Car comparison

Mercedes-Benz SLK (R172) SLK 250 CDIvsMercedes-Benz SLK (R170) SLK 230 Kompressor

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

New comparison

Mercedes-Benz SLK (R172)

SLK 250 CDI

204 hp2143 ccDieselRWDAutomaticTwin-turboRoadster2012-2015
VS

Mercedes-Benz SLK (R170)

SLK 230 Kompressor

193 hp2295 ccGasolineRWDAutomaticSuperchargedRoadster1996-2000

Comparison overview

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

Best choices

Mercedes-Benz SLK (R172) SLK 250 CDI

  • Quickest 0-100 km/h
    6.7 s
  • Fastest top speed
    243 km/h
    151 mph
  • Most powerful
    204 hp
    152 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Lowest combined fuel consumption
    5.0 L/100 km
    47.0 mpg US
    56.5 mpg UK
  • Lowest city consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest highway consumption
    4.3 L/100 km
    54.7 mpg US
    65.7 mpg UK
  • Best estimated range
    1,200 km
    746 mi
  • Largest trunk
    225 L
  • Best overall score
    49/100
  • Best performance score
    58/100
  • Best economy score
    93/100
  • Best practicality score
    29/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R172)SLK 250 CDIMercedes-BenzSLK (R170)SLK 230 Kompressor
Power
204hp152kW
193hp144kW
Torque
500Nm369lb-ft
280Nm207lb-ft
Curb weight
1,515kg3,340lb
1,250kg2,756lb
Gross weight
1,905kg4,200lb
1,585kg3,494lb
Top speed
243 km/h
151 mph
227 km/h
141 mph
To 99% top speed
81.6s99% target: 241 km/h / 149 mph
Calculated
77.1s99% target: 225 km/h / 140 mph
Calculated
0-100 km/h
6.7s
7.3s
0-200 km/h
26.3s
Calculated
32.0s
Calculated
0-60 mph
6.4s
Calculated
6.9s
Calculated
Fuel consumption
5L/100 km47mpg US56.5mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city
6.2L/100 km37.9mpg US45.6mpg UK
13.6L/100 km17.3mpg US20.8mpg UK
Fuel consumption highway
4.3L/100 km54.7mpg US65.7mpg UK
7L/100 km33.6mpg US40.4mpg UK
Quarter mile
14.7s
Calculated
15.2s
Calculated
Power-to-weight
135hp/t100kW/t61hp/1000 lb
Calculated
154hp/t115kW/t70hp/1000 lb
Calculated
Torque-to-weight
330Nm/t221lb-ft/ton
Calculated
224Nm/t150lb-ft/ton
Calculated
Estimated range
1,200km746mi
Calculated
558km347mi
Calculated
Displacement
2,143cc131cu in
2,295cc140cu in
Length
4,134mm163in
3,995mm157in
Width
1,810mm71in
1,715mm68in
Height
1,301mm51in
1,284mm51in
Wheelbase
2,430mm96in
2,400mm94in
Front track
1,559mm61in
1,488mm59in
Rear track
1,565mm62in
1,485mm58in
Trunk volume
225L
145L
Max trunk volume
335L
348L
Doors
2
2
Seats
2
2
Fuel tank
60L
53L
CO2 emissions
132g/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 (R172) SLK 250 CDIMercedes-Benz SLK (R170) SLK 230 KompressorPowerTorque
  • Mercedes-Benz SLK (R172) SLK 250 CDI: Power / Torque
  • Mercedes-Benz SLK (R170) SLK 230 Kompressor: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSLK (R172)SLK 250 CDI3,800 rpm1,600-1,800 rpm4,050 rpm
Mercedes-BenzSLK (R170)SLK 230 Kompressor5,300 rpm2,500-4,800 rpm5,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLK (R172)SLK 250 CDIMercedes-BenzSLK (R170)SLK 230 Kompressor
Acceleration checkpoints
0-60 mph
0-97 km/h
6.4 s
6.9 s
0-100 km/h
0-62 mph
6.7 s
7.3 s
0-200 km/h
0-124 mph
26.3 s
32.0 s
Top speed
243 km/h
151 mph
227 km/h
141 mph
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
6.4 s
6.7 s
1/8 mile
201 m
9.7 s
10.0 s
1000 ft
305 m
12.4 s
12.9 s
1/4 mile
402 m
14.7 s
15.2 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
152 km/h
95 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 250 CDI
204 hp
152 kW
Mercedes-BenzSLK (R170)SLK 230 Kompressor
193 hp
144 kW

Mercedes-Benz SLK (R172) SLK 250 CDI has 11 hp more than Mercedes-Benz SLK (R170) SLK 230 Kompressor.

