Car comparison

Mercedes-Benz AMG GT Roadster (R190) S 4.0 V8vsMercedes-Benz SL (R230) · Facelift 2008 AMG SL 63 V8

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

New comparison

Mercedes-Benz AMG GT Roadster (R190)

S 4.0 V8

522 hp3982 ccGasolineRWDDual-clutchTwin-turboRoadster2017-2021
VS

Mercedes-Benz SL (R230) · Facelift 2008

AMG SL 63 V8

525 hp6208 ccGasolineRWDAutomaticNaturally aspiratedRoadster2008-2011

Comparison overview

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

Best choices

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

  • Quickest 0-100 km/h
    3.8 s
  • Fastest top speed
    308 km/h
    191 mph
  • Highest torque
    670 Nm
    494 lb-ft
  • Lightest
    1,625 kg
    3,583 lb
  • Best power-to-weight
    321 hp/t
    240 kW/t
    3.1 kg/hp
  • Lowest combined fuel consumption
    11.5 L/100 km
    20.5 mpg US
    24.6 mpg UK
  • Lowest city consumption
    15.6 L/100 km
    15.1 mpg US
    18.1 mpg UK
  • Lowest highway consumption
    9.1 L/100 km
    25.8 mpg US
    31.0 mpg UK
  • Best overall score
    69/100
  • Best performance score
    89/100
  • Best economy score
    76/100

Specification comparison

Specification comparison
ModelMercedes-BenzAMG GT Roadster (R190)S 4.0 V8Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
Power
522hp389kW
525hp391kW
Torque
670Nm494lb-ft
630Nm465lb-ft
Curb weight
1,625kg3,583lb
1,895kg4,178lb
Gross weight
1,940kg4,277lb
2,225kg4,905lb
Top speed
308 km/h
191 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
58.8s99% target: 305 km/h / 189 mph
Calculated
58.0s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
3.8s
4.6s
0-200 km/h
11.3s
Calculated
15.0s
Calculated
0-60 mph
3.6s
Calculated
4.4s
Calculated
Fuel consumption
11.5L/100 km20.5mpg US24.6mpg UK
14.1L/100 km16.7mpg US20.0mpg UK
Fuel consumption city
15.6L/100 km15.1mpg US18.1mpg UK
21.7L/100 km10.8mpg US13.0mpg UK
Fuel consumption highway
9.1L/100 km25.8mpg US31.0mpg UK
9.7L/100 km24.2mpg US29.1mpg UK
Quarter mile
11.6s
Calculated
12.6s
Calculated
Power-to-weight
321hp/t240kW/t146hp/1000 lb
Calculated
277hp/t207kW/t126hp/1000 lb
Calculated
Torque-to-weight
412Nm/t276lb-ft/ton
Calculated
332Nm/t222lb-ft/ton
Calculated
Estimated range
565km351mi
Calculated
567km353mi
Calculated
Displacement
3,982cc243cu in
6,208cc379cu in
Length
4,551mm179in
4,562mm180in
Width
1,939mm76in
1,820mm72in
Height
1,260mm50in
1,317mm52in
Wheelbase
2,630mm104in
2,560mm101in
Front track
1,678mm66in
1,559mm61in
Rear track-
1,547mm61in
Ground clearance
96mm4in
-
Trunk volume
165L
235L
Max trunk volume-
339L
Doors
2
2
Seats
2
2
Fuel tank
65L
80L
CO2 emissions
262g/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) S 4.0 V8Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8PowerTorque
  • Mercedes-Benz AMG GT Roadster (R190) S 4.0 V8: Power / Torque
  • Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzAMG GT Roadster (R190)S 4.0 V86,250 rpm1,900-5,000 rpm6,500 rpm
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V86,800 rpm5,200 rpm7,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzAMG GT Roadster (R190)S 4.0 V8Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
4.4 s
0-100 km/h
0-62 mph
3.8 s
4.6 s
0-200 km/h
0-124 mph
11.3 s
15.0 s
Top speed
308 km/h
191 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.0 s
2.2 s
330 ft
101 m
5.1 s
5.6 s
1/8 mile
201 m
7.7 s
8.3 s
1000 ft
305 m
9.8 s
10.7 s
1/4 mile
402 m
11.6 s
12.6 s
Trap speed
1/4 mile
402 m
203 km/h
126 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)S 4.0 V8
522 hp
389 kW
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
525 hp
391 kW

Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8 has 3 hp more than Mercedes-Benz AMG GT Roadster (R190) S 4.0 V8.

