Car comparison

Mercedes-Benz SLK (R172) AMG SLK 55 V8vsMercedes-Benz SL (R230) AMG SL 55 V8

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 SL (R230)

AMG SL 55 V8

476 hp5439 ccGasolineRWDAutomaticSuperchargedRoadster2001-2006

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
  • Lightest
    1,535 kg
    3,384 lb
  • 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
  • Best economy score
    84/100

Mercedes-Benz SL (R230) AMG SL 55 V8

  • Most powerful
    476 hp
    355 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Largest trunk
    235 L
  • Best overall score
    66/100
  • Best performance score
    83/100
  • Best practicality score
    30/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R172)AMG SLK 55 V8Mercedes-BenzSL (R230)AMG SL 55 V8
Power
421hp314kW
476hp355kW
Torque
540Nm398lb-ft
700Nm516lb-ft
Curb weight
1,535kg3,384lb
1,880kg4,145lb
Gross weight
1,910kg4,211lb
2,200kg4,850lb
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
58.1s99% target: 267 km/h / 166 mph
Calculated
59.2s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
4.6s
4.7s
0-200 km/h
15.0s
Calculated
15.3s
Calculated
0-60 mph
4.4s
Calculated
4.5s
Calculated
Fuel consumption
8.4L/100 km28mpg US33.6mpg UK
14.2L/100 km16.6mpg US19.9mpg UK
Fuel consumption city
12L/100 km19.6mpg US23.5mpg UK
20.9L/100 km11.3mpg US13.5mpg UK
Fuel consumption highway
6.2L/100 km37.9mpg US45.6mpg UK
10.6L/100 km22.2mpg US26.6mpg UK
Quarter mile
12.6s
Calculated
12.7s
Calculated
Power-to-weight
274hp/t205kW/t124hp/1000 lb
Calculated
253hp/t189kW/t115hp/1000 lb
Calculated
Torque-to-weight
352Nm/t235lb-ft/ton
Calculated
372Nm/t249lb-ft/ton
Calculated
Estimated range
833km518mi
Calculated
563km350mi
Calculated
Displacement
5,461cc333cu in
5,439cc332cu in
Length
4,134mm163in
4,535mm179in
Width
1,810mm71in
1,815mm71in
Height
1,301mm51in
1,295mm51in
Wheelbase
2,430mm96in
2,560mm101in
Front track
1,559mm61in
1,569mm62in
Rear track
1,565mm62in
1,551mm61in
Trunk volume
225L
235L
Max trunk volume
335L
317L
Doors
2
2
Seats
2
2
Fuel tank
70L
80L
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 SL (R230) AMG SL 55 V8PowerTorque
  • Mercedes-Benz SLK (R172) AMG SLK 55 V8: Power / Torque
  • Mercedes-Benz SL (R230) AMG SL 55 V8: 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-BenzSL (R230)AMG SL 55 V86,100 rpm2,650-4,500 rpm6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLK (R172)AMG SLK 55 V8Mercedes-BenzSL (R230)AMG SL 55 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.5 s
0-100 km/h
0-62 mph
4.6 s
4.7 s
0-200 km/h
0-124 mph
15.0 s
15.3 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.6 s
5.6 s
1/8 mile
201 m
8.3 s
8.4 s
1000 ft
305 m
10.7 s
10.8 s
1/4 mile
402 m
12.6 s
12.7 s
Trap speed
1/4 mile
402 m
185 km/h
115 mph
184 km/h
114 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-BenzSL (R230)AMG SL 55 V8
476 hp
355 kW

Mercedes-Benz SL (R230) AMG SL 55 V8 has 55 hp more than Mercedes-Benz SLK (R172) AMG SLK 55 V8.

