Car comparison

Porsche 718 Boxster (982) GTS 2.5vsAUDI TT RS Roadster (8S) 2.5 TFSI

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

New comparison

Porsche 718 Boxster (982)

GTS 2.5

365 hp2497 ccGasolineRWDDual-clutchTurbochargedCabriolet / convertible2017-2018
VS

AUDI TT RS Roadster (8S)

2.5 TFSI

400 hp2480 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2016-2018

Comparison overview

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

Best choices

Porsche 718 Boxster (982) GTS 2.5

  • Fastest top speed
    300 km/h
    186 mph Unrestricted
    290 km/h
    180 mph Restricted
  • Lightest
    1,405 kg
    3,097 lb
  • Lowest combined fuel consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest city consumption
    10.9 L/100 km
    21.6 mpg US
    25.9 mpg UK
  • Lowest highway consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Lowest CO2 emissions
    186 g/km
  • Best estimated range
    780 km
    485 mi
  • Best performance score
    77/100
  • Best economy score
    85/100

AUDI TT RS Roadster (8S) 2.5 TFSI

  • Quickest 0-100 km/h
    3.9 s
  • Most powerful
    400 hp
    298 kW
  • Highest torque
    480 Nm
    354 lb-ft
  • Best power-to-weight
    261 hp/t
    195 kW/t
    3.8 kg/hp
  • Largest trunk
    280 L
  • Best overall score
    63/100
  • Best practicality score
    34/100

Specification comparison

Specification comparison
ModelPorsche718 Boxster (982)GTS 2.5AUDITT RS Roadster (8S)2.5 TFSI
Power
365hp272kW
400hp298kW
Torque
430Nm317lb-ft
480Nm354lb-ft
Curb weight
1,405kg3,097lb
1,530kg3,373lb
Gross weight
1,705kg3,759lb
1,850kg4,079lb
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
62.5s99% target: 297 km/h / 185 mph
Calculated
49.5s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.3s
3.9s
0-200 km/h
12.9s
Calculated
13.6s
Calculated
0-60 mph
4.1s
Calculated
3.7s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Fuel consumption city
10.9L/100 km21.6mpg US25.9mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption highway
6.6L/100 km35.6mpg US42.8mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile
12.2s
Calculated
12.0s
Calculated
Power-to-weight
260hp/t194kW/t118hp/1000 lb
Calculated
261hp/t195kW/t119hp/1000 lb
Calculated
Torque-to-weight
306Nm/t205lb-ft/ton
Calculated
314Nm/t210lb-ft/ton
Calculated
Estimated range
780km485mi
Calculated
647km402mi
Calculated
Displacement
2,497cc152cu in
2,480cc151cu in
Length
4,379mm172in
4,191mm165in
Width
1,801mm71in
1,832mm72in
Height
1,272mm50in
1,346mm53in
Wheelbase
2,475mm97in
2,505mm99in
Front track-
1,564mm62in
Rear track-
1,543mm61in
Trunk volume
150L
280L
Max trunk volume
275L
-
Doors
2
2
Seats
2
2
Fuel tank
64L
55L
CO2 emissions
186g/km
194g/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 718 Boxster (982) GTS 2.5AUDI TT RS Roadster (8S) 2.5 TFSIPowerTorque
  • Porsche 718 Boxster (982) GTS 2.5: Power / Torque
  • AUDI TT RS Roadster (8S) 2.5 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Boxster (982)GTS 2.56,500 rpm1,900-5,000 rpm6,750 rpm
AUDITT RS Roadster (8S)2.5 TFSI5,850-7,000 rpm1,700-5,850 rpm7,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Boxster (982)GTS 2.5AUDITT RS Roadster (8S)2.5 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
4.1 s
3.7 s
0-100 km/h
0-62 mph
4.3 s
3.9 s
0-200 km/h
0-124 mph
12.9 s
13.6 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.0 s
330 ft
101 m
5.4 s
5.2 s
1/8 mile
201 m
8.1 s
7.8 s
1000 ft
305 m
10.3 s
10.1 s
1/4 mile
402 m
12.2 s
12.0 s
Trap speed
1/4 mile
402 m
194 km/h
121 mph
190 km/h
118 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
365 hp
272 kW
AUDITT RS Roadster (8S)2.5 TFSI
400 hp
298 kW

AUDI TT RS Roadster (8S) 2.5 TFSI has 35 hp more than Porsche 718 Boxster (982) GTS 2.5.

