Car comparison

Mercedes-Benz SLK (R171) · Facelift 2008 SLK 350 V6vsWiesmann Roadster MF3 3.0i 24V

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

New comparison

Mercedes-Benz SLK (R171) · Facelift 2008

SLK 350 V6

305 hp3498 ccGasolineRWDManualNaturally aspiratedRoadster2008-2011
VS

Wiesmann Roadster MF3

3.0i 24V

231 hp2979 ccGasolineRWDManualNaturally aspiratedRoadster2005-2014

Comparison overview

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

Best choices

Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6

  • Quickest 0-100 km/h
    5.4 s
  • Fastest top speed
    270 km/h
    168 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    305 hp
    227 kW
  • Highest torque
    360 Nm
    266 lb-ft
  • Lowest combined fuel consumption
    9.7 L/100 km
    24.2 mpg US
    29.1 mpg UK
  • Best estimated range
    722 km
    448 mi
  • Best overall score
    55/100
  • Best performance score
    67/100
  • Best economy score
    81/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6WiesmannRoadster MF33.0i 24V
Power
305hp227kW
231hp172kW
Torque
360Nm266lb-ft
300Nm221lb-ft
Curb weight
1,430kg3,153lb
1,080kg2,381lb
Gross weight
1,800kg3,968lb
1,400kg3,086lb
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
250 km/h155 mph
Restricted
230 km/h143 mph
Calculated
To 99% top speed
70.5s99% target: 267 km/h / 166 mph
Calculated
64.2s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
5.4s
5.9s
0-200 km/h
17.9s
Calculated
20.5s
Calculated
0-60 mph
5.1s
Calculated
5.6s
Calculated
Fuel consumption
9.7L/100 km24.2mpg US29.1mpg UK
10L/100 km23.5mpg US28.2mpg UK
Fuel consumption city
14.5L/100 km16.2mpg US19.5mpg UK
-
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
-
Quarter mile
13.4s
Calculated
14.0s
Calculated
Power-to-weight
213hp/t159kW/t97hp/1000 lb
Calculated
214hp/t159kW/t97hp/1000 lb
Calculated
Torque-to-weight
252Nm/t168lb-ft/ton
Calculated
278Nm/t186lb-ft/ton
Calculated
Estimated range
722km448mi
Calculated
600km373mi
Calculated
Displacement
3,498cc213cu in
2,979cc182cu in
Length
4,107mm162in
3,860mm152in
Width
1,788mm70in
1,750mm69in
Height
1,298mm51in
1,160mm46in
Wheelbase
2,430mm96in
2,290mm90in
Front track
1,526mm60in
1,450mm57in
Rear track
1,549mm61in
1,520mm60in
Trunk volume
208L
-
Doors
2
2
Seats
2
2
Fuel tank
70L
60L

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 SLK (R171) Facelift 2008 SLK 350 V6Wiesmann Roadster MF3 3.0i 24VPowerTorque
  • Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6: Power / Torque
  • Wiesmann Roadster MF3 3.0i 24V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V66,500 rpm4,900 rpm6,750 rpm
WiesmannRoadster MF33.0i 24V5,900 rpm3,500 rpm6,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6WiesmannRoadster MF33.0i 24V
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.6 s
0-100 km/h
0-62 mph
5.4 s
5.9 s
0-200 km/h
0-124 mph
17.9 s
20.5 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
250 km/h155 mph
Restricted
230 km/h143 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
5.9 s
6.2 s
1/8 mile
201 m
8.9 s
9.2 s
1000 ft
305 m
11.4 s
11.8 s
1/4 mile
402 m
13.4 s
14.0 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
169 km/h
105 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6
305 hp
227 kW
WiesmannRoadster MF33.0i 24V
231 hp
172 kW

Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 has 74 hp more than Wiesmann Roadster MF3 3.0i 24V.

The biggest power difference is between Wiesmann Roadster MF3 3.0i 24V and Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6: 74 hp (55 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6
360 Nm
266 lb-ft
WiesmannRoadster MF33.0i 24V
300 Nm
221 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6
1,430 kg
3,153 lb
WiesmannRoadster MF33.0i 24V
1,080 kg
2,381 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-BenzSLK (R171)Facelift 2008SLK 350 V6
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
WiesmannRoadster MF33.0i 24V
Unrestricted
250 km/h155 mph
Restricted
230 km/h143 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V65.4 s
WiesmannRoadster MF33.0i 24V5.9 s