The biggest power difference is between Mercedes-Benz AMG GT Roadster (R190) S 4.0 V8 and Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8: 3 hp (2 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzAMG GT Roadster (R190)S 4.0 V8
670 Nm
494 lb-ft
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
630 Nm
465 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)S 4.0 V8
1,625 kg
3,583 lb
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
1,895 kg
4,178 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)S 4.0 V8
308 km/h
191 mph
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
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)S 4.0 V83.8 s
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V84.6 s

Although Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8 has more power, Mercedes-Benz AMG GT Roadster (R190) S 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) S 4.0 V8 and Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8: 0.8 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)S 4.0 V8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
14.1 L/100 km
16.7 mpg US
20.0 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz AMG GT Roadster (R190) S 4.0 V8 and Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8: 2.6 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)S 4.0 V8
321 hp/t
240 kW/t
3.1 kg/hp
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
277 hp/t
207 kW/t
3.6 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)S 4.0 V8
565 km
351 mi
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
567 km
353 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzAMG GT Roadster (R190)S 4.0 V8
522 hp
389 kW
3.8 s
308 km/h
191 mph
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
525 hp
391 kW
4.6 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)S 4.0 V8
Power
522 hp
389 kW
0-100 km/h3.8 s
Top speed
308 km/h
191 mph
Doors/seats
2 doors
2 seats
Trunk
165 L
5.8 cu ft
Length
4,551 mm
179.2 in
Height
1,260 mm
49.6 in
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
Power
525 hp
391 kW
0-100 km/h4.6 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)S 4.0 V8
Power
522 hp
389 kW
0-100 km/h3.8 s
Top speed
308 km/h
191 mph
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
Power
525 hp
391 kW
0-100 km/h4.6 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
14.1 L/100 km
16.7 mpg US
20.0 mpg UK

Mercedes-Benz AMG GT Roadster (R190) S 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)S 4.0 V8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
3.8 s
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
4.6 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)S 4.0 V8
321 hp/t
240 kW/t
3.1 kg/hp
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
277 hp/t
207 kW/t
3.6 kg/hp
14.1 L/100 km
16.7 mpg US
20.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzAMG GT Roadster (R190)S 4.0 V8Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
Power
522 hp
389 kW
525 hp
391 kW
Torque
670 Nm
494 lb-ft
630 Nm
465 lb-ft
Acceleration
3.8 s
4.6 s
Top speed
308 km/h
191 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Lightness
1,625 kg
3,583 lb
1,895 kg
4,178 lb
Fuel consumption
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
165 L
5.8 cu ft
Length
4,551 mm
179.2 in
Height
1,260 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
565 km
351 mi
567 km
353 mi
CO2 score
262 g/km
-
Trunk score
165 L
5.8 cu ft
235 L
8.3 cu ft
Power-to-weight score
321 hp/t
240 kW/t
3.1 kg/hp
277 hp/t
207 kW/t
3.6 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) S 4.0 V8Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8
Consumption11.5 L/100 km20.5 mpg US24.6 mpg UK14.1 L/100 km16.7 mpg US20 mpg UK
Cost / 100 km20.13 LC100 km24.68 LC100 km
Cost / 100 mi32.39 LC100 mi39.71 LC100 mi
Annual fuel used1,725 L456 US gal379 UK gal2,115 L559 US gal465 UK gal
Annual fuel cost3,019 LC/year3,701 LC/year

Head-to-head comparisons

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

  • Has 40 Nm more
  • Is 270 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 38 km/h (24 mph) higher top speed
  • Uses 2.6 L/100 km less fuel
  • Has 44 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Smallest trunk

Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8

  • Has 3 hp more
  • Has 2 km (1 mi) more estimated range
  • Has 70 L more trunk volume

Pros

  • Most powerful
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz AMG GT Roadster (R190) S 4.0 V8
Mercedes-Benz SL (R230) AMG SL 63 V8
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