Car comparison

Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8vsWiesmann Roadster MF5 4.4 V8

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

New comparison

Mercedes-Benz SLS AMG Roadster (R197)

6.2 V8

571 hp6208 ccGasolineRWDDual-clutchNaturally aspiratedRoadster2011-2013
VS

Wiesmann Roadster MF5

4.4 V8

555 hp4395 ccGasolineRWDAutomaticTwin-turboRoadster2009-2014

Comparison overview

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

Best choices

Wiesmann Roadster MF5 4.4 V8

  • Highest torque
    680 Nm
    502 lb-ft
  • Lightest
    1,470 kg
    3,241 lb
  • Best power-to-weight
    378 hp/t
    282 kW/t
    2.6 kg/hp
  • Lowest combined fuel consumption
    12.9 L/100 km
    18.2 mpg US
    21.9 mpg UK
  • Lowest city consumption
    18.7 L/100 km
    12.6 mpg US
    15.1 mpg UK
  • Best overall score
    72/100
  • Best performance score
    91/100
  • Best economy score
    72/100
  • Best practicality score
    31/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLS AMG Roadster (R197)6.2 V8WiesmannRoadster MF54.4 V8
Power
571hp426kW
555hp414kW
Torque
650Nm479lb-ft
680Nm502lb-ft
Curb weight
1,660kg3,660lb
1,470kg3,241lb
Gross weight
1,960kg4,321lb
-
Top speed
317 km/h
197 mph
311 km/h
193 mph
To 99% top speed
58.0s99% target: 314 km/h / 195 mph
Calculated
51.1s99% target: 308 km/h / 191 mph
Calculated
0-100 km/h
3.8s
3.9s
0-200 km/h
10.9s
Calculated
10.8s
Calculated
0-60 mph
3.6s
Calculated
3.7s
Calculated
Fuel consumption
13.2L/100 km17.8mpg US21.4mpg UK
12.9L/100 km18.2mpg US21.9mpg UK
Fuel consumption city
19.9L/100 km11.8mpg US14.2mpg UK
18.7L/100 km12.6mpg US15.1mpg UK
Fuel consumption highway
9.3L/100 km25.3mpg US30.4mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Quarter mile
11.5s
Calculated
11.6s
Calculated
Power-to-weight
344hp/t257kW/t156hp/1000 lb
Calculated
378hp/t282kW/t171hp/1000 lb
Calculated
Torque-to-weight
392Nm/t262lb-ft/ton
Calculated
463Nm/t310lb-ft/ton
Calculated
Estimated range
644km400mi
Calculated
543km337mi
Calculated
Displacement
6,208cc379cu in
4,395cc268cu in
Length
4,638mm183in
4,220mm166in
Width
1,939mm76in
1,950mm77in
Height
1,261mm50in
1,180mm46in
Wheelbase
2,680mm106in
2,507mm99in
Front track
1,682mm66in
-
Rear track
1,651mm65in
-
Trunk volume
173L
-
Doors
2
2
Seats
2
2
Fuel tank
85L
70L
CO2 emissions-
299g/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 SLS AMG Roadster (R197) 6.2 V8Wiesmann Roadster MF5 4.4 V8PowerTorque
  • Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8: Power / Torque
  • Wiesmann Roadster MF5 4.4 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSLS AMG Roadster (R197)6.2 V86,800 rpm4,750 rpm7,200 rpm
WiesmannRoadster MF54.4 V85,750-6,250 rpm1,500-5,650 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLS AMG Roadster (R197)6.2 V8WiesmannRoadster MF54.4 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
3.7 s
0-100 km/h
0-62 mph
3.8 s
3.9 s
0-200 km/h
0-124 mph
10.9 s
10.8 s
Top speed
317 km/h
197 mph
311 km/h
193 mph
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.2 s
5.2 s
1/8 mile
201 m
7.6 s
7.7 s
1000 ft
305 m
9.8 s
9.8 s
1/4 mile
402 m
11.5 s
11.6 s
Trap speed
1/4 mile
402 m
206 km/h
128 mph
208 km/h
129 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLS AMG Roadster (R197)6.2 V8
571 hp
426 kW
WiesmannRoadster MF54.4 V8
555 hp
414 kW

Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8 has 16 hp more than Wiesmann Roadster MF5 4.4 V8.

