very nice Ocean Race V70.
As the owner of a XC90 V8 with 190k on the clock I can say it’s a fun engine. But if you want any Volvo of this era, be prepared. If you want to any diagnosis and wrenching yourself, you really need a computer interface and copy of the VIDA software. Many components require a software download through that system, for which you’ll either need to buy access to from Volvo, or pay a dealer to do it. If the Haldex module goes from water intrusion or too much current draw from pump failure, your best option is to send it to Xemodex for repair, and that alone is around $1000.
Most or all of the engine ancillaries are unique to this engine. Don’t expect your local parts store to have anything on hand for it. Note also that the monitored cats on this engine are integral with the exhaust manifolds, so if a cat goes bad you’ve got a major expense for the part, plus the labor involved.
The engine itself is quite robust. The cooling fan died while my wife was driving, and she only realized it after it was hot enough to be running rough and she saw the temp gauge. Asked my mechanic friend who was nearby if he could go assess the situation. Even with the time it took for him to get there, it was still, as he described it, “nuclear,” and he was surprised that it wasn’t completely done.
Every time I see V8 S80, my head changes it to V8 V80. Mostly because a V8 wagon would be so much better.
OK, incredible V8 engine aside, would you look at that gorgeous dash with all those buttons??? MAKE INTERIORS LIKE THIS AGAIN VOLVO!
I’ve always loved these, worked at a Volvo dealership back in the day, these really do sound amazing. Had one guy that had uncorked the exhaust on his and it sounded nasty.
Reliability for this engine is not terrible at all. It is a Japanese built Yamaha, probably the strongest thing going for this vehicle at its age. The rest of the vehicle, at this point in time, you would be correct, it is extremely unreliable. I have a 2009 with 163,000 miles on it. I daily drive it to work and it is a great car. It is kind of a game which dash message will appear every time I start it. For a week I’ve been chasing lighting problems in the RF headlight and I finally have it figured out. I’ve recently done valve cover gaskets, alternator, idler pullies, carrier bearing bracket, rear brakes, and a battery. None of these have anything to do with the engine. You could point to the valve cover gaskets, but that is a known common problem with such high mileage.
My example is filled with options that were well ahead of its time. Blind spot, radar cruise, collision mitigation, adaptive steering headlights, lane keeping assist, massage seats that are heated and cooled. And they all work just as good, if not better than modern variants.
Reliability for this engine was terrible. Most were in XC90.
Other than the exposed balance shafts in the early models actually they are pretty solid reliability wise. But they are a pain to work on when they do need things, crammed in tight.
The seats fitted in that generation of Volvos are the most comfortable ones I have ever encountered. My mom had a 2001 V70 T5 when I was growing up and it was like driving while sitting in a La-Z-Boy recliner. My folks have had BMWs, Porsches, and Mercedes over the years and none of them have seats close to as comfortable as the Volvo’s were. My parents agree with me on this. I’ve driven about 100 different cars and have yet to find more comfortable seats.
That car’s look have held up remarkably well for being well over a decade old. It doesn’t look that old…
What’s a short year?
Non-Leap Year?
Nah, those are regular years and leap years are long years; short years don’t appear to exist in this continuum. I think Hundal must use the Chinese lunar calendar. Or he’s an alien.
These V-8s sound absolutely amazing, and you even covered it before with the XC90 V-8. The major Achilles heel of this V-8 is its inability to get wet. Please be careful when detailing the engine bay, because somehow a company that makes marine engines didn’t make this one quite marine quality.
You may be referring to the issue where water collects in the valley between the cylinder banks. I believe they fixed that beginning in 2007.
Yes, the balance shaft bearing can get water in. I wasn’t really aware they fixed it in 07, so that is great to know!
I was going to make the same comment. These V8s sound great, and the article is right on the money about the intake sound being surprisingly good. A friend had one of these with an aftermarket intake and exhaust on it, and it sounded good from the outside and even better from inside.
This video of a bunch of Volvo V-8 launches is one of my favorite youtube videos of all time.
There was one in there with a manual transmission. Now I want to know what transmission!
Alright, now I want one. Something about that sound coming out of something so bland (but attractive) looking really hits for me.
I’ve got a friend who has been looking at these for a couple years, and there aren’t many, and most are in questionable condition, however the V-8 XC90 is more abundant, and sounds just as glorious. Also extra points for you if you find an Ocean Race V-8 XC90.
What Johnny said, that was only the 2005-2006 engines. Matthew’s Volvo Site has a good write-up about it.
Imagine this if they had put it into the S60. Or C70. Or get crazy, the C30.
P1 platform (C30, S40, V50, C70) would be a no go, as it is more compact than the P3 platform (S60, V60, V70, S80, XC60, XC70). That being said, a V70 would be a hoot, especially since they offered a beautiful R Design, but never gave it teeth (NA 3.2). A S60/V60 with the V8 swap would also be fun, but they were offered with the T6, which is both more powerful and more reliable.
I have a pipe dream of converting my V8 into a ute and bringing over all the trim from an XC70 to make it look more rugged. I’ve seen two on the internet, and they look great.
That would be fun. I don’t think it fits in the C30/S40/V50/C70 though.
Bolts right into a V70/XC70, so theoretically should fit in the S60, I just haven’t seen one yet.
ive seen and heard a V8 swapped S60 and an Ocean Race V70.
Wow. Many power. Much elegant. Such demure.
