Car comparison

AUDI TT Roadster (8S) · Facelift 2018 40 TFSIvsMercedes-Benz SLK (R172) SLK 250

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

New comparison

AUDI TT Roadster (8S) · Facelift 2018

40 TFSI

197 hp1984 ccGasolineFWDAutomaticTurbochargedRoadster2018-2023
VS

Mercedes-Benz SLK (R172)

SLK 250

204 hp1796 ccGasolineRWDAutomaticTurbochargedRoadster2011-2015

Comparison overview

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

Best choices

AUDI TT Roadster (8S) Facelift 2018 40 TFSI

  • Fastest top speed
    247 km/h
    153 mph
  • Highest torque
    320 Nm
    236 lb-ft
  • Lowest combined fuel consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Lowest city consumption
    8.3 L/100 km
    28.3 mpg US
    34.0 mpg UK
  • Lowest highway consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Best overall score
    48/100
  • Best performance score
    55/100
  • Best economy score
    90/100
  • Best practicality score
    32/100

Mercedes-Benz SLK (R172) SLK 250

  • Quickest 0-100 km/h
    6.6 s
  • Most powerful
    204 hp
    152 kW
  • Lightest
    1,425 kg
    3,142 lb
  • Best power-to-weight
    143 hp/t
    107 kW/t
    7.0 kg/hp
  • Best estimated range
    909 km
    565 mi

Specification comparison

Specification comparison
ModelAUDITT Roadster (8S)Facelift 201840 TFSIMercedes-BenzSLK (R172)SLK 250
Power
197hp147kW
204hp152kW
Torque
320Nm236lb-ft
310Nm229lb-ft
Curb weight
1,435kg3,164lb
1,425kg3,142lb
Gross weight
1,715kg3,781lb
1,815kg4,001lb
Top speed
247 km/h
153 mph
243 km/h
151 mph
To 99% top speed
88.2s99% target: 245 km/h / 152 mph
Calculated
80.9s99% target: 241 km/h / 149 mph
Calculated
0-100 km/h
6.9s
6.6s
0-200 km/h
26.8s
Calculated
26.0s
Calculated
0-60 mph
6.5s
Calculated
6.3s
Calculated
Fuel consumption
6.3L/100 km37.3mpg US44.8mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Fuel consumption city
8.3L/100 km28.3mpg US34.0mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption highway
5.2L/100 km45.2mpg US54.3mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
Quarter mile
14.9s
Calculated
14.6s
Calculated
Power-to-weight
137hp/t102kW/t62hp/1000 lb
Calculated
143hp/t107kW/t65hp/1000 lb
Calculated
Torque-to-weight
223Nm/t149lb-ft/ton
Calculated
218Nm/t146lb-ft/ton
Calculated
Estimated range
794km493mi
Calculated
909km565mi
Calculated
Displacement
1,984cc121cu in
1,796cc110cu in
Length
4,191mm165in
4,134mm163in
Width
1,832mm72in
1,810mm71in
Height
1,355mm53in
1,303mm51in
Wheelbase
2,505mm99in
2,430mm96in
Front track
1,572mm62in
1,551mm61in
Rear track
1,552mm61in
1,568mm62in
Trunk volume-
225L
Max trunk volume-
335L
Doors
2
2
Seats
2
2
Fuel tank
50L
60L
CO2 emissions
145g/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.

AUDI TT Roadster (8S) Facelift 2018 40 TFSIMercedes-Benz SLK (R172) SLK 250PowerTorque
  • AUDI TT Roadster (8S) Facelift 2018 40 TFSI: Power / Torque
  • Mercedes-Benz SLK (R172) SLK 250: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDITT Roadster (8S)Facelift 201840 TFSI4,400-6,000 rpm1,500-4,300 rpm6,250 rpm
Mercedes-BenzSLK (R172)SLK 2505,500 rpm2,000-4,300 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDITT Roadster (8S)Facelift 201840 TFSIMercedes-BenzSLK (R172)SLK 250
Acceleration checkpoints
0-60 mph
0-97 km/h
6.5 s
6.3 s
0-100 km/h
0-62 mph
6.9 s
6.6 s
0-200 km/h
0-124 mph
26.8 s
26.0 s
Top speed
247 km/h
153 mph
243 km/h
151 mph
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.5 s
6.4 s
1/8 mile
201 m
9.8 s
9.6 s
1000 ft
305 m
12.6 s
12.3 s
1/4 mile
402 m
14.9 s
14.6 s
Trap speed
1/4 mile
402 m
156 km/h
97 mph
158 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8S)Facelift 201840 TFSI
197 hp
147 kW
Mercedes-BenzSLK (R172)SLK 250
204 hp
152 kW

Mercedes-Benz SLK (R172) SLK 250 has 7 hp more than AUDI TT Roadster (8S) Facelift 2018 40 TFSI.

