Car comparison

Mercedes-Benz AMG GT Roadster (R190) 4.0 V8vsMercedes-Benz SL (R230) · Facelift 2008 SL 600 V12

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

New comparison

Mercedes-Benz AMG GT Roadster (R190)

4.0 V8

476 hp3982 ccGasolineRWDDual-clutchTwin-turboRoadster2017-2021
VS

Mercedes-Benz SL (R230) · Facelift 2008

SL 600 V12

517 hp5513 ccGasolineRWDAutomaticTwin-turboRoadster2008-2011

Comparison overview

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

Best choices

Mercedes-Benz AMG GT Roadster (R190) 4.0 V8

  • Quickest 0-100 km/h
    4.0 s
  • Fastest top speed
    302 km/h
    188 mph
  • Lightest
    1,595 kg
    3,516 lb
  • Best power-to-weight
    298 hp/t
    223 kW/t
    3.4 kg/hp
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    12.2 L/100 km
    19.3 mpg US
    23.2 mpg UK
  • Lowest highway consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Best estimated range
    691 km
    430 mi
  • Best overall score
    67/100
  • Best performance score
    86/100
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelMercedes-BenzAMG GT Roadster (R190)4.0 V8Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
Power
476hp355kW
517hp386kW
Torque
630Nm465lb-ft
830Nm612lb-ft
Curb weight
1,595kg3,516lb
1,970kg4,343lb
Gross weight
1,940kg4,277lb
2,320kg5,115lb
Top speed
302 km/h
188 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
61.8s99% target: 299 km/h / 186 mph
Calculated
58.2s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
4.0s
4.5s
0-200 km/h
12.2s
Calculated
14.8s
Calculated
0-60 mph
3.8s
Calculated
4.3s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
13.9L/100 km16.9mpg US20.3mpg UK
Fuel consumption city
12.2L/100 km19.3mpg US23.2mpg UK
21.1L/100 km11.1mpg US13.4mpg UK
Fuel consumption highway
7.8L/100 km30.2mpg US36.2mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Quarter mile
11.9s
Calculated
12.5s
Calculated
Power-to-weight
298hp/t223kW/t135hp/1000 lb
Calculated
262hp/t196kW/t119hp/1000 lb
Calculated
Torque-to-weight
395Nm/t264lb-ft/ton
Calculated
421Nm/t282lb-ft/ton
Calculated
Estimated range
691km430mi
Calculated
576km358mi
Calculated
Displacement
3,982cc243cu in
5,513cc336cu in
Length
4,544mm179in
4,562mm180in
Width
1,939mm76in
1,820mm72in
Height
1,259mm50in
1,317mm52in
Wheelbase
2,630mm104in
2,560mm101in
Front track
1,684mm66in
1,559mm61in
Rear track
1,651mm65in
1,547mm61in
Trunk volume
165L
235L
Max trunk volume-
339L
Doors
2
2
Seats
2
2
Fuel tank
65L
80L
CO2 emissions
219g/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) 4.0 V8Mercedes-Benz SL (R230) Facelift 2008 SL 600 V12PowerTorque
  • Mercedes-Benz AMG GT Roadster (R190) 4.0 V8: Power / Torque
  • Mercedes-Benz SL (R230) Facelift 2008 SL 600 V12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzAMG GT Roadster (R190)4.0 V86,000 rpm1,700-5,000 rpm6,250 rpm
Mercedes-BenzSL (R230)Facelift 2008SL 600 V125,000 rpm1,900-3,500 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzAMG GT Roadster (R190)4.0 V8Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
4.3 s
0-100 km/h
0-62 mph
4.0 s
4.5 s
0-200 km/h
0-124 mph
12.2 s
14.8 s
Top speed
302 km/h
188 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.2 s
5.5 s
1/8 mile
201 m
7.8 s
8.2 s
1000 ft
305 m
10.0 s
10.6 s
1/4 mile
402 m
11.9 s
12.5 s
Trap speed
1/4 mile
402 m
197 km/h
123 mph
185 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT Roadster (R190)4.0 V8
476 hp
355 kW
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
517 hp
386 kW

Mercedes-Benz SL (R230) Facelift 2008 SL 600 V12 has 41 hp more than Mercedes-Benz AMG GT Roadster (R190) 4.0 V8.

The biggest power difference is between Mercedes-Benz AMG GT Roadster (R190) 4.0 V8 and Mercedes-Benz SL (R230) Facelift 2008 SL 600 V12: 41 hp (31 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT Roadster (R190)4.0 V8
630 Nm
465 lb-ft
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
830 Nm
612 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)4.0 V8
1,595 kg
3,516 lb
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
1,970 kg
4,343 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)4.0 V8
302 km/h
188 mph
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
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)4.0 V84.0 s
Mercedes-BenzSL (R230)Facelift 2008SL 600 V124.5 s

