Car comparison

Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8vsMercedes-Benz AMG GT Roadster (R190) C 4.0 V8

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

New comparison

Mercedes-Benz SLS AMG Roadster (R197)

6.2 V8

571 hp6208 ccGasolineRWDDual-clutchNaturally aspiratedRoadster2011-2013
VS

Mercedes-Benz AMG GT Roadster (R190)

C 4.0 V8

558 hp3982 ccGasolineRWDDual-clutchTwin-turboRoadster2017-2021

Comparison overview

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

Best choices

Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8

  • Quickest 0-100 km/h
    3.7 s
  • Highest torque
    680 Nm
    502 lb-ft
  • Lowest combined fuel consumption
    11.4 L/100 km
    20.6 mpg US
    24.8 mpg UK
  • Lowest city consumption
    15.1 L/100 km
    15.6 mpg US
    18.7 mpg UK
  • Lowest highway consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Best overall score
    70/100
  • Best performance score
    90/100
  • Best economy score
    76/100

Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8

  • Fastest top speed
    317 km/h
    197 mph
  • Most powerful
    571 hp
    426 kW
  • Lightest
    1,660 kg
    3,660 lb
  • Best power-to-weight
    344 hp/t
    257 kW/t
    2.9 kg/hp
  • Best estimated range
    644 km
    400 mi
  • Largest trunk
    173 L
  • Best practicality score
    28/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLS AMG Roadster (R197)6.2 V8Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
Power
571hp426kW
558hp416kW
Torque
650Nm479lb-ft
680Nm502lb-ft
Curb weight
1,660kg3,660lb
1,660kg3,660lb
Gross weight
1,960kg4,321lb
1,940kg4,277lb
Top speed
317 km/h
197 mph
316 km/h
196 mph
To 99% top speed
58.0s99% target: 314 km/h / 195 mph
Calculated
58.3s99% target: 313 km/h / 194 mph
Calculated
0-100 km/h
3.8s
3.7s
0-200 km/h
10.9s
Calculated
10.8s
Calculated
0-60 mph
3.6s
Calculated
3.5s
Calculated
Fuel consumption
13.2L/100 km17.8mpg US21.4mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption city
19.9L/100 km11.8mpg US14.2mpg UK
15.1L/100 km15.6mpg US18.7mpg UK
Fuel consumption highway
9.3L/100 km25.3mpg US30.4mpg UK
9L/100 km26.1mpg US31.4mpg UK
Quarter mile
11.5s
Calculated
11.5s
Calculated
Power-to-weight
344hp/t257kW/t156hp/1000 lb
Calculated
336hp/t251kW/t152hp/1000 lb
Calculated
Torque-to-weight
392Nm/t262lb-ft/ton
Calculated
410Nm/t274lb-ft/ton
Calculated
Estimated range
644km400mi
Calculated
570km354mi
Calculated
Displacement
6,208cc379cu in
3,982cc243cu in
Length
4,638mm183in
4,544mm179in
Width
1,939mm76in
1,939mm76in
Height
1,261mm50in
1,259mm50in
Wheelbase
2,680mm106in
2,630mm104in
Front track
1,682mm66in
1,684mm66in
Rear track
1,651mm65in
1,651mm65in
Trunk volume
173L
165L
Doors
2
2
Seats
2
2
Fuel tank
85L
65L
CO2 emissions-
259g/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 SLS AMG Roadster (R197) 6.2 V8Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8PowerTorque
  • Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8: Power / Torque
  • Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSLS AMG Roadster (R197)6.2 V86,800 rpm4,750 rpm7,200 rpm
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V85,750-6,750 rpm1,900-5,750 rpm7,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLS AMG Roadster (R197)6.2 V8Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
3.5 s
0-100 km/h
0-62 mph
3.8 s
3.7 s
0-200 km/h
0-124 mph
10.9 s
10.8 s
Top speed
317 km/h
197 mph
316 km/h
196 mph
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
330 ft
101 m
5.2 s
5.1 s
1/8 mile
201 m
7.6 s
7.6 s
1000 ft
305 m
9.8 s
9.7 s
1/4 mile
402 m
11.5 s
11.5 s
Trap speed
1/4 mile
402 m
206 km/h
128 mph
206 km/h
128 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLS AMG Roadster (R197)6.2 V8
571 hp
426 kW
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
558 hp
416 kW

Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8 has 13 hp more than Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8.

