Car comparison

Mercedes-Benz SLK (R172) SLK 250vsMercedes-Benz SL (R107) 450 SL V8

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

New comparison

Mercedes-Benz SLK (R172)

SLK 250

204 hp1796 ccGasolineRWDAutomaticTurbochargedRoadster2011-2015
VS

Mercedes-Benz SL (R107)

450 SL V8

225 hp4520 ccGasolineRWDAutomaticNaturally aspiratedRoadster1973-1980

Comparison overview

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

Best choices

Mercedes-Benz SLK (R172) SLK 250

  • Quickest 0-100 km/h
    6.6 s
  • Fastest top speed
    243 km/h
    151 mph
  • Lightest
    1,425 kg
    3,142 lb
  • Best power-to-weight
    143 hp/t
    107 kW/t
    7.0 kg/hp
  • Lowest combined fuel consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Best estimated range
    909 km
    565 mi
  • Best overall score
    47/100
  • Best performance score
    55/100
  • Best economy score
    89/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R172)SLK 250Mercedes-BenzSL (R107)450 SL V8
Power
204hp152kW
225hp168kW
Torque
310Nm229lb-ft
378Nm279lb-ft
Curb weight
1,425kg3,142lb
1,585kg3,494lb
Gross weight
1,815kg4,001lb
2,015kg4,442lb
Top speed
243 km/h
151 mph
215 km/h
134 mph
To 99% top speed
80.9s99% target: 241 km/h / 149 mph
Calculated
88.7s99% target: 213 km/h / 132 mph
Calculated
0-100 km/h
6.6s
8.8s
0-200 km/h
26.0s
Calculated
47.1s
Calculated
0-60 mph
6.3s
Calculated
8.3s
Calculated
Fuel consumption
6.6L/100 km35.6mpg US42.8mpg UK
14.5L/100 km16.2mpg US19.5mpg UK
Fuel consumption city
8.7L/100 km27mpg US32.5mpg UK
-
Fuel consumption highway
5.4L/100 km43.6mpg US52.3mpg UK
-
Quarter mile
14.6s
Calculated
16.4s
Calculated
Power-to-weight
143hp/t107kW/t65hp/1000 lb
Calculated
142hp/t106kW/t64hp/1000 lb
Calculated
Torque-to-weight
218Nm/t146lb-ft/ton
Calculated
238Nm/t160lb-ft/ton
Calculated
Estimated range
909km565mi
Calculated
621km386mi
Calculated
Displacement
1,796cc110cu in
4,520cc276cu in
Length
4,134mm163in
4,370mm172in
Width
1,810mm71in
1,790mm70in
Height
1,303mm51in
1,300mm51in
Wheelbase
2,430mm96in
2,455mm97in
Front track
1,551mm61in
1,452mm57in
Rear track
1,568mm62in
1,440mm57in
Trunk volume
225L
-
Max trunk volume
335L
252L
Doors
2
2
Seats
2
2
Fuel tank
60L
90L

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 250Mercedes-Benz SL (R107) 450 SL V8PowerTorque
  • Mercedes-Benz SLK (R172) SLK 250: Power / Torque
  • Mercedes-Benz SL (R107) 450 SL V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSLK (R172)SLK 2505,500 rpm2,000-4,300 rpm5,750 rpm
Mercedes-BenzSL (R107)450 SL V85,000 rpm3,000 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLK (R172)SLK 250Mercedes-BenzSL (R107)450 SL V8
Acceleration checkpoints
0-60 mph
0-97 km/h
6.3 s
8.3 s
0-100 km/h
0-62 mph
6.6 s
8.8 s
0-200 km/h
0-124 mph
26.0 s
47.1 s
Top speed
243 km/h
151 mph
215 km/h
134 mph
Drag race simulation
60 ft
18 m
2.4 s
2.7 s
330 ft
101 m
6.4 s
7.1 s
1/8 mile
201 m
9.6 s
10.7 s
1000 ft
305 m
12.3 s
13.8 s
1/4 mile
402 m
14.6 s
16.4 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
141 km/h
88 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 250
204 hp
152 kW
Mercedes-BenzSL (R107)450 SL V8
225 hp
168 kW

Mercedes-Benz SL (R107) 450 SL V8 has 21 hp more than Mercedes-Benz SLK (R172) SLK 250.

