Car comparison

Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8vsMercedes-Benz SL (R230) · Facelift 2006 AMG SL 65 V12

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

New comparison

Mercedes-Benz SLS AMG Roadster (R197)

GT 6.2 V8

591 hp6208 ccGasolineRWDDual-clutchNaturally aspiratedRoadster2012-2013
VS

Mercedes-Benz SL (R230) · Facelift 2006

AMG SL 65 V12

612 hp5980 ccGasolineRWDAutomaticTwin-turboRoadster2006-2008

Comparison overview

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

Best choices

Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8

  • Quickest 0-100 km/h
    3.7 s
  • Fastest top speed
    330 km/h
    205 mph Unrestricted
    320 km/h
    199 mph Restricted
  • Lightest
    1,660 kg
    3,660 lb
  • Best power-to-weight
    356 hp/t
    265 kW/t
    2.8 kg/hp
  • Lowest combined fuel consumption
    13.2 L/100 km
    17.8 mpg US
    21.4 mpg UK
  • Lowest city consumption
    19.9 L/100 km
    11.8 mpg US
    14.2 mpg UK
  • Lowest highway consumption
    9.3 L/100 km
    25.3 mpg US
    30.4 mpg UK
  • Best estimated range
    644 km
    400 mi
  • Best overall score
    70/100
  • Best performance score
    90/100
  • Best economy score
    71/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
Power
591hp441kW
612hp456kW
Torque
650Nm479lb-ft
1,000Nm738lb-ft
Curb weight
1,660kg3,660lb
2,045kg4,508lb
Gross weight
1,960kg4,321lb
2,385kg5,258lb
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Calculated
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
58.6s99% target: 327 km/h / 203 mph
Calculated
51.1s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
3.7s
4.2s
0-200 km/h
10.4s
Calculated
13.5s
Calculated
0-60 mph
3.5s
Calculated
4.0s
Calculated
Fuel consumption
13.2L/100 km17.8mpg US21.4mpg UK
15.1L/100 km15.6mpg US18.7mpg UK
Fuel consumption city
19.9L/100 km11.8mpg US14.2mpg UK
23.4L/100 km10.1mpg US12.1mpg UK
Fuel consumption highway
9.3L/100 km25.3mpg US30.4mpg UK
10.4L/100 km22.6mpg US27.2mpg UK
Quarter mile
11.4s
Calculated
12.2s
Calculated
Power-to-weight
356hp/t265kW/t161hp/1000 lb
Calculated
299hp/t223kW/t136hp/1000 lb
Calculated
Torque-to-weight
392Nm/t262lb-ft/ton
Calculated
489Nm/t327lb-ft/ton
Calculated
Estimated range
644km400mi
Calculated
530km329mi
Calculated
Displacement
6,208cc379cu in
5,980cc365cu in
Length
4,638mm183in
4,532mm178in
Width
1,939mm76in
1,827mm72in
Height
1,261mm50in
1,298mm51in
Wheelbase
2,680mm106in
2,560mm101in
Front track
1,682mm66in
1,559mm61in
Rear track
1,651mm65in
1,537mm61in
Trunk volume
173L
235L
Max trunk volume-
339L
Doors
2
2
Seats
2
2
Fuel tank
85L
80L

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) GT 6.2 V8Mercedes-Benz SL (R230) Facelift 2006 AMG SL 65 V12PowerTorque
  • Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8: Power / Torque
  • Mercedes-Benz SL (R230) Facelift 2006 AMG SL 65 V12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V86,800 rpm4,750 rpm7,200 rpm
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V124,800-5,100 rpm2,000-4,000 rpm5,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
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
10.4 s
13.5 s
0-200 mph
0-322 km/h
46.3 s
-
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Likely limited
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
5.1 s
5.4 s
1/8 mile
201 m
7.6 s
8.0 s
1000 ft
305 m
9.6 s
10.3 s
1/4 mile
402 m
11.4 s
12.2 s
Trap speed
1/4 mile
402 m
211 km/h
131 mph
191 km/h
119 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
591 hp
441 kW
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
612 hp
456 kW

Mercedes-Benz SL (R230) Facelift 2006 AMG SL 65 V12 has 21 hp more than Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8.

