Car comparison

Mercedes-Benz SLK (R171) · Facelift 2008 SLK 350 V6vsMercedes-Benz SLK (R172) SLK 200 1.8

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 ccGasolineRWDAutomaticNaturally aspiratedRoadster2008-2011
VS

Mercedes-Benz SLK (R172)

SLK 200 1.8

184 hp1796 ccGasolineRWDManualTurbochargedRoadster2011-2015

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
    265 km/h
    165 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
  • Best overall score
    54/100
  • Best performance score
    66/100
  • Best practicality score
    29/100

Mercedes-Benz SLK (R172) SLK 200 1.8

  • Lightest
    1,395 kg
    3,075 lb
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest city consumption
    9.3 L/100 km
    25.3 mpg US
    30.4 mpg UK
  • Lowest highway consumption
    5.3 L/100 km
    44.4 mpg US
    53.3 mpg UK
  • Best estimated range
    882 km
    548 mi
  • Largest trunk
    225 L
  • Best economy score
    89/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6Mercedes-BenzSLK (R172)SLK 200 1.8
Power
305hp227kW
184hp137kW
Torque
360Nm266lb-ft
270Nm199lb-ft
Curb weight
1,430kg3,153lb
1,395kg3,075lb
Gross weight
1,800kg3,968lb
1,750kg3,858lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
240 km/h
149 mph
To 99% top speed
68.7s99% target: 262 km/h / 163 mph
Calculated
86.5s99% target: 238 km/h / 148 mph
Calculated
0-100 km/h
5.4s
7.3s
0-200 km/h
18.2s
Calculated
29.2s
Calculated
0-60 mph
5.1s
Calculated
6.9s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
12.6L/100 km18.7mpg US22.4mpg UK
9.3L/100 km25.3mpg US30.4mpg UK
Fuel consumption highway
6.9L/100 km34.1mpg US40.9mpg UK
5.3L/100 km44.4mpg US53.3mpg UK
Quarter mile
13.5s
Calculated
15.2s
Calculated
Power-to-weight
213hp/t159kW/t97hp/1000 lb
Calculated
132hp/t98kW/t60hp/1000 lb
Calculated
Torque-to-weight
252Nm/t168lb-ft/ton
Calculated
194Nm/t130lb-ft/ton
Calculated
Estimated range
778km483mi
Calculated
882km548mi
Calculated
Displacement
3,498cc213cu in
1,796cc110cu in
Length
4,107mm162in
4,134mm163in
Width
1,788mm70in
1,810mm71in
Height
1,298mm51in
1,301mm51in
Wheelbase
2,430mm96in
2,430mm96in
Front track
1,525mm60in
1,559mm61in
Rear track
1,550mm61in
1,565mm62in
Trunk volume
208L
225L
Max trunk volume-
335L
Doors
2
2
Seats
2
2
Fuel tank
70L
60L
CO2 emissions-
158g/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 SLK (R171) Facelift 2008 SLK 350 V6Mercedes-Benz SLK (R172) SLK 200 1.8PowerTorque
  • Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6: Power / Torque
  • Mercedes-Benz SLK (R172) SLK 200 1.8: 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
Mercedes-BenzSLK (R172)SLK 200 1.85,250 rpm1,800-4,600 rpm5,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6Mercedes-BenzSLK (R172)SLK 200 1.8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
6.9 s
0-100 km/h
0-62 mph
5.4 s
7.3 s
0-200 km/h
0-124 mph
18.2 s
29.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
240 km/h
149 mph
Drag race simulation
60 ft
18 m
2.3 s
2.5 s
330 ft
101 m
5.9 s
6.7 s
1/8 mile
201 m
8.9 s
10.0 s
1000 ft
305 m
11.4 s
12.8 s
1/4 mile
402 m
13.5 s
15.2 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
153 km/h
95 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
Mercedes-BenzSLK (R172)SLK 200 1.8
184 hp
137 kW

Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 has 121 hp more than Mercedes-Benz SLK (R172) SLK 200 1.8.

