Car comparison

AUDI TT Roadster (8J) 3.2i V6 24VvsBMW Z4 (E85) 3.0i

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

New comparison

AUDI TT Roadster (8J)

3.2i V6 24V

250 hp3189 ccGasolineAWDManualNaturally aspiratedRoadster2006-2010
VS

BMW Z4 (E85)

3.0i

231 hp2979 ccGasolineRWDAutomaticNaturally aspiratedRoadster2002-2006

Comparison overview

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

Best choices

BMW Z4 (E85) 3.0i

  • Lightest
    1,365 kg
    3,009 lb
  • Lowest combined fuel consumption
    9.5 L/100 km
    24.8 mpg US
    29.7 mpg UK
  • Lowest city consumption
    13.5 L/100 km
    17.4 mpg US
    20.9 mpg UK
  • Lowest highway consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Best estimated range
    579 km
    360 mi
  • Largest trunk
    300 L
  • Best economy score
    81/100
  • Best practicality score
    32/100

AUDI TT Roadster (8J) 3.2i V6 24V

  • Quickest 0-100 km/h
    6.1 s
  • Fastest top speed
    250 km/h
    155 mph
  • Most powerful
    250 hp
    186 kW
  • Highest torque
    320 Nm
    236 lb-ft
  • Best power-to-weight
    170 hp/t
    127 kW/t
    5.9 kg/hp
  • Best overall score
    50/100
  • Best performance score
    59/100

Specification comparison

Specification comparison
ModelAUDITT Roadster (8J)3.2i V6 24VBMWZ4 (E85)3.0i
Power
250hp186kW
231hp172kW
Torque
320Nm236lb-ft
300Nm221lb-ft
Curb weight
1,470kg3,241lb
1,365kg3,009lb
Gross weight
1,790kg3,946lb
1,590kg3,505lb
Top speed
250 km/h
155 mph
250 km/h
155 mph
To 99% top speed
78.8s99% target: 248 km/h / 154 mph
Calculated
76.1s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
6.1s
6.2s
0-200 km/h
23.2s
Calculated
23.0s
Calculated
0-60 mph
5.8s
Calculated
5.9s
Calculated
Fuel consumption
10.4L/100 km22.6mpg US27.2mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city
14.8L/100 km15.9mpg US19.1mpg UK
13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption highway
7.8L/100 km30.2mpg US36.2mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Quarter mile
14.2s
Calculated
14.3s
Calculated
Power-to-weight
170hp/t127kW/t77hp/1000 lb
Calculated
169hp/t126kW/t77hp/1000 lb
Calculated
Torque-to-weight
218Nm/t146lb-ft/ton
Calculated
220Nm/t147lb-ft/ton
Calculated
Estimated range
577km358mi
Calculated
579km360mi
Calculated
Displacement
3,189cc195cu in
2,979cc182cu in
Length
4,178mm164in
4,091mm161in
Width
1,842mm73in
1,781mm70in
Height
1,358mm53in
1,299mm51in
Wheelbase
2,468mm97in
2,495mm98in
Front track
1,572mm62in
1,473mm58in
Rear track
1,558mm61in
1,523mm60in
Trunk volume
250L
300L
Doors
2
2
Seats
2
2
Fuel tank
60L
55L
CO2 emissions
250g/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 (8J) 3.2i V6 24VBMW Z4 (E85) 3.0iPowerTorque
  • AUDI TT Roadster (8J) 3.2i V6 24V: Power / Torque
  • BMW Z4 (E85) 3.0i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDITT Roadster (8J)3.2i V6 24V6,300 rpm2,800-3,200 rpm6,550 rpm
BMWZ4 (E85)3.0i5,900 rpm3,500 rpm6,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDITT Roadster (8J)3.2i V6 24VBMWZ4 (E85)3.0i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.8 s
5.9 s
0-100 km/h
0-62 mph
6.1 s
6.2 s
0-200 km/h
0-124 mph
23.2 s
23.0 s
Top speed
250 km/h
155 mph
250 km/h
155 mph
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
6.2 s
6.3 s
1/8 mile
201 m
9.3 s
9.4 s
1000 ft
305 m
12.0 s
12.0 s
1/4 mile
402 m
14.2 s
14.3 s
Trap speed
1/4 mile
402 m
163 km/h
101 mph
163 km/h
102 mph

Power comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
250 hp
186 kW
BMWZ4 (E85)3.0i
231 hp
172 kW

AUDI TT Roadster (8J) 3.2i V6 24V has 19 hp more than BMW Z4 (E85) 3.0i.

