Car comparison

Wiesmann Roadster MF5 4.4 V8vsMercedes-Benz SL (R231) AMG SL 63

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

New comparison

Wiesmann Roadster MF5

4.4 V8

555 hp4395 ccGasolineRWDAutomaticTwin-turboRoadster2009-2014
VS

Mercedes-Benz SL (R231)

AMG SL 63

537 hp5461 ccGasolineRWDTwin-turboRoadster2012-2015

Comparison overview

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

Best choices

Wiesmann Roadster MF5 4.4 V8

  • Quickest 0-100 km/h
    3.9 s
  • Fastest top speed
    311 km/h
    193 mph
  • Most powerful
    555 hp
    414 kW
  • Lightest
    1,470 kg
    3,241 lb
  • Best power-to-weight
    378 hp/t
    282 kW/t
    2.6 kg/hp
  • Best overall score
    72/100
  • Best performance score
    91/100
  • Best practicality score
    31/100

Mercedes-Benz SL (R231) AMG SL 63

  • Highest torque
    800 Nm
    590 lb-ft
  • Lowest combined fuel consumption
    9.9 L/100 km
    23.8 mpg US
    28.5 mpg UK
  • Lowest city consumption
    13.9 L/100 km
    16.9 mpg US
    20.3 mpg UK
  • Lowest highway consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Lowest CO2 emissions
    231 g/km
  • Best estimated range
    758 km
    471 mi
  • Best economy score
    80/100

Specification comparison

Specification comparison
ModelWiesmannRoadster MF54.4 V8Mercedes-BenzSL (R231)AMG SL 63
Power
555hp414kW
537hp400kW
Torque
680Nm502lb-ft
800Nm590lb-ft
Curb weight
1,470kg3,241lb
1,845kg4,068lb
Gross weight-
2,180kg4,806lb
Top speed
311 km/h
193 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
51.1s99% target: 308 km/h / 191 mph
Calculated
53.7s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
3.9s
4.3s
0-200 km/h
10.8s
Calculated
14.0s
Calculated
0-60 mph
3.7s
Calculated
4.1s
Calculated
Fuel consumption
12.9L/100 km18.2mpg US21.9mpg UK
9.9L/100 km23.8mpg US28.5mpg UK
Fuel consumption city
18.7L/100 km12.6mpg US15.1mpg UK
13.9L/100 km16.9mpg US20.3mpg UK
Fuel consumption highway
9.5L/100 km24.8mpg US29.7mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Quarter mile
11.6s
Calculated
12.3s
Calculated
Power-to-weight
378hp/t282kW/t171hp/1000 lb
Calculated
291hp/t217kW/t132hp/1000 lb
Calculated
Torque-to-weight
463Nm/t310lb-ft/ton
Calculated
434Nm/t290lb-ft/ton
Calculated
Estimated range
543km337mi
Calculated
758km471mi
Calculated
Displacement
4,395cc268cu in
5,461cc333cu in
Length
4,220mm166in
4,617mm182in
Width
1,950mm77in
1,877mm74in
Height
1,180mm46in
1,315mm52in
Wheelbase
2,507mm99in
2,585mm102in
Front track-
1,600mm63in
Rear track-
1,604mm63in
Trunk volume-
241L
Max trunk volume-
381L
Doors
2
2
Seats
2
2
Fuel tank
70L
75L
CO2 emissions
299g/km
231g/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.

Wiesmann Roadster MF5 4.4 V8Mercedes-Benz SL (R231) AMG SL 63PowerTorque
  • Wiesmann Roadster MF5 4.4 V8: Power / Torque
  • Mercedes-Benz SL (R231) AMG SL 63: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
WiesmannRoadster MF54.4 V85,750-6,250 rpm1,500-5,650 rpm6,500 rpm
Mercedes-BenzSL (R231)AMG SL 635,500 rpm2,000-4,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricWiesmannRoadster MF54.4 V8Mercedes-BenzSL (R231)AMG SL 63
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
4.1 s
0-100 km/h
0-62 mph
3.9 s
4.3 s
0-200 km/h
0-124 mph
10.8 s
14.0 s
Top speed
311 km/h
193 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.2 s
5.4 s
1/8 mile
201 m
7.7 s
8.1 s
1000 ft
305 m
9.8 s
10.4 s
1/4 mile
402 m
11.6 s
12.3 s
Trap speed
1/4 mile
402 m
208 km/h
129 mph
189 km/h
117 mph

Power comparison

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

Chart data table
VehicleValue
WiesmannRoadster MF54.4 V8
555 hp
414 kW
Mercedes-BenzSL (R231)AMG SL 63
537 hp
400 kW

Wiesmann Roadster MF5 4.4 V8 has 18 hp more than Mercedes-Benz SL (R231) AMG SL 63.