The biggest power difference is between Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8 and Mercedes-Benz SL (R230) Facelift 2006 AMG SL 65 V12: 21 hp (16 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
650 Nm
479 lb-ft
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
1,000 Nm
738 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)GT 6.2 V8
1,660 kg
3,660 lb
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
2,045 kg
4,508 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)GT 6.2 V8
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 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-BenzSLS AMG Roadster (R197)GT 6.2 V83.7 s
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V124.2 s

Although Mercedes-Benz SL (R230) Facelift 2006 AMG SL 65 V12 has more power, Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8 and Mercedes-Benz SL (R230) Facelift 2006 AMG SL 65 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-BenzSLS AMG Roadster (R197)GT 6.2 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
15.1 L/100 km
15.6 mpg US
18.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8 and Mercedes-Benz SL (R230) Facelift 2006 AMG SL 65 V12: 1.9 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)GT 6.2 V8
356 hp/t
265 kW/t
2.8 kg/hp
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
299 hp/t
223 kW/t
3.3 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)GT 6.2 V8
644 km
400 mi
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
530 km
329 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
591 hp
441 kW
3.7 s
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
612 hp
456 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-BenzSLS AMG Roadster (R197)GT 6.2 V8
Power
591 hp
441 kW
0-100 km/h3.7 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 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-BenzSL (R230)Facelift 2006AMG SL 65 V12
Power
612 hp
456 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
235 L
8.3 cu ft
Length
4,532 mm
178.4 in
Height
1,298 mm
51.1 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)GT 6.2 V8
Power
591 hp
441 kW
0-100 km/h3.7 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
Power
612 hp
456 kW
0-100 km/h4.2 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
15.1 L/100 km
15.6 mpg US
18.7 mpg UK

Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 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)GT 6.2 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
3.7 s
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
15.1 L/100 km
15.6 mpg US
18.7 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-BenzSLS AMG Roadster (R197)GT 6.2 V8
356 hp/t
265 kW/t
2.8 kg/hp
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
299 hp/t
223 kW/t
3.3 kg/hp
15.1 L/100 km
15.6 mpg US
18.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8Mercedes-BenzSL (R230)Facelift 2006AMG SL 65 V12
Power
591 hp
441 kW
612 hp
456 kW
Torque
650 Nm
479 lb-ft
1,000 Nm
738 lb-ft
Acceleration
3.7 s
4.2 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Lightness
1,660 kg
3,660 lb
2,045 kg
4,508 lb
Fuel consumption
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
15.1 L/100 km
15.6 mpg US
18.7 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
235 L
8.3 cu ft
Length
4,532 mm
178.4 in
Height
1,298 mm
51.1 in
Range score
644 km
400 mi
530 km
329 mi
Trunk score
173 L
6.1 cu ft
235 L
8.3 cu ft
Power-to-weight score
356 hp/t
265 kW/t
2.8 kg/hp
299 hp/t
223 kW/t
3.3 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) GT 6.2 V8Mercedes-Benz SL (R230) Facelift 2006 AMG SL 65 V12
Consumption13.2 L/100 km17.8 mpg US21.4 mpg UK15.1 L/100 km15.6 mpg US18.7 mpg UK
Cost / 100 km23.10 LC100 km26.43 LC100 km
Cost / 100 mi37.18 LC100 mi42.53 LC100 mi
Annual fuel used1,980 L523 US gal436 UK gal2,265 L598 US gal498 UK gal
Annual fuel cost3,465 LC/year3,964 LC/year

Head-to-head comparisons

Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8

  • Is 385 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 60 km/h (37 mph) higher top speed
  • Uses 1.9 L/100 km less fuel
  • Has 57 hp/t better power-to-weight
  • Has 114 km (71 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 SLS AMG Roadster (R197) GT 6.2 V8
Mercedes-Benz SL (R230) AMG SL 65 V12
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2 vehicles selected

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