Car comparison

AUDI TT Roadster (8N) 1.8 TvsMercedes-Benz SLK (R170) SLK 230 Kompressor

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

New comparison

AUDI TT Roadster (8N)

1.8 T

225 hp1781 ccGasolineAWDManualTurbochargedRoadster1998-2000
VS

Mercedes-Benz SLK (R170)

SLK 230 Kompressor

193 hp2295 ccGasolineRWDAutomaticSuperchargedRoadster1996-2000

Comparison overview

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

Best choices

AUDI TT Roadster (8N) 1.8 T

  • Quickest 0-100 km/h
    6.4 s
  • Fastest top speed
    243 km/h
    151 mph
  • Most powerful
    225 hp
    168 kW
  • Highest torque
    280 Nm
    207 lb-ft
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    12.6 L/100 km
    18.7 mpg US
    22.4 mpg UK
  • Best estimated range
    660 km
    410 mi
  • Largest trunk
    180 L
  • Best overall score
    46/100
  • Best performance score
    55/100
  • Best economy score
    82/100
  • Best practicality score
    28/100

Specification comparison

Specification comparison
ModelAUDITT Roadster (8N)1.8 TMercedes-BenzSLK (R170)SLK 230 Kompressor
Power
225hp168kW
193hp144kW
Torque
280Nm207lb-ft
280Nm207lb-ft
Curb weight
1,475kg3,252lb
1,250kg2,756lb
Gross weight
1,775kg3,913lb
1,585kg3,494lb
Top speed
243 km/h
151 mph
227 km/h
141 mph
To 99% top speed
83.5s99% target: 241 km/h / 149 mph
Calculated
77.1s99% target: 225 km/h / 140 mph
Calculated
0-100 km/h
6.4s
7.3s
0-200 km/h
26.1s
Calculated
32.0s
Calculated
0-60 mph
6.1s
Calculated
6.9s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city
12.6L/100 km18.7mpg US22.4mpg UK
13.6L/100 km17.3mpg US20.8mpg UK
Fuel consumption highway
7.6L/100 km30.9mpg US37.2mpg UK
7L/100 km33.6mpg US40.4mpg UK
Quarter mile
14.5s
Calculated
15.2s
Calculated
Power-to-weight
153hp/t114kW/t69hp/1000 lb
Calculated
154hp/t115kW/t70hp/1000 lb
Calculated
Torque-to-weight
190Nm/t127lb-ft/ton
Calculated
224Nm/t150lb-ft/ton
Calculated
Estimated range
660km410mi
Calculated
558km347mi
Calculated
Displacement
1,781cc109cu in
2,295cc140cu in
Length
4,041mm159in
3,995mm157in
Width
1,764mm69in
1,715mm68in
Height
1,348mm53in
1,284mm51in
Wheelbase
2,429mm96in
2,400mm94in
Front track
1,528mm60in
1,488mm59in
Rear track
1,505mm59in
1,485mm58in
Trunk volume
180L
145L
Max trunk volume-
348L
Doors
2
2
Seats
2
2
Fuel tank
62L
53L
CO2 emissions
226g/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 (8N) 1.8 TMercedes-Benz SLK (R170) SLK 230 KompressorPowerTorque
  • AUDI TT Roadster (8N) 1.8 T: Power / Torque
  • Mercedes-Benz SLK (R170) SLK 230 Kompressor: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDITT Roadster (8N)1.8 T5,900 rpm2,200 rpm6,150 rpm
Mercedes-BenzSLK (R170)SLK 230 Kompressor5,300 rpm2,500-4,800 rpm5,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDITT Roadster (8N)1.8 TMercedes-BenzSLK (R170)SLK 230 Kompressor
Acceleration checkpoints
0-60 mph
0-97 km/h
6.1 s
6.9 s
0-100 km/h
0-62 mph
6.4 s
7.3 s
0-200 km/h
0-124 mph
26.1 s
32.0 s
Top speed
243 km/h
151 mph
227 km/h
141 mph
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
6.3 s
6.7 s
1/8 mile
201 m
9.5 s
10.0 s
1000 ft
305 m
12.2 s
12.9 s
1/4 mile
402 m
14.5 s
15.2 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
152 km/h
95 mph

Power comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8N)1.8 T
225 hp
168 kW
Mercedes-BenzSLK (R170)SLK 230 Kompressor
193 hp
144 kW

AUDI TT Roadster (8N) 1.8 T has 32 hp more than Mercedes-Benz SLK (R170) SLK 230 Kompressor.

