Car comparison

Mercedes-Benz SLK (R172) AMG SLK 55 V8vsMercedes-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)

AMG SLK 55 V8

421 hp5461 ccGasolineRWDAutomaticNaturally aspiratedRoadster2012-2015
VS

Mercedes-Benz SLK (R170)

SLK 230 Kompressor

193 hp2295 ccGasolineRWDManualSuperchargedRoadster1996-2000

Comparison overview

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

Best choices

Mercedes-Benz SLK (R172) AMG SLK 55 V8

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    270 km/h
    168 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    421 hp
    314 kW
  • Highest torque
    540 Nm
    398 lb-ft
  • Best power-to-weight
    274 hp/t
    205 kW/t
    3.6 kg/hp
  • Lowest combined fuel consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Lowest city consumption
    12.0 L/100 km
    19.6 mpg US
    23.5 mpg UK
  • Lowest highway consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Best estimated range
    833 km
    518 mi
  • Largest trunk
    225 L
  • Best overall score
    62/100
  • Best performance score
    78/100
  • Best economy score
    84/100
  • Best practicality score
    29/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R172)AMG SLK 55 V8Mercedes-BenzSLK (R170)SLK 230 Kompressor
Power
421hp314kW
193hp144kW
Torque
540Nm398lb-ft
280Nm207lb-ft
Curb weight
1,535kg3,384lb
1,250kg2,756lb
Gross weight
1,910kg4,211lb
1,585kg3,494lb
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
231 km/h
144 mph
To 99% top speed
58.1s99% target: 267 km/h / 166 mph
Calculated
80.3s99% target: 229 km/h / 142 mph
Calculated
0-100 km/h
4.6s
7.4s
0-200 km/h
15.0s
Calculated
31.2s
Calculated
0-60 mph
4.4s
Calculated
7.0s
Calculated
Fuel consumption
8.4L/100 km28mpg US33.6mpg UK
9.3L/100 km25.3mpg US30.4mpg UK
Fuel consumption city
12L/100 km19.6mpg US23.5mpg UK
13.3L/100 km17.7mpg US21.2mpg UK
Fuel consumption highway
6.2L/100 km37.9mpg US45.6mpg UK
7L/100 km33.6mpg US40.4mpg UK
Quarter mile
12.6s
Calculated
15.3s
Calculated
Power-to-weight
274hp/t205kW/t124hp/1000 lb
Calculated
154hp/t115kW/t70hp/1000 lb
Calculated
Torque-to-weight
352Nm/t235lb-ft/ton
Calculated
224Nm/t150lb-ft/ton
Calculated
Estimated range
833km518mi
Calculated
570km354mi
Calculated
Displacement
5,461cc333cu 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
70L
53L
CO2 emissions
195g/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) AMG SLK 55 V8Mercedes-Benz SLK (R170) SLK 230 KompressorPowerTorque
  • Mercedes-Benz SLK (R172) AMG SLK 55 V8: 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)AMG SLK 55 V86,800 rpm4,500 rpm7,050 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)AMG SLK 55 V8Mercedes-BenzSLK (R170)SLK 230 Kompressor
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
7.0 s
0-100 km/h
0-62 mph
4.6 s
7.4 s
0-200 km/h
0-124 mph
15.0 s
31.2 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Limited
231 km/h
144 mph
Drag race simulation
60 ft
18 m
2.2 s
2.6 s
330 ft
101 m
5.6 s
6.7 s
1/8 mile
201 m
8.3 s
10.1 s
1000 ft
305 m
10.7 s
12.9 s
1/4 mile
402 m
12.6 s
15.3 s
Trap speed
1/4 mile
402 m
185 km/h
115 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)AMG SLK 55 V8
421 hp
314 kW
Mercedes-BenzSLK (R170)SLK 230 Kompressor
193 hp
144 kW

