Car comparison

Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8vsMercedes-Benz SL (R232) AMG SL 55 V8

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 (R232)

AMG SL 55 V8

476 hp3982 ccGasolineAWDAutomaticTwin-turboRoadster2021-present

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
  • Fastest top speed
    316 km/h
    196 mph
  • Most powerful
    558 hp
    416 kW
  • Lightest
    1,660 kg
    3,660 lb
  • Best power-to-weight
    336 hp/t
    251 kW/t
    3.0 kg/hp
  • Lowest combined fuel consumption
    11.4 L/100 km
    20.6 mpg US
    24.8 mpg UK
  • Best estimated range
    570 km
    354 mi
  • Best performance score
    90/100
  • Best economy score
    76/100

Specification comparison

Specification comparison
ModelMercedes-BenzAMG GT Roadster (R190)C 4.0 V8Mercedes-BenzSL (R232)AMG SL 55 V8
Power
558hp416kW
476hp355kW
Torque
680Nm502lb-ft
700Nm516lb-ft
Curb weight
1,660kg3,660lb
1,875kg4,134lb
Gross weight
1,940kg4,277lb
-
Top speed
316 km/h
196 mph
295 km/h
183 mph
To 99% top speed
58.3s99% target: 313 km/h / 194 mph
Calculated
59.4s99% target: 292 km/h / 181 mph
Calculated
0-100 km/h
3.7s
3.9s
0-200 km/h
10.8s
Calculated
12.2s
Calculated
0-60 mph
3.5s
Calculated
3.7s
Calculated
Fuel consumption
11.4L/100 km20.6mpg US24.8mpg UK
12.7L/100 km18.5mpg US22.2mpg UK
Fuel consumption city
15.1L/100 km15.6mpg US18.7mpg UK
-
Fuel consumption highway
9L/100 km26.1mpg US31.4mpg UK
-
Quarter mile
11.5s
Calculated
11.8s
Calculated
Power-to-weight
336hp/t251kW/t152hp/1000 lb
Calculated
254hp/t189kW/t115hp/1000 lb
Calculated
Torque-to-weight
410Nm/t274lb-ft/ton
Calculated
373Nm/t250lb-ft/ton
Calculated
Estimated range
570km354mi
Calculated
551km342mi
Calculated
Displacement
3,982cc243cu in
3,982cc243cu in
Length
4,544mm179in
4,705mm185in
Width
1,939mm76in
1,915mm75in
Height
1,259mm50in
1,359mm54in
Wheelbase
2,630mm104in
2,700mm106in
Front track
1,684mm66in
1,665mm66in
Rear track
1,651mm65in
1,629mm64in
Trunk volume
165L
213L
Max trunk volume-
240L
Doors
2
2
Seats
2
4
Fuel tank
65L
70L
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 AMG GT Roadster (R190) C 4.0 V8Mercedes-Benz SL (R232) AMG SL 55 V8PowerTorque
  • Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8: Power / Torque
  • Mercedes-Benz SL (R232) AMG SL 55 V8: 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 (R232)AMG SL 55 V85,500-6,500 rpm2,250-4,500 rpm6,750 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 (R232)AMG SL 55 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
10.8 s
12.2 s
Top speed
316 km/h
196 mph
295 km/h
183 mph
Drag race simulation
60 ft
18 m
2.0 s
2.0 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
10.0 s
1/4 mile
402 m
11.5 s
11.8 s
Trap speed
1/4 mile
402 m
206 km/h
128 mph
197 km/h
122 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 (R232)AMG SL 55 V8
476 hp
355 kW

Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8 has 82 hp more than Mercedes-Benz SL (R232) AMG SL 55 V8.

The biggest power difference is between Mercedes-Benz SL (R232) AMG SL 55 V8 and Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8: 82 hp (61 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 (R232)AMG SL 55 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-BenzAMG GT Roadster (R190)C 4.0 V8
1,660 kg
3,660 lb
Mercedes-BenzSL (R232)AMG SL 55 V8
1,875 kg
4,134 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 (R232)AMG SL 55 V8
295 km/h
183 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 (R232)AMG SL 55 V83.9 s

The biggest 0-100 km/h difference is between Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8 and Mercedes-Benz SL (R232) AMG SL 55 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-BenzAMG GT Roadster (R190)C 4.0 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Mercedes-BenzSL (R232)AMG SL 55 V8
12.7 L/100 km
18.5 mpg US
22.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz AMG GT Roadster (R190) C 4.0 V8 and Mercedes-Benz SL (R232) AMG SL 55 V8: 1.3 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 (R232)AMG SL 55 V8
254 hp/t
189 kW/t
3.9 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 (R232)AMG SL 55 V8
551 km
342 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 (R232)AMG SL 55 V8
476 hp
355 kW
3.9 s
295 km/h
183 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 (R232)AMG SL 55 V8
Power
476 hp
355 kW
0-100 km/h3.9 s
Top speed
295 km/h
183 mph
Doors/seats
2 doors
4 seats
Trunk
213 L
7.5 cu ft
Length
4,705 mm
185.2 in
Height
1,359 mm
53.5 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-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 (R232)AMG SL 55 V8
Power
476 hp
355 kW
0-100 km/h3.9 s
Top speed
295 km/h
183 mph
12.7 L/100 km
18.5 mpg US
22.2 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-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 (R232)AMG SL 55 V8
12.7 L/100 km
18.5 mpg US
22.2 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-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 (R232)AMG SL 55 V8
254 hp/t
189 kW/t
3.9 kg/hp
12.7 L/100 km
18.5 mpg US
22.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzAMG GT Roadster (R190)C 4.0 V8Mercedes-BenzSL (R232)AMG SL 55 V8
Power
558 hp
416 kW
476 hp
355 kW
Torque
680 Nm
502 lb-ft
700 Nm
516 lb-ft
Acceleration
3.7 s
3.9 s
Top speed
316 km/h
196 mph
295 km/h
183 mph
Lightness
1,660 kg
3,660 lb
1,875 kg
4,134 lb
Fuel consumption
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
12.7 L/100 km
18.5 mpg US
22.2 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
4 seats
Trunk
213 L
7.5 cu ft
Length
4,705 mm
185.2 in
Height
1,359 mm
53.5 in
Range score
570 km
354 mi
551 km
342 mi
CO2 score
259 g/km
-
Trunk score
165 L
5.8 cu ft
213 L
7.5 cu ft
Power-to-weight score
336 hp/t
251 kW/t
3.0 kg/hp
254 hp/t
189 kW/t
3.9 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 (R232) AMG SL 55 V8
Consumption11.4 L/100 km20.6 mpg US24.8 mpg UK12.7 L/100 km18.5 mpg US22.2 mpg UK
Cost / 100 km19.95 LC100 km22.22 LC100 km
Cost / 100 mi32.11 LC100 mi35.77 LC100 mi
Annual fuel used1,710 L452 US gal376 UK gal1,905 L503 US gal419 UK gal
Annual fuel cost2,993 LC/year3,334 LC/year

Head-to-head comparisons

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

  • Has 82 hp more
  • Is 215 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 21 km/h (13 mph) higher top speed
  • Uses 1.3 L/100 km less fuel
  • Has 82 hp/t better power-to-weight
  • Has 19 km (12 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Smallest trunk

Mercedes-Benz SL (R232) AMG SL 55 V8

  • Has 20 Nm more
  • Has 48 L more trunk volume

Pros

  • Highest torque
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • 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 (R232) AMG SL 55 V8
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