Car comparison

Porsche Boxster (981) GTS 3.4vsAUDI TTS Roadster (8S) 2.0 TFSI

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

New comparison

Porsche Boxster (981)

GTS 3.4

330 hp3436 ccGasolineRWDManualNaturally aspiratedRoadster2015-2016
VS

AUDI TTS Roadster (8S)

2.0 TFSI

310 hp1984 ccGasolineAWDAutomaticTurbochargedRoadster2014-2018

Comparison overview

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

Best choices

AUDI TTS Roadster (8S) 2.0 TFSI

  • Quickest 0-100 km/h
    4.9 s
  • Highest torque
    380 Nm
    280 lb-ft
  • Lowest combined fuel consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Lowest city consumption
    8.6 L/100 km
    27.4 mpg US
    32.8 mpg UK
  • Lowest highway consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest CO2 emissions
    163 g/km
  • Best estimated range
    775 km
    481 mi
  • Best economy score
    88/100
  • Best practicality score
    32/100

Porsche Boxster (981) GTS 3.4

  • Fastest top speed
    281 km/h
    175 mph
  • Most powerful
    330 hp
    246 kW
  • Lightest
    1,345 kg
    2,965 lb
  • Best power-to-weight
    245 hp/t
    183 kW/t
    4.1 kg/hp
  • Largest trunk
    280 L
  • Best overall score
    58/100
  • Best performance score
    70/100

Specification comparison

Specification comparison
ModelPorscheBoxster (981)GTS 3.4AUDITTS Roadster (8S)2.0 TFSI
Power
330hp246kW
310hp231kW
Torque
370Nm273lb-ft
380Nm280lb-ft
Curb weight
1,345kg2,965lb
1,470kg3,241lb
Gross weight
1,655kg3,649lb
1,790kg3,946lb
Top speed
281 km/h
175 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
65.6s99% target: 278 km/h / 173 mph
Calculated
61.7s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.0s
4.9s
0-200 km/h
15.6s
Calculated
17.0s
Calculated
0-60 mph
4.8s
Calculated
4.7s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Fuel consumption city
12.7L/100 km18.5mpg US22.2mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Quarter mile
13.0s
Calculated
13.0s
Calculated
Power-to-weight
245hp/t183kW/t111hp/1000 lb
Calculated
211hp/t157kW/t96hp/1000 lb
Calculated
Torque-to-weight
275Nm/t184lb-ft/ton
Calculated
259Nm/t173lb-ft/ton
Calculated
Estimated range
711km442mi
Calculated
775km481mi
Calculated
Displacement
3,436cc210cu in
1,984cc121cu in
Length
4,404mm173in
4,191mm165in
Width
1,801mm71in
1,832mm72in
Height
1,273mm50in
1,345mm53in
Wheelbase
2,475mm97in
2,505mm99in
Front track-
1,574mm62in
Rear track-
1,553mm61in
Trunk volume
280L
280L
Doors
2
2
Seats
2
2
Fuel tank
64L
55L
CO2 emissions
211g/km
163g/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 (981) GTS 3.4AUDI TTS Roadster (8S) 2.0 TFSIPowerTorque
  • Porsche Boxster (981) GTS 3.4: Power / Torque
  • AUDI TTS Roadster (8S) 2.0 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheBoxster (981)GTS 3.46,700 rpm4,500-5,800 rpm6,950 rpm
AUDITTS Roadster (8S)2.0 TFSI5,800-6,200 rpm1,800-5,700 rpm6,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheBoxster (981)GTS 3.4AUDITTS Roadster (8S)2.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
4.7 s
0-100 km/h
0-62 mph
5.0 s
4.9 s
0-200 km/h
0-124 mph
15.6 s
17.0 s
Top speed
281 km/h
175 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.3 s
2.2 s
330 ft
101 m
5.8 s
5.7 s
1/8 mile
201 m
8.6 s
8.5 s
1000 ft
305 m
11.0 s
11.0 s
1/4 mile
402 m
13.0 s
13.0 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
178 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
PorscheBoxster (981)GTS 3.4
330 hp
246 kW
AUDITTS Roadster (8S)2.0 TFSI
310 hp
231 kW

Porsche Boxster (981) GTS 3.4 has 20 hp more than AUDI TTS Roadster (8S) 2.0 TFSI.