The biggest power difference is between BMW Z4 (E85) 3.0i and AUDI TT Roadster (8J) 3.2i V6 24V: 19 hp (14 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
320 Nm
236 lb-ft
BMWZ4 (E85)3.0i
300 Nm
221 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
1,470 kg
3,241 lb
BMWZ4 (E85)3.0i
1,365 kg
3,009 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 (8J)3.2i V6 24V
250 km/h
155 mph
BMWZ4 (E85)3.0i
250 km/h
155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V6.1 s
BMWZ4 (E85)3.0i6.2 s

The biggest 0-100 km/h difference is between AUDI TT Roadster (8J) 3.2i V6 24V and BMW Z4 (E85) 3.0i: 0.1 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 (8J)3.2i V6 24V
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
BMWZ4 (E85)3.0i
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

The biggest fuel consumption difference is between BMW Z4 (E85) 3.0i and AUDI TT Roadster (8J) 3.2i V6 24V: 0.9 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
AUDITT Roadster (8J)3.2i V6 24V
170 hp/t
127 kW/t
5.9 kg/hp
BMWZ4 (E85)3.0i
169 hp/t
126 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDITT Roadster (8J)3.2i V6 24V
577 km
358 mi
BMWZ4 (E85)3.0i
579 km
360 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDITT Roadster (8J)3.2i V6 24V
250 hp
186 kW
6.1 s
250 km/h
155 mph
BMWZ4 (E85)3.0i
231 hp
172 kW
6.2 s
250 km/h
155 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 (8J)3.2i V6 24V
Power
250 hp
186 kW
0-100 km/h6.1 s
Top speed
250 km/h
155 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
BMWZ4 (E85)3.0i
Power
231 hp
172 kW
0-100 km/h6.2 s
Top speed
250 km/h
155 mph
Doors/seats
2 doors
2 seats
Trunk
300 L
10.6 cu ft
Length
4,091 mm
161.1 in
Height
1,299 mm
51.1 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 (8J)3.2i V6 24V
Power
250 hp
186 kW
0-100 km/h6.1 s
Top speed
250 km/h
155 mph
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
BMWZ4 (E85)3.0i
Power
231 hp
172 kW
0-100 km/h6.2 s
Top speed
250 km/h
155 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

AUDI TT Roadster (8J) 3.2i V6 24V 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 (8J)3.2i V6 24V
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
6.1 s
BMWZ4 (E85)3.0i
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
6.2 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 (8J)3.2i V6 24V
170 hp/t
127 kW/t
5.9 kg/hp
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
BMWZ4 (E85)3.0i
169 hp/t
126 kW/t
5.9 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDITT Roadster (8J)3.2i V6 24VBMWZ4 (E85)3.0i
Power
250 hp
186 kW
231 hp
172 kW
Torque
320 Nm
236 lb-ft
300 Nm
221 lb-ft
Acceleration
6.1 s
6.2 s
Top speed
250 km/h
155 mph
250 km/h
155 mph
Lightness
1,470 kg
3,241 lb
1,365 kg
3,009 lb
Fuel consumption
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Practicality
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
Doors/seats
2 doors
2 seats
Trunk
300 L
10.6 cu ft
Length
4,091 mm
161.1 in
Height
1,299 mm
51.1 in
Range score
577 km
358 mi
579 km
360 mi
CO2 score
250 g/km
-
Trunk score
250 L
8.8 cu ft
300 L
10.6 cu ft
Power-to-weight score
170 hp/t
127 kW/t
5.9 kg/hp
169 hp/t
126 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
VehicleAUDI TT Roadster (8J) 3.2i V6 24VBMW Z4 (E85) 3.0i
Consumption10.4 L/100 km22.6 mpg US27.2 mpg UK9.5 L/100 km24.8 mpg US29.7 mpg UK
Cost / 100 km18.20 LC100 km16.63 LC100 km
Cost / 100 mi29.29 LC100 mi26.76 LC100 mi
Annual fuel used1,560 L412 US gal343 UK gal1,425 L376 US gal313 UK gal
Annual fuel cost2,730 LC/year2,494 LC/year

Head-to-head comparisons

AUDI TT Roadster (8J) 3.2i V6 24V

  • Has 19 hp more
  • Has 20 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Has 1 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

BMW Z4 (E85) 3.0i

  • Is 105 kg lighter
  • Uses 0.9 L/100 km less fuel
  • Has 2 km (1 mi) more estimated range
  • Has 50 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI TT Roadster (8J) 3.2i V6 24V
BMW Z4 (E85) 3.0i
Compare selected cars
2 vehicles selected

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