The biggest power difference is between Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8 and Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8: 13 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLS AMG Roadster (R197)6.2 V8
650 Nm
479 lb-ft
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
680 Nm
502 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLS AMG Roadster (R197)6.2 V8
1,660 kg
3,660 lb
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
1,660 kg
3,660 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-BenzSLS AMG Roadster (R197)6.2 V8
317 km/h
197 mph
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
316 km/h
196 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLS AMG Roadster (R197)6.2 V83.8 s
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V83.7 s

Although Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8 has more power, Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8 and Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8: 0.1 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-BenzSLS AMG Roadster (R197)6.2 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8 and Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8: 1.8 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-BenzSLS AMG Roadster (R197)6.2 V8
344 hp/t
257 kW/t
2.9 kg/hp
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
336 hp/t
251 kW/t
3.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLS AMG Roadster (R197)6.2 V8
644 km
400 mi
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
570 km
354 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLS AMG Roadster (R197)6.2 V8
571 hp
426 kW
3.8 s
317 km/h
197 mph
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
558 hp
416 kW
3.7 s
316 km/h
196 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-BenzSLS AMG Roadster (R197)6.2 V8
Power
571 hp
426 kW
0-100 km/h3.8 s
Top speed
317 km/h
197 mph
Doors/seats
2 doors
2 seats
Trunk
173 L
6.1 cu ft
Length
4,638 mm
182.6 in
Height
1,261 mm
49.6 in
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
Power
558 hp
416 kW
0-100 km/h3.7 s
Top speed
316 km/h
196 mph
Doors/seats
2 doors
2 seats
Trunk
165 L
5.8 cu ft
Length
4,544 mm
178.9 in
Height
1,259 mm
49.6 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-BenzSLS AMG Roadster (R197)6.2 V8
Power
571 hp
426 kW
0-100 km/h3.8 s
Top speed
317 km/h
197 mph
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
Power
558 hp
416 kW
0-100 km/h3.7 s
Top speed
316 km/h
196 mph
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Mercedes-Benz AMG GT Roadster (R190) C 4.0 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-BenzSLS AMG Roadster (R197)6.2 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
3.8 s
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
3.7 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-BenzSLS AMG Roadster (R197)6.2 V8
344 hp/t
257 kW/t
2.9 kg/hp
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
336 hp/t
251 kW/t
3.0 kg/hp
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLS AMG Roadster (R197)6.2 V8Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
Power
571 hp
426 kW
558 hp
416 kW
Torque
650 Nm
479 lb-ft
680 Nm
502 lb-ft
Acceleration
3.8 s
3.7 s
Top speed
317 km/h
197 mph
316 km/h
196 mph
Lightness
1,660 kg
3,660 lb
1,660 kg
3,660 lb
Fuel consumption
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
173 L
6.1 cu ft
Length
4,638 mm
182.6 in
Height
1,261 mm
49.6 in
Doors/seats
2 doors
2 seats
Trunk
165 L
5.8 cu ft
Length
4,544 mm
178.9 in
Height
1,259 mm
49.6 in
Range score
644 km
400 mi
570 km
354 mi
CO2 score
-
259 g/km
Trunk score
173 L
6.1 cu ft
165 L
5.8 cu ft
Power-to-weight score
344 hp/t
257 kW/t
2.9 kg/hp
336 hp/t
251 kW/t
3.0 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 SLS AMG Roadster (R197) 6.2 V8Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8
Consumption13.2 L/100 km17.8 mpg US21.4 mpg UK11.4 L/100 km20.6 mpg US24.8 mpg UK
Cost / 100 km23.10 LC100 km19.95 LC100 km
Cost / 100 mi37.18 LC100 mi32.11 LC100 mi
Annual fuel used1,980 L523 US gal436 UK gal1,710 L452 US gal376 UK gal
Annual fuel cost3,465 LC/year2,993 LC/year

Head-to-head comparisons

Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8

  • Has 13 hp more
  • Has 1 km/h (1 mph) higher top speed
  • Has 8 hp/t better power-to-weight
  • Has 74 km (46 mi) more estimated range
  • Has 8 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption

Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8

  • Has 30 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 1.8 L/100 km less fuel

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest torque
  • Lowest combined fuel consumption

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8
Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8
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