The Comparative Analysis :
Mercedes CLS Shooting Brake 63 AMG SPEEDSHIFT MCT (13 - 14) vs. Audi S6 Avant (06 - 08)
€ 117,500

€ 84,500

€ 117,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 84,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The Mercedes CLS Shooting Brake 63 AMG is 0.9 inches longer, an inch wider and 1.9 inches lower than the Audi S6 Avant.
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant
55.7
74.1
81.7
57.6
73
79.9
74.1 in
Width
73 in
81.7 in
Width Incl. Mirrors
79.9 in
55.7 in
Height
57.6 in
113.1
195.1
111.9
194.2
195.1 in
Length
194.2 in
113.1 in
Wheelbase
111.9 in
Vehicle Weight
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant
4123 lb
Curb Weight
4508 lb
5578 lb
Gross Vehicle
Weight
Weight
5732 lb

Weight Difference:
386 lb
8.56 %

General
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant
X218
Generation
C6 (4F)
Station Wagon
Car Body Style
Station Wagon
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

7-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
V10 gasoline engine (naturally aspirated engine)
Mercedes-Benz M 157
Engine Series
M 157.981
Engine Code
BXA

4
Valves
4
8
Cylinders
10
5.5 L / 269 cu in
Displacement
5.2 L / 254 cu in
549 hp
at 5250 rpm
Power
429 hp
at 6800 rpm
Mercedes CLS Shooting Brake 63 AMG
549 hp
429 hp
Audi S6 Avant
531 lb‑ft
at 1750 rpm
Max. Torque
398 lb‑ft
at 3000 rpm
Mercedes CLS Shooting Brake 63 AMG
531 lb‑ft
398 lb‑ft
Audi S6 Avant
Performance
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant
155 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
197 ft
0.000 sec

Mercedes CLS Shooting Brake 63 AMG
62 mph
62
mph
mph
243 ft
0.000 sec

Audi S6 Avant
▶ REPLAY
7.51 lb/hp
Weight-to-Power Ratio
10.51 lb/hp
Mercedes CLS Shooting Brake 63 AMG
7.51 lb/hp
10.51 lb/hp
Audi S6 Avant
Fuel Economy / Emissions
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant
Fuel Economy
23 mpg
combined
18 mpg
Mercedes CLS Shooting Brake 63 AMG
23 mpg
18 mpg
Audi S6 Avant
17 mpg
city
12 mpg
30 mpg
highway
No data
17.4 gal
Fuel Tank Capacity
21.1 gal
406 mi
Range
371 mi
Mercedes CLS Shooting Brake 63 AMG
406 mi
371 mi
Audi S6 Avant
Environmental Impact
191.4 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
253.8 kWh
Mercedes CLS Shooting Brake 63 AMG
191.4 kWh
253.8 kWh
Audi S6 Avant
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
378 g/mi (NEFZ)
CO2 Emissions
513 g/mi (NEFZ)
Practical Convenience
Mercedes CLS Shooting Brake 63 AMG
Audi S6 Avant
5
Doors
5
5
No. of Seats
5
1455 lb
Maximum Payload
1224 lb
15.6 cu ft
Trunk Volume
16 cu ft











43.9 cu ft
Cargo Volume (Seats Down)
47 cu ft