Car comparison

Porsche 718 Boxster (982) S 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)

S 2.5

350 hp2497 ccGasolineRWDManualTurbochargedCabriolet / convertible2016-2018
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) S 2.5

  • Fastest top speed
    285 km/h
    177 mph
  • Lightest
    1,355 kg
    2,987 lb
  • Lowest combined fuel consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Lowest city consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest CO2 emissions
    184 g/km
  • Best estimated range
    790 km
    491 mi
  • Best economy score
    85/100
  • Best practicality score
    34/100

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 performance score
    76/100

Specification comparison

Specification comparison
ModelPorsche718 Boxster (982)S 2.5AUDITT RS Roadster (8S)2.5 TFSI
Power
350hp261kW
400hp298kW
Torque
420Nm310lb-ft
480Nm354lb-ft
Curb weight
1,355kg2,987lb
1,530kg3,373lb
Gross weight
1,665kg3,671lb
1,850kg4,079lb
Top speed
285 km/h
177 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
61.6s99% target: 282 km/h / 175 mph
Calculated
49.5s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.6s
3.9s
0-200 km/h
14.2s
Calculated
13.6s
Calculated
0-60 mph
4.4s
Calculated
3.7s
Calculated
Fuel consumption
8.1L/100 km29mpg US34.9mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Fuel consumption city
10.7L/100 km22mpg US26.4mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile
12.6s
Calculated
12.0s
Calculated
Power-to-weight
258hp/t193kW/t117hp/1000 lb
Calculated
261hp/t195kW/t119hp/1000 lb
Calculated
Torque-to-weight
310Nm/t207lb-ft/ton
Calculated
314Nm/t210lb-ft/ton
Calculated
Estimated range
790km491mi
Calculated
647km402mi
Calculated
Displacement
2,497cc152cu in
2,480cc151cu in
Length
4,379mm172in
4,191mm165in
Width
1,801mm71in
1,832mm72in
Height
1,280mm50in
1,346mm53in
Wheelbase
2,475mm97in
2,505mm99in
Front track
1,515mm60in
1,564mm62in
Rear track
1,540mm61in
1,543mm61in
Trunk volume
275L
280L
Doors
2
2
Seats
2
2
Fuel tank
64L
55L
CO2 emissions
184g/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) S 2.5AUDI TT RS Roadster (8S) 2.5 TFSIPowerTorque
  • Porsche 718 Boxster (982) S 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)S 2.56,500 rpm1,900-4,500 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)S 2.5AUDITT RS Roadster (8S)2.5 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
3.7 s
0-100 km/h
0-62 mph
4.6 s
3.9 s
0-200 km/h
0-124 mph
14.2 s
13.6 s
Top speed
285 km/h
177 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.0 s
330 ft
101 m
5.6 s
5.2 s
1/8 mile
201 m
8.3 s
7.8 s
1000 ft
305 m
10.6 s
10.1 s
1/4 mile
402 m
12.6 s
12.0 s
Trap speed
1/4 mile
402 m
188 km/h
117 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)S 2.5
350 hp
261 kW
AUDITT RS Roadster (8S)2.5 TFSI
400 hp
298 kW

AUDI TT RS Roadster (8S) 2.5 TFSI has 50 hp more than Porsche 718 Boxster (982) S 2.5.

The biggest power difference is between Porsche 718 Boxster (982) S 2.5 and AUDI TT RS Roadster (8S) 2.5 TFSI: 50 hp (37 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
420 Nm
310 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)S 2.5
1,355 kg
2,987 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)S 2.5
285 km/h
177 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)S 2.54.6 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) S 2.5: 0.7 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)S 2.5
8.1 L/100 km
29.0 mpg US
34.9 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)S 2.5
258 hp/t
193 kW/t
3.9 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)S 2.5
790 km
491 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)S 2.5
350 hp
261 kW
4.6 s
285 km/h
177 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)S 2.5
Power
350 hp
261 kW
0-100 km/h4.6 s
Top speed
285 km/h
177 mph
Doors/seats
2 doors
2 seats
Trunk
275 L
9.7 cu ft
Length
4,379 mm
172.4 in
Height
1,280 mm
50.4 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)S 2.5
Power
350 hp
261 kW
0-100 km/h4.6 s
Top speed
285 km/h
177 mph
8.1 L/100 km
29.0 mpg US
34.9 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