You forgot the craziest part about this setup. This engine started life as the 3.4l V8 in the Jellybean Taurus SHO. After SHO sales tanked, and Ford/Yamaha worked out the kinks (Spun cam gears anyone!), the second generation, which we have here, made its way over to Volvo, where it got a new lease on life.
+1 came here for this
Who thought swaging cam gears to the cam was a good idea?
Not quite true. Yes, they’re both Yamaha V8s with a 60° bank angle (and other shared dimensions), but the B8444S is not related to the SHO engine. SHO is closed-deck for one, while the B8444S is open-deck.
Yamaha still makes the engine for marine use, with displacement up to 5.6L. However they changed them to a “hot-V” configuration (exhaust inside the V rather than outside) making it difficult to put into a FWD-based vehicle.
I wonder how one of these would be as a longitudinal engine swap into a small RWD car? With the OHC I think they’d be about as wide as a SBC so maybe it’s pointless, but it seems like an interesting engine.
They’re wider than an SBC, yes, but decently compact for what they are – the engine bay was designed for the 2.5L turbocharged I5 and 2.9L I6, after all, and they managed to cram in this 4.4L, plus the 3.2L I6 later on. They’re not the most power-dense, and upgrades are fairly comprehensive and racing-grade (see what Garry Rogers, Project Cyan and Noble have done, for instance) which also tends to mean expensive.
Actually look and see what Noble did to put it in the M600 as something that can be street-legal. Richard Hammond seemed to enjoy it on that Top Gear trip.
Hmmm, 914 swap with headers like an Indy spec hot V Ford V8…
So it’s ripe for a Ford Festiva-swap?
I have one of these, and I love it. I cut the mufflers off for the Woodward Dream Cruise in 2017 and never put them back on. I can’t get enough of that exhaust note and its comical incongruence with the otherwise beige appearance of an S80. In my experience, the engine has been reliable, but you need to stay on top of any oil leaks to prevent damage to the ancillaries. Those ancillaries are hugely effort intensive to repair since the engine bay is stuffed with V8. Otherwise, it’s a big comfy cruiser that puts a smile on my face.
I can’t imagine how hard it is to wrench on this motor, and where exactly would you find parts? Might as well take the plunge on an Audi or Merc.
If you really want a FWD V-8, go with a GM, they actually have practice at it. The LaCrosse Super with the LS4 makes the same power as this Yamaha with a lot less fuss.
Love the interior, though. Ain’t gettin’ that from GM.
Surprisingly, I see a ton of them on car-part.com I did a search for the v8 from the XC90 and got 10 pages of results! For some reason car-part.com doesn’t list an S80…
Which, to be fair, doesn’t speak to well of their long term reliability! 🙂
That’s because the transmission poopoo’s itself before the engine does.
Interesting! Maybe some day I will win the lottery and build up the weirdest cache of cars ever. Ultimately that title probably goes to Jay Leno, but, by weird I mean, mundane oddities.
My sis had an S80 for several years. Transmissions lasted between 12-18 months, less than 20k mi. each time. Junked at 80k rather than springing for transmission #6. And she did not have the V8, I can only imagine how fast the tranny melted down with all that moar powah.
But what year? If it was the early P2 model then yeah, T6 models especially ate transmissions (it was the GM 4-speed). I have a P3 XC70 with the Polestar tune pushing 325 hp to the Aisin 6-speed which is all-original at 168k. The Aisin transmissions are fragile, but with consistent fluid drain-and-fills and a maintained cooler they’re not bad at all.
FCP Euro offers just about everything you need for these cars, with a lifetime warranty.
Very easy to find parts. I’ve yet to not find what I need. Example, RF headlight wiring harness. Mine disintegrated. $70 from Volvo. Changing it out is a different story, complete PITA.
The Buick (and the impala ss) have a garbage transmission, not to mention engine issues.
Whereas this engine is pretty well sorted for 2007+ models (stay on top of oil leaks though), and the transmission continued to be improved until the option was discontinued.
I have one in my XC90 and I wouldn’t hesitate to buy another one, though I wouldn’t mind one slightly newer with the upgraded transmission.
Yeah I’ve heard about those transmission issues, but I have also heard that they result mostly from hard abuse. Giving it enough throttle to downshift into 2nd at 70 mph will do a number on almost any automatic transmission.
That being said, I’d certainly try to find one owned by an older gentleman who hasn’t had a speeding ticket since 1962.
The aftermarket has the parts to build a solid transmission, but doesn’t any self respecting LS need rear wheel drive to really exist on this earth?
No, FWD+large is underrated. Not ideal for drag or road course racing, but far better in real-world driving.
This is a great example of a surprisingly interesting car! Great writeup on a car that I didn’t know existed – and thank you for not calling it a “holy grail”.
Next up “Holy-Grail- 2005 F-150 with minimal rust”
Up next:
Our continued feature series on our journey to find the the cup of Christ – is it really stored in an underground vault controlled by Dan Brown?
Quick! Hand me the Holy Hand Grenade!
1…2…5!
The more time passes by, honestly a system of governance based on strange women in lakes handing out swords is looking better and better
Sounds great.
Now if you’ll excuse me I’m off to the castle Anthrax to get myself into peril!
I watched the movie a few weeks ago, and it struck me how much older I am than when I first saw the movie.
First encounter, those girls were all just a bit older than me (16-19.5, per Zoot).
Now? I could be their dad.
Pretty sure the Pythons (In their early to mid 30s at the time of the filming) could have*technically* been their dads too.
Very likely yes.
Thought it was Charlie Brown