Opel Omega Sedan (1999 – 2003) vs Audi S6 (1999 – 2004): specs compared

The Audi S6 is the more powerful of the two, with up to 340 hp against 315 hp. It is quicker, reaching 100 km/h in 5.7 s against 7.0 s. The Opel Omega Sedan uses less fuel, from 6.6 L/100 km against 14.1 L/100 km. It is the lighter car, from 1,530 kg against 1,735 kg. At 4,900 mm, the Opel Omega Sedan is 66 mm longer than the Audi S6.

Specification Opel Omega Sedan Opel Omega Sedan 1999 – 2003 Audi S6 Audi S6 1999 – 2004
Overview
Origin Germany Germany
Documented years 1999 – 2003 1999 – 2004
Body style Sedan —
Variants 11 2
Fuel Diesel, Petrol Petrol
Drive RWD AWD
Gearbox Automatic · Manual Automatic · Manual
Performance
Power 101 – 315 hp 340 hp
Torque 205 – 450 Nm 420 Nm
0–100 km/h 7.0 – 15.0 s 5.7 – 6.7 s
Top speed 186 – 249 km/h 250 km/h
Economy
Fuel economy 6.6 – 14.0 L/100 km 14.1 – 14.3 L/100 km
Dimensions
Length 4,900 mm 4,834 mm
Width 1,781 mm 1,849 mm
Height 1,461 mm 1,443 mm
Wheelbase 2,731 mm 2,758 mm
Curb weight 1,530 – 1,610 kg 1,735 – 1,760 kg

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

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