Car comparison

Mercedes-Benz SLK (R172) AMG SLK 55 V8vsDonkervoort D8 GTO GTO-S 2.5 TFSI

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

Donkervoort D8 GTO

GTO-S 2.5 TFSI

360 hp2480 ccGasolineRWDManualTurbochargedRoadster2016-present

Comparison overview

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

Donkervoort D8 GTO GTO-S 2.5 TFSI

Quickest 0-100 km/h
3.3 s
Lightest
740 kg
1,631 lb
Best power-to-weight
486 hp/t
363 kW/t
2.1 kg/hp
Lowest combined fuel consumption
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
Lowest CO2 emissions
178 g/km
Largest trunk
250 L
Best economy score
85/100

Mercedes-Benz SLK (R172) AMG SLK 55 V8

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 estimated range
833 km
518 mi
Best overall score
62/100
Best performance score
78/100
Best practicality score
29/100

Specification comparison

Specification comparison
Model	Mercedes-BenzSLK (R172)AMG SLK 55 V8	DonkervoortD8 GTOGTO-S 2.5 TFSI
Power	421hp314kW	360hp268kW
Torque	540Nm398lb-ft	450Nm332lb-ft
Curb weight	1,535kg3,384lb	740kg1,631lb
Gross weight	1,910kg4,211lb	-
Top speed	Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Calculated	255 km/h 158 mph
To 99% top speed	58.1s99% target: 267 km/h / 166 mph Calculated	31.2s99% target: 252 km/h / 157 mph Calculated
0-100 km/h	4.6s	3.3s
0-200 km/h	15.0s Calculated	10.3s Calculated
0-60 mph	4.4s Calculated	3.2s Calculated
Fuel consumption	8.4L/100 km28mpg US33.6mpg UK	8L/100 km29.4mpg US35.3mpg UK
Fuel consumption city	12L/100 km19.6mpg US23.5mpg UK	-
Fuel consumption highway	6.2L/100 km37.9mpg US45.6mpg UK	-
Quarter mile	12.6s Calculated	11.1s Calculated
Power-to-weight	274hp/t205kW/t124hp/1000 lb Calculated	486hp/t363kW/t221hp/1000 lb Calculated
Torque-to-weight	352Nm/t235lb-ft/ton Calculated	608Nm/t407lb-ft/ton Calculated
Estimated range	833km518mi Calculated	600km373mi Calculated
Displacement	5,461cc333cu in	2,480cc151cu in
Length	4,134mm163in	3,740mm147in
Width	1,810mm71in	1,850mm73in
Height	1,301mm51in	1,140mm45in
Wheelbase	2,430mm96in	2,350mm93in
Front track	1,559mm61in	1,515mm60in
Rear track	1,565mm62in	1,585mm62in
Trunk volume	225L	250L
Max trunk volume	335L	-
Doors	2	2
Seats	2	2
Fuel tank	70L	48L
CO2 emissions	195g/km	178g/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 V8Donkervoort D8 GTO GTO-S 2.5 TFSIPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzSLK (R172)AMG SLK 55 V8	6,800 rpm	4,500 rpm	7,050 rpm
DonkervoortD8 GTOGTO-S 2.5 TFSI	5,400 rpm	2,000 rpm	5,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzSLK (R172)AMG SLK 55 V8	DonkervoortD8 GTOGTO-S 2.5 TFSI
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.4 s	3.2 s
0-100 km/h 0-62 mph	4.6 s	3.3 s
0-200 km/h 0-124 mph	15.0 s	10.3 s
Top speed	Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Limited	255 km/h 158 mph
	Drag race simulation
60 ft 18 m	2.2 s	1.9 s
330 ft 101 m	5.6 s	4.9 s
1/8 mile 201 m	8.3 s	7.2 s
1000 ft 305 m	10.7 s	9.3 s
1/4 mile 402 m	12.6 s	11.1 s
Trap speed 1/4 mile 402 m	185 km/h 115 mph	206 km/h 128 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)AMG SLK 55 V8	421 hp 314 kW
DonkervoortD8 GTOGTO-S 2.5 TFSI	360 hp 268 kW

Mercedes-Benz SLK (R172) AMG SLK 55 V8 has 61 hp more than Donkervoort D8 GTO GTO-S 2.5 TFSI.

