Car comparison

Mercedes-Benz SLK (R172) SLK 300vsAUDI TT Roadster (8S) 2.0 TFSI

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

New comparison

Mercedes-Benz SLK (R172)

SLK 300

245 hp1991 ccGasolineRWDAutomaticTurbochargedRoadster2015-2016
VS

AUDI TT Roadster (8S)

2.0 TFSI

230 hp1984 ccGasolineFWDAutomaticTurbochargedRoadster2014-2018

Comparison overview

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

Best choices

Mercedes-Benz SLK (R172) SLK 300

  • Quickest 0-100 km/h
    5.8 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    245 hp
    183 kW
  • Highest torque
    370 Nm
    273 lb-ft
  • Best power-to-weight
    171 hp/t
    128 kW/t
    5.8 kg/hp
  • Lowest combined fuel consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest city consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest highway consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Best estimated range
    968 km
    601 mi
  • Best performance score
    62/100
  • Best economy score
    90/100

Specification comparison

Specification comparison
ModelMercedes-BenzSLK (R172)SLK 300AUDITT Roadster (8S)2.0 TFSI
Power
245hp183kW
230hp172kW
Torque
370Nm273lb-ft
370Nm273lb-ft
Curb weight
1,430kg3,153lb
1,350kg2,976lb
Gross weight
1,820kg4,012lb
1,670kg3,682lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
74.9s99% target: 257 km/h / 160 mph
Calculated
81.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.8s
6.1s
0-200 km/h
20.4s
Calculated
21.8s
Calculated
0-60 mph
5.5s
Calculated
5.8s
Calculated
Fuel consumption
6.2L/100 km37.9mpg US45.6mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Fuel consumption city
7.8L/100 km30.2mpg US36.2mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Fuel consumption highway
5.2L/100 km45.2mpg US54.3mpg UK
5.6L/100 km42mpg US50.4mpg UK
Quarter mile
13.9s
Calculated
14.2s
Calculated
Power-to-weight
171hp/t128kW/t78hp/1000 lb
Calculated
170hp/t127kW/t77hp/1000 lb
Calculated
Torque-to-weight
259Nm/t173lb-ft/ton
Calculated
274Nm/t183lb-ft/ton
Calculated
Estimated range
968km601mi
Calculated
746km464mi
Calculated
Displacement
1,991cc121cu in
1,984cc121cu in
Length
4,134mm163in
4,177mm164in
Width
1,810mm71in
1,832mm72in
Height
1,301mm51in
1,355mm53in
Wheelbase
2,430mm96in
2,505mm99in
Front track
1,559mm61in
1,572mm62in
Rear track
1,565mm62in
1,552mm61in
Trunk volume
225L
280L
Max trunk volume
335L
-
Doors
2
2
Seats
2
2
Fuel tank
60L
50L
CO2 emissions-
155g/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 300AUDI TT Roadster (8S) 2.0 TFSIPowerTorque
  • Mercedes-Benz SLK (R172) SLK 300: Power / Torque
  • AUDI TT Roadster (8S) 2.0 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSLK (R172)SLK 3005,500 rpm1,300-4,000 rpm5,750 rpm
AUDITT Roadster (8S)2.0 TFSI4,500-6,200 rpm1,600-4,300 rpm6,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSLK (R172)SLK 300AUDITT Roadster (8S)2.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
5.5 s
5.8 s
0-100 km/h
0-62 mph
5.8 s
6.1 s
0-200 km/h
0-124 mph
20.4 s
21.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
6.1 s
6.2 s
1/8 mile
201 m
9.1 s
9.3 s
1000 ft
305 m
11.7 s
12.0 s
1/4 mile
402 m
13.9 s
14.2 s
Trap speed
1/4 mile
402 m
169 km/h
105 mph
165 km/h
103 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 300
245 hp
183 kW
AUDITT Roadster (8S)2.0 TFSI
230 hp
172 kW

Mercedes-Benz SLK (R172) SLK 300 has 15 hp more than AUDI TT Roadster (8S) 2.0 TFSI.

