Audi S6 (2014 – 2019) vs Mercedes-Benz CLS-Klasse (2014 – 2018): specs compared

The Audi S6 is the more powerful of the two, with up to 450 hp against 408 hp. It is quicker, reaching 100 km/h in 4.4 s against 4.8 s. The Mercedes-Benz CLS-Klasse uses less fuel, from 4.7 L/100 km against 9.2 L/100 km. It is the lighter car, from 1,775 kg against 1,970 kg.

Specification Audi S6 Audi S6 2014 – 2019 Mercedes-Benz CLS-Klasse Mercedes-Benz CLS-Klasse 2014 – 2018
Overview
Origin Germany Germany
Documented years 2014 – 2019 2014 – 2018
Body style — —
Variants 1 9
Fuel Petrol Diesel, Petrol
Drive AWD RWD · AWD
Gearbox Automatic Automatic
Performance
Power 450 hp 170 – 408 hp
Torque 550 Nm 400 – 620 Nm
0–100 km/h 4.4 s 4.8 – 8.3 s
Top speed 249 km/h 237 – 249 km/h
Economy
Fuel economy 9.2 L/100 km 4.7 – 9.0 L/100 km
Dimensions
Length 4,930 mm 4,938 mm
Width 1,875 mm 1,882 mm
Height 1,440 mm 1,417 mm
Wheelbase 2,916 mm 2,873 mm
Curb weight 1,970 kg 1,775 – 1,940 kg

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

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