The biggest power difference is between Donkervoort D8 GTO GTO-S 2.5 TFSI and Mercedes-Benz SLK (R172) AMG SLK 55 V8: 61 hp (45 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)AMG SLK 55 V8	540 Nm 398 lb-ft
DonkervoortD8 GTOGTO-S 2.5 TFSI	450 Nm 332 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)AMG SLK 55 V8	1,535 kg 3,384 lb
DonkervoortD8 GTOGTO-S 2.5 TFSI	740 kg 1,631 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)AMG SLK 55 V8	Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph
DonkervoortD8 GTOGTO-S 2.5 TFSI	255 km/h 158 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)AMG SLK 55 V8	4.6 s
DonkervoortD8 GTOGTO-S 2.5 TFSI	3.3 s

Although Mercedes-Benz SLK (R172) AMG SLK 55 V8 has more power, Donkervoort D8 GTO GTO-S 2.5 TFSI is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Donkervoort D8 GTO GTO-S 2.5 TFSI and Mercedes-Benz SLK (R172) AMG SLK 55 V8: 1.3 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)AMG SLK 55 V8	8.4 L/100 km 28.0 mpg US 33.6 mpg UK
DonkervoortD8 GTOGTO-S 2.5 TFSI	8.0 L/100 km 29.4 mpg US 35.3 mpg UK

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)AMG SLK 55 V8	274 hp/t 205 kW/t 3.6 kg/hp
DonkervoortD8 GTOGTO-S 2.5 TFSI	486 hp/t 363 kW/t 2.1 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSLK (R172)AMG SLK 55 V8	833 km 518 mi
DonkervoortD8 GTOGTO-S 2.5 TFSI	600 km 373 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top 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
DonkervoortD8 GTOGTO-S 2.5 TFSI	360 hp 268 kW	3.3 s	255 km/h 158 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)AMG SLK 55 V8

Power	421 hp 314 kW
0-100 km/h	4.6 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

DonkervoortD8 GTOGTO-S 2.5 TFSI

Power	360 hp 268 kW
0-100 km/h	3.3 s
Top speed 255 km/h 158 mph

Doors/seats	2 doors 2 seats
Trunk	250 L 8.8 cu ft
Length	3,740 mm 147.2 in
Height	1,140 mm 44.9 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

Mercedes-BenzSLK (R172)AMG SLK 55 V8

Power	421 hp 314 kW
0-100 km/h	4.6 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

DonkervoortD8 GTOGTO-S 2.5 TFSI

Power	360 hp 268 kW
0-100 km/h	3.3 s
Top speed 255 km/h 158 mph

8.0 L/100 km

29.4 mpg US

35.3 mpg UK

Donkervoort D8 GTO GTO-S 2.5 TFSI 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
Vehicle	Fuel consumption, L/100 km	0-100 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
DonkervoortD8 GTOGTO-S 2.5 TFSI	8.0 L/100 km 29.4 mpg US 35.3 mpg UK	3.3 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
Vehicle	Power-to-weight, hp/t	Fuel 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
DonkervoortD8 GTOGTO-S 2.5 TFSI	486 hp/t 363 kW/t 2.1 kg/hp	8.0 L/100 km 29.4 mpg US 35.3 mpg UK

Detailed score breakdown

Vehicle

Mercedes-BenzSLK (R172)AMG SLK 55 V8

DonkervoortD8 GTOGTO-S 2.5 TFSI

Power

421 hp

314 kW

360 hp

268 kW

Torque

540 Nm

398 lb-ft

450 Nm

332 lb-ft

Acceleration

4.6 s

3.3 s

Top speed

Unrestricted

270 km/h168 mph

Restricted

250 km/h155 mph

255 km/h

158 mph

Lightness

1,535 kg

3,384 lb

740 kg

1,631 lb

Fuel consumption

8.4 L/100 km

28.0 mpg US

33.6 mpg UK

8.0 L/100 km

29.4 mpg US

35.3 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	250 L 8.8 cu ft
Length	3,740 mm 147.2 in
Height	1,140 mm 44.9 in

Range score

833 km

518 mi

600 km

373 mi

CO2 score

195 g/km

178 g/km

Trunk score

225 L

7.9 cu ft

250 L

8.8 cu ft

Power-to-weight score

274 hp/t

205 kW/t

3.6 kg/hp

486 hp/t

363 kW/t

2.1 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) AMG SLK 55 V8	Donkervoort D8 GTO GTO-S 2.5 TFSI
Consumption	8.4 L/100 km28 mpg US33.6 mpg UK	8 L/100 km29.4 mpg US35.3 mpg UK
Cost / 100 km	14.70 LC100 km	14.00 LC100 km
Cost / 100 mi	23.66 LC100 mi	22.53 LC100 mi
Annual fuel used	1,260 L333 US gal277 UK gal	1,200 L317 US gal264 UK gal
Annual fuel cost	2,205 LC/year	2,100 LC/year