Car comparison

Porsche Boxster (987) · Facelift 2009 2.9vsAUDI TTS Roadster (8J) 2.0 TFSI

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 ccGasolineRWDAutomaticNaturally aspiratedRoadster2009-2012
VS

AUDI TTS Roadster (8J)

2.0 TFSI

272 hp1984 ccGasolineAWDManualTurbochargedRoadster2008-2010

Comparison overview

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

Best choices

AUDI TTS Roadster (8J) 2.0 TFSI

  • Quickest 0-100 km/h
    5.7 s
  • Most powerful
    272 hp
    203 kW
  • Highest torque
    350 Nm
    258 lb-ft
  • Lowest combined fuel consumption
    8.3 L/100 km
    28.3 mpg US
    34.0 mpg UK
  • Lowest city consumption
    11.1 L/100 km
    21.2 mpg US
    25.4 mpg UK
  • Lowest CO2 emissions
    189 g/km
  • Best estimated range
    723 km
    449 mi
  • Largest trunk
    250 L
  • Best overall score
    52/100
  • Best performance score
    63/100
  • Best economy score
    85/100
  • Best practicality score
    30/100

Porsche Boxster (987) Facelift 2009 2.9

  • Fastest top speed
    261 km/h
    162 mph
  • Lightest
    1,365 kg
    3,009 lb
  • Best power-to-weight
    187 hp/t
    139 kW/t
    5.4 kg/hp
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK

Specification comparison

Specification comparison
ModelPorscheBoxster (987)Facelift 20092.9AUDITTS Roadster (8J)2.0 TFSI
Power
255hp190kW
272hp203kW
Torque
290Nm214lb-ft
350Nm258lb-ft
Curb weight
1,365kg3,009lb
1,475kg3,252lb
Gross weight
1,670kg3,682lb
1,795kg3,957lb
Top speed
261 km/h
162 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
89.6s99% target: 258 km/h / 161 mph
Calculated
76.1s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.8s
5.7s
0-200 km/h
22.1s
20.4s
Calculated
0-60 mph
5.5s
Calculated
5.4s
Calculated
Fuel consumption
9.1L/100 km25.8mpg US31.0mpg UK
8.3L/100 km28.3mpg US34.0mpg UK
Fuel consumption city
13.6L/100 km17.3mpg US20.8mpg UK
11.1L/100 km21.2mpg US25.4mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Quarter mile
13.9s
Calculated
13.8s
Calculated
Power-to-weight
187hp/t139kW/t85hp/1000 lb
Calculated
184hp/t138kW/t84hp/1000 lb
Calculated
Torque-to-weight
212Nm/t142lb-ft/ton
Calculated
237Nm/t159lb-ft/ton
Calculated
Estimated range
714km444mi
Calculated
723km449mi
Calculated
Displacement
2,893cc177cu in
1,984cc121cu in
Length
4,342mm171in
4,198mm165in
Width
1,801mm71in
1,842mm73in
Height
1,292mm51in
1,350mm53in
Wheelbase
2,415mm95in
2,468mm97in
Front track
1,490mm59in
1,555mm61in
Rear track
1,534mm60in
1,546mm61in
Ground clearance
127mm5in
-
Trunk volume
130L
250L
Doors
2
2
Seats
2
2
Fuel tank
65L
60L
CO2 emissions
214g/km
189g/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 TTS Roadster (8J) 2.0 TFSIPowerTorque
  • Porsche Boxster (987) Facelift 2009 2.9: Power / Torque
  • AUDI TTS Roadster (8J) 2.0 TFSI: 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
AUDITTS Roadster (8J)2.0 TFSI6,000 rpm2,500-5,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheBoxster (987)Facelift 20092.9AUDITTS Roadster (8J)2.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
5.5 s
5.4 s
0-100 km/h
0-62 mph
5.8 s
5.7 s
0-200 km/h
0-124 mph
22.1 s
20.4 s
Top speed
261 km/h
162 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
6.0 s
6.0 s
1/8 mile
201 m
9.1 s
9.1 s
1000 ft
305 m
11.7 s
11.6 s
1/4 mile
402 m
13.9 s
13.8 s
Trap speed
1/4 mile
402 m
165 km/h
102 mph
169 km/h
105 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
AUDITTS Roadster (8J)2.0 TFSI
272 hp
203 kW

AUDI TTS Roadster (8J) 2.0 TFSI has 17 hp more than Porsche Boxster (987) Facelift 2009 2.9.

