Car comparison

Porsche Boxster (987) S 3.4vsAUDI 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)

S 3.4

295 hp3387 ccGasolineRWDAutomaticNaturally aspiratedRoadster2006-2009
VS

AUDI TTS Roadster (8J)

2.0 TFSI

272 hp1984 ccGasolineAWDAutomaticTurbochargedRoadster2008-2010

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
    5.5 s
  • Highest torque
    350 Nm
    258 lb-ft
  • Lowest combined fuel consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Lowest city consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Lowest highway consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest CO2 emissions
    184 g/km
  • Best estimated range
    759 km
    472 mi
  • Largest trunk
    250 L
  • Best economy score
    86/100
  • Best practicality score
    30/100

Porsche Boxster (987) S 3.4

  • Fastest top speed
    264 km/h
    164 mph
  • Most powerful
    295 hp
    220 kW
  • Lightest
    1,395 kg
    3,075 lb
  • Best power-to-weight
    211 hp/t
    158 kW/t
    4.7 kg/hp
  • Best overall score
    52/100
  • Best performance score
    64/100

Specification comparison

Specification comparison
ModelPorscheBoxster (987)S 3.4AUDITTS Roadster (8J)2.0 TFSI
Power
295hp220kW
272hp203kW
Torque
340Nm251lb-ft
350Nm258lb-ft
Curb weight
1,395kg3,075lb
1,495kg3,296lb
Gross weight
1,670kg3,682lb
1,815kg4,001lb
Top speed
264 km/h
164 mph
250 km/h
155 mph
To 99% top speed
86.3s99% target: 261 km/h / 162 mph
Calculated
69.6s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
6.1s
5.5s
0-200 km/h
21.8s
20.7s
Calculated
0-60 mph
5.8s
Calculated
5.2s
Calculated
Fuel consumption
11L/100 km21.4mpg US25.7mpg UK
7.9L/100 km29.8mpg US35.8mpg UK
Fuel consumption city
16.3L/100 km14.4mpg US17.3mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption highway
7.9L/100 km29.8mpg US35.8mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Quarter mile
14.2s
Calculated
13.7s
Calculated
Power-to-weight
211hp/t158kW/t96hp/1000 lb
Calculated
182hp/t136kW/t83hp/1000 lb
Calculated
Torque-to-weight
244Nm/t163lb-ft/ton
Calculated
234Nm/t157lb-ft/ton
Calculated
Estimated range
582km362mi
Calculated
759km472mi
Calculated
Displacement
3,387cc207cu in
1,984cc121cu in
Length
4,329mm170in
4,198mm165in
Width
1,801mm71in
1,842mm73in
Height
1,292mm51in
1,350mm53in
Wheelbase
2,415mm95in
2,468mm97in
Front track
1,486mm59in
1,555mm61in
Rear track
1,528mm60in
1,546mm61in
Ground clearance
121mm5in
-
Trunk volume
130L
250L
Doors
2
2
Seats
2
2
Fuel tank
64L
60L
CO2 emissions
262g/km
184g/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) S 3.4AUDI TTS Roadster (8J) 2.0 TFSIPowerTorque
  • Porsche Boxster (987) S 3.4: Power / Torque
  • AUDI TTS Roadster (8J) 2.0 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheBoxster (987)S 3.46,250 rpm4,400-6,000 rpm7,300 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)S 3.4AUDITTS Roadster (8J)2.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
5.8 s
5.2 s
0-100 km/h
0-62 mph
6.1 s
5.5 s
0-200 km/h
0-124 mph
21.8 s
20.7 s
Top speed
264 km/h
164 mph
250 km/h
155 mph
Drag race simulation
60 ft
18 m
2.4 s
2.2 s
330 ft
101 m
6.2 s
5.9 s
1/8 mile
201 m
9.3 s
8.9 s
1000 ft
305 m
11.9 s
11.5 s
1/4 mile
402 m
14.2 s
13.7 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)S 3.4
295 hp
220 kW
AUDITTS Roadster (8J)2.0 TFSI
272 hp
203 kW

Porsche Boxster (987) S 3.4 has 23 hp more than AUDI TTS Roadster (8J) 2.0 TFSI.

