Car comparison

Mercedes-Benz SLK (R172) SLK 250 CDIvsAUDI TT Roadster (8J) · Facelift 2010 2.0 TFSI

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
VS

AUDI TT Roadster (8J) · Facelift 2010

2.0 TFSI

211 hp1984 ccGasolineFWDManualTurbochargedRoadster2010-2014

Comparison overview

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

Best choices

Mercedes-Benz SLK (R172) SLK 250 CDI

  • Fastest top speed
    243 km/h
    151 mph
  • Highest torque
    500 Nm
    369 lb-ft
  • Lowest combined fuel consumption
    5.0 L/100 km
    47.0 mpg US
    56.5 mpg UK
  • Lowest city consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest highway consumption
    4.3 L/100 km
    54.7 mpg US
    65.7 mpg UK
  • Lowest CO2 emissions
    132 g/km
  • Best estimated range
    1,200 km
    746 mi
  • Best overall score
    49/100
  • Best performance score
    58/100
  • Best economy score
    93/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R172)SLK 250 CDIAUDITT Roadster (8J)Facelift 20102.0 TFSI
Power
204hp152kW
211hp157kW
Torque
500Nm369lb-ft
350Nm258lb-ft
Curb weight
1,515kg3,340lb
1,315kg2,899lb
Gross weight
1,905kg4,200lb
1,635kg3,605lb
Top speed
243 km/h
151 mph
242 km/h
150 mph
To 99% top speed
81.6s99% target: 241 km/h / 149 mph
Calculated
76.2s99% target: 240 km/h / 149 mph
Calculated
0-100 km/h
6.7s
6.3s
0-200 km/h
26.3s
Calculated
24.9s
Calculated
0-60 mph
6.4s
Calculated
6.0s
Calculated
Fuel consumption
5L/100 km47mpg US56.5mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Fuel consumption city
6.2L/100 km37.9mpg US45.6mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption highway
4.3L/100 km54.7mpg US65.7mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
Quarter mile
14.7s
Calculated
14.4s
Calculated
Power-to-weight
135hp/t100kW/t61hp/1000 lb
Calculated
160hp/t120kW/t73hp/1000 lb
Calculated
Torque-to-weight
330Nm/t221lb-ft/ton
Calculated
266Nm/t178lb-ft/ton
Calculated
Estimated range
1,200km746mi
Calculated
821km510mi
Calculated
Displacement
2,143cc131cu in
1,984cc121cu in
Length
4,134mm163in
4,198mm165in
Width
1,810mm71in
1,842mm73in
Height
1,301mm51in
1,358mm53in
Wheelbase
2,430mm96in
2,468mm97in
Front track
1,559mm61in
1,572mm62in
Rear track
1,565mm62in
1,558mm61in
Trunk volume
225L
250L
Max trunk volume
335L
700L
Doors
2
2
Seats
2
2
Fuel tank
60L
55L
CO2 emissions
132g/km
156g/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 CDIAUDI TT Roadster (8J) Facelift 2010 2.0 TFSIPowerTorque
  • Mercedes-Benz SLK (R172) SLK 250 CDI: Power / Torque
  • AUDI TT Roadster (8J) Facelift 2010 2.0 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSLK (R172)SLK 250 CDI3,800 rpm1,600-1,800 rpm4,050 rpm
AUDITT Roadster (8J)Facelift 20102.0 TFSI4,500-6,200 rpm1,600-4,200 rpm6,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLK (R172)SLK 250 CDIAUDITT Roadster (8J)Facelift 20102.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
6.4 s
6.0 s
0-100 km/h
0-62 mph
6.7 s
6.3 s
0-200 km/h
0-124 mph
26.3 s
24.9 s
Top speed
243 km/h
151 mph
242 km/h
150 mph
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.4 s
6.3 s
1/8 mile
201 m
9.7 s
9.4 s
1000 ft
305 m
12.4 s
12.1 s
1/4 mile
402 m
14.7 s
14.4 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
161 km/h
100 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 250 CDI
204 hp
152 kW
AUDITT Roadster (8J)Facelift 20102.0 TFSI
211 hp
157 kW

AUDI TT Roadster (8J) Facelift 2010 2.0 TFSI has 7 hp more than Mercedes-Benz SLK (R172) SLK 250 CDI.

