You Can Buy A V10-Powered Audi S6 For The Price Of A Used Ford Focus

In the future, the 2000s will be remembered as the golden years for natural aspiration. We’re talking big cubes, big revs, and big cylinder counts. In no other era could a V10 engine be stuffed into a sedan, but the noughties made it work. Sure, the V10-powered BMW M5 may grab all the headlines, but it’s not the only ten-cylinder sedan from the period. There was also an Audi S6 with a 5.2-liter V10, and while it didn’t scream like the M5 did, it made for one seriously sonorous Q-car.

We’re talking about 435 horsepower harnessed by four-wheel-drive, a leather-lined interior with impeccable fit-and-finish, and just the right mix of analog and digital to still be a daily driver. Best of all, it just looks like a normal sedan, so it’s a very if-you-know-you-know thing.

Due to a market launch that lined up almost directly with the Great Recession, sales of the V10 Audi S6 weren’t exactly brisk. As a result, they don’t pop up for sale often, but when they do, you’ll find that driver-condition cars are far cheaper than you might expect for something with a V10.

What Are We Looking At?

People love to assume that the engine in the 2007 to 2011 Audi S6 came straight out of the Lamborghini Gallardo and well, that’s only half-true. See, when Audi launched the S6, Lamborghini was using a five-liter V10 in the Gallardo, but it wasn’t identical to the 5.2-liter V10 under the hood of the S6. In fact, the engines were so different, they didn’t share bore spacing, and the Gallardo five-liter V10 was an odd-fire engine compared to the S6’s even-fire engine. However, for the 2009 model year, the Lamborghini Gallardo adopted a version of the 5.2-liter V10 in the S6, complete with 90 mm bore spacing and an even firing interval. Does that mean later Gallardos have Audi V10s? You be the judge.

What isn’t up for debate is the effect of this monstrous V10. Sure, it may have only propelled the S6 from a dead stop to 60 mph in 5.4 seconds during Car And Driver testing, but the soundtrack is absolutely epic. As Automobile Magazine wrote:

The S6–like its big brother, the S8–benefits from a charismatic engine. Rated at 435 hp, the V-10 with Italian DNA features direct fuel injection, four overhead camshafts, and an intake plenum with two unequal-volume lungs. Drop the hammer, and the S6 catapults itself into action, generating tidal waves of noise that sound so physical they might result in the car’s flight path being lined with leafless trees and featherless birds.

What’s more, even though the S6 isn’t the sharpest German super sedan, all-wheel-drive and a docile six-speed automatic transmission mean it’s easy to use as an everyday car. Smooth, refined, and offering unyielding traction when the clouds start to shed their moisture. As far as all-weather point-to-point sedans go, you could do much worse than this.

How Expensive Are We Talking?

You might be shocked to learn how little you can get into a V10-powered Audi for. We’re talking used economy car money here. Taking a look around the classifieds, you could get a nicely equipped low-mileage 2018 Ford Focus Titanium for around $15,000. However, a V10 S6 doesn’t cost that much up front. Take this 2008 model, which recently hammered on Bring A Trailer for $11,200. Sure, it might have 110,000 miles on the clock, but it’s a warm climate car with tons of amenities, and the seller wasn’t shy about dropping some coin on maintenance.

On a similar note, here’s a 2007 Audi S6 that sold for $12,750 on Cars & Bids back in November. It’s lightly modified with an RS6-style grille, aftermarket wheels, and H&R lowering springs, but it also had a reasonable 115,100 miles on the clock, was a west-coast car since new, and looks to be in remarkably good shape for its age.

Perhaps unsurprisingly, higher-mileage examples are even cheaper. This 2007 Audi S6 sold on Cars & Bids last January for just $7,100, and although it came from the salt-free south, it did have 149,400 miles on the clock when it hammered. Sure, it wasn’t a perfect car, but as far as running, driving V10 performance cars go, it’s hard to find one cheaper.

What Could Possibly Go Wrong?

Well, we are looking at a complicated, once-expensive German super sedan with an engine linked to supercars, so pour yourself a beverage because some of these parts price tags are hard to swallow. The intake manifold on the S6 has a set of flaps in it that fail over time, and a replacement intake manifold isn’t exactly cheap. A new manifold alone will run you $3,918.99 from FCP Euro, and that’s before we even get into the labor costs. Audi really shoehorned this V10 into the S6, so it’s a tight engine bay to work in. The bottom line? Don’t expect to get out of this repair for less than $5,000.

As for other problems, this V10 uses gasoline direct injection, so it’s known to suffer from carbon buildup on the backs of the intake valves. A cleaning every 40,000 miles isn’t a bad idea. Ignition coil-on-plugs are also common wear items, and a full set of Denso coil packs will run you $279.90 from FCP Euro. In addition, the crankcase ventilation system components are known to go bad, and the car itself eats front suspension components,

Should You Buy A V10-Powered Audi S6?

If you have any financial sense at all, you absolutely shouldn’t buy a V10-powered Audi S6. Between periodic maintenance and sheer voracity for fuel, this is a car that could max out your cards in a hurry. However, if you’re the sort of person who has five grand lying around at all times for maintenance and wants an all-weather daily driver with a soundtrack to die for, it’s worth at least test-driving one. These cars have a strange way of burrowing into your heart

(Photo credits: Bring A Trailer)

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