The biggest power difference is between Mercedes-Benz SLK (R170) SLK 230 Kompressor and AUDI TT Roadster (8N) 1.8 T: 32 hp (24 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8N)1.8 T
280 Nm
207 lb-ft
Mercedes-BenzSLK (R170)SLK 230 Kompressor
280 Nm
207 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8N)1.8 T
1,475 kg
3,252 lb
Mercedes-BenzSLK (R170)SLK 230 Kompressor
1,250 kg
2,756 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 (8N)1.8 T
243 km/h
151 mph
Mercedes-BenzSLK (R170)SLK 230 Kompressor
227 km/h
141 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8N)1.8 T6.4 s
Mercedes-BenzSLK (R170)SLK 230 Kompressor7.3 s

The biggest 0-100 km/h difference is between AUDI TT Roadster (8N) 1.8 T and Mercedes-Benz SLK (R170) SLK 230 Kompressor: 0.9 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 (8N)1.8 T
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Mercedes-BenzSLK (R170)SLK 230 Kompressor
9.5 L/100 km
24.8 mpg US
29.7 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 (8N)1.8 T
153 hp/t
114 kW/t
6.6 kg/hp
Mercedes-BenzSLK (R170)SLK 230 Kompressor
154 hp/t
115 kW/t
6.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8N)1.8 T
660 km
410 mi
Mercedes-BenzSLK (R170)SLK 230 Kompressor
558 km
347 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDITT Roadster (8N)1.8 T
225 hp
168 kW
6.4 s
243 km/h
151 mph
Mercedes-BenzSLK (R170)SLK 230 Kompressor
193 hp
144 kW
7.3 s
227 km/h
141 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 (8N)1.8 T
Power
225 hp
168 kW
0-100 km/h6.4 s
Top speed
243 km/h
151 mph
Doors/seats
2 doors
2 seats
Trunk
180 L
6.4 cu ft
Length
4,041 mm
159.1 in
Height
1,348 mm
53.1 in
Mercedes-BenzSLK (R170)SLK 230 Kompressor
Power
193 hp
144 kW
0-100 km/h7.3 s
Top speed
227 km/h
141 mph
Doors/seats
2 doors
2 seats
Trunk
145 L
5.1 cu ft
Length
3,995 mm
157.3 in
Height
1,284 mm
50.6 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 (8N)1.8 T
Power
225 hp
168 kW
0-100 km/h6.4 s
Top speed
243 km/h
151 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Mercedes-BenzSLK (R170)SLK 230 Kompressor
Power
193 hp
144 kW
0-100 km/h7.3 s
Top speed
227 km/h
141 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

