Car comparison

Mercedes-Benz SLK (R172) SLK 250vsAUDI TT Roadster (8J) 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

204 hp1796 ccGasolineRWDManualTurbochargedRoadster2011-2015
VS

AUDI TT Roadster (8J)

2.0 TFSI

200 hp1984 ccGasolineFWDAutomaticTurbochargedRoadster2006-2010

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
    6.5 s
  • Fastest top speed
    244 km/h
    152 mph
  • Most powerful
    204 hp
    152 kW
  • Highest torque
    310 Nm
    229 lb-ft
  • Lowest combined fuel consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Lowest city consumption
    9.8 L/100 km
    24.0 mpg US
    28.8 mpg UK
  • Lowest highway consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest CO2 emissions
    169 g/km
  • Best estimated range
    822 km
    511 mi
  • Best overall score
    47/100
  • Best performance score
    55/100
  • Best economy score
    87/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R172)SLK 250AUDITT Roadster (8J)2.0 TFSI
Power
204hp152kW
200hp149kW
Torque
310Nm229lb-ft
280Nm207lb-ft
Curb weight
1,400kg3,086lb
1,315kg2,899lb
Gross weight
1,790kg3,946lb
1,635kg3,605lb
Top speed
244 km/h
152 mph
237 km/h
147 mph
To 99% top speed
79.7s99% target: 242 km/h / 150 mph
Calculated
76.9s99% target: 235 km/h / 146 mph
Calculated
0-100 km/h
6.5s
6.5s
0-200 km/h
25.4s
Calculated
26.8s
Calculated
0-60 mph
6.2s
Calculated
6.2s
Calculated
Fuel consumption
7.3L/100 km32.2mpg US38.7mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption city
9.8L/100 km24mpg US28.8mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption highway
5.8L/100 km40.6mpg US48.7mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Quarter mile
14.6s
Calculated
14.6s
Calculated
Power-to-weight
146hp/t109kW/t66hp/1000 lb
Calculated
152hp/t113kW/t69hp/1000 lb
Calculated
Torque-to-weight
221Nm/t148lb-ft/ton
Calculated
213Nm/t142lb-ft/ton
Calculated
Estimated range
822km511mi
Calculated
705km438mi
Calculated
Displacement
1,796cc110cu in
1,984cc121cu in
Length
4,134mm163in
4,178mm164in
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
-
Doors
2
2
Seats
2
2
Fuel tank
60L
55L
CO2 emissions
169g/km
186g/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 250AUDI TT Roadster (8J) 2.0 TFSIPowerTorque
  • Mercedes-Benz SLK (R172) SLK 250: Power / Torque
  • AUDI TT Roadster (8J) 2.0 TFSI: 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
AUDITT Roadster (8J)2.0 TFSI5,100-6,000 rpm1,800-5,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLK (R172)SLK 250AUDITT Roadster (8J)2.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
6.2 s
6.2 s
0-100 km/h
0-62 mph
6.5 s
6.5 s
0-200 km/h
0-124 mph
25.4 s
26.8 s
Top speed
244 km/h
152 mph
237 km/h
147 mph
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.3 s
6.3 s
1/8 mile
201 m
9.5 s
9.5 s
1000 ft
305 m
12.3 s
12.3 s
1/4 mile
402 m
14.6 s
14.6 s
Trap speed
1/4 mile
402 m
159 km/h
99 mph
158 km/h
98 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
AUDITT Roadster (8J)2.0 TFSI
200 hp
149 kW

Mercedes-Benz SLK (R172) SLK 250 has 4 hp more than AUDI TT Roadster (8J) 2.0 TFSI.

The biggest power difference is between AUDI TT Roadster (8J) 2.0 TFSI and Mercedes-Benz SLK (R172) SLK 250: 4 hp (3 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
AUDITT Roadster (8J)2.0 TFSI
280 Nm
207 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
1,400 kg
3,086 lb
AUDITT Roadster (8J)2.0 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
244 km/h
152 mph
AUDITT Roadster (8J)2.0 TFSI
237 km/h
147 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 2506.5 s
AUDITT Roadster (8J)2.0 TFSI6.5 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
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
AUDITT Roadster (8J)2.0 TFSI
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLK (R172) SLK 250 and AUDI TT Roadster (8J) 2.0 TFSI: 0.5 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
146 hp/t
109 kW/t
6.9 kg/hp
AUDITT Roadster (8J)2.0 TFSI
152 hp/t
113 kW/t
6.6 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
822 km
511 mi
AUDITT Roadster (8J)2.0 TFSI
705 km
438 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
6.5 s
244 km/h
152 mph
AUDITT Roadster (8J)2.0 TFSI
200 hp
149 kW
6.5 s
237 km/h
147 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/h6.5 s
Top speed
244 km/h
152 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)2.0 TFSI
Power
200 hp
149 kW
0-100 km/h6.5 s
Top speed
237 km/h
147 mph
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,178 mm
164.5 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
Power
204 hp
152 kW
0-100 km/h6.5 s
Top speed
244 km/h
152 mph
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
AUDITT Roadster (8J)2.0 TFSI
Power
200 hp
149 kW
0-100 km/h6.5 s
Top speed
237 km/h
147 mph
7.8 L/100 km
30.2 mpg US
36.2 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
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
6.5 s
AUDITT Roadster (8J)2.0 TFSI
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
6.5 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
146 hp/t
109 kW/t
6.9 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
AUDITT Roadster (8J)2.0 TFSI
152 hp/t
113 kW/t
6.6 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSLK (R172)SLK 250AUDITT Roadster (8J)2.0 TFSI
Power
204 hp
152 kW
200 hp
149 kW
Torque
310 Nm
229 lb-ft
280 Nm
207 lb-ft
Acceleration
6.5 s
6.5 s
Top speed
244 km/h
152 mph
237 km/h
147 mph
Lightness
1,400 kg
3,086 lb
1,315 kg
2,899 lb
Fuel consumption
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
7.8 L/100 km
30.2 mpg US
36.2 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
4,178 mm
164.5 in
Height
1,358 mm
53.5 in
Range score
822 km
511 mi
705 km
438 mi
CO2 score
169 g/km
186 g/km
Trunk score
225 L
7.9 cu ft
250 L
8.8 cu ft
Power-to-weight score
146 hp/t
109 kW/t
6.9 kg/hp
152 hp/t
113 kW/t
6.6 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 250AUDI TT Roadster (8J) 2.0 TFSI
Consumption7.3 L/100 km32.2 mpg US38.7 mpg UK7.8 L/100 km30.2 mpg US36.2 mpg UK
Cost / 100 km12.78 LC100 km13.65 LC100 km
Cost / 100 mi20.56 LC100 mi21.97 LC100 mi
Annual fuel used1,095 L289 US gal241 UK gal1,170 L309 US gal257 UK gal
Annual fuel cost1,916 LC/year2,048 LC/year

Head-to-head comparisons

Mercedes-Benz SLK (R172) SLK 250

  • Has 4 hp more
  • Has 30 Nm more
  • Has 7 km/h (4 mph) higher top speed
  • Uses 0.5 L/100 km less fuel
  • Has 117 km (73 mi) more estimated range
  • Emits 17 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Heaviest
  • Smallest trunk

AUDI TT Roadster (8J) 2.0 TFSI

  • Is 85 kg lighter
  • Has 6 hp/t better power-to-weight
  • Has 25 L more trunk volume

Pros

  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power
  • 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
AUDI TT Roadster (8J) 2.0 TFSI
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