Mercedes-Benz SLK (R172) AMG SLK 55 V8 has 228 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) AMG SLK 55 V8: 228 hp (170 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)AMG SLK 55 V8
540 Nm
398 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)AMG SLK 55 V8
1,535 kg
3,384 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)AMG SLK 55 V8
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Mercedes-BenzSLK (R170)SLK 230 Kompressor
231 km/h
144 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)AMG SLK 55 V84.6 s
Mercedes-BenzSLK (R170)SLK 230 Kompressor7.4 s

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R172) AMG SLK 55 V8 and Mercedes-Benz SLK (R170) SLK 230 Kompressor: 2.8 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)AMG SLK 55 V8
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Mercedes-BenzSLK (R170)SLK 230 Kompressor
9.3 L/100 km
25.3 mpg US
30.4 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLK (R172) AMG SLK 55 V8 and Mercedes-Benz SLK (R170) SLK 230 Kompressor: 0.9 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)AMG SLK 55 V8
274 hp/t
205 kW/t
3.6 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)AMG SLK 55 V8
833 km
518 mi
Mercedes-BenzSLK (R170)SLK 230 Kompressor
570 km
354 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLK (R172)AMG SLK 55 V8
421 hp
314 kW
4.6 s
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Mercedes-BenzSLK (R170)SLK 230 Kompressor
193 hp
144 kW
7.4 s
231 km/h
144 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)AMG SLK 55 V8
Power
421 hp
314 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
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/h7.4 s
Top speed
231 km/h
144 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)AMG SLK 55 V8
Power
421 hp
314 kW
0-100 km/h4.6 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Mercedes-BenzSLK (R170)SLK 230 Kompressor
Power
193 hp
144 kW
0-100 km/h7.4 s
Top speed
231 km/h
144 mph
9.3 L/100 km
25.3 mpg US
30.4 mpg UK

Mercedes-Benz SLK (R172) AMG SLK 55 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
Mercedes-BenzSLK (R172)AMG SLK 55 V8
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
4.6 s
Mercedes-BenzSLK (R170)SLK 230 Kompressor
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
7.4 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)AMG SLK 55 V8
274 hp/t
205 kW/t
3.6 kg/hp
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Mercedes-BenzSLK (R170)SLK 230 Kompressor
154 hp/t
115 kW/t
6.5 kg/hp
9.3 L/100 km
25.3 mpg US
30.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLK (R172)AMG SLK 55 V8Mercedes-BenzSLK (R170)SLK 230 Kompressor
Power
421 hp
314 kW
193 hp
144 kW
Torque
540 Nm
398 lb-ft
280 Nm
207 lb-ft
Acceleration
4.6 s
7.4 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
231 km/h
144 mph
Lightness
1,535 kg
3,384 lb
1,250 kg
2,756 lb
Fuel consumption
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
9.3 L/100 km
25.3 mpg US
30.4 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
833 km
518 mi
570 km
354 mi
CO2 score
195 g/km
-
Trunk score
225 L
7.9 cu ft
145 L
5.1 cu ft
Power-to-weight score
274 hp/t
205 kW/t
3.6 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) AMG SLK 55 V8Mercedes-Benz SLK (R170) SLK 230 Kompressor
Consumption8.4 L/100 km28 mpg US33.6 mpg UK9.3 L/100 km25.3 mpg US30.4 mpg UK
Cost / 100 km14.70 LC100 km16.28 LC100 km
Cost / 100 mi23.66 LC100 mi26.19 LC100 mi
Annual fuel used1,260 L333 US gal277 UK gal1,395 L369 US gal307 UK gal
Annual fuel cost2,205 LC/year2,441 LC/year

Head-to-head comparisons

Mercedes-Benz SLK (R172) AMG SLK 55 V8

  • Has 228 hp more
  • Has 260 Nm more
  • Is 2.8 s quicker from 0-100 km/h
  • Has 39 km/h (24 mph) higher top speed
  • Uses 0.9 L/100 km less fuel
  • Has 120 hp/t better power-to-weight
  • Has 263 km (164 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 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 (R172) AMG SLK 55 V8
Mercedes-Benz SLK (R170) SLK 230 Kompressor
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