The biggest power difference is between Porsche 718 Boxster (982) GTS 2.5 and AUDI TT RS Roadster (8S) 2.5 TFSI: 35 hp (26 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
430 Nm
317 lb-ft
AUDITT RS Roadster (8S)2.5 TFSI
480 Nm
354 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
1,405 kg
3,097 lb
AUDITT RS Roadster (8S)2.5 TFSI
1,530 kg
3,373 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
AUDITT RS Roadster (8S)2.5 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
Porsche718 Boxster (982)GTS 2.54.3 s
AUDITT RS Roadster (8S)2.5 TFSI3.9 s

The biggest 0-100 km/h difference is between AUDI TT RS Roadster (8S) 2.5 TFSI and Porsche 718 Boxster (982) GTS 2.5: 0.4 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
AUDITT RS Roadster (8S)2.5 TFSI
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
260 hp/t
194 kW/t
3.8 kg/hp
AUDITT RS Roadster (8S)2.5 TFSI
261 hp/t
195 kW/t
3.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
780 km
485 mi
AUDITT RS Roadster (8S)2.5 TFSI
647 km
402 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Boxster (982)GTS 2.5
365 hp
272 kW
4.3 s
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
AUDITT RS Roadster (8S)2.5 TFSI
400 hp
298 kW
3.9 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
Porsche718 Boxster (982)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.3 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,272 mm
50.1 in
AUDITT RS Roadster (8S)2.5 TFSI
Power
400 hp
298 kW
0-100 km/h3.9 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
1,346 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
Porsche718 Boxster (982)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.3 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
AUDITT RS Roadster (8S)2.5 TFSI
Power
400 hp
298 kW
0-100 km/h3.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

Porsche 718 Boxster (982) GTS 2.5 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
Porsche718 Boxster (982)GTS 2.5
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
4.3 s
AUDITT RS Roadster (8S)2.5 TFSI
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
3.9 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
Porsche718 Boxster (982)GTS 2.5
260 hp/t
194 kW/t
3.8 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
AUDITT RS Roadster (8S)2.5 TFSI
261 hp/t
195 kW/t
3.8 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Boxster (982)GTS 2.5AUDITT RS Roadster (8S)2.5 TFSI
Power
365 hp
272 kW
400 hp
298 kW
Torque
430 Nm
317 lb-ft
480 Nm
354 lb-ft
Acceleration
4.3 s
3.9 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,405 kg
3,097 lb
1,530 kg
3,373 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,272 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
1,346 mm
53.0 in
Range score
780 km
485 mi
647 km
402 mi
CO2 score
186 g/km
194 g/km
Trunk score
150 L
5.3 cu ft
280 L
9.9 cu ft
Power-to-weight score
260 hp/t
194 kW/t
3.8 kg/hp
261 hp/t
195 kW/t
3.8 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 718 Boxster (982) GTS 2.5AUDI TT RS Roadster (8S) 2.5 TFSI
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK8.5 L/100 km27.7 mpg US33.2 mpg UK
Cost / 100 km14.35 LC100 km14.88 LC100 km
Cost / 100 mi23.09 LC100 mi23.94 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,275 L337 US gal280 UK gal
Annual fuel cost2,153 LC/year2,231 LC/year

Head-to-head comparisons

Porsche 718 Boxster (982) GTS 2.5

  • Is 125 kg lighter
  • Has 40 km/h (25 mph) higher top speed
  • Uses 0.3 L/100 km less fuel
  • Has 133 km (83 mi) more estimated range
  • Emits 8 g/km less CO2

Pros

  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Smallest trunk

AUDI TT RS Roadster (8S) 2.5 TFSI

  • Has 35 hp more
  • Has 50 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 2 hp/t better power-to-weight
  • Has 130 L more trunk volume

Pros

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

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Boxster (982) GTS 2.5
AUDI TT RS Roadster (8S) 2.5 TFSI
Compare selected cars
2 vehicles selected

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