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VIDEO: Which is faster — Audi S6 Avant TDI or BMW M550d Touring?

Fans were unhappy when Audi switched the S6 from a V8-powered monster sedan/wagon to a diesel V6-powered lame duck. Okay, maybe that’s being a bit harsh but even with impressive performance, the new diesel V6 is boring compared to the old fire-breathing V8. However, Audi isn’t the only one with a fast diesel wagon. Its cross-town rival BMW is in the mix to. So which is fastest: the Audi S6 Avant TDI or the BMW M550d Touring?

 

Both cars are their brands” half-performance cars. They’re both faster than the standard cars on which they’re based but not as fast as their full-on performance siblings, the RS6 Avant and M5, respectively. Both also have six-cylinder diesel engines, both are wagons and both have all-wheel drive. So which is faster?

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In this new POV video from AutoTopNL, we get to see which is faster and it’s not the most exciting of races. While relatively unexciting, it’s sort of important because a lot of customers are going to buy these cars. Customers will like each car’s blend of power, performance and fuel efficiency, even if this drag race sounds like multiple blow-dryers kicking on at the same time…

 

Under the hood of the Audi S6 Avant TDI lies a 3.0 liter turbocharged V6, making 350 hp and 516 lb-ft of torque. The torque figure is nice but its horsepower leaves some to be desired. While the BMW has a quad-turbocharged 3.0 liter inline-six engine with 400 hp and 560 lb-ft. That’s not as much extra power as you might expect four turbos to make. Still, it’s more and it helps.

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In the end, the BMW M550i Touring is faster in every test; from 0-60 mph and to 100 mph. Though, not by much, as the single-horsepower Audi S6 Avant TDI is right on its heels to the very end. They’re both surprisingly quick, we just wish they sounded better doing it.

CategoriesS6
Nico DeMattia

I've been in love with cars since I was a kid, specifically German cars. Now I get to drive them talk about them on the internet.