Audi S8 vs Mercedes-Benz S-Class Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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Specs

2025 Audi S8
4.0 TFSI Black Edition
2025 Mercedes-Benz S-Class
3.0 S450e L AMG Line Premium
Powertrain 8-speed Automatic 9-speed Automatic
Drivetrain
4X4
RWD
Fuel economy, city -- --
Fuel economy, motorway -- --
Fuel tank volume 310 L 254 L
Engine
Fuel type
Petrol
Hybrid
Power
420 kW
220 kW
Torque
--
610 N-m @ 4,000 RPM
Cylinders
8 cylinders
6 cylinders
Engine size
3,996 cc
2,999 cc
Exterior
Length 131.83 m 134.34 m
Width 54.1 m 53.57 m
Height 37.47 m 38.18 m
Wheelbase 76.15 m 81.69 m

Available Options

2025 Audi S8
4.0 TFSI Black Edition
2025 Mercedes-Benz S-Class
3.0 S450e L AMG Line Premium

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