Car comparison

AUDI TT RS Roadster (8J) · Facelift 2010 2.5 TFSIvsBMW Z4 (E89) 35i

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

New comparison

AUDI TT RS Roadster (8J) · Facelift 2010

2.5 TFSI

340 hp2480 ccGasolineAWDManualTurbochargedRoadster2010-2014
VS

BMW Z4 (E89)

35i

306 hp2979 ccGasolineRWDAutomaticTurbochargedRoadster2009-2013

Comparison overview

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

Best choices

AUDI TT RS Roadster (8J) Facelift 2010 2.5 TFSI

  • Quickest 0-100 km/h
    4.7 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    340 hp
    254 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Lightest
    1,510 kg
    3,329 lb
  • Best power-to-weight
    225 hp/t
    168 kW/t
    4.4 kg/hp
  • Best estimated range
    659 km
    410 mi
  • Best overall score
    58/100
  • Best performance score
    71/100

BMW Z4 (E89) 35i

  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    12.6 L/100 km
    18.7 mpg US
    22.4 mpg UK
  • Lowest highway consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest CO2 emissions
    210 g/km
  • Best economy score
    83/100
  • Best practicality score
    32/100

Specification comparison

Specification comparison
ModelAUDITT RS Roadster (8J)Facelift 20102.5 TFSIBMWZ4 (E89)35i
Power
340hp254kW
306hp228kW
Torque
450Nm332lb-ft
400Nm295lb-ft
Curb weight
1,510kg3,329lb
1,600kg3,527lb
Gross weight
1,830kg4,034lb
1,855kg4,090lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
61.0s99% target: 262 km/h / 163 mph
Calculated
67.9s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.7s
5.1s
0-200 km/h
16.0s
Calculated
17.6s
Calculated
0-60 mph
4.5s
Calculated
4.9s
Calculated
Fuel consumption
9.1L/100 km25.8mpg US31.0mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city
12.8L/100 km18.4mpg US22.1mpg UK
12.6L/100 km18.7mpg US22.4mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
6.9L/100 km34.1mpg US40.9mpg UK
Quarter mile
12.8s
Calculated
13.2s
Calculated
Power-to-weight
225hp/t168kW/t102hp/1000 lb
Calculated
191hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
298Nm/t199lb-ft/ton
Calculated
250Nm/t167lb-ft/ton
Calculated
Estimated range
659km410mi
Calculated
611km380mi
Calculated
Displacement
2,480cc151cu in
2,979cc182cu in
Length
4,198mm165in
4,239mm167in
Width
1,842mm73in
1,790mm70in
Height
1,348mm53in
1,291mm51in
Wheelbase
2,468mm97in
2,496mm98in
Front track
1,555mm61in
1,511mm59in
Rear track
1,546mm61in
1,559mm61in
Trunk volume
250L
-
Doors
2
2
Seats
2
2
Fuel tank
60L
55L
CO2 emissions
212g/km
210g/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 RS Roadster (8J) Facelift 2010 2.5 TFSIBMW Z4 (E89) 35iPowerTorque
  • AUDI TT RS Roadster (8J) Facelift 2010 2.5 TFSI: Power / Torque
  • BMW Z4 (E89) 35i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDITT RS Roadster (8J)Facelift 20102.5 TFSI5,400-6,500 rpm1,600-5,300 rpm6,750 rpm
BMWZ4 (E89)35i5,800 rpm1,300-5,000 rpm6,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDITT RS Roadster (8J)Facelift 20102.5 TFSIBMWZ4 (E89)35i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.5 s
4.9 s
0-100 km/h
0-62 mph
4.7 s
5.1 s
0-200 km/h
0-124 mph
16.0 s
17.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.6 s
5.8 s
1/8 mile
201 m
8.4 s
8.7 s
1000 ft
305 m
10.8 s
11.1 s
1/4 mile
402 m
12.8 s
13.2 s
Trap speed
1/4 mile
402 m
181 km/h
113 mph
176 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
AUDITT RS Roadster (8J)Facelift 20102.5 TFSI
340 hp
254 kW
BMWZ4 (E89)35i
306 hp
228 kW

AUDI TT RS Roadster (8J) Facelift 2010 2.5 TFSI has 34 hp more than BMW Z4 (E89) 35i.

