Car comparison

Wiesmann Roadster MF5 4.4 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

Wiesmann Roadster MF5

4.4 V8

555 hp4395 ccGasolineRWDAutomaticTwin-turboRoadster2009-2014
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

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
  • 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
  • Lowest highway consumption
    9.5 L/100 km
    24.8 mpg US
    29.7 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
ModelWiesmannRoadster MF54.4 V8Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
Power
555hp414kW
525hp391kW
Torque
680Nm502lb-ft
630Nm465lb-ft
Curb weight
1,470kg3,241lb
1,895kg4,178lb
Gross weight-
2,225kg4,905lb
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
58.0s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
3.9s
4.6s
0-200 km/h
10.8s
Calculated
15.0s
Calculated
0-60 mph
3.7s
Calculated
4.4s
Calculated
Fuel consumption
12.9L/100 km18.2mpg US21.9mpg UK
14.1L/100 km16.7mpg US20.0mpg UK
Fuel consumption city
18.7L/100 km12.6mpg US15.1mpg UK
21.7L/100 km10.8mpg US13.0mpg UK
Fuel consumption highway
9.5L/100 km24.8mpg US29.7mpg UK
9.7L/100 km24.2mpg US29.1mpg UK
Quarter mile
11.6s
Calculated
12.6s
Calculated
Power-to-weight
378hp/t282kW/t171hp/1000 lb
Calculated
277hp/t207kW/t126hp/1000 lb
Calculated
Torque-to-weight
463Nm/t310lb-ft/ton
Calculated
332Nm/t222lb-ft/ton
Calculated
Estimated range
543km337mi
Calculated
567km353mi
Calculated
Displacement
4,395cc268cu in
6,208cc379cu in
Length
4,220mm166in
4,562mm180in
Width
1,950mm77in
1,820mm72in
Height
1,180mm46in
1,317mm52in
Wheelbase
2,507mm99in
2,560mm101in
Front track-
1,559mm61in
Rear track-
1,547mm61in
Trunk volume-
235L
Max trunk volume-
339L
Doors
2
2
Seats
2
2
Fuel tank
70L
80L
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.

Wiesmann Roadster MF5 4.4 V8Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8PowerTorque
  • Wiesmann Roadster MF5 4.4 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
WiesmannRoadster MF54.4 V85,750-6,250 rpm1,500-5,650 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
MetricWiesmannRoadster MF54.4 V8Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
4.4 s
0-100 km/h
0-62 mph
3.9 s
4.6 s
0-200 km/h
0-124 mph
10.8 s
15.0 s
Top speed
311 km/h
193 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.2 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
208 km/h
129 mph
185 km/h
115 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 (R230)Facelift 2008AMG SL 63 V8
525 hp
391 kW

Wiesmann Roadster MF5 4.4 V8 has 30 hp more than Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8.

The biggest power difference is between Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8 and Wiesmann Roadster MF5 4.4 V8: 30 hp (22 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 (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
WiesmannRoadster MF54.4 V8
1,470 kg
3,241 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
WiesmannRoadster MF54.4 V8
311 km/h
193 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
WiesmannRoadster MF54.4 V83.9 s
Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V84.6 s

The biggest 0-100 km/h difference is between Wiesmann Roadster MF5 4.4 V8 and Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8: 0.7 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 (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 Wiesmann Roadster MF5 4.4 V8 and Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8: 1.2 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 (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
WiesmannRoadster MF54.4 V8
543 km
337 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
WiesmannRoadster MF54.4 V8
555 hp
414 kW
3.9 s
311 km/h
193 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
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 (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
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 (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

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
WiesmannRoadster MF54.4 V8
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
3.9 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
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 (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
VehicleWiesmannRoadster MF54.4 V8Mercedes-BenzSL (R230)Facelift 2008AMG SL 63 V8
Power
555 hp
414 kW
525 hp
391 kW
Torque
680 Nm
502 lb-ft
630 Nm
465 lb-ft
Acceleration
3.9 s
4.6 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
1,895 kg
4,178 lb
Fuel consumption
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
14.1 L/100 km
16.7 mpg US
20.0 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
235 L
8.3 cu ft
Length
4,562 mm
179.6 in
Height
1,317 mm
51.9 in
Range score
543 km
337 mi
567 km
353 mi
CO2 score
299 g/km
-
Trunk score
-
235 L
8.3 cu ft
Power-to-weight score
378 hp/t
282 kW/t
2.6 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
VehicleWiesmann Roadster MF5 4.4 V8Mercedes-Benz SL (R230) Facelift 2008 AMG SL 63 V8
Consumption12.9 L/100 km18.2 mpg US21.9 mpg UK14.1 L/100 km16.7 mpg US20 mpg UK
Cost / 100 km22.58 LC100 km24.68 LC100 km
Cost / 100 mi36.33 LC100 mi39.71 LC100 mi
Annual fuel used1,935 L511 US gal426 UK gal2,115 L559 US gal465 UK gal
Annual fuel cost3,386 LC/year3,701 LC/year

Head-to-head comparisons

Wiesmann Roadster MF5 4.4 V8

  • Has 30 hp more
  • Has 50 Nm more
  • Is 425 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 41 km/h (25 mph) higher top speed
  • Uses 1.2 L/100 km less fuel
  • Has 101 hp/t better power-to-weight

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Wiesmann Roadster MF5 4.4 V8
Mercedes-Benz SL (R230) AMG SL 63 V8
Compare selected cars
2 vehicles selected

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