This edition of the Audi A6 RS6 Avant Performance 4.0 Turbo is the 8 speed / Auto version and was first brought out in 2015. This was at around the same time as the introduction of the 2016 Bugatti Chiron 8.0 W16 Quad Turbo and the 2015 Koenigsegg Regera 5.0 V8 Turbo.This particular Audi A6 has a 3993cc Turbo Petrol powerplant with 8 cylinders in a V formation.
The A6 shares its Petrol V8 engine configuration with the likes of the 2023 Dodge Challenger SRT Demon 170 and the 2023 Ferrari SF 90 XX Spider 4.0 V8 Turbo. If you're looking for other fast cars which share the A6's All Wheel Drive, Estate combination then how about the 2024 Aspark Owl AWD or the 2019 Pininfarina Battista 1900.
Weighing in at 2025 kgs (4464 lbs) this makes the Audi A6 RS6 Avant Performance 4.0 Turbo in the same weight category as the 2023 Dodge Challenger SRT Demon 170 or the give or take 50kg.
In terms of power the 3993cc 32V V8 engine produces 597 bhp (445 kW) @ 6100 rpm similar to the 2024 Bentley Flying Spur Speed (592 bhp) or the 2024 Audi A6 RS 6 Avant GT (621 bhp).
The Turbo V8 throws out 553 lb-ft (749.7 Nm) @ 2500 rpm placing it with cars of similar torque performance figures such as the 3996 Bentley Continental GT 4.0 V8 Turbo Convertible (568 lb-ft) or the 2025 Lamborghini Fenomeno V12 (535 lb-ft).
If one combines the weight with power or torque performance for the Audi A6 you can get a better idea of it's real world performance.
The 2005 Fisker Tramonto 5.4 V8 Performance Plus (319.8 bhp per ton) has similar Bhp Per Ton stats as the Audi A6.
The Audi A6 has a Power to weight ratio of 294.8 bhp per ton and 273.0 lb-ft per ton. Bhp Per Ton figures of the 2015 A6 competing with the 2005 Fisker Tramonto 5.4 V8 Performance Plus (319.8 bhp per ton) or the 2009 Audi R8 5.2 FSI Quattro V10 (319.7 bhp per ton).
If you agree with the late great Carroll Shelby then arguably an even better indicator of potential performance, Torque. Use weight as well and you end up with - Torque per ton, with the Audi A6 generating around 273.0 lb-ft per ton. If you're curious as to what other cars have as much torque to weight then look no further than the 2020 Lamborghini Huracan EVO 5.2 V10 RWD (297.3 lb-ft per ton) or the 2011 Lamborghini Gallardo LP570-4 Super Trofeo Stradale (297.0 lb-ft per ton).
With a 0-60mph time of 3.60 secs or a 0-100km/h (0-62mph) of 3.7 secs, this made the Audi A6 RS6 Avant Performance 4.0 Turbo as fast as the 2023 BMW i7 M70 xDrive G70 (3.60 secs) the 2022 BMW 4 Series M4 CSL (3.60 secs) the 2020 Audi TT RS 2.0 Turbo (3.60 secs) the or the 2020 Iso Rivolta GTZ 6.2 V8 Supercharged (3.60 secs). This Audi A6 RS6 Avant Performance 4.0 Turbo is also faster than the 2025 BMW 2 Series M2 CS Bi-Turbo (3.70 secs) the 2024 Audi A3 RS 3 Saloon (3.70 secs) the 2022 Audi A3 RS 3 Saloon Performance edition (3.70 secs) the and the 2022 BMW 8 Series M850i xDrive 4.4 V8 Turbo G15 (3.70 secs).
When talking about the performance of the Audi A6 on the drag strip it can reach a quarter mile in an estimated 11.91 secs @ 114.9 mph. Similar performance down the quarter mile can be found with the the 2021 Porsche Taycan 4 Cross Turismo (11.86 secs), the 1966 Ferrari 330 GTS (11.87 secs), and the 1992 Maserati Shamal 3.2L V8 BiTurbo (11.87 secs).
Modern performance cars are often artificially restricted to 155mph. The 2015 version of the Audi A6 RS6 Avant Performance 4.0 Turbo has a maximum speed of 190mph.
If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 2015 Audi A6 RS6 Avant Performance 4.0 Turbo then how about the 2020 Lamborghini Huracan EVO 5.2 V10 RWD Spyder (201 mph), the 2020 Audi R8 5.2 V10 (201 mph), or the 2019 Audi R8 5.2 V10 RWD (201 mph).
Subaru Impreza WRX - Classic JDM
Engine: Turbo Petrol | 1994cc 16v F4
Top Speed: 135 mph
0-60mph: 4.70 seconds
Subaru Impreza WRX - Blobeye
Engine: Turbo Petrol | 1994cc 16v F4
Top Speed: 230.1 kph
0-100kph: 6.1 seconds