Car comparison

Porsche Boxster (987) · Facelift 2009 S 3.4vsAUDI TTS Roadster (8J) · Facelift 2010 2.0 TFSI

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

New comparison

Porsche Boxster (987) · Facelift 2009

S 3.4

310 hp3436 ccGasolineRWDManualNaturally aspiratedRoadster2009-2012
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

Porsche Boxster (987) Facelift 2009 S 3.4

  • Quickest 0-100 km/h
    5.3 s
  • Fastest top speed
    274 km/h
    170 mph
  • Most powerful
    310 hp
    231 kW
  • Highest torque
    360 Nm
    266 lb-ft
  • Lightest
    1,355 kg
    2,987 lb
  • Best power-to-weight
    229 hp/t
    171 kW/t
    4.4 kg/hp
  • Best overall score
    55/100
  • Best performance score
    68/100

AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI

  • 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
  • Largest trunk
    250 L
  • Best economy score
    85/100
  • Best practicality score
    30/100

Specification comparison

Specification comparison
ModelPorscheBoxster (987)Facelift 2009S 3.4AUDITTS Roadster (8J)Facelift 20102.0 TFSI
Power
310hp231kW
272hp203kW
Torque
360Nm266lb-ft
350Nm258lb-ft
Curb weight
1,355kg2,987lb
1,455kg3,208lb
Gross weight
1,645kg3,627lb
1,775kg3,913lb
Top speed
274 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
80.7s99% target: 271 km/h / 169 mph
Calculated
74.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.3s
5.6s
0-200 km/h
18.4s
20.0s
Calculated
0-60 mph
5.0s
Calculated
5.3s
Calculated
Fuel consumption
9.8L/100 km24mpg US28.8mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption city
14.4L/100 km16.3mpg US19.6mpg UK
10.9L/100 km21.6mpg US25.9mpg UK
Fuel consumption highway
7.2L/100 km32.7mpg US39.2mpg UK
6.4L/100 km36.8mpg US44.1mpg UK
Quarter mile
13.4s
Calculated
13.7s
Calculated
Power-to-weight
229hp/t171kW/t104hp/1000 lb
Calculated
187hp/t139kW/t85hp/1000 lb
Calculated
Torque-to-weight
266Nm/t178lb-ft/ton
Calculated
241Nm/t161lb-ft/ton
Calculated
Estimated range
663km412mi
Calculated
741km460mi
Calculated
Displacement
3,436cc210cu in
1,984cc121cu in
Length
4,342mm171in
4,198mm165in
Width
1,801mm71in
1,842mm73in
Height
1,294mm51in
1,350mm53in
Wheelbase
2,415mm95in
2,468mm97in
Front track
1,486mm59in
1,555mm61in
Rear track
1,528mm60in
1,546mm61in
Ground clearance
123mm5in
-
Trunk volume
130L
250L
Doors
2
2
Seats
2
2
Fuel tank
65L
60L
CO2 emissions
230g/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 S 3.4AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSIPowerTorque
  • Porsche Boxster (987) Facelift 2009 S 3.4: Power / Torque
  • AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheBoxster (987)Facelift 2009S 3.47,200 rpm4,750 rpm7,500 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
MetricPorscheBoxster (987)Facelift 2009S 3.4AUDITTS Roadster (8J)Facelift 20102.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
5.0 s
5.3 s
0-100 km/h
0-62 mph
5.3 s
5.6 s
0-200 km/h
0-124 mph
18.4 s
20.0 s
Top speed
274 km/h
170 mph
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
8.8 s
9.0 s
1000 ft
305 m
11.3 s
11.6 s
1/4 mile
402 m
13.4 s
13.7 s
Trap speed
1/4 mile
402 m
173 km/h
108 mph
170 km/h
105 mph

Power comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)Facelift 2009S 3.4
310 hp
231 kW
AUDITTS Roadster (8J)Facelift 20102.0 TFSI
272 hp
203 kW

