Car comparison

Porsche Boxster (987) · Facelift 2009 2.9vsAUDI TT Roadster (8J) 3.2i V6 24V

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

New comparison

Porsche Boxster (987) · Facelift 2009

2.9

255 hp2893 ccGasolineRWDManualNaturally aspiratedRoadster2009-2012
VS

AUDI TT Roadster (8J)

3.2i V6 24V

250 hp3189 ccGasolineAWDAutomaticNaturally aspiratedRoadster2006-2010

Comparison overview

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

Best choices

Porsche Boxster (987) Facelift 2009 2.9

  • Quickest 0-100 km/h
    5.9 s
  • Fastest top speed
    263 km/h
    163 mph
  • Most powerful
    255 hp
    190 kW
  • Lightest
    1,335 kg
    2,943 lb
  • Best power-to-weight
    191 hp/t
    142 kW/t
    5.2 kg/hp
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest highway consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest CO2 emissions
    221 g/km
  • Best estimated range
    691 km
    430 mi
  • Best overall score
    50/100
  • Best performance score
    62/100
  • Best economy score
    82/100

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

  • Highest torque
    320 Nm
    236 lb-ft
  • Lowest city consumption
    13.0 L/100 km
    18.1 mpg US
    21.7 mpg UK
  • Largest trunk
    250 L
  • Best practicality score
    30/100

Specification comparison

Specification comparison
ModelPorscheBoxster (987)Facelift 20092.9AUDITT Roadster (8J)3.2i V6 24V
Power
255hp190kW
250hp186kW
Torque
290Nm214lb-ft
320Nm236lb-ft
Curb weight
1,335kg2,943lb
1,490kg3,285lb
Gross weight
1,635kg3,605lb
1,810kg3,990lb
Top speed
263 km/h
163 mph
250 km/h
155 mph
To 99% top speed
92.4s99% target: 260 km/h / 162 mph
Calculated
75.6s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
5.9s
5.9s
0-200 km/h
22.3s
22.3s
Calculated
0-60 mph
5.6s
Calculated
5.6s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city
13.8L/100 km17mpg US20.5mpg UK
13L/100 km18.1mpg US21.7mpg UK
Fuel consumption highway
6.9L/100 km34.1mpg US40.9mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Quarter mile
14.0s
Calculated
14.0s
Calculated
Power-to-weight
191hp/t142kW/t87hp/1000 lb
Calculated
168hp/t125kW/t76hp/1000 lb
Calculated
Torque-to-weight
217Nm/t145lb-ft/ton
Calculated
215Nm/t144lb-ft/ton
Calculated
Estimated range
691km430mi
Calculated
632km392mi
Calculated
Displacement
2,893cc177cu in
3,189cc195cu in
Length
4,342mm171in
4,178mm164in
Width
1,801mm71in
1,842mm73in
Height
1,292mm51in
1,358mm53in
Wheelbase
2,415mm95in
2,468mm97in
Front track
1,490mm59in
1,572mm62in
Rear track
1,534mm60in
1,558mm61in
Ground clearance
127mm5in
-
Trunk volume
130L
250L
Doors
2
2
Seats
2
2
Fuel tank
65L
60L
CO2 emissions
221g/km
227g/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.

Porsche Boxster (987) Facelift 2009 2.9AUDI TT Roadster (8J) 3.2i V6 24VPowerTorque
  • Porsche Boxster (987) Facelift 2009 2.9: Power / Torque
  • AUDI TT Roadster (8J) 3.2i V6 24V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheBoxster (987)Facelift 20092.97,200 rpm4,400-6,000 rpm7,500 rpm
AUDITT Roadster (8J)3.2i V6 24V6,300 rpm2,500-3,000 rpm6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheBoxster (987)Facelift 20092.9AUDITT Roadster (8J)3.2i V6 24V
Acceleration checkpoints
0-60 mph
0-97 km/h
5.6 s
5.6 s
0-100 km/h
0-62 mph
5.9 s
5.9 s
0-200 km/h
0-124 mph
22.3 s
22.3 s
Top speed
263 km/h
163 mph
250 km/h
155 mph
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
6.0 s
6.1 s
1/8 mile
201 m
9.1 s
9.2 s
1000 ft
305 m
11.8 s
11.8 s
1/4 mile
402 m
14.0 s
14.0 s
Trap speed
1/4 mile
402 m
164 km/h
102 mph
165 km/h
102 mph

Power comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)Facelift 20092.9
255 hp
190 kW
AUDITT Roadster (8J)3.2i V6 24V
250 hp
186 kW

Porsche Boxster (987) Facelift 2009 2.9 has 5 hp more than AUDI TT Roadster (8J) 3.2i V6 24V.

