Audi A8 (2005 – 2009) vs Mercedes-Benz S-Klasse and predecessors (2005 – 2009): specs compared

The Mercedes-Benz S-Klasse and predecessors is the more powerful of the two, with up to 517 hp against 450 hp. It is quicker, reaching 100 km/h in 4.6 s against 5.1 s. The Audi A8 is the lighter car, from 1,690 kg against 1,880 kg.

Specification Audi A8 Audi A8 2005 – 2009 Mercedes-Benz S-Klasse and predecessors Mercedes-Benz S-Klasse and predecessors 2005 – 2009
Overview
Origin Germany Germany
Documented years 2005 – 2009 2005 – 2009
Body style — —
Variants 5 11
Fuel Diesel, Petrol Diesel, Petrol
Drive AWD · FWD RWD
Gearbox Automatic Automatic
Performance
Power 232 – 450 hp 235 – 517 hp
Torque 329 – 650 Nm 350 – 830 Nm
0–100 km/h 5.1 – 7.8 s 4.6 – 7.5 s
Top speed 243 – 250 km/h 250 km/h
Economy
Fuel economy 8.4 – 14.7 L/100 km 8.3 – 14.3 L/100 km
Dimensions
Length 5,062 – 5,182 mm 5,075 – 5,207 mm
Width 1,895 mm 1,872 mm
Height 1,445 – 1,455 mm 1,473 – 1,483 mm
Wheelbase 2,944 – 3,073 mm 3,035 – 3,165 mm
Curb weight 1,690 – 1,960 kg 1,880 – 2,180 kg

Ranges cover all variants of each car. The highlight marks the best version per row.

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