AUDI TT RS Roadster (8S) 2.5 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
Porsche718 Boxster (982)S 2.5
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
4.6 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)S 2.5
258 hp/t
193 kW/t
3.9 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 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)S 2.5AUDITT RS Roadster (8S)2.5 TFSI
Power
350 hp
261 kW
400 hp
298 kW
Torque
420 Nm
310 lb-ft
480 Nm
354 lb-ft
Acceleration
4.6 s
3.9 s
Top speed
285 km/h
177 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,355 kg
2,987 lb
1,530 kg
3,373 lb
Fuel consumption
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
275 L
9.7 cu ft
Length
4,379 mm
172.4 in
Height
1,280 mm
50.4 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
790 km
491 mi
647 km
402 mi
CO2 score
184 g/km
194 g/km
Trunk score
275 L
9.7 cu ft
280 L
9.9 cu ft
Power-to-weight score
258 hp/t
193 kW/t
3.9 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) S 2.5AUDI TT RS Roadster (8S) 2.5 TFSI
Consumption8.1 L/100 km29 mpg US34.9 mpg UK8.5 L/100 km27.7 mpg US33.2 mpg UK
Cost / 100 km14.17 LC100 km14.88 LC100 km
Cost / 100 mi22.81 LC100 mi23.94 LC100 mi
Annual fuel used1,215 L321 US gal267 UK gal1,275 L337 US gal280 UK gal
Annual fuel cost2,126 LC/year2,231 LC/year

Head-to-head comparisons

Porsche 718 Boxster (982) S 2.5

  • Is 175 kg lighter
  • Has 25 km/h (16 mph) higher top speed
  • Uses 0.4 L/100 km less fuel
  • Has 143 km (89 mi) more estimated range
  • Emits 10 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 50 hp more
  • Has 60 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Has 3 hp/t better power-to-weight
  • Has 5 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) S 2.5
AUDI TT RS Roadster (8S) 2.5 TFSI
Compare selected cars
2 vehicles selected

Popular comparisons

S 2.5
4.0
VS
Porsche718 Boxster (982)S 2.5vsPorsche718 Spyder (982)4.0
2.5 TFSI
2.5 TFSI
VS
AUDITT RS Roadster (8S)2.5 TFSIvsAUDITT RS Roadster (8S)Facelift 20192.5 TFSI
S 2.5
S 2.5
VS
Porsche718 Boxster (982)S 2.5vsPorsche718 Cayman (982)S 2.5
2.5 TFSI
2.5 TFSI
VS
AUDITT RS Roadster (8S)2.5 TFSIvsAUDITT RS Coupe (8S)2.5 TFSI
S 2.5
Carrera 4 3.4
VS
Porsche718 Boxster (982)S 2.5vsPorsche911 Cabriolet (991)Carrera 4 3.4
2.5 TFSI
2.5 TFSI
VS
AUDITT RS Roadster (8S)2.5 TFSIvsAUDITT RS Coupe (8S)Facelift 20192.5 TFSI
S 2.5
Carrera 3.0
VS
Porsche718 Boxster (982)S 2.5vsPorsche911 Cabriolet (992)Carrera 3.0
2.5 TFSI
2.0 TFSI
VS
AUDITT RS Roadster (8S)2.5 TFSIvsAUDITTS Coupe (8S)2.0 TFSI
S 2.5
Carrera T 3.0
VS
Porsche718 Boxster (982)S 2.5vsPorsche911 Cabriolet (992)Facelift 2024Carrera T 3.0
2.5 TFSI
2.5 TFSI plus
VS
AUDITT RS Roadster (8S)2.5 TFSIvsAUDITT RS Coupe (8J)Facelift 20102.5 TFSI plus
S 2.5
3.0 V6
VS
Porsche718 Boxster (982)S 2.5vsJaguarF-type ConvertibleFacelift 20173.0 V6
2.5 TFSI
2.5 TFSI plus
VS
AUDITT RS Roadster (8S)2.5 TFSIvsAUDITT RS Roadster (8J)Facelift 20102.5 TFSI plus
Porsche 718 Boxster (982) S 2.5 vs AUDI TT RS Roadster (8S) 2.5 TFSI - car comparison - FastVsFaster