AUDI TT Roadster (8N) 1.8 T 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 (8N)1.8 T
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
6.4 s
Mercedes-BenzSLK (R170)SLK 230 Kompressor
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
7.3 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
AUDITT Roadster (8N)1.8 T
153 hp/t
114 kW/t
6.6 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Mercedes-BenzSLK (R170)SLK 230 Kompressor
154 hp/t
115 kW/t
6.5 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDITT Roadster (8N)1.8 TMercedes-BenzSLK (R170)SLK 230 Kompressor
Power
225 hp
168 kW
193 hp
144 kW
Torque
280 Nm
207 lb-ft
280 Nm
207 lb-ft
Acceleration
6.4 s
7.3 s
Top speed
243 km/h
151 mph
227 km/h
141 mph
Lightness
1,475 kg
3,252 lb
1,250 kg
2,756 lb
Fuel consumption
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
180 L
6.4 cu ft
Length
4,041 mm
159.1 in
Height
1,348 mm
53.1 in
Doors/seats
2 doors
2 seats
Trunk
145 L
5.1 cu ft
Length
3,995 mm
157.3 in
Height
1,284 mm
50.6 in
Range score
660 km
410 mi
558 km
347 mi
CO2 score
226 g/km
-
Trunk score
180 L
6.4 cu ft
145 L
5.1 cu ft
Power-to-weight score
153 hp/t
114 kW/t
6.6 kg/hp
154 hp/t
115 kW/t
6.5 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 (8N) 1.8 TMercedes-Benz SLK (R170) SLK 230 Kompressor
Consumption9.4 L/100 km25 mpg US30.1 mpg UK9.5 L/100 km24.8 mpg US29.7 mpg UK
Cost / 100 km16.45 LC100 km16.63 LC100 km
Cost / 100 mi26.47 LC100 mi26.76 LC100 mi
Annual fuel used1,410 L372 US gal310 UK gal1,425 L376 US gal313 UK gal
Annual fuel cost2,468 LC/year2,494 LC/year

Head-to-head comparisons

AUDI TT Roadster (8N) 1.8 T

  • Has 32 hp more
  • Is 0.9 s quicker from 0-100 km/h
  • Has 16 km/h (10 mph) higher top speed
  • Uses 0.1 L/100 km less fuel
  • Has 102 km (63 mi) more estimated range
  • Has 35 L more trunk volume

Pros

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

Cons

  • Heaviest

Mercedes-Benz SLK (R170) SLK 230 Kompressor

  • Is 225 kg lighter
  • Has 2 hp/t better power-to-weight

Pros

  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI TT Roadster (8N) 1.8 T
Mercedes-Benz SLK (R170) SLK 230 Kompressor
Compare selected cars
2 vehicles selected

Popular comparisons

1.8 T
1.8 T
VS
AUDITT Roadster (8N)1.8 TvsAUDITT Roadster (8N)Facelift 20001.8 T
SLK 230 Kompressor
SLK 200 1.8
VS
Mercedes-BenzSLK (R170)SLK 230 KompressorvsMercedes-BenzSLK (R172)SLK 200 1.8
1.8 T
1.8 T
VS
AUDITT Roadster (8N)1.8 TvsAUDITT Coupe (8N)1.8 T
SLK 230 Kompressor
SLK 350 V6
VS
Mercedes-BenzSLK (R170)SLK 230 KompressorvsMercedes-BenzSLK (R171)SLK 350 V6
1.8 T
2.0 TFSI
VS
AUDITT Roadster (8N)1.8 TvsAUDITT Roadster (8J)2.0 TFSI
SLK 230 Kompressor
AMG SLK 32 V6
VS
Mercedes-BenzSLK (R170)SLK 230 KompressorvsMercedes-BenzSLK (R170)Facelift 2000AMG SLK 32 V6
1.8 T
2.0 TFSI
VS
AUDITT Roadster (8N)1.8 TvsAUDITT Roadster (8S)2.0 TFSI
SLK 230 Kompressor
SLK 350 V6
VS
Mercedes-BenzSLK (R170)SLK 230 KompressorvsMercedes-BenzSLK (R171)Facelift 2008SLK 350 V6
1.8 T
2.0 TFSI
VS
AUDITT Roadster (8N)1.8 TvsAUDITT Roadster (8J)Facelift 20102.0 TFSI
SLK 230 Kompressor
2.8
VS
Mercedes-BenzSLK (R170)SLK 230 KompressorvsBMWZ3 (E36/7)2.8
1.8 T
45 TFSI
VS
AUDITT Roadster (8N)1.8 TvsAUDITT Roadster (8S)Facelift 201845 TFSI
SLK 230 Kompressor
SL 500 V8
VS
Mercedes-BenzSLK (R170)SLK 230 KompressorvsMercedes-BenzSL (R129)Facelift 1995SL 500 V8
AUDI TT Roadster (8N) 1.8 T vs Mercedes-Benz SLK (R170) SLK 230 Kompressor - car comparison - FastVsFaster