The biggest power difference is between AUDI TTS Roadster (8J) 2.0 TFSI and Porsche Boxster (987) S 3.4: 23 hp (17 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)S 3.4
340 Nm
251 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)S 3.4
1,395 kg
3,075 lb
AUDITTS Roadster (8J)2.0 TFSI
1,495 kg
3,296 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)S 3.4
264 km/h
164 mph
AUDITTS Roadster (8J)2.0 TFSI
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)S 3.46.1 s
AUDITTS Roadster (8J)2.0 TFSI5.5 s

Although Porsche Boxster (987) S 3.4 has more power, AUDI TTS Roadster (8J) 2.0 TFSI is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI TTS Roadster (8J) 2.0 TFSI and Porsche Boxster (987) S 3.4: 0.6 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)S 3.4
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
AUDITTS Roadster (8J)2.0 TFSI
7.9 L/100 km
29.8 mpg US
35.8 mpg UK

The biggest fuel consumption difference is between AUDI TTS Roadster (8J) 2.0 TFSI and Porsche Boxster (987) S 3.4: 3.1 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)S 3.4
211 hp/t
158 kW/t
4.7 kg/hp
AUDITTS Roadster (8J)2.0 TFSI
182 hp/t
136 kW/t
5.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheBoxster (987)S 3.4
582 km
362 mi
AUDITTS Roadster (8J)2.0 TFSI
759 km
472 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheBoxster (987)S 3.4
295 hp
220 kW
6.1 s
264 km/h
164 mph
AUDITTS Roadster (8J)2.0 TFSI
272 hp
203 kW
5.5 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)S 3.4
Power
295 hp
220 kW
0-100 km/h6.1 s
Top speed
264 km/h
164 mph
Doors/seats
2 doors
2 seats
Trunk
130 L
4.6 cu ft
Length
4,329 mm
170.4 in
Height
1,292 mm
50.9 in
AUDITTS Roadster (8J)2.0 TFSI
Power
272 hp
203 kW
0-100 km/h5.5 s
Top speed
250 km/h
155 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)S 3.4
Power
295 hp
220 kW
0-100 km/h6.1 s
Top speed
264 km/h
164 mph
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
AUDITTS Roadster (8J)2.0 TFSI
Power
272 hp
203 kW
0-100 km/h5.5 s
Top speed
250 km/h
155 mph
7.9 L/100 km
29.8 mpg US
35.8 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)S 3.4
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
6.1 s
AUDITTS Roadster (8J)2.0 TFSI
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
5.5 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)S 3.4
211 hp/t
158 kW/t
4.7 kg/hp
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
AUDITTS Roadster (8J)2.0 TFSI
182 hp/t
136 kW/t
5.5 kg/hp
7.9 L/100 km
29.8 mpg US
35.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheBoxster (987)S 3.4AUDITTS Roadster (8J)2.0 TFSI
Power
295 hp
220 kW
272 hp
203 kW
Torque
340 Nm
251 lb-ft
350 Nm
258 lb-ft
Acceleration
6.1 s
5.5 s
Top speed
264 km/h
164 mph
250 km/h
155 mph
Lightness
1,395 kg
3,075 lb
1,495 kg
3,296 lb
Fuel consumption
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
130 L
4.6 cu ft
Length
4,329 mm
170.4 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
582 km
362 mi
759 km
472 mi
CO2 score
262 g/km
184 g/km
Trunk score
130 L
4.6 cu ft
250 L
8.8 cu ft
Power-to-weight score
211 hp/t
158 kW/t
4.7 kg/hp
182 hp/t
136 kW/t
5.5 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) S 3.4AUDI TTS Roadster (8J) 2.0 TFSI
Consumption11 L/100 km21.4 mpg US25.7 mpg UK7.9 L/100 km29.8 mpg US35.8 mpg UK
Cost / 100 km19.25 LC100 km13.83 LC100 km
Cost / 100 mi30.98 LC100 mi22.25 LC100 mi
Annual fuel used1,650 L436 US gal363 UK gal1,185 L313 US gal261 UK gal
Annual fuel cost2,888 LC/year2,074 LC/year

Head-to-head comparisons

Porsche Boxster (987) S 3.4

  • Has 23 hp more
  • Is 100 kg lighter
  • Has 14 km/h (9 mph) higher top speed
  • Has 30 hp/t better power-to-weight

Pros

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

Cons

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

AUDI TTS Roadster (8J) 2.0 TFSI

  • Has 10 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Uses 3.1 L/100 km less fuel
  • Has 178 km (110 mi) more estimated range
  • Has 120 L more trunk volume
  • Emits 78 g/km less CO2

Pros

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

Cons

  • 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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