Car comparison

Mercedes-Benz CLS Shooting Brake (X218) · Facelift 2014 AMG CLS 63 S V8vsAUDI RS6 Avant (C7) · Facelift 2014 4.0 TFSI V8

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz CLS Shooting Brake (X218) · Facelift 2014

AMG CLS 63 S V8

585 hp5461 ccGasolineAWDAutomaticTwin-turboWagon / estate2014-2018
VS

AUDI RS6 Avant (C7) · Facelift 2014

4.0 TFSI V8

560 hp3993 ccGasolineAWDAutomaticTwin-turboWagon / estate2014-2018

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8

  • Lowest combined fuel consumption
    9.6 L/100 km
    24.5 mpg US
    29.4 mpg UK
  • Lowest city consumption
    13.4 L/100 km
    17.6 mpg US
    21.1 mpg UK
  • Lowest highway consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest CO2 emissions
    223 g/km
  • Best estimated range
    677 km
    421 mi
  • Largest trunk
    565 L
  • Best economy score
    81/100
  • Best practicality score
    87/100

Specification comparison

Specification comparison
ModelMercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
Power
585hp436kW
560hp418kW
Torque
800Nm590lb-ft
700Nm516lb-ft
Curb weight
1,950kg4,299lb
1,950kg4,299lb
Gross weight
2,560kg5,644lb
2,580kg5,688lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
32.3s99% target: 257 km/h / 160 mph
Calculated
37.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.7s
3.9s
0-200 km/h
10.7s
Calculated
11.9s
Calculated
0-60 mph
3.5s
Calculated
3.7s
Calculated
Fuel consumption
10.6L/100 km22.2mpg US26.6mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption city
14.4L/100 km16.3mpg US19.6mpg UK
13.4L/100 km17.6mpg US21.1mpg UK
Fuel consumption highway
8.4L/100 km28mpg US33.6mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Quarter mile
11.4s
Calculated
11.8s
Calculated
Power-to-weight
300hp/t224kW/t136hp/1000 lb
Calculated
287hp/t214kW/t130hp/1000 lb
Calculated
Torque-to-weight
410Nm/t275lb-ft/ton
Calculated
359Nm/t240lb-ft/ton
Calculated
Estimated range
623km387mi
Calculated
677km421mi
Calculated
Displacement
5,461cc333cu in
3,993cc244cu in
Length
4,953mm195in
4,979mm196in
Width
1,881mm74in
1,936mm76in
Height
1,419mm56in
1,461mm58in
Wheelbase
2,874mm113in
2,915mm115in
Front track
1,596mm63in
1,662mm65in
Rear track
1,629mm64in
1,663mm65in
Trunk volume
550L
565L
Max trunk volume
1,550L
1,680L
Doors
5
5
Seats
5
5
Fuel tank
66L
65L
CO2 emissions
248g/km
223g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 S V8AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8PowerTorque
  • Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 S V8: Power / Torque
  • AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V85,500 rpm1,750-5,000 rpm5,750 rpm
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V85,700-6,600 rpm1,750-5,500 rpm6,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
3.7 s
0-100 km/h
0-62 mph
3.7 s
3.9 s
0-200 km/h
0-124 mph
10.7 s
11.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.1 s
5.2 s
1/8 mile
201 m
7.6 s
7.8 s
1000 ft
305 m
9.7 s
9.9 s
1/4 mile
402 m
11.4 s
11.8 s
Trap speed
1/4 mile
402 m
206 km/h
128 mph
199 km/h
124 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
585 hp
436 kW
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
560 hp
418 kW

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 S V8 has 25 hp more than AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8.

The biggest power difference is between AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 S V8: 25 hp (19 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
800 Nm
590 lb-ft
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
700 Nm
516 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
1,950 kg
4,299 lb
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
1,950 kg
4,299 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V83.7 s
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V83.9 s

The biggest 0-100 km/h difference is between Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 S V8 and AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8: 0.2 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

The biggest fuel consumption difference is between AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 S V8: 1.0 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
300 hp/t
224 kW/t
3.3 kg/hp
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
287 hp/t
214 kW/t
3.5 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
623 km
387 mi
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
677 km
421 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
585 hp
436 kW
3.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
560 hp
418 kW
3.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
Power
585 hp
436 kW
0-100 km/h3.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,953 mm
195.0 in
Height
1,419 mm
55.9 in
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
Power
560 hp
418 kW
0-100 km/h3.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,979 mm
196.0 in
Height
1,461 mm
57.5 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
Power
585 hp
436 kW
0-100 km/h3.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
Power
560 hp
418 kW
0-100 km/h3.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
3.7 s
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
3.9 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8
300 hp/t
224 kW/t
3.3 kg/hp
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
287 hp/t
214 kW/t
3.5 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzCLS Shooting Brake (X218)Facelift 2014AMG CLS 63 S V8AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8
Power
585 hp
436 kW
560 hp
418 kW
Torque
800 Nm
590 lb-ft
700 Nm
516 lb-ft
Acceleration
3.7 s
3.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,950 kg
4,299 lb
1,950 kg
4,299 lb
Fuel consumption
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,953 mm
195.0 in
Height
1,419 mm
55.9 in
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,979 mm
196.0 in
Height
1,461 mm
57.5 in
Range score
623 km
387 mi
677 km
421 mi
CO2 score
248 g/km
223 g/km
Trunk score
550 L
19.4 cu ft
565 L
20.0 cu ft
Power-to-weight score
300 hp/t
224 kW/t
3.3 kg/hp
287 hp/t
214 kW/t
3.5 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleMercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 S V8AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8
Consumption10.6 L/100 km22.2 mpg US26.6 mpg UK9.6 L/100 km24.5 mpg US29.4 mpg UK
Cost / 100 km18.55 LC100 km16.80 LC100 km
Cost / 100 mi29.85 LC100 mi27.04 LC100 mi
Annual fuel used1,590 L420 US gal350 UK gal1,440 L380 US gal317 UK gal
Annual fuel cost2,783 LC/year2,520 LC/year

Head-to-head comparisons

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 AMG CLS 63 S V8

  • Has 25 hp more
  • Has 100 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 13 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8

  • Uses 1.0 L/100 km less fuel
  • Has 54 km (34 mi) more estimated range
  • Has 15 L more trunk volume
  • Emits 25 g/km less CO2

Pros

  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz CLS Shooting Brake (X218) AMG CLS 63 S V8
AUDI RS6 Avant (C7) 4.0 TFSI V8
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Mercedes-Benz CLS Shooting Brake (X218) · Facelift 2014 AMG CLS 63 S V8 vs AUDI RS6 Avant (C7) · Facelift 2014 4.0 TFSI V8 - car comparison - FastVsFaster