The biggest power difference is between BMW Z4 (E89) 35i and AUDI TT RS Roadster (8J) Facelift 2010 2.5 TFSI: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDITT RS Roadster (8J)Facelift 20102.5 TFSI
450 Nm
332 lb-ft
BMWZ4 (E89)35i
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDITT RS Roadster (8J)Facelift 20102.5 TFSI
1,510 kg
3,329 lb
BMWZ4 (E89)35i
1,600 kg
3,527 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 RS Roadster (8J)Facelift 20102.5 TFSI
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWZ4 (E89)35i
Unrestricted
265 km/h165 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
AUDITT RS Roadster (8J)Facelift 20102.5 TFSI4.7 s
BMWZ4 (E89)35i5.1 s

The biggest 0-100 km/h difference is between AUDI TT RS Roadster (8J) Facelift 2010 2.5 TFSI and BMW Z4 (E89) 35i: 0.4 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 RS Roadster (8J)Facelift 20102.5 TFSI
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
BMWZ4 (E89)35i
9.0 L/100 km
26.1 mpg US
31.4 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 RS Roadster (8J)Facelift 20102.5 TFSI
225 hp/t
168 kW/t
4.4 kg/hp
BMWZ4 (E89)35i
191 hp/t
143 kW/t
5.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDITT RS Roadster (8J)Facelift 20102.5 TFSI
659 km
410 mi
BMWZ4 (E89)35i
611 km
380 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDITT RS Roadster (8J)Facelift 20102.5 TFSI
340 hp
254 kW
4.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWZ4 (E89)35i
306 hp
228 kW
5.1 s
Unrestricted
265 km/h165 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
AUDITT RS Roadster (8J)Facelift 20102.5 TFSI
Power
340 hp
254 kW
0-100 km/h4.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,198 mm
165.3 in
Height
1,348 mm
53.1 in
BMWZ4 (E89)35i
Power
306 hp
228 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,239 mm
166.9 in
Height
1,291 mm
50.8 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 RS Roadster (8J)Facelift 20102.5 TFSI
Power
340 hp
254 kW
0-100 km/h4.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
BMWZ4 (E89)35i
Power
306 hp
228 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

AUDI TT RS Roadster (8J) Facelift 2010 2.5 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 RS Roadster (8J)Facelift 20102.5 TFSI
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
4.7 s
BMWZ4 (E89)35i
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
5.1 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
AUDITT RS Roadster (8J)Facelift 20102.5 TFSI
225 hp/t
168 kW/t
4.4 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
BMWZ4 (E89)35i
191 hp/t
143 kW/t
5.2 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDITT RS Roadster (8J)Facelift 20102.5 TFSIBMWZ4 (E89)35i
Power
340 hp
254 kW
306 hp
228 kW
Torque
450 Nm
332 lb-ft
400 Nm
295 lb-ft
Acceleration
4.7 s
5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,510 kg
3,329 lb
1,600 kg
3,527 lb
Fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,198 mm
165.3 in
Height
1,348 mm
53.1 in
Doors/seats
2 doors
2 seats
Trunk-
Length
4,239 mm
166.9 in
Height
1,291 mm
50.8 in
Range score
659 km
410 mi
611 km
380 mi
CO2 score
212 g/km
210 g/km
Trunk score
250 L
8.8 cu ft
-
Power-to-weight score
225 hp/t
168 kW/t
4.4 kg/hp
191 hp/t
143 kW/t
5.2 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 RS Roadster (8J) Facelift 2010 2.5 TFSIBMW Z4 (E89) 35i
Consumption9.1 L/100 km25.8 mpg US31 mpg UK9 L/100 km26.1 mpg US31.4 mpg UK
Cost / 100 km15.92 LC100 km15.75 LC100 km
Cost / 100 mi25.63 LC100 mi25.35 LC100 mi
Annual fuel used1,365 L361 US gal300 UK gal1,350 L357 US gal297 UK gal
Annual fuel cost2,389 LC/year2,363 LC/year

Head-to-head comparisons

AUDI TT RS Roadster (8J) Facelift 2010 2.5 TFSI

  • Has 34 hp more
  • Has 50 Nm more
  • Is 90 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 34 hp/t better power-to-weight
  • Has 48 km (30 mi) more estimated range

Pros

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

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

BMW Z4 (E89) 35i

  • Uses 0.1 L/100 km less fuel
  • Emits 2 g/km less CO2

Pros

  • Lowest combined fuel consumption

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI TT RS Roadster (8J) 2.5 TFSI
BMW Z4 (E89) 35i
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