Although Mercedes-Benz SL (R230) Facelift 2008 SL 600 V12 has more power, Mercedes-Benz AMG GT Roadster (R190) 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) 4.0 V8 and Mercedes-Benz SL (R230) Facelift 2008 SL 600 V12: 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)4.0 V8
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz AMG GT Roadster (R190) 4.0 V8 and Mercedes-Benz SL (R230) Facelift 2008 SL 600 V12: 4.5 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)4.0 V8
298 hp/t
223 kW/t
3.4 kg/hp
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
262 hp/t
196 kW/t
3.8 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)4.0 V8
691 km
430 mi
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
576 km
358 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzAMG GT Roadster (R190)4.0 V8
476 hp
355 kW
4.0 s
302 km/h
188 mph
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
517 hp
386 kW
4.5 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)4.0 V8
Power
476 hp
355 kW
0-100 km/h4.0 s
Top speed
302 km/h
188 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 (R230)Facelift 2008SL 600 V12
Power
517 hp
386 kW
0-100 km/h4.5 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
235 L
8.3 cu ft
Length
4,562 mm
179.6 in
Height
1,317 mm
51.9 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)4.0 V8
Power
476 hp
355 kW
0-100 km/h4.0 s
Top speed
302 km/h
188 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
Power
517 hp
386 kW
0-100 km/h4.5 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

Mercedes-Benz AMG GT Roadster (R190) 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)4.0 V8
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
4.0 s
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
13.9 L/100 km
16.9 mpg US
20.3 mpg UK
4.5 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)4.0 V8
298 hp/t
223 kW/t
3.4 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
262 hp/t
196 kW/t
3.8 kg/hp
13.9 L/100 km
16.9 mpg US
20.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzAMG GT Roadster (R190)4.0 V8Mercedes-BenzSL (R230)Facelift 2008SL 600 V12
Power
476 hp
355 kW
517 hp
386 kW
Torque
630 Nm
465 lb-ft
830 Nm
612 lb-ft
Acceleration
4.0 s
4.5 s
Top speed
302 km/h
188 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Lightness
1,595 kg
3,516 lb
1,970 kg
4,343 lb
Fuel consumption
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
13.9 L/100 km
16.9 mpg US
20.3 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
235 L
8.3 cu ft
Length
4,562 mm
179.6 in
Height
1,317 mm
51.9 in
Range score
691 km
430 mi
576 km
358 mi
CO2 score
219 g/km
-
Trunk score
165 L
5.8 cu ft
235 L
8.3 cu ft
Power-to-weight score
298 hp/t
223 kW/t
3.4 kg/hp
262 hp/t
196 kW/t
3.8 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) 4.0 V8Mercedes-Benz SL (R230) Facelift 2008 SL 600 V12
Consumption9.4 L/100 km25 mpg US30.1 mpg UK13.9 L/100 km16.9 mpg US20.3 mpg UK
Cost / 100 km16.45 LC100 km24.33 LC100 km
Cost / 100 mi26.47 LC100 mi39.15 LC100 mi
Annual fuel used1,410 L372 US gal310 UK gal2,085 L551 US gal459 UK gal
Annual fuel cost2,468 LC/year3,649 LC/year

Head-to-head comparisons

Mercedes-Benz AMG GT Roadster (R190) 4.0 V8

  • Is 375 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 32 km/h (20 mph) higher top speed
  • Uses 4.5 L/100 km less fuel
  • Has 36 hp/t better power-to-weight
  • Has 116 km (72 mi) more estimated range

Pros

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

Cons

  • Lowest power
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz AMG GT Roadster (R190) 4.0 V8
Mercedes-Benz SL (R230) SL 600 V12
Compare selected cars
2 vehicles selected

Popular comparisons

4.0 V8
4.0 V8
VS
Mercedes-BenzAMG GT Roadster (R190)4.0 V8vsMercedes-BenzAMG GT (C190)Facelift 20174.0 V8
SL 600 V12
SL 600 V12
VS
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12vsMercedes-BenzSL (R230)Facelift 2006SL 600 V12
4.0 V8
4.0 V8
VS
Mercedes-BenzAMG GT Roadster (R190)4.0 V8vsMercedes-BenzAMG GT (C190)4.0 V8
SL 600 V12
AMG SL 63
VS
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12vsMercedes-BenzSL (R231)AMG SL 63
4.0 V8
55 V8
VS
Mercedes-BenzAMG GT Roadster (R190)4.0 V8vsMercedes-BenzAMG GT (C192)55 V8
SL 600 V12
SL 600 V12
VS
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12vsMercedes-BenzSL (R230)SL 600 V12
4.0 V8
AMG SL 55 V8
VS
Mercedes-BenzAMG GT Roadster (R190)4.0 V8vsMercedes-BenzSL (R232)AMG SL 55 V8
SL 600 V12
AMG SL 73 V12
VS
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12vsMercedes-BenzSL (R129)Facelift 1998AMG SL 73 V12
4.0 V8
SL 500 V8
VS
Mercedes-BenzAMG GT Roadster (R190)4.0 V8vsMercedes-BenzSL (R231)Facelift 2016SL 500 V8
4.0 V8
Grand sport 6.2 V8
VS
Mercedes-BenzAMG GT Roadster (R190)4.0 V8vsChevroletCorvette Convertible (C7)Grand sport 6.2 V8
SL 600 V12
SL 600 V12
VS
Mercedes-BenzSL (R230)Facelift 2008SL 600 V12vsMercedes-BenzSL (R129)Facelift 1995SL 600 V12
4.0 V8
AMG SLK 55 V8
VS
Mercedes-BenzAMG GT Roadster (R190)4.0 V8vsMercedes-BenzSLK (R172)AMG SLK 55 V8
Mercedes-Benz AMG GT Roadster (R190) 4.0 V8 vs Mercedes-Benz SL (R230) · Facelift 2008 SL 600 V12 - car comparison - FastVsFaster