The biggest power difference is between AUDI TTS Roadster (8S) 2.0 TFSI and Porsche Boxster (981) GTS 3.4: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheBoxster (981)GTS 3.4
370 Nm
273 lb-ft
AUDITTS Roadster (8S)2.0 TFSI
380 Nm
280 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheBoxster (981)GTS 3.4
1,345 kg
2,965 lb
AUDITTS Roadster (8S)2.0 TFSI
1,470 kg
3,241 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 (981)GTS 3.4
281 km/h
175 mph
AUDITTS Roadster (8S)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 (981)GTS 3.45.0 s
AUDITTS Roadster (8S)2.0 TFSI4.9 s

Although Porsche Boxster (981) GTS 3.4 has more power, AUDI TTS Roadster (8S) 2.0 TFSI is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI TTS Roadster (8S) 2.0 TFSI and Porsche Boxster (981) GTS 3.4: 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 (981)GTS 3.4
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
AUDITTS Roadster (8S)2.0 TFSI
7.1 L/100 km
33.1 mpg US
39.8 mpg UK

The biggest fuel consumption difference is between AUDI TTS Roadster (8S) 2.0 TFSI and Porsche Boxster (981) GTS 3.4: 1.9 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
PorscheBoxster (981)GTS 3.4
245 hp/t
183 kW/t
4.1 kg/hp
AUDITTS Roadster (8S)2.0 TFSI
211 hp/t
157 kW/t
4.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheBoxster (981)GTS 3.4
711 km
442 mi
AUDITTS Roadster (8S)2.0 TFSI
775 km
481 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheBoxster (981)GTS 3.4
330 hp
246 kW
5.0 s
281 km/h
175 mph
AUDITTS Roadster (8S)2.0 TFSI
310 hp
231 kW
4.9 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 (981)GTS 3.4
Power
330 hp
246 kW
0-100 km/h5.0 s
Top speed
281 km/h
175 mph
Doors/seats
2 doors
2 seats
Trunk
280 L
9.9 cu ft
Length
4,404 mm
173.4 in
Height
1,273 mm
50.1 in
AUDITTS Roadster (8S)2.0 TFSI
Power
310 hp
231 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
280 L
9.9 cu ft
Length
4,191 mm
165.0 in
Height
1,345 mm
53.0 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 (981)GTS 3.4
Power
330 hp
246 kW
0-100 km/h5.0 s
Top speed
281 km/h
175 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
AUDITTS Roadster (8S)2.0 TFSI
Power
310 hp
231 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.1 L/100 km
33.1 mpg US
39.8 mpg UK

AUDI TTS Roadster (8S) 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 (981)GTS 3.4
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
5.0 s
AUDITTS Roadster (8S)2.0 TFSI
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
4.9 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 (981)GTS 3.4
245 hp/t
183 kW/t
4.1 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
AUDITTS Roadster (8S)2.0 TFSI
211 hp/t
157 kW/t
4.7 kg/hp
7.1 L/100 km
33.1 mpg US
39.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheBoxster (981)GTS 3.4AUDITTS Roadster (8S)2.0 TFSI
Power
330 hp
246 kW
310 hp
231 kW
Torque
370 Nm
273 lb-ft
380 Nm
280 lb-ft
Acceleration
5.0 s
4.9 s
Top speed
281 km/h
175 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,345 kg
2,965 lb
1,470 kg
3,241 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
280 L
9.9 cu ft
Length
4,404 mm
173.4 in
Height
1,273 mm
50.1 in
Doors/seats
2 doors
2 seats
Trunk
280 L
9.9 cu ft
Length
4,191 mm
165.0 in
Height
1,345 mm
53.0 in
Range score
711 km
442 mi
775 km
481 mi
CO2 score
211 g/km
163 g/km
Trunk score
280 L
9.9 cu ft
280 L
9.9 cu ft
Power-to-weight score
245 hp/t
183 kW/t
4.1 kg/hp
211 hp/t
157 kW/t
4.7 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 (981) GTS 3.4AUDI TTS Roadster (8S) 2.0 TFSI
Consumption9 L/100 km26.1 mpg US31.4 mpg UK7.1 L/100 km33.1 mpg US39.8 mpg UK
Cost / 100 km15.75 LC100 km12.42 LC100 km
Cost / 100 mi25.35 LC100 mi20.00 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,065 L281 US gal234 UK gal
Annual fuel cost2,363 LC/year1,864 LC/year

Head-to-head comparisons

Porsche Boxster (981) GTS 3.4

  • Has 20 hp more
  • Is 125 kg lighter
  • Has 21 km/h (13 mph) higher top speed
  • Has 34 hp/t better power-to-weight

Pros

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

Cons

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

AUDI TTS Roadster (8S) 2.0 TFSI

  • Has 10 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 1.9 L/100 km less fuel
  • Has 64 km (39 mi) more estimated range
  • Emits 48 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Boxster (981) GTS 3.4
AUDI TTS Roadster (8S) 2.0 TFSI
Compare selected cars
2 vehicles selected

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