Car comparison

Mercedes-Benz SLK (R172) SLK 250 CDIvsMercedes-Benz SL (R107) · Facelift 1985 560 SL CAT V8

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

Mercedes-Benz SL (R107) · Facelift 1985

560 SL CAT V8

230 hp5547 ccGasolineRWDAutomaticNaturally aspiratedRoadster1985-1989

Comparison overview

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

Mercedes-Benz SLK (R172) SLK 250 CDI

Quickest 0-100 km/h
6.7 s
Fastest top speed
243 km/h
151 mph
Highest torque
500 Nm
369 lb-ft
Lightest
1,515 kg
3,340 lb
Best power-to-weight
135 hp/t
100 kW/t
7.4 kg/hp
Best overall score
49/100
Best performance score
58/100
Best economy score
93/100

Mercedes-Benz SL (R107) Facelift 1985 560 SL CAT V8

Most powerful
230 hp
172 kW
Best practicality score
32/100

Specification comparison

Specification comparison
Model	Mercedes-BenzSLK (R172)SLK 250 CDI	Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8
Power	204hp152kW	230hp172kW
Torque	500Nm369lb-ft	373Nm275lb-ft
Curb weight	1,515kg3,340lb	1,715kg3,781lb
Gross weight	1,905kg4,200lb	1,945kg4,288lb
Top speed	243 km/h 151 mph	223 km/h 139 mph
To 99% top speed	81.6s99% target: 241 km/h / 149 mph Calculated	84.1s99% target: 221 km/h / 137 mph Calculated
0-100 km/h	6.7s	7.7s
0-200 km/h	26.3s Calculated	36.8s Calculated
0-60 mph	6.4s Calculated	7.3s Calculated
Fuel consumption	5L/100 km47mpg US56.5mpg UK	-
Fuel consumption city	6.2L/100 km37.9mpg US45.6mpg UK	-
Fuel consumption highway	4.3L/100 km54.7mpg US65.7mpg UK	-
Quarter mile	14.7s Calculated	15.6s Calculated
Power-to-weight	135hp/t100kW/t61hp/1000 lb Calculated	134hp/t100kW/t61hp/1000 lb Calculated
Torque-to-weight	330Nm/t221lb-ft/ton Calculated	217Nm/t146lb-ft/ton Calculated
Estimated range	1,200km746mi Calculated	-
Displacement	2,143cc131cu in	5,547cc338cu in
Length	4,134mm163in	4,580mm180in
Width	1,810mm71in	1,790mm70in
Height	1,301mm51in	1,300mm51in
Wheelbase	2,430mm96in	2,455mm97in
Front track	1,559mm61in	1,465mm58in
Rear track	1,565mm62in	1,466mm58in
Trunk volume	225L	-
Max trunk volume	335L	-
Doors	2	2
Seats	2	2
Fuel tank	60L	85L
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 SL (R107) Facelift 1985 560 SL CAT V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzSLK (R172)SLK 250 CDI	3,800 rpm	1,600-1,800 rpm	4,050 rpm
Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8	4,750 rpm	3,250 rpm	5,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzSLK (R172)SLK 250 CDI	Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.4 s	7.3 s
0-100 km/h 0-62 mph	6.7 s	7.7 s
0-200 km/h 0-124 mph	26.3 s	36.8 s
Top speed	243 km/h 151 mph	223 km/h 139 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.6 s
330 ft 101 m	6.4 s	6.8 s
1/8 mile 201 m	9.7 s	10.2 s
1000 ft 305 m	12.4 s	13.1 s
1/4 mile 402 m	14.7 s	15.6 s
Trap speed 1/4 mile 402 m	158 km/h 98 mph	148 km/h 92 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)SLK 250 CDI	204 hp 152 kW
Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8	230 hp 172 kW

Mercedes-Benz SL (R107) Facelift 1985 560 SL CAT V8 has 26 hp more than Mercedes-Benz SLK (R172) SLK 250 CDI.

The biggest power difference is between Mercedes-Benz SLK (R172) SLK 250 CDI and Mercedes-Benz SL (R107) Facelift 1985 560 SL CAT V8: 26 hp (19 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)SLK 250 CDI	500 Nm 369 lb-ft
Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8	373 Nm 275 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)SLK 250 CDI	1,515 kg 3,340 lb
Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8	1,715 kg 3,781 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)SLK 250 CDI	243 km/h 151 mph
Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8	223 km/h 139 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)SLK 250 CDI	6.7 s
Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8	7.7 s

Although Mercedes-Benz SL (R107) Facelift 1985 560 SL CAT V8 has more power, Mercedes-Benz SLK (R172) SLK 250 CDI is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R172) SLK 250 CDI and Mercedes-Benz SL (R107) Facelift 1985 560 SL CAT V8: 1.0 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)SLK 250 CDI	135 hp/t 100 kW/t 7.4 kg/hp
Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8	134 hp/t 100 kW/t 7.5 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzSLK (R172)SLK 250 CDI	204 hp 152 kW	6.7 s	243 km/h 151 mph
Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8	230 hp 172 kW	7.7 s	223 km/h 139 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Mercedes-BenzSLK (R172)SLK 250 CDI

Power	204 hp 152 kW
0-100 km/h	6.7 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-BenzSL (R107)Facelift 1985560 SL CAT V8

Power	230 hp 172 kW
0-100 km/h	7.7 s
Top speed 223 km/h 139 mph

Doors/seats	2 doors 2 seats
Trunk	-
Length	4,580 mm 180.3 in
Height	1,300 mm 51.2 in

Detailed score breakdown

Vehicle

Mercedes-BenzSLK (R172)SLK 250 CDI

Mercedes-BenzSL (R107)Facelift 1985560 SL CAT V8

Power

204 hp

152 kW

230 hp

172 kW

Torque

500 Nm

369 lb-ft

373 Nm

275 lb-ft

Acceleration

6.7 s

7.7 s

Top speed

243 km/h

151 mph

223 km/h

139 mph

Lightness

1,515 kg

3,340 lb

1,715 kg

3,781 lb

Fuel consumption

5.0 L/100 km

47.0 mpg US

56.5 mpg UK

Practicality

Doors/seats	2 doors 2 seats
Trunk	225 L 7.9 cu ft
Length	4,134 mm 162.8 in
Height	1,301 mm 51.2 in

Doors/seats	2 doors 2 seats
Trunk	-
Length	4,580 mm 180.3 in
Height	1,300 mm 51.2 in

Range score

1,200 km

746 mi

CO2 score

132 g/km

Trunk score

225 L

7.9 cu ft

Power-to-weight score

135 hp/t

100 kW/t

7.4 kg/hp

134 hp/t

100 kW/t

7.5 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Mercedes-Benz SLK (R172) SLK 250 CDI
Consumption	5 L/100 km47 mpg US56.5 mpg UK
Cost / 100 km	8.75 LC100 km
Cost / 100 mi	14.08 LC100 mi
Annual fuel used	750 L198 US gal165 UK gal
Annual fuel cost	1,313 LC/year