The biggest power difference is between Wiesmann Roadster MF5 4.4 V8 and Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8: 16 hp (12 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLS AMG Roadster (R197)6.2 V8
650 Nm
479 lb-ft
WiesmannRoadster MF54.4 V8
680 Nm
502 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)6.2 V8
1,660 kg
3,660 lb
WiesmannRoadster MF54.4 V8
1,470 kg
3,241 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)6.2 V8
317 km/h
197 mph
WiesmannRoadster MF54.4 V8
311 km/h
193 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)6.2 V83.8 s
WiesmannRoadster MF54.4 V83.9 s

The biggest 0-100 km/h difference is between Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8 and Wiesmann Roadster MF5 4.4 V8: 0.1 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)6.2 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
WiesmannRoadster MF54.4 V8
12.9 L/100 km
18.2 mpg US
21.9 mpg UK

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)6.2 V8
344 hp/t
257 kW/t
2.9 kg/hp
WiesmannRoadster MF54.4 V8
378 hp/t
282 kW/t
2.6 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)6.2 V8
644 km
400 mi
WiesmannRoadster MF54.4 V8
543 km
337 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLS AMG Roadster (R197)6.2 V8
571 hp
426 kW
3.8 s
317 km/h
197 mph
WiesmannRoadster MF54.4 V8
555 hp
414 kW
3.9 s
311 km/h
193 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)6.2 V8
Power
571 hp
426 kW
0-100 km/h3.8 s
Top speed
317 km/h
197 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
WiesmannRoadster MF54.4 V8
Power
555 hp
414 kW
0-100 km/h3.9 s
Top speed
311 km/h
193 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,220 mm
166.1 in
Height
1,180 mm
46.5 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-BenzSLS AMG Roadster (R197)6.2 V8
Power
571 hp
426 kW
0-100 km/h3.8 s
Top speed
317 km/h
197 mph
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
WiesmannRoadster MF54.4 V8
Power
555 hp
414 kW
0-100 km/h3.9 s
Top speed
311 km/h
193 mph
12.9 L/100 km
18.2 mpg US
21.9 mpg UK

Wiesmann Roadster MF5 4.4 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)6.2 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
3.8 s
WiesmannRoadster MF54.4 V8
12.9 L/100 km
18.2 mpg US
21.9 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-BenzSLS AMG Roadster (R197)6.2 V8
344 hp/t
257 kW/t
2.9 kg/hp
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
WiesmannRoadster MF54.4 V8
378 hp/t
282 kW/t
2.6 kg/hp
12.9 L/100 km
18.2 mpg US
21.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLS AMG Roadster (R197)6.2 V8WiesmannRoadster MF54.4 V8
Power
571 hp
426 kW
555 hp
414 kW
Torque
650 Nm
479 lb-ft
680 Nm
502 lb-ft
Acceleration
3.8 s
3.9 s
Top speed
317 km/h
197 mph
311 km/h
193 mph
Lightness
1,660 kg
3,660 lb
1,470 kg
3,241 lb
Fuel consumption
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
12.9 L/100 km
18.2 mpg US
21.9 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-
Length
4,220 mm
166.1 in
Height
1,180 mm
46.5 in
Range score
644 km
400 mi
543 km
337 mi
CO2 score
-
299 g/km
Trunk score
173 L
6.1 cu ft
-
Power-to-weight score
344 hp/t
257 kW/t
2.9 kg/hp
378 hp/t
282 kW/t
2.6 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 SLS AMG Roadster (R197) 6.2 V8Wiesmann Roadster MF5 4.4 V8
Consumption13.2 L/100 km17.8 mpg US21.4 mpg UK12.9 L/100 km18.2 mpg US21.9 mpg UK
Cost / 100 km23.10 LC100 km22.58 LC100 km
Cost / 100 mi37.18 LC100 mi36.33 LC100 mi
Annual fuel used1,980 L523 US gal436 UK gal1,935 L511 US gal426 UK gal
Annual fuel cost3,465 LC/year3,386 LC/year

Head-to-head comparisons

Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8

  • Has 16 hp more
  • Is 0.1 s quicker from 0-100 km/h
  • Has 6 km/h (4 mph) higher top speed
  • Has 101 km (63 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Best estimated range

Cons

  • Highest combined fuel consumption
  • Heaviest

Wiesmann Roadster MF5 4.4 V8

  • Has 30 Nm more
  • Is 190 kg lighter
  • Uses 0.3 L/100 km less fuel
  • Has 34 hp/t better power-to-weight

Pros

  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8
Wiesmann Roadster MF5 4.4 V8
Compare selected cars
2 vehicles selected

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Mercedes-Benz SLS AMG Roadster (R197) 6.2 V8 vs Wiesmann Roadster MF5 4.4 V8 - car comparison - FastVsFaster