The biggest power difference is between Mercedes-Benz SLK (R172) SLK 250 CDI and AUDI TT Roadster (8J) Facelift 2010 2.0 TFSI: 7 hp (5 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 250 CDI
500 Nm
369 lb-ft
AUDITT Roadster (8J)Facelift 20102.0 TFSI
350 Nm
258 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 CDI
1,515 kg
3,340 lb
AUDITT Roadster (8J)Facelift 20102.0 TFSI
1,315 kg
2,899 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 CDI
243 km/h
151 mph
AUDITT Roadster (8J)Facelift 20102.0 TFSI
242 km/h
150 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 250 CDI6.7 s
AUDITT Roadster (8J)Facelift 20102.0 TFSI6.3 s

The biggest 0-100 km/h difference is between AUDI TT Roadster (8J) Facelift 2010 2.0 TFSI and Mercedes-Benz SLK (R172) SLK 250 CDI: 0.4 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 CDI
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
AUDITT Roadster (8J)Facelift 20102.0 TFSI
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLK (R172) SLK 250 CDI and AUDI TT Roadster (8J) Facelift 2010 2.0 TFSI: 1.7 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 CDI
135 hp/t
100 kW/t
7.4 kg/hp
AUDITT Roadster (8J)Facelift 20102.0 TFSI
160 hp/t
120 kW/t
6.2 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 CDI
1,200 km
746 mi
AUDITT Roadster (8J)Facelift 20102.0 TFSI
821 km
510 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLK (R172)SLK 250 CDI
204 hp
152 kW
6.7 s
243 km/h
151 mph
AUDITT Roadster (8J)Facelift 20102.0 TFSI
211 hp
157 kW
6.3 s
242 km/h
150 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 CDI
Power
204 hp
152 kW
0-100 km/h6.7 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
AUDITT Roadster (8J)Facelift 20102.0 TFSI
Power
211 hp
157 kW
0-100 km/h6.3 s
Top speed
242 km/h
150 mph
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,198 mm
165.3 in
Height
1,358 mm
53.5 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 CDI
Power
204 hp
152 kW
0-100 km/h6.7 s
Top speed
243 km/h
151 mph
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
AUDITT Roadster (8J)Facelift 20102.0 TFSI
Power
211 hp
157 kW
0-100 km/h6.3 s
Top speed
242 km/h
150 mph
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

Mercedes-Benz SLK (R172) SLK 250 CDI 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 CDI
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
6.7 s
AUDITT Roadster (8J)Facelift 20102.0 TFSI
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
6.3 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzSLK (R172)SLK 250 CDI
135 hp/t
100 kW/t
7.4 kg/hp
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
AUDITT Roadster (8J)Facelift 20102.0 TFSI
160 hp/t
120 kW/t
6.2 kg/hp
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLK (R172)SLK 250 CDIAUDITT Roadster (8J)Facelift 20102.0 TFSI
Power
204 hp
152 kW
211 hp
157 kW
Torque
500 Nm
369 lb-ft
350 Nm
258 lb-ft
Acceleration
6.7 s
6.3 s
Top speed
243 km/h
151 mph
242 km/h
150 mph
Lightness
1,515 kg
3,340 lb
1,315 kg
2,899 lb
Fuel consumption
5.0 L/100 km
47.0 mpg US
56.5 mpg UK
6.7 L/100 km
35.1 mpg US
42.2 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
4,198 mm
165.3 in
Height
1,358 mm
53.5 in
Range score
1,200 km
746 mi
821 km
510 mi
CO2 score
132 g/km
156 g/km
Trunk score
225 L
7.9 cu ft
250 L
8.8 cu ft
Power-to-weight score
135 hp/t
100 kW/t
7.4 kg/hp
160 hp/t
120 kW/t
6.2 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 250 CDIAUDI TT Roadster (8J) Facelift 2010 2.0 TFSI
Consumption5 L/100 km47 mpg US56.5 mpg UK6.7 L/100 km35.1 mpg US42.2 mpg UK
Cost / 100 km8.75 LC100 km11.73 LC100 km
Cost / 100 mi14.08 LC100 mi18.87 LC100 mi
Annual fuel used750 L198 US gal165 UK gal1,005 L265 US gal221 UK gal
Annual fuel cost1,313 LC/year1,759 LC/year

Head-to-head comparisons

Mercedes-Benz SLK (R172) SLK 250 CDI

  • Has 150 Nm more
  • Has 1 km/h (1 mph) higher top speed
  • Uses 1.7 L/100 km less fuel
  • Has 379 km (236 mi) more estimated range
  • Emits 24 g/km less CO2

Pros

  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Smallest trunk

AUDI TT Roadster (8J) Facelift 2010 2.0 TFSI

  • Has 7 hp more
  • Is 200 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 26 hp/t better power-to-weight
  • Has 25 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz SLK (R172) SLK 250 CDI
AUDI TT Roadster (8J) 2.0 TFSI
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