Audi A8 (2003 – 2005) vs Mercedes-Benz S-Klasse and predecessors (2002 – 2005): specs compared

The Mercedes-Benz S-Klasse and predecessors is the more powerful of the two, with up to 500 hp against 450 hp. It is quicker, reaching 100 km/h in 4.8 s against 5.1 s. It uses less fuel, from 7.9 L/100 km against 8.4 L/100 km. The Audi A8 is the lighter car, from 1,670 kg against 1,810 kg.

Specification Audi A8 Audi A8 2003 – 2005 Mercedes-Benz S-Klasse and predecessors Mercedes-Benz S-Klasse and predecessors 2002 – 2005
Overview
Origin Germany Germany
Documented years 2003 – 2005 2002 – 2005
Body style — —
Variants 11 10
Fuel Petrol, Diesel Diesel, Petrol
Drive FWD · AWD RWD
Gearbox Automatic Automatic
Performance
Power 220 – 450 hp 204 – 500 hp
Torque 300 – 650 Nm 350 – 800 Nm
0–100 km/h 5.1 – 8.1 s 4.8 – 8.2 s
Top speed 241 – 250 km/h 235 – 250 km/h
Economy
Fuel economy 8.4 – 14.7 L/100 km 7.9 – 14.8 L/100 km
Dimensions
Length 5,052 – 5,182 mm 5,042 – 5,169 mm
Width 1,895 mm 1,854 mm
Height 1,445 – 1,455 mm 1,445 mm
Wheelbase 2,944 – 3,073 mm 2,964 – 3,086 mm
Curb weight 1,670 – 1,960 kg 1,810 – 2,135 kg

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

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