The biggest power difference is between Mercedes-Benz SLK (R172) SLK 250 and Mercedes-Benz SL (R107) 450 SL V8: 21 hp (16 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 250
310 Nm
229 lb-ft
Mercedes-BenzSL (R107)450 SL V8
378 Nm
279 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
1,425 kg
3,142 lb
Mercedes-BenzSL (R107)450 SL V8
1,585 kg
3,494 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
243 km/h
151 mph
Mercedes-BenzSL (R107)450 SL V8
215 km/h
134 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 2506.6 s
Mercedes-BenzSL (R107)450 SL V88.8 s

Although Mercedes-Benz SL (R107) 450 SL V8 has more power, Mercedes-Benz SLK (R172) SLK 250 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R172) SLK 250 and Mercedes-Benz SL (R107) 450 SL V8: 2.2 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
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Mercedes-BenzSL (R107)450 SL V8
14.5 L/100 km
16.2 mpg US
19.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLK (R172) SLK 250 and Mercedes-Benz SL (R107) 450 SL V8: 7.9 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)SLK 250
143 hp/t
107 kW/t
7.0 kg/hp
Mercedes-BenzSL (R107)450 SL V8
142 hp/t
106 kW/t
7.0 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
909 km
565 mi
Mercedes-BenzSL (R107)450 SL V8
621 km
386 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLK (R172)SLK 250
204 hp
152 kW
6.6 s
243 km/h
151 mph
Mercedes-BenzSL (R107)450 SL V8
225 hp
168 kW
8.8 s
215 km/h
134 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
Power
204 hp
152 kW
0-100 km/h6.6 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
1,303 mm
51.3 in
Mercedes-BenzSL (R107)450 SL V8
Power
225 hp
168 kW
0-100 km/h8.8 s
Top speed
215 km/h
134 mph
Doors/seats
2 doors
2 seats
Trunk
252 L
8.9 cu ft
Length
4,370 mm
172.0 in
Height
1,300 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 (R172)SLK 250
Power
204 hp
152 kW
0-100 km/h6.6 s
Top speed
243 km/h
151 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Mercedes-BenzSL (R107)450 SL V8
Power
225 hp
168 kW
0-100 km/h8.8 s
Top speed
215 km/h
134 mph
14.5 L/100 km
16.2 mpg US
19.5 mpg UK

Mercedes-Benz SLK (R172) SLK 250 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
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
6.6 s
Mercedes-BenzSL (R107)450 SL V8
14.5 L/100 km
16.2 mpg US
19.5 mpg UK
8.8 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
143 hp/t
107 kW/t
7.0 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Mercedes-BenzSL (R107)450 SL V8
142 hp/t
106 kW/t
7.0 kg/hp
14.5 L/100 km
16.2 mpg US
19.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLK (R172)SLK 250Mercedes-BenzSL (R107)450 SL V8
Power
204 hp
152 kW
225 hp
168 kW
Torque
310 Nm
229 lb-ft
378 Nm
279 lb-ft
Acceleration
6.6 s
8.8 s
Top speed
243 km/h
151 mph
215 km/h
134 mph
Lightness
1,425 kg
3,142 lb
1,585 kg
3,494 lb
Fuel consumption
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
14.5 L/100 km
16.2 mpg US
19.5 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
225 L
7.9 cu ft
Length
4,134 mm
162.8 in
Height
1,303 mm
51.3 in
Doors/seats
2 doors
2 seats
Trunk
252 L
8.9 cu ft
Length
4,370 mm
172.0 in
Height
1,300 mm
51.2 in
Range score
909 km
565 mi
621 km
386 mi
Trunk score
225 L
7.9 cu ft
252 L
8.9 cu ft
Power-to-weight score
143 hp/t
107 kW/t
7.0 kg/hp
142 hp/t
106 kW/t
7.0 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 250Mercedes-Benz SL (R107) 450 SL V8
Consumption6.6 L/100 km35.6 mpg US42.8 mpg UK14.5 L/100 km16.2 mpg US19.5 mpg UK
Cost / 100 km11.55 LC100 km25.38 LC100 km
Cost / 100 mi18.59 LC100 mi40.84 LC100 mi
Annual fuel used990 L262 US gal218 UK gal2,175 L575 US gal478 UK gal
Annual fuel cost1,733 LC/year3,806 LC/year

Head-to-head comparisons

Mercedes-Benz SLK (R172) SLK 250

  • Is 160 kg lighter
  • Is 2.2 s quicker from 0-100 km/h
  • Has 28 km/h (17 mph) higher top speed
  • Uses 7.9 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 288 km (179 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 (R107) 450 SL V8

  • Has 21 hp more
  • Has 68 Nm more
  • Has 27 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz SLK (R172) SLK 250
Mercedes-Benz SL (R107) 450 SL V8
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