Audi RS6 Avant vs Audi S6 Avant Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2026 Audi RS6 Avant 4.0 TFSI GT
Photo of 2020 model year shown

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2025 Audi S6 Avant 3.0TDI V6 Black Edition

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Specs

2026 Audi RS6 Avant
4.0 TFSI GT
2025 Audi S6 Avant
3.0TDI V6 Black Edition
Powertrain 8-speed Automatic 8-speed Automatic
Drivetrain
4X4
4X4
Fuel economy, city -- --
Fuel economy, motorway -- --
Fuel tank volume 276 L 276 L
Engine
Fuel type
Petrol
Diesel
Power
463 kW
253 kW
Torque
1,112 N-m @ 4,500 RPM
949 N-m @ 3,250 RPM
Cylinders
8 cylinders
6 cylinders
Engine size
3,996 cc
2,967 cc
Interior
Maximum seating 5 seats 5 seats
Front legroom -- --
Rear legroom -- --
Exterior
Length 127.46 m 125.83 m
Width 53.59 m 53.59 m
Height 37.77 m 37.62 m
Wheelbase 74.4 m 74.37 m

Available Options

2026 Audi RS6 Avant
4.0 TFSI GT
2025 Audi S6 Avant
3.0TDI V6 Black Edition

Related Comparisons

2026 Audi RS6 Avant
4.0 TFSI GT
2025 Audi S6 Avant
3.0TDI V6 Black Edition