Car comparison

Mercedes-Benz SLK (R171) · Facelift 2008 SLK 350 V6vsMercedes-Benz SLK (R171) SLK 350 V6

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

Mercedes-Benz SLK (R171)

SLK 350 V6

272 hp3498 ccGasolineRWDAutomaticNaturally aspiratedRoadster2004-2007

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 Manual

  • 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
  • Best power-to-weight
    213 hp/t
    159 kW/t
    4.7 kg/hp
  • Lowest combined fuel consumption
    9.7 L/100 km
    24.2 mpg US
    29.1 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Best estimated range
    722 km
    448 mi
  • Largest trunk
    208 L
  • Best overall score
    55/100
  • Best performance score
    67/100
  • Best economy score
    81/100
  • Best practicality score
    29/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6ManualMercedes-BenzSLK (R171)SLK 350 V6Automatic
Power
305hp227kW
272hp203kW
Torque
360Nm266lb-ft
350Nm258lb-ft
Curb weight
1,430kg3,153lb
1,390kg3,064lb
Gross weight
1,800kg3,968lb
1,780kg3,924lb
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
70.5s99% target: 267 km/h / 166 mph
Calculated
69.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.4s
5.5s
0-200 km/h
17.9s
Calculated
19.1s
Calculated
0-60 mph
5.1s
Calculated
5.2s
Calculated
Fuel consumption
9.7L/100 km24.2mpg US29.1mpg UK
10.1L/100 km23.3mpg US28.0mpg UK
Fuel consumption city
14.5L/100 km16.2mpg US19.5mpg UK
14.2L/100 km16.6mpg US19.9mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
13.4s
Calculated
13.6s
Calculated
Power-to-weight
213hp/t159kW/t97hp/1000 lb
Calculated
196hp/t146kW/t89hp/1000 lb
Calculated
Torque-to-weight
252Nm/t168lb-ft/ton
Calculated
252Nm/t168lb-ft/ton
Calculated
Estimated range
722km448mi
Calculated
693km431mi
Calculated
Displacement
3,498cc213cu in
3,498cc213cu in
Length
4,107mm162in
4,089mm161in
Width
1,788mm70in
1,788mm70in
Height
1,298mm51in
1,298mm51in
Wheelbase
2,430mm96in
2,430mm96in
Front track
1,526mm60in
1,526mm60in
Rear track
1,549mm61in
1,549mm61in
Trunk volume
208L
208L
Doors
2
2
Seats
2
2
Fuel tank
70L
70L

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 V6 ManualMercedes-Benz SLK (R171) SLK 350 V6 AutomaticPowerTorque
  • Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 Manual: Power / Torque
  • Mercedes-Benz SLK (R171) SLK 350 V6 Automatic: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6Manual6,500 rpm4,900 rpm6,750 rpm
Mercedes-BenzSLK (R171)SLK 350 V6Automatic6,000 rpm2,400-5,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6ManualMercedes-BenzSLK (R171)SLK 350 V6Automatic
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.2 s
0-100 km/h
0-62 mph
5.4 s
5.5 s
0-200 km/h
0-124 mph
17.9 s
19.1 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
5.9 s
6.0 s
1/8 mile
201 m
8.9 s
8.9 s
1000 ft
305 m
11.4 s
11.5 s
1/4 mile
402 m
13.4 s
13.6 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6Manual
305 hp
227 kW
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
272 hp
203 kW

Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 Manual has 33 hp more than Mercedes-Benz SLK (R171) SLK 350 V6 Automatic.

The biggest power difference is between Mercedes-Benz SLK (R171) SLK 350 V6 Automatic and Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 Manual: 33 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6Manual
360 Nm
266 lb-ft
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
350 Nm
258 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 V6Manual
1,430 kg
3,153 lb
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
1,390 kg
3,064 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 V6Manual
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
Unrestricted
260 km/h162 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-BenzSLK (R171)Facelift 2008SLK 350 V6Manual5.4 s
Mercedes-BenzSLK (R171)SLK 350 V6Automatic5.5 s

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 Manual and Mercedes-Benz SLK (R171) SLK 350 V6 Automatic: 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-BenzSLK (R171)Facelift 2008SLK 350 V6Manual
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
10.1 L/100 km
23.3 mpg US
28.0 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 V6Manual
213 hp/t
159 kW/t
4.7 kg/hp
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
196 hp/t
146 kW/t
5.1 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 V6Manual
722 km
448 mi
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
693 km
431 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6Manual
305 hp
227 kW
5.4 s
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
272 hp
203 kW
5.5 s
Unrestricted
260 km/h162 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-BenzSLK (R171)Facelift 2008SLK 350 V6Manual
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
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
Power
272 hp
203 kW
0-100 km/h5.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
208 L
7.3 cu ft
Length
4,089 mm
161.0 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-BenzSLK (R171)Facelift 2008SLK 350 V6Manual
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
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
Power
272 hp
203 kW
0-100 km/h5.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.1 L/100 km
23.3 mpg US
28.0 mpg UK

Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 Manual 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 V6Manual
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
5.4 s
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
10.1 L/100 km
23.3 mpg US
28.0 mpg UK
5.5 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 V6Manual
213 hp/t
159 kW/t
4.7 kg/hp
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
Mercedes-BenzSLK (R171)SLK 350 V6Automatic
196 hp/t
146 kW/t
5.1 kg/hp
10.1 L/100 km
23.3 mpg US
28.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6ManualMercedes-BenzSLK (R171)SLK 350 V6Automatic
Power
305 hp
227 kW
272 hp
203 kW
Torque
360 Nm
266 lb-ft
350 Nm
258 lb-ft
Acceleration
5.4 s
5.5 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,430 kg
3,153 lb
1,390 kg
3,064 lb
Fuel consumption
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
10.1 L/100 km
23.3 mpg US
28.0 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
208 L
7.3 cu ft
Length
4,089 mm
161.0 in
Height
1,298 mm
51.1 in
Range score
722 km
448 mi
693 km
431 mi
Trunk score
208 L
7.3 cu ft
208 L
7.3 cu ft
Power-to-weight score
213 hp/t
159 kW/t
4.7 kg/hp
196 hp/t
146 kW/t
5.1 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 V6 ManualMercedes-Benz SLK (R171) SLK 350 V6 Automatic
Consumption9.7 L/100 km24.2 mpg US29.1 mpg UK10.1 L/100 km23.3 mpg US28 mpg UK
Cost / 100 km16.97 LC100 km17.68 LC100 km
Cost / 100 mi27.32 LC100 mi28.45 LC100 mi
Annual fuel used1,455 L384 US gal320 UK gal1,515 L400 US gal333 UK gal
Annual fuel cost2,546 LC/year2,651 LC/year

Head-to-head comparisons

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

  • Has 33 hp more
  • Has 10 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 0.4 L/100 km less fuel
  • Has 18 hp/t better power-to-weight
  • Has 29 km (18 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 power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest

Choose cars to compare

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Model
Generation
Engine or modification
Mercedes-Benz SLK (R171) SLK 350 V6
Mercedes-Benz SLK (R171) SLK 350 V6
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Mercedes-Benz SLK (R171) · Facelift 2008 SLK 350 V6 vs Mercedes-Benz SLK (R171) SLK 350 V6 - car comparison - FastVsFaster