The biggest power difference is between Mercedes-Benz SLK (R172) AMG SLK 55 V8 and Mercedes-Benz SL (R230) AMG SL 55 V8: 55 hp (41 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-BenzSL (R230)AMG SL 55 V8
700 Nm
516 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-BenzSL (R230)AMG SL 55 V8
1,880 kg
4,145 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-BenzSL (R230)AMG SL 55 V8
Unrestricted
270 km/h168 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 (R172)AMG SLK 55 V84.6 s
Mercedes-BenzSL (R230)AMG SL 55 V84.7 s

Although Mercedes-Benz SL (R230) AMG SL 55 V8 has more power, Mercedes-Benz SLK (R172) AMG SLK 55 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R172) AMG SLK 55 V8 and Mercedes-Benz SL (R230) AMG SL 55 V8: 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 (R172)AMG SLK 55 V8
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Mercedes-BenzSL (R230)AMG SL 55 V8
14.2 L/100 km
16.6 mpg US
19.9 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLK (R172) AMG SLK 55 V8 and Mercedes-Benz SL (R230) AMG SL 55 V8: 5.8 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-BenzSL (R230)AMG SL 55 V8
253 hp/t
189 kW/t
3.9 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-BenzSL (R230)AMG SL 55 V8
563 km
350 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-BenzSL (R230)AMG SL 55 V8
476 hp
355 kW
4.7 s
Unrestricted
270 km/h168 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 (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-BenzSL (R230)AMG SL 55 V8
Power
476 hp
355 kW
0-100 km/h4.7 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
235 L
8.3 cu ft
Length
4,535 mm
178.5 in
Height
1,295 mm
51.0 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-BenzSL (R230)AMG SL 55 V8
Power
476 hp
355 kW
0-100 km/h4.7 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
14.2 L/100 km
16.6 mpg US
19.9 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-BenzSL (R230)AMG SL 55 V8
14.2 L/100 km
16.6 mpg US
19.9 mpg UK
4.7 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-BenzSL (R230)AMG SL 55 V8
253 hp/t
189 kW/t
3.9 kg/hp
14.2 L/100 km
16.6 mpg US
19.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLK (R172)AMG SLK 55 V8Mercedes-BenzSL (R230)AMG SL 55 V8
Power
421 hp
314 kW
476 hp
355 kW
Torque
540 Nm
398 lb-ft
700 Nm
516 lb-ft
Acceleration
4.6 s
4.7 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Lightness
1,535 kg
3,384 lb
1,880 kg
4,145 lb
Fuel consumption
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
14.2 L/100 km
16.6 mpg US
19.9 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
235 L
8.3 cu ft
Length
4,535 mm
178.5 in
Height
1,295 mm
51.0 in
Range score
833 km
518 mi
563 km
350 mi
CO2 score
195 g/km
-
Trunk score
225 L
7.9 cu ft
235 L
8.3 cu ft
Power-to-weight score
274 hp/t
205 kW/t
3.6 kg/hp
253 hp/t
189 kW/t
3.9 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 SL (R230) AMG SL 55 V8
Consumption8.4 L/100 km28 mpg US33.6 mpg UK14.2 L/100 km16.6 mpg US19.9 mpg UK
Cost / 100 km14.70 LC100 km24.85 LC100 km
Cost / 100 mi23.66 LC100 mi39.99 LC100 mi
Annual fuel used1,260 L333 US gal277 UK gal2,130 L563 US gal469 UK gal
Annual fuel cost2,205 LC/year3,728 LC/year

Head-to-head comparisons

Mercedes-Benz SLK (R172) AMG SLK 55 V8

  • Is 345 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 5.8 L/100 km less fuel
  • Has 21 hp/t better power-to-weight
  • Has 270 km (168 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Lowest power
  • Smallest trunk

Mercedes-Benz SL (R230) AMG SL 55 V8

  • Has 55 hp more
  • Has 160 Nm more
  • Has 10 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz SLK (R172) AMG SLK 55 V8
Mercedes-Benz SL (R230) AMG SL 55 V8
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