The biggest power difference is between Mercedes-Benz SLK (R172) SLK 200 1.8 and Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6: 121 hp (90 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
Mercedes-BenzSLK (R172)SLK 200 1.8
270 Nm
199 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
Mercedes-BenzSLK (R172)SLK 200 1.8
1,395 kg
3,075 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
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzSLK (R172)SLK 200 1.8
240 km/h
149 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
Mercedes-BenzSLK (R172)SLK 200 1.87.3 s

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6 and Mercedes-Benz SLK (R172) SLK 200 1.8: 1.9 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
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Mercedes-BenzSLK (R172)SLK 200 1.8
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLK (R172) SLK 200 1.8 and Mercedes-Benz SLK (R171) Facelift 2008 SLK 350 V6: 2.2 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
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6
213 hp/t
159 kW/t
4.7 kg/hp
Mercedes-BenzSLK (R172)SLK 200 1.8
132 hp/t
98 kW/t
7.6 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
778 km
483 mi
Mercedes-BenzSLK (R172)SLK 200 1.8
882 km
548 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
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzSLK (R172)SLK 200 1.8
184 hp
137 kW
7.3 s
240 km/h
149 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
265 km/h165 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 (R172)SLK 200 1.8
Power
184 hp
137 kW
0-100 km/h7.3 s
Top speed
240 km/h
149 mph
Doors/seats
2 doors
2 seats
Trunk
225 L
7.9 cu ft
Length
4,134 mm
162.8 in
Height
1,301 mm
51.2 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
265 km/h165 mph
Restricted
250 km/h155 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Mercedes-BenzSLK (R172)SLK 200 1.8
Power
184 hp
137 kW
0-100 km/h7.3 s
Top speed
240 km/h
149 mph
6.8 L/100 km
34.6 mpg US
41.5 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
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
5.4 s
Mercedes-BenzSLK (R172)SLK 200 1.8
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
7.3 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
Mercedes-BenzSLK (R171)Facelift 2008SLK 350 V6
213 hp/t
159 kW/t
4.7 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Mercedes-BenzSLK (R172)SLK 200 1.8
132 hp/t
98 kW/t
7.6 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6Mercedes-BenzSLK (R172)SLK 200 1.8
Power
305 hp
227 kW
184 hp
137 kW
Torque
360 Nm
266 lb-ft
270 Nm
199 lb-ft
Acceleration
5.4 s
7.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
240 km/h
149 mph
Lightness
1,430 kg
3,153 lb
1,395 kg
3,075 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 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
225 L
7.9 cu ft
Length
4,134 mm
162.8 in
Height
1,301 mm
51.2 in
Range score
778 km
483 mi
882 km
548 mi
CO2 score
-
158 g/km
Trunk score
208 L
7.3 cu ft
225 L
7.9 cu ft
Power-to-weight score
213 hp/t
159 kW/t
4.7 kg/hp
132 hp/t
98 kW/t
7.6 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 SLK (R171) Facelift 2008 SLK 350 V6Mercedes-Benz SLK (R172) SLK 200 1.8
Consumption9 L/100 km26.1 mpg US31.4 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km15.75 LC100 km11.90 LC100 km
Cost / 100 mi25.35 LC100 mi19.15 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost2,363 LC/year1,785 LC/year

Head-to-head comparisons

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

  • Has 121 hp more
  • Has 90 Nm more
  • Is 1.9 s quicker from 0-100 km/h
  • Has 25 km/h (16 mph) higher top speed
  • Has 81 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Mercedes-Benz SLK (R172) SLK 200 1.8

  • Is 35 kg lighter
  • Uses 2.2 L/100 km less fuel
  • Has 105 km (65 mi) more estimated range
  • Has 17 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz SLK (R171) SLK 350 V6
Mercedes-Benz SLK (R172) SLK 200 1.8
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Mercedes-Benz SLK (R171) · Facelift 2008 SLK 350 V6 vs Mercedes-Benz SLK (R172) SLK 200 1.8 - car comparison - FastVsFaster