The biggest power difference is between AUDI TT Roadster (8S) Facelift 2018 40 TFSI and Mercedes-Benz SLK (R172) SLK 250: 7 hp (5 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8S)Facelift 201840 TFSI
320 Nm
236 lb-ft
Mercedes-BenzSLK (R172)SLK 250
310 Nm
229 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8S)Facelift 201840 TFSI
1,435 kg
3,164 lb
Mercedes-BenzSLK (R172)SLK 250
1,425 kg
3,142 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8S)Facelift 201840 TFSI
247 km/h
153 mph
Mercedes-BenzSLK (R172)SLK 250
243 km/h
151 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8S)Facelift 201840 TFSI6.9 s
Mercedes-BenzSLK (R172)SLK 2506.6 s

The biggest 0-100 km/h difference is between Mercedes-Benz SLK (R172) SLK 250 and AUDI TT Roadster (8S) Facelift 2018 40 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
AUDITT Roadster (8S)Facelift 201840 TFSI
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
Mercedes-BenzSLK (R172)SLK 250
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8S)Facelift 201840 TFSI
137 hp/t
102 kW/t
7.3 kg/hp
Mercedes-BenzSLK (R172)SLK 250
143 hp/t
107 kW/t
7.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8S)Facelift 201840 TFSI
794 km
493 mi
Mercedes-BenzSLK (R172)SLK 250
909 km
565 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDITT Roadster (8S)Facelift 201840 TFSI
197 hp
147 kW
6.9 s
247 km/h
153 mph
Mercedes-BenzSLK (R172)SLK 250
204 hp
152 kW
6.6 s
243 km/h
151 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
AUDITT Roadster (8S)Facelift 201840 TFSI
Power
197 hp
147 kW
0-100 km/h6.9 s
Top speed
247 km/h
153 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,191 mm
165.0 in
Height
1,355 mm
53.3 in
Mercedes-BenzSLK (R172)SLK 250
Power
204 hp
152 kW
0-100 km/h6.6 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
1,303 mm
51.3 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
AUDITT Roadster (8S)Facelift 201840 TFSI
Power
197 hp
147 kW
0-100 km/h6.9 s
Top speed
247 km/h
153 mph
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
Mercedes-BenzSLK (R172)SLK 250
Power
204 hp
152 kW
0-100 km/h6.6 s
Top speed
243 km/h
151 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

AUDI TT Roadster (8S) Facelift 2018 40 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
VehicleFuel consumption, L/100 km0-100 km/h, s
AUDITT Roadster (8S)Facelift 201840 TFSI
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
6.9 s
Mercedes-BenzSLK (R172)SLK 250
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
6.6 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
AUDITT Roadster (8S)Facelift 201840 TFSI
137 hp/t
102 kW/t
7.3 kg/hp
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
Mercedes-BenzSLK (R172)SLK 250
143 hp/t
107 kW/t
7.0 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDITT Roadster (8S)Facelift 201840 TFSIMercedes-BenzSLK (R172)SLK 250
Power
197 hp
147 kW
204 hp
152 kW
Torque
320 Nm
236 lb-ft
310 Nm
229 lb-ft
Acceleration
6.9 s
6.6 s
Top speed
247 km/h
153 mph
243 km/h
151 mph
Lightness
1,435 kg
3,164 lb
1,425 kg
3,142 lb
Fuel consumption
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,191 mm
165.0 in
Height
1,355 mm
53.3 in
Doors/seats
2 doors
2 seats
Trunk
225 L
7.9 cu ft
Length
4,134 mm
162.8 in
Height
1,303 mm
51.3 in
Range score
794 km
493 mi
909 km
565 mi
CO2 score
145 g/km
-
Trunk score
-
225 L
7.9 cu ft
Power-to-weight score
137 hp/t
102 kW/t
7.3 kg/hp
143 hp/t
107 kW/t
7.0 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
VehicleAUDI TT Roadster (8S) Facelift 2018 40 TFSIMercedes-Benz SLK (R172) SLK 250
Consumption6.3 L/100 km37.3 mpg US44.8 mpg UK6.6 L/100 km35.6 mpg US42.8 mpg UK
Cost / 100 km11.03 LC100 km11.55 LC100 km
Cost / 100 mi17.74 LC100 mi18.59 LC100 mi
Annual fuel used945 L250 US gal208 UK gal990 L262 US gal218 UK gal
Annual fuel cost1,654 LC/year1,733 LC/year

Head-to-head comparisons

AUDI TT Roadster (8S) Facelift 2018 40 TFSI

  • Has 10 Nm more
  • Has 4 km/h (2 mph) higher top speed
  • Uses 0.3 L/100 km less fuel

Pros

  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption

Cons

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

Mercedes-Benz SLK (R172) SLK 250

  • Has 7 hp more
  • Is 10 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 6 hp/t better power-to-weight
  • Has 115 km (72 mi) more estimated range

Pros

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

Cons

  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI TT Roadster (8S) 40 TFSI
Mercedes-Benz SLK (R172) SLK 250
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2 vehicles selected

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