The biggest power difference is between Mercedes-Benz SLK (R170) SLK 230 Kompressor and Mercedes-Benz SLK (R172) SLK 250 CDI: 11 hp (8 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 250 CDI
500 Nm
369 lb-ft
Mercedes-BenzSLK (R170)SLK 230 Kompressor
280 Nm
207 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 250 CDI
1,515 kg
3,340 lb
Mercedes-BenzSLK (R170)SLK 230 Kompressor
1,250 kg
2,756 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 (R172)SLK 250 CDI
243 km/h
151 mph
Mercedes-BenzSLK (R170)SLK 230 Kompressor
227 km/h
141 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 250 CDI6.7 s
Mercedes-BenzSLK (R170)SLK 230 Kompressor7.3 s

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R172) SLK 250 CDI and Mercedes-Benz SLK (R170) SLK 230 Kompressor: 0.6 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 (R172)SLK 250 CDI
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
Mercedes-BenzSLK (R170)SLK 230 Kompressor
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLK (R172) SLK 250 CDI and Mercedes-Benz SLK (R170) SLK 230 Kompressor: 4.5 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 (R172)SLK 250 CDI
135 hp/t
100 kW/t
7.4 kg/hp
Mercedes-BenzSLK (R170)SLK 230 Kompressor
154 hp/t
115 kW/t
6.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 250 CDI
1,200 km
746 mi
Mercedes-BenzSLK (R170)SLK 230 Kompressor
558 km
347 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLK (R172)SLK 250 CDI
204 hp
152 kW
6.7 s
243 km/h
151 mph
Mercedes-BenzSLK (R170)SLK 230 Kompressor
193 hp
144 kW
7.3 s
227 km/h
141 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 (R172)SLK 250 CDI
Power
204 hp
152 kW
0-100 km/h6.7 s
Top speed
243 km/h
151 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
Mercedes-BenzSLK (R170)SLK 230 Kompressor
Power
193 hp
144 kW
0-100 km/h7.3 s
Top speed
227 km/h
141 mph
Doors/seats
2 doors
2 seats
Trunk
145 L
5.1 cu ft
Length
3,995 mm
157.3 in
Height
1,284 mm
50.6 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 (R172)SLK 250 CDI
Power
204 hp
152 kW
0-100 km/h6.7 s
Top speed
243 km/h
151 mph
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
Mercedes-BenzSLK (R170)SLK 230 Kompressor
Power
193 hp
144 kW
0-100 km/h7.3 s
Top speed
227 km/h
141 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Mercedes-Benz SLK (R172) SLK 250 CDI 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 (R172)SLK 250 CDI
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
6.7 s
Mercedes-BenzSLK (R170)SLK 230 Kompressor
9.5 L/100 km
24.8 mpg US
29.7 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 (R172)SLK 250 CDI
135 hp/t
100 kW/t
7.4 kg/hp
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
Mercedes-BenzSLK (R170)SLK 230 Kompressor
154 hp/t
115 kW/t
6.5 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLK (R172)SLK 250 CDIMercedes-BenzSLK (R170)SLK 230 Kompressor
Power
204 hp
152 kW
193 hp
144 kW
Torque
500 Nm
369 lb-ft
280 Nm
207 lb-ft
Acceleration
6.7 s
7.3 s
Top speed
243 km/h
151 mph
227 km/h
141 mph
Lightness
1,515 kg
3,340 lb
1,250 kg
2,756 lb
Fuel consumption
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Practicality
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
Doors/seats
2 doors
2 seats
Trunk
145 L
5.1 cu ft
Length
3,995 mm
157.3 in
Height
1,284 mm
50.6 in
Range score
1,200 km
746 mi
558 km
347 mi
CO2 score
132 g/km
-
Trunk score
225 L
7.9 cu ft
145 L
5.1 cu ft
Power-to-weight score
135 hp/t
100 kW/t
7.4 kg/hp
154 hp/t
115 kW/t
6.5 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 (R172) SLK 250 CDIMercedes-Benz SLK (R170) SLK 230 Kompressor
Consumption5 L/100 km47 mpg US56.5 mpg UK9.5 L/100 km24.8 mpg US29.7 mpg UK
Cost / 100 km8.75 LC100 km16.63 LC100 km
Cost / 100 mi14.08 LC100 mi26.76 LC100 mi
Annual fuel used750 L198 US gal165 UK gal1,425 L376 US gal313 UK gal
Annual fuel cost1,313 LC/year2,494 LC/year

Head-to-head comparisons

Mercedes-Benz SLK (R172) SLK 250 CDI

  • Has 11 hp more
  • Has 220 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 16 km/h (10 mph) higher top speed
  • Uses 4.5 L/100 km less fuel
  • Has 642 km (399 mi) more estimated range
  • Has 80 L more trunk volume

Pros

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

Cons

  • Heaviest

Mercedes-Benz SLK (R170) SLK 230 Kompressor

  • Is 265 kg lighter
  • Has 20 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
  • Smallest trunk

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Mercedes-Benz SLK (R172) SLK 250 CDI
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