The biggest power difference is between AUDI TT Roadster (8J) 3.2i V6 24V and Porsche Boxster (987) Facelift 2009 2.9: 5 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)Facelift 20092.9
290 Nm
214 lb-ft
AUDITT Roadster (8J)3.2i V6 24V
320 Nm
236 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)Facelift 20092.9
1,335 kg
2,943 lb
AUDITT Roadster (8J)3.2i V6 24V
1,490 kg
3,285 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)Facelift 20092.9
263 km/h
163 mph
AUDITT Roadster (8J)3.2i V6 24V
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
PorscheBoxster (987)Facelift 20092.95.9 s
AUDITT Roadster (8J)3.2i V6 24V5.9 s

Fuel consumption comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)Facelift 20092.9
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
AUDITT Roadster (8J)3.2i V6 24V
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
PorscheBoxster (987)Facelift 20092.9
191 hp/t
142 kW/t
5.2 kg/hp
AUDITT Roadster (8J)3.2i V6 24V
168 hp/t
125 kW/t
6.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)Facelift 20092.9
691 km
430 mi
AUDITT Roadster (8J)3.2i V6 24V
632 km
392 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheBoxster (987)Facelift 20092.9
255 hp
190 kW
5.9 s
263 km/h
163 mph
AUDITT Roadster (8J)3.2i V6 24V
250 hp
186 kW
5.9 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
PorscheBoxster (987)Facelift 20092.9
Power
255 hp
190 kW
0-100 km/h5.9 s
Top speed
263 km/h
163 mph
Doors/seats
2 doors
2 seats
Trunk
130 L
4.6 cu ft
Length
4,342 mm
170.9 in
Height
1,292 mm
50.9 in
AUDITT Roadster (8J)3.2i V6 24V
Power
250 hp
186 kW
0-100 km/h5.9 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

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
PorscheBoxster (987)Facelift 20092.9
Power
255 hp
190 kW
0-100 km/h5.9 s
Top speed
263 km/h
163 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
AUDITT Roadster (8J)3.2i V6 24V
Power
250 hp
186 kW
0-100 km/h5.9 s
Top speed
250 km/h
155 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Porsche Boxster (987) Facelift 2009 2.9 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
PorscheBoxster (987)Facelift 20092.9
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
5.9 s
AUDITT Roadster (8J)3.2i V6 24V
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
5.9 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
PorscheBoxster (987)Facelift 20092.9
191 hp/t
142 kW/t
5.2 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
AUDITT Roadster (8J)3.2i V6 24V
168 hp/t
125 kW/t
6.0 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheBoxster (987)Facelift 20092.9AUDITT Roadster (8J)3.2i V6 24V
Power
255 hp
190 kW
250 hp
186 kW
Torque
290 Nm
214 lb-ft
320 Nm
236 lb-ft
Acceleration
5.9 s
5.9 s
Top speed
263 km/h
163 mph
250 km/h
155 mph
Lightness
1,335 kg
2,943 lb
1,490 kg
3,285 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
130 L
4.6 cu ft
Length
4,342 mm
170.9 in
Height
1,292 mm
50.9 in
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
Range score
691 km
430 mi
632 km
392 mi
CO2 score
221 g/km
227 g/km
Trunk score
130 L
4.6 cu ft
250 L
8.8 cu ft
Power-to-weight score
191 hp/t
142 kW/t
5.2 kg/hp
168 hp/t
125 kW/t
6.0 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
VehiclePorsche Boxster (987) Facelift 2009 2.9AUDI TT Roadster (8J) 3.2i V6 24V
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

Porsche Boxster (987) Facelift 2009 2.9

  • Has 5 hp more
  • Is 155 kg lighter
  • Has 13 km/h (8 mph) higher top speed
  • Uses 0.1 L/100 km less fuel
  • Has 23 hp/t better power-to-weight
  • Has 60 km (37 mi) more estimated range
  • Emits 6 g/km less CO2

Pros

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

Cons

  • Smallest trunk

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

  • Has 30 Nm more
  • Has 120 L more trunk volume

Pros

  • Highest torque
  • Largest trunk

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Boxster (987) 2.9
AUDI TT Roadster (8J) 3.2i V6 24V
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2 vehicles selected

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