Car comparison

Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8vsMercedes-Benz SL (R231) AMG SL 63

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

New comparison

Mercedes-Benz AMG GT Roadster (R190)

C 4.0 V8

558 hp3982 ccGasolineRWDDual-clutchTwin-turboRoadster2017-2021
VS

Mercedes-Benz SL (R231)

AMG SL 63

585 hp5461 ccGasolineRWDAutomaticTwin-turboRoadster2014-2015

Comparison overview

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

Best choices

Mercedes-Benz SL (R231) AMG SL 63

  • Most powerful
    585 hp
    436 kW
  • Highest torque
    900 Nm
    664 lb-ft
  • Lowest combined fuel consumption
    9.9 L/100 km
    23.8 mpg US
    28.5 mpg UK
  • Lowest city consumption
    13.9 L/100 km
    16.9 mpg US
    20.3 mpg UK
  • Lowest highway consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Lowest CO2 emissions
    231 g/km
  • Best estimated range
    758 km
    471 mi
  • Largest trunk
    241 L
  • Best economy score
    80/100
  • Best practicality score
    31/100

Specification comparison

Specification comparison
ModelMercedes-BenzAMG GT Roadster (R190)C 4.0 V8Mercedes-BenzSL (R231)AMG SL 63
Power
558hp416kW
585hp436kW
Torque
680Nm502lb-ft
900Nm664lb-ft
Curb weight
1,660kg3,660lb
1,845kg4,068lb
Gross weight
1,940kg4,277lb
2,180kg4,806lb
Top speed
316 km/h
196 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
58.3s99% target: 313 km/h / 194 mph
Calculated
50.9s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
3.7s
4.2s
0-200 km/h
10.8s
Calculated
13.4s
Calculated
0-60 mph
3.5s
Calculated
4.0s
Calculated
Fuel consumption
11.4L/100 km20.6mpg US24.8mpg UK
9.9L/100 km23.8mpg US28.5mpg UK
Fuel consumption city
15.1L/100 km15.6mpg US18.7mpg UK
13.9L/100 km16.9mpg US20.3mpg UK
Fuel consumption highway
9L/100 km26.1mpg US31.4mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Quarter mile
11.5s
Calculated
12.2s
Calculated
Power-to-weight
336hp/t251kW/t152hp/1000 lb
Calculated
317hp/t236kW/t144hp/1000 lb
Calculated
Torque-to-weight
410Nm/t274lb-ft/ton
Calculated
488Nm/t326lb-ft/ton
Calculated
Estimated range
570km354mi
Calculated
758km471mi
Calculated
Displacement
3,982cc243cu in
5,461cc333cu in
Length
4,544mm179in
4,617mm182in
Width
1,939mm76in
1,877mm74in
Height
1,259mm50in
1,315mm52in
Wheelbase
2,630mm104in
2,585mm102in
Front track
1,684mm66in
1,600mm63in
Rear track
1,651mm65in
1,604mm63in
Ground clearance-
96mm4in
Trunk volume
165L
241L
Max trunk volume-
381L
Doors
2
2
Seats
2
2
Fuel tank
65L
75L
CO2 emissions
259g/km
231g/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 AMG GT Roadster (R190) C 4.0 V8Mercedes-Benz SL (R231) AMG SL 63PowerTorque
  • Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8: Power / Torque
  • Mercedes-Benz SL (R231) AMG SL 63: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V85,750-6,750 rpm1,900-5,750 rpm7,000 rpm
Mercedes-BenzSL (R231)AMG SL 635,500 rpm2,250-3,750 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzAMG GT Roadster (R190)C 4.0 V8Mercedes-BenzSL (R231)AMG SL 63
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
4.0 s
0-100 km/h
0-62 mph
3.7 s
4.2 s
0-200 km/h
0-124 mph
10.8 s
13.4 s
Top speed
316 km/h
196 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.1 s
5.4 s
1/8 mile
201 m
7.6 s
8.0 s
1000 ft
305 m
9.7 s
10.3 s
1/4 mile
402 m
11.5 s
12.2 s
Trap speed
1/4 mile
402 m
206 km/h
128 mph
191 km/h
119 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
558 hp
416 kW
Mercedes-BenzSL (R231)AMG SL 63
585 hp
436 kW