The biggest power difference is between Porsche Boxster (987) Facelift 2009 2.9 and AUDI TTS Roadster (8J) 2.0 TFSI: 17 hp (13 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
AUDITTS Roadster (8J)2.0 TFSI
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)Facelift 20092.9
1,365 kg
3,009 lb
AUDITTS Roadster (8J)2.0 TFSI
1,475 kg
3,252 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
261 km/h
162 mph
AUDITTS Roadster (8J)2.0 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
PorscheBoxster (987)Facelift 20092.95.8 s
AUDITTS Roadster (8J)2.0 TFSI5.7 s

The biggest 0-100 km/h difference is between AUDI TTS Roadster (8J) 2.0 TFSI and Porsche Boxster (987) Facelift 2009 2.9: 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
PorscheBoxster (987)Facelift 20092.9
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
AUDITTS Roadster (8J)2.0 TFSI
8.3 L/100 km
28.3 mpg US
34.0 mpg UK

The biggest fuel consumption difference is between AUDI TTS Roadster (8J) 2.0 TFSI and Porsche Boxster (987) Facelift 2009 2.9: 0.8 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
PorscheBoxster (987)Facelift 20092.9
187 hp/t
139 kW/t
5.4 kg/hp
AUDITTS Roadster (8J)2.0 TFSI
184 hp/t
138 kW/t
5.4 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
714 km
444 mi
AUDITTS Roadster (8J)2.0 TFSI
723 km
449 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
5.8 s
261 km/h
162 mph
AUDITTS Roadster (8J)2.0 TFSI
272 hp
203 kW
5.7 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
PorscheBoxster (987)Facelift 20092.9
Power
255 hp
190 kW
0-100 km/h5.8 s
Top speed
261 km/h
162 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
AUDITTS Roadster (8J)2.0 TFSI
Power
272 hp
203 kW
0-100 km/h5.7 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
PorscheBoxster (987)Facelift 20092.9
Power
255 hp
190 kW
0-100 km/h5.8 s
Top speed
261 km/h
162 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
AUDITTS Roadster (8J)2.0 TFSI
Power
272 hp
203 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.3 L/100 km
28.3 mpg US
34.0 mpg UK

AUDI TTS Roadster (8J) 2.0 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
PorscheBoxster (987)Facelift 20092.9
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
5.8 s
AUDITTS Roadster (8J)2.0 TFSI
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
5.7 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
187 hp/t
139 kW/t
5.4 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
AUDITTS Roadster (8J)2.0 TFSI
184 hp/t
138 kW/t
5.4 kg/hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheBoxster (987)Facelift 20092.9AUDITTS Roadster (8J)2.0 TFSI
Power
255 hp
190 kW
272 hp
203 kW
Torque
290 Nm
214 lb-ft
350 Nm
258 lb-ft
Acceleration
5.8 s
5.7 s
Top speed
261 km/h
162 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,365 kg
3,009 lb
1,475 kg
3,252 lb
Fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
8.3 L/100 km
28.3 mpg US
34.0 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
4,198 mm
165.3 in
Height
1,350 mm
53.1 in
Range score
714 km
444 mi
723 km
449 mi
CO2 score
214 g/km
189 g/km
Trunk score
130 L
4.6 cu ft
250 L
8.8 cu ft
Power-to-weight score
187 hp/t
139 kW/t
5.4 kg/hp
184 hp/t
138 kW/t
5.4 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 TTS Roadster (8J) 2.0 TFSI
Consumption9.1 L/100 km25.8 mpg US31 mpg UK8.3 L/100 km28.3 mpg US34 mpg UK
Cost / 100 km15.92 LC100 km14.53 LC100 km
Cost / 100 mi25.63 LC100 mi23.38 LC100 mi
Annual fuel used1,365 L361 US gal300 UK gal1,245 L329 US gal274 UK gal
Annual fuel cost2,389 LC/year2,179 LC/year

Head-to-head comparisons

Porsche Boxster (987) Facelift 2009 2.9

  • Is 110 kg lighter
  • Has 1 km/h (1 mph) higher top speed
  • Has 2 hp/t better power-to-weight

Pros

  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

AUDI TTS Roadster (8J) 2.0 TFSI

  • Has 17 hp more
  • Has 60 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 0.8 L/100 km less fuel
  • Has 9 km (5 mi) more estimated range
  • Has 120 L more trunk volume
  • Emits 25 g/km less CO2

Pros

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

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Boxster (987) 2.9
AUDI TTS Roadster (8J) 2.0 TFSI
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2 vehicles selected

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Porsche Boxster (987) · Facelift 2009 2.9 vs AUDI TTS Roadster (8J) 2.0 TFSI - car comparison - FastVsFaster