Car comparison

BMW Z4 (E89) 35ivsAUDI TTS Roadster (8J) · Facelift 2010 2.0 TFSI

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

New comparison

BMW Z4 (E89)

35i

306 hp2979 ccGasolineRWDAutomaticTurbochargedRoadster2009-2013
VS

AUDI TTS Roadster (8J) · Facelift 2010

2.0 TFSI

272 hp1984 ccGasolineAWDManualTurbochargedRoadster2010-2014

Comparison overview

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

Best choices

BMW Z4 (E89) 35i

  • Quickest 0-100 km/h
    5.1 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    306 hp
    228 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Best power-to-weight
    191 hp/t
    143 kW/t
    5.2 kg/hp
  • Best overall score
    56/100
  • Best performance score
    67/100
  • Best practicality score
    32/100

AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI

  • Lightest
    1,455 kg
    3,208 lb
  • Lowest combined fuel consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Lowest city consumption
    10.9 L/100 km
    21.6 mpg US
    25.9 mpg UK
  • Lowest highway consumption
    6.4 L/100 km
    36.8 mpg US
    44.1 mpg UK
  • Best estimated range
    741 km
    460 mi
  • Best economy score
    85/100

Specification comparison

Specification comparison
ModelBMWZ4 (E89)35iAUDITTS Roadster (8J)Facelift 20102.0 TFSI
Power
306hp228kW
272hp203kW
Torque
400Nm295lb-ft
350Nm258lb-ft
Curb weight
1,600kg3,527lb
1,455kg3,208lb
Gross weight
1,855kg4,090lb
1,775kg3,913lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
67.9s99% target: 262 km/h / 163 mph
Calculated
74.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.1s
5.6s
0-200 km/h
17.6s
Calculated
20.0s
Calculated
0-60 mph
4.9s
Calculated
5.3s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption city
12.6L/100 km18.7mpg US22.4mpg UK
10.9L/100 km21.6mpg US25.9mpg UK
Fuel consumption highway
6.9L/100 km34.1mpg US40.9mpg UK
6.4L/100 km36.8mpg US44.1mpg UK
Quarter mile
13.2s
Calculated
13.7s
Calculated
Power-to-weight
191hp/t143kW/t87hp/1000 lb
Calculated
187hp/t139kW/t85hp/1000 lb
Calculated
Torque-to-weight
250Nm/t167lb-ft/ton
Calculated
241Nm/t161lb-ft/ton
Calculated
Estimated range
611km380mi
Calculated
741km460mi
Calculated
Displacement
2,979cc182cu in
1,984cc121cu in
Length
4,239mm167in
4,198mm165in
Width
1,790mm70in
1,842mm73in
Height
1,291mm51in
1,350mm53in
Wheelbase
2,496mm98in
2,468mm97in
Front track
1,511mm59in
1,555mm61in
Rear track
1,559mm61in
1,546mm61in
Trunk volume-
250L
Doors
2
2
Seats
2
2
Fuel tank
55L
60L
CO2 emissions
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.

BMW Z4 (E89) 35iAUDI TTS Roadster (8J) Facelift 2010 2.0 TFSIPowerTorque
  • BMW Z4 (E89) 35i: Power / Torque
  • AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWZ4 (E89)35i5,800 rpm1,300-5,000 rpm6,050 rpm
AUDITTS Roadster (8J)Facelift 20102.0 TFSI6,000 rpm2,500-5,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 (E89)35iAUDITTS Roadster (8J)Facelift 20102.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
5.3 s
0-100 km/h
0-62 mph
5.1 s
5.6 s
0-200 km/h
0-124 mph
17.6 s
20.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.8 s
6.0 s
1/8 mile
201 m
8.7 s
9.0 s
1000 ft
305 m
11.1 s
11.6 s
1/4 mile
402 m
13.2 s
13.7 s
Trap speed
1/4 mile
402 m
176 km/h
109 mph
170 km/h
105 mph

Power comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)35i
306 hp
228 kW
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
272 hp
203 kW

BMW Z4 (E89) 35i has 34 hp more than AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI.

The biggest power difference is between AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI and BMW Z4 (E89) 35i: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)35i
400 Nm
295 lb-ft
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)35i
1,600 kg
3,527 lb
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
1,455 kg
3,208 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)35i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDITTS Roadster (8J)Facelift 20102.0 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
BMWZ4 (E89)35i5.1 s
AUDITTS Roadster (8J)Facelift 20102.0 TFSI5.6 s

The biggest 0-100 km/h difference is between BMW Z4 (E89) 35i and AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI: 0.5 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BMWZ4 (E89)35i
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

The biggest fuel consumption difference is between AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI and BMW Z4 (E89) 35i: 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
BMWZ4 (E89)35i
191 hp/t
143 kW/t
5.2 kg/hp
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
187 hp/t
139 kW/t
5.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWZ4 (E89)35i
611 km
380 mi
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
741 km
460 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWZ4 (E89)35i
306 hp
228 kW
5.1 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
272 hp
203 kW
5.6 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
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
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
Power
272 hp
203 kW
0-100 km/h5.6 s
Top speed
Unrestricted
260 km/h162 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
1,350 mm
53.1 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
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
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
Power
272 hp
203 kW
0-100 km/h5.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

BMW Z4 (E89) 35i 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
BMWZ4 (E89)35i
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
5.1 s
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
5.6 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
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
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
187 hp/t
139 kW/t
5.3 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 (E89)35iAUDITTS Roadster (8J)Facelift 20102.0 TFSI
Power
306 hp
228 kW
272 hp
203 kW
Torque
400 Nm
295 lb-ft
350 Nm
258 lb-ft
Acceleration
5.1 s
5.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,600 kg
3,527 lb
1,455 kg
3,208 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,239 mm
166.9 in
Height
1,291 mm
50.8 in
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,198 mm
165.3 in
Height
1,350 mm
53.1 in
Range score
611 km
380 mi
741 km
460 mi
CO2 score
210 g/km
-
Trunk score
-
250 L
8.8 cu ft
Power-to-weight score
191 hp/t
143 kW/t
5.2 kg/hp
187 hp/t
139 kW/t
5.3 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
VehicleBMW Z4 (E89) 35iAUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI
Consumption9 L/100 km26.1 mpg US31.4 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK
Cost / 100 km15.75 LC100 km14.17 LC100 km
Cost / 100 mi25.35 LC100 mi22.81 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,215 L321 US gal267 UK gal
Annual fuel cost2,363 LC/year2,126 LC/year

Head-to-head comparisons

BMW Z4 (E89) 35i

  • Has 34 hp more
  • Has 50 Nm more
  • Is 0.5 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 4 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

AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI

  • Is 145 kg lighter
  • Uses 0.9 L/100 km less fuel
  • Has 130 km (81 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW Z4 (E89) 35i
AUDI TTS Roadster (8J) 2.0 TFSI
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