Mercedes-Benz SL (R231) AMG SL 63 has 27 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 SL (R231) AMG SL 63: 27 hp (20 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
680 Nm
502 lb-ft
Mercedes-BenzSL (R231)AMG SL 63
900 Nm
664 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
1,660 kg
3,660 lb
Mercedes-BenzSL (R231)AMG SL 63
1,845 kg
4,068 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-BenzAMG GT Roadster (R190)C 4.0 V8
316 km/h
196 mph
Mercedes-BenzSL (R231)AMG SL 63
Unrestricted
270 km/h168 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-BenzAMG GT Roadster (R190)C 4.0 V83.7 s
Mercedes-BenzSL (R231)AMG SL 634.2 s

Although Mercedes-Benz SL (R231) AMG SL 63 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 SL (R231) AMG SL 63: 0.5 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-BenzAMG GT Roadster (R190)C 4.0 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Mercedes-BenzSL (R231)AMG SL 63
9.9 L/100 km
23.8 mpg US
28.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SL (R231) AMG SL 63 and Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8: 1.5 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-BenzAMG GT Roadster (R190)C 4.0 V8
336 hp/t
251 kW/t
3.0 kg/hp
Mercedes-BenzSL (R231)AMG SL 63
317 hp/t
236 kW/t
3.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
570 km
354 mi
Mercedes-BenzSL (R231)AMG SL 63
758 km
471 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzAMG GT Roadster (R190)C 4.0 V8
558 hp
416 kW
3.7 s
316 km/h
196 mph
Mercedes-BenzSL (R231)AMG SL 63
585 hp
436 kW
4.2 s
Unrestricted
270 km/h168 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-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
Mercedes-BenzSL (R231)AMG SL 63
Power
585 hp
436 kW
0-100 km/h4.2 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
241 L
8.5 cu ft
Length
4,617 mm
181.8 in
Height
1,315 mm
51.8 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-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-BenzSL (R231)AMG SL 63
Power
585 hp
436 kW
0-100 km/h4.2 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
9.9 L/100 km
23.8 mpg US
28.5 mpg UK

Mercedes-Benz SL (R231) AMG SL 63 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-BenzAMG GT Roadster (R190)C 4.0 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
3.7 s
Mercedes-BenzSL (R231)AMG SL 63
9.9 L/100 km
23.8 mpg US
28.5 mpg UK
4.2 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-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
Mercedes-BenzSL (R231)AMG SL 63
317 hp/t
236 kW/t
3.2 kg/hp
9.9 L/100 km
23.8 mpg US
28.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzAMG GT Roadster (R190)C 4.0 V8Mercedes-BenzSL (R231)AMG SL 63
Power
558 hp
416 kW
585 hp
436 kW
Torque
680 Nm
502 lb-ft
900 Nm
664 lb-ft
Acceleration
3.7 s
4.2 s
Top speed
316 km/h
196 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Lightness
1,660 kg
3,660 lb
1,845 kg
4,068 lb
Fuel consumption
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
9.9 L/100 km
23.8 mpg US
28.5 mpg UK
Practicality
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
Doors/seats
2 doors
2 seats
Trunk
241 L
8.5 cu ft
Length
4,617 mm
181.8 in
Height
1,315 mm
51.8 in
Range score
570 km
354 mi
758 km
471 mi
CO2 score
259 g/km
231 g/km
Trunk score
165 L
5.8 cu ft
241 L
8.5 cu ft
Power-to-weight score
336 hp/t
251 kW/t
3.0 kg/hp
317 hp/t
236 kW/t
3.2 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 AMG GT Roadster (R190) C 4.0 V8Mercedes-Benz SL (R231) AMG SL 63
Consumption11.4 L/100 km20.6 mpg US24.8 mpg UK9.9 L/100 km23.8 mpg US28.5 mpg UK
Cost / 100 km19.95 LC100 km17.33 LC100 km
Cost / 100 mi32.11 LC100 mi27.88 LC100 mi
Annual fuel used1,710 L452 US gal376 UK gal1,485 L392 US gal327 UK gal
Annual fuel cost2,993 LC/year2,599 LC/year

Head-to-head comparisons

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

  • Is 185 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 46 km/h (29 mph) higher top speed
  • Has 19 hp/t better power-to-weight

Pros

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

Cons

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

Mercedes-Benz SL (R231) AMG SL 63

  • Has 27 hp more
  • Has 220 Nm more
  • Uses 1.5 L/100 km less fuel
  • Has 187 km (116 mi) more estimated range
  • Has 76 L more trunk volume
  • Emits 28 g/km less CO2

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8
Mercedes-Benz SL (R231) AMG SL 63
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2 vehicles selected

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