The biggest power difference is between Mercedes-Benz SL (R231) AMG SL 63 and Wiesmann Roadster MF5 4.4 V8: 18 hp (13 kW).

Torque comparison

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

Chart data table
VehicleValue
WiesmannRoadster MF54.4 V8
680 Nm
502 lb-ft
Mercedes-BenzSL (R231)AMG SL 63
800 Nm
590 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
WiesmannRoadster MF54.4 V8
1,470 kg
3,241 lb
Mercedes-BenzSL (R231)AMG SL 63
1,845 kg
4,068 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
WiesmannRoadster MF54.4 V8
311 km/h
193 mph
Mercedes-BenzSL (R231)AMG SL 63
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
WiesmannRoadster MF54.4 V83.9 s
Mercedes-BenzSL (R231)AMG SL 634.3 s

The biggest 0-100 km/h difference is between Wiesmann Roadster MF5 4.4 V8 and Mercedes-Benz SL (R231) AMG SL 63: 0.4 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
WiesmannRoadster MF54.4 V8
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
Mercedes-BenzSL (R231)AMG SL 63
9.9 L/100 km
23.8 mpg US
28.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SL (R231) AMG SL 63 and Wiesmann Roadster MF5 4.4 V8: 3.0 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
WiesmannRoadster MF54.4 V8
378 hp/t
282 kW/t
2.6 kg/hp
Mercedes-BenzSL (R231)AMG SL 63
291 hp/t
217 kW/t
3.4 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
WiesmannRoadster MF54.4 V8
543 km
337 mi
Mercedes-BenzSL (R231)AMG SL 63
758 km
471 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
WiesmannRoadster MF54.4 V8
555 hp
414 kW
3.9 s
311 km/h
193 mph
Mercedes-BenzSL (R231)AMG SL 63
537 hp
400 kW
4.3 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
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
Mercedes-BenzSL (R231)AMG SL 63
Power
537 hp
400 kW
0-100 km/h4.3 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
241 L
8.5 cu ft
Length
4,617 mm
181.8 in
Height
1,315 mm
51.8 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
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
Mercedes-BenzSL (R231)AMG SL 63
Power
537 hp
400 kW
0-100 km/h4.3 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
9.9 L/100 km
23.8 mpg US
28.5 mpg UK

Mercedes-Benz SL (R231) AMG SL 63 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
WiesmannRoadster MF54.4 V8
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
3.9 s
Mercedes-BenzSL (R231)AMG SL 63
9.9 L/100 km
23.8 mpg US
28.5 mpg UK
4.3 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
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
Mercedes-BenzSL (R231)AMG SL 63
291 hp/t
217 kW/t
3.4 kg/hp
9.9 L/100 km
23.8 mpg US
28.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleWiesmannRoadster MF54.4 V8Mercedes-BenzSL (R231)AMG SL 63
Power
555 hp
414 kW
537 hp
400 kW
Torque
680 Nm
502 lb-ft
800 Nm
590 lb-ft
Acceleration
3.9 s
4.3 s
Top speed
311 km/h
193 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Lightness
1,470 kg
3,241 lb
1,845 kg
4,068 lb
Fuel consumption
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
9.9 L/100 km
23.8 mpg US
28.5 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,220 mm
166.1 in
Height
1,180 mm
46.5 in
Doors/seats
2 doors
2 seats
Trunk
241 L
8.5 cu ft
Length
4,617 mm
181.8 in
Height
1,315 mm
51.8 in
Range score
543 km
337 mi
758 km
471 mi
CO2 score
299 g/km
231 g/km
Trunk score
-
241 L
8.5 cu ft
Power-to-weight score
378 hp/t
282 kW/t
2.6 kg/hp
291 hp/t
217 kW/t
3.4 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
VehicleWiesmann Roadster MF5 4.4 V8Mercedes-Benz SL (R231) AMG SL 63
Consumption12.9 L/100 km18.2 mpg US21.9 mpg UK9.9 L/100 km23.8 mpg US28.5 mpg UK
Cost / 100 km22.58 LC100 km17.33 LC100 km
Cost / 100 mi36.33 LC100 mi27.88 LC100 mi
Annual fuel used1,935 L511 US gal426 UK gal1,485 L392 US gal327 UK gal
Annual fuel cost3,386 LC/year2,599 LC/year

Head-to-head comparisons

Wiesmann Roadster MF5 4.4 V8

  • Has 18 hp more
  • Is 375 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 41 km/h (25 mph) higher top speed
  • Has 86 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

Mercedes-Benz SL (R231) AMG SL 63

  • Has 120 Nm more
  • Uses 3.0 L/100 km less fuel
  • Has 215 km (134 mi) more estimated range
  • Emits 68 g/km less CO2

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Wiesmann Roadster MF5 4.4 V8
Mercedes-Benz SL (R231) AMG SL 63
Compare selected cars
2 vehicles selected

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