Porsche Boxster (987) Facelift 2009 S 3.4 has 38 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 Porsche Boxster (987) Facelift 2009 S 3.4: 38 hp (28 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)Facelift 2009S 3.4
360 Nm
266 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
PorscheBoxster (987)Facelift 2009S 3.4
1,355 kg
2,987 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
PorscheBoxster (987)Facelift 2009S 3.4
274 km/h
170 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
PorscheBoxster (987)Facelift 2009S 3.45.3 s
AUDITTS Roadster (8J)Facelift 20102.0 TFSI5.6 s

The biggest 0-100 km/h difference is between Porsche Boxster (987) Facelift 2009 S 3.4 and AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI: 0.3 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 2009S 3.4
9.8 L/100 km
24.0 mpg US
28.8 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 Porsche Boxster (987) Facelift 2009 S 3.4: 1.7 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 2009S 3.4
229 hp/t
171 kW/t
4.4 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
PorscheBoxster (987)Facelift 2009S 3.4
663 km
412 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
PorscheBoxster (987)Facelift 2009S 3.4
310 hp
231 kW
5.3 s
274 km/h
170 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
PorscheBoxster (987)Facelift 2009S 3.4
Power
310 hp
231 kW
0-100 km/h5.3 s
Top speed
274 km/h
170 mph
Doors/seats
2 doors
2 seats
Trunk
130 L
4.6 cu ft
Length
4,342 mm
170.9 in
Height
1,294 mm
50.9 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
PorscheBoxster (987)Facelift 2009S 3.4
Power
310 hp
231 kW
0-100 km/h5.3 s
Top speed
274 km/h
170 mph
9.8 L/100 km
24.0 mpg US
28.8 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

Porsche Boxster (987) Facelift 2009 S 3.4 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 2009S 3.4
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
5.3 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
PorscheBoxster (987)Facelift 2009S 3.4
229 hp/t
171 kW/t
4.4 kg/hp
9.8 L/100 km
24.0 mpg US
28.8 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
VehiclePorscheBoxster (987)Facelift 2009S 3.4AUDITTS Roadster (8J)Facelift 20102.0 TFSI
Power
310 hp
231 kW
272 hp
203 kW
Torque
360 Nm
266 lb-ft
350 Nm
258 lb-ft
Acceleration
5.3 s
5.6 s
Top speed
274 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,355 kg
2,987 lb
1,455 kg
3,208 lb
Fuel consumption
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
130 L
4.6 cu ft
Length
4,342 mm
170.9 in
Height
1,294 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
663 km
412 mi
741 km
460 mi
CO2 score
230 g/km
-
Trunk score
130 L
4.6 cu ft
250 L
8.8 cu ft
Power-to-weight score
229 hp/t
171 kW/t
4.4 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
VehiclePorsche Boxster (987) Facelift 2009 S 3.4AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI
Consumption9.8 L/100 km24 mpg US28.8 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK
Cost / 100 km17.15 LC100 km14.17 LC100 km
Cost / 100 mi27.60 LC100 mi22.81 LC100 mi
Annual fuel used1,470 L388 US gal323 UK gal1,215 L321 US gal267 UK gal
Annual fuel cost2,573 LC/year2,126 LC/year

Head-to-head comparisons

Porsche Boxster (987) Facelift 2009 S 3.4

  • Has 38 hp more
  • Has 10 Nm more
  • Is 100 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 14 km/h (9 mph) higher top speed
  • Has 42 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk

AUDI TTS Roadster (8J) Facelift 2010 2.0 TFSI

  • Uses 1.7 L/100 km less fuel
  • Has 77 km (48 mi) more estimated range
  • Has 120 L more trunk volume

Pros

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

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Boxster (987) S 3.4
AUDI TTS Roadster (8J) 2.0 TFSI
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2 vehicles selected

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