The biggest power difference is between AUDI TT Roadster (8S) 2.0 TFSI and Mercedes-Benz SLK (R172) SLK 300: 15 hp (11 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 300
370 Nm
273 lb-ft
AUDITT Roadster (8S)2.0 TFSI
370 Nm
273 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 300
1,430 kg
3,153 lb
AUDITT Roadster (8S)2.0 TFSI
1,350 kg
2,976 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 300
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDITT Roadster (8S)2.0 TFSI
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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 3005.8 s
AUDITT Roadster (8S)2.0 TFSI6.1 s

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R172) SLK 300 and AUDI TT Roadster (8S) 2.0 TFSI: 0.3 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 300
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
AUDITT Roadster (8S)2.0 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 300 and AUDI TT Roadster (8S) 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 300
171 hp/t
128 kW/t
5.8 kg/hp
AUDITT Roadster (8S)2.0 TFSI
170 hp/t
127 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzSLK (R172)SLK 300
968 km
601 mi
AUDITT Roadster (8S)2.0 TFSI
746 km
464 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSLK (R172)SLK 300
245 hp
183 kW
5.8 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDITT Roadster (8S)2.0 TFSI
230 hp
172 kW
6.1 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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 300
Power
245 hp
183 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 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
AUDITT Roadster (8S)2.0 TFSI
Power
230 hp
172 kW
0-100 km/h6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
280 L
9.9 cu ft
Length
4,177 mm
164.4 in
Height
1,355 mm
53.3 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 300
Power
245 hp
183 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
AUDITT Roadster (8S)2.0 TFSI
Power
230 hp
172 kW
0-100 km/h6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.7 L/100 km
35.1 mpg US
42.2 mpg UK

Mercedes-Benz SLK (R172) SLK 300 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 300
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
5.8 s
AUDITT Roadster (8S)2.0 TFSI
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
6.1 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 300
171 hp/t
128 kW/t
5.8 kg/hp
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
AUDITT Roadster (8S)2.0 TFSI
170 hp/t
127 kW/t
5.9 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 300AUDITT Roadster (8S)2.0 TFSI
Power
245 hp
183 kW
230 hp
172 kW
Torque
370 Nm
273 lb-ft
370 Nm
273 lb-ft
Acceleration
5.8 s
6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,430 kg
3,153 lb
1,350 kg
2,976 lb
Fuel consumption
6.2 L/100 km
37.9 mpg US
45.6 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
280 L
9.9 cu ft
Length
4,177 mm
164.4 in
Height
1,355 mm
53.3 in
Range score
968 km
601 mi
746 km
464 mi
CO2 score
-
155 g/km
Trunk score
225 L
7.9 cu ft
280 L
9.9 cu ft
Power-to-weight score
171 hp/t
128 kW/t
5.8 kg/hp
170 hp/t
127 kW/t
5.9 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 300AUDI TT Roadster (8S) 2.0 TFSI
Consumption6.2 L/100 km37.9 mpg US45.6 mpg UK6.7 L/100 km35.1 mpg US42.2 mpg UK
Cost / 100 km10.85 LC100 km11.73 LC100 km
Cost / 100 mi17.46 LC100 mi18.87 LC100 mi
Annual fuel used930 L246 US gal205 UK gal1,005 L265 US gal221 UK gal
Annual fuel cost1,628 LC/year1,759 LC/year

Head-to-head comparisons

Mercedes-Benz SLK (R172) SLK 300

  • Has 15 hp more
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 0.5 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 221 km (138 mi) more estimated range

Pros

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

Cons

  • Heaviest
  • Smallest trunk

AUDI TT Roadster (8S) 2.0 TFSI

  • Is 80 kg lighter
  • Has 55 L more trunk volume

Pros

  • Lightest
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz SLK (R172) SLK 300
AUDI TT Roadster (8S) 2.0 TFSI
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2 vehicles selected

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