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 and Wiesmann Roadster MF3 3.0i 24V: 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-BenzSLK (R171)Facelift 2008SLK 350 V6
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
WiesmannRoadster MF33.0i 24V
10.0 L/100 km
23.5 mpg US
28.2 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-BenzSLK (R171)Facelift 2008SLK 350 V6
213 hp/t
159 kW/t
4.7 kg/hp
WiesmannRoadster MF33.0i 24V
214 hp/t
159 kW/t
4.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6
722 km
448 mi
WiesmannRoadster MF33.0i 24V
600 km
373 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6
305 hp
227 kW
5.4 s
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
WiesmannRoadster MF33.0i 24V
231 hp
172 kW
5.9 s
Unrestricted
250 km/h155 mph
Restricted
230 km/h143 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-BenzSLK (R171)Facelift 2008SLK 350 V6
Power
305 hp
227 kW
0-100 km/h5.4 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
208 L
7.3 cu ft
Length
4,107 mm
161.7 in
Height
1,298 mm
51.1 in
WiesmannRoadster MF33.0i 24V
Power
231 hp
172 kW
0-100 km/h5.9 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
230 km/h143 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
3,860 mm
152.0 in
Height
1,160 mm
45.7 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-BenzSLK (R171)Facelift 2008SLK 350 V6
Power
305 hp
227 kW
0-100 km/h5.4 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
WiesmannRoadster MF33.0i 24V
Power
231 hp
172 kW
0-100 km/h5.9 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
230 km/h143 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 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-BenzSLK (R171)Facelift 2008SLK 350 V6
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
5.4 s
WiesmannRoadster MF33.0i 24V
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
5.9 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-BenzSLK (R171)Facelift 2008SLK 350 V6
213 hp/t
159 kW/t
4.7 kg/hp
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
WiesmannRoadster MF33.0i 24V
214 hp/t
159 kW/t
4.7 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6WiesmannRoadster MF33.0i 24V
Power
305 hp
227 kW
231 hp
172 kW
Torque
360 Nm
266 lb-ft
300 Nm
221 lb-ft
Acceleration
5.4 s
5.9 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Unrestricted
250 km/h155 mph
Restricted
230 km/h143 mph
Lightness
1,430 kg
3,153 lb
1,080 kg
2,381 lb
Fuel consumption
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
208 L
7.3 cu ft
Length
4,107 mm
161.7 in
Height
1,298 mm
51.1 in
Doors/seats
2 doors
2 seats
Trunk-
Length
3,860 mm
152.0 in
Height
1,160 mm
45.7 in
Range score
722 km
448 mi
600 km
373 mi
Trunk score
208 L
7.3 cu ft
-
Power-to-weight score
213 hp/t
159 kW/t
4.7 kg/hp
214 hp/t
159 kW/t
4.7 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 SLK (R171) Facelift 2008 SLK 350 V6Wiesmann Roadster MF3 3.0i 24V
Consumption9.7 L/100 km24.2 mpg US29.1 mpg UK10 L/100 km23.5 mpg US28.2 mpg UK
Cost / 100 km16.97 LC100 km17.50 LC100 km
Cost / 100 mi27.32 LC100 mi28.16 LC100 mi
Annual fuel used1,455 L384 US gal320 UK gal1,500 L396 US gal330 UK gal
Annual fuel cost2,546 LC/year2,625 LC/year

Head-to-head comparisons

Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6

  • Has 74 hp more
  • Has 60 Nm more
  • Is 0.5 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Uses 0.3 L/100 km less fuel
  • Has 122 km (76 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Heaviest

Wiesmann Roadster MF3 3.0i 24V

  • Is 350 kg lighter
  • Has 1 hp/t better power-to-weight

Pros

  • Lightest
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz SLK (R171) SLK 350 V6
Wiesmann Roadster MF3 3.0i 24V
Compare selected cars
2 vehicles selected

Popular comparisons

SLK 350 V6
SLK 350 V6
VS
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6vsMercedes-BenzSLK (R172)SLK 350 V6
3.0i 24V
30i
VS
WiesmannRoadster MF33.0i 24VvsBMWZ4 (E89)30i
SLK 350 V6
SLK 350 V6
VS
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6vsMercedes-BenzSLK (R171)SLK 350 V6
3.0i 24V
2.9
VS
WiesmannRoadster MF33.0i 24VvsPorscheBoxster (987)Facelift 20092.9
SLK 350 V6
AMG SLK 32 V6
VS
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6vsMercedes-BenzSLK (R170)Facelift 2000AMG SLK 32 V6
3.0i 24V
3.2i V6 24V
VS
WiesmannRoadster MF33.0i 24VvsAUDITT Roadster (8J)3.2i V6 24V
SLK 350 V6
SLK 230 Kompressor
VS
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6vsMercedes-BenzSLK (R170)SLK 230 Kompressor
3.0i 24V
2.0 TFSI
VS
WiesmannRoadster MF33.0i 24VvsAUDITTS Roadster (8J)2.0 TFSI
3.0i 24V
2.0 TFSI
VS
WiesmannRoadster MF33.0i 24VvsAUDITT Roadster (8J)Facelift 20102.0 TFSI
3.0i 24V
3.0i
VS
WiesmannRoadster MF33.0i 24VvsBMWZ4 (E85)3.0i
SLK 350 V6
3.7 V6
VS
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6vsNissan370Z Roadster3.7 V6
3.0i 24V
S Cup 1.8
VS
WiesmannRoadster MF33.0i 24VvsLotusElise (SERIES 3)S Cup 1.8
Mercedes-Benz SLK (R171) · Facelift 2008 SLK 350 V6 vs Wiesmann Roadster MF3 3.0i 24V - car comparison - FastVsFaster