Car comparison

Porsche 718 Spyder (982) RS 4.0vsPorsche 718 Cayman (982) GT4 4.0

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

New comparison

Porsche 718 Spyder (982)

RS 4.0

500 hp3996 ccGasolineRWDDual-clutchNaturally aspiratedCabriolet / convertible2023-present
VS

Porsche 718 Cayman (982)

GT4 4.0

420 hp3995 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2020-present

Comparison overview

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

Best choices

Porsche 718 Spyder (982) RS 4.0

  • Quickest 0-100 km/h
    3.4 s
  • Fastest top speed
    308 km/h
    191 mph
  • Most powerful
    500 hp
    373 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Lightest
    1,410 kg
    3,109 lb
  • Best power-to-weight
    355 hp/t
    264 kW/t
    2.8 kg/hp
  • Best overall score
    68/100
  • Best performance score
    87/100

Porsche 718 Cayman (982) GT4 4.0

  • Lowest combined fuel consumption
    10.2 L/100 km
    23.1 mpg US
    27.7 mpg UK
  • Best estimated range
    627 km
    390 mi
  • Largest trunk
    270 L
  • Best economy score
    79/100
  • Best practicality score
    37/100

Specification comparison

Specification comparison
ModelPorsche718 Spyder (982)RS 4.0Porsche718 Cayman (982)GT4 4.0
Power
500hp373kW
420hp313kW
Torque
450Nm332lb-ft
430Nm317lb-ft
Curb weight
1,410kg3,109lb
1,450kg3,197lb
Gross weight
1,755kg3,869lb
1,780kg3,924lb
Top speed
308 km/h
191 mph
302 km/h
188 mph
To 99% top speed
63.1s99% target: 305 km/h / 189 mph
Calculated
80.8s99% target: 299 km/h / 186 mph
Calculated
0-100 km/h
3.4s
3.9s
0-200 km/h
10.9s
13.4s
0-60 mph
3.2s
Calculated
3.7s
Calculated
Fuel consumption
13L/100 km18.1mpg US21.7mpg UK
10.2L/100 km23.1mpg US27.7mpg UK
Fuel consumption city-
13.7L/100 km17.2mpg US20.6mpg UK
Fuel consumption highway-
8.1L/100 km29mpg US34.9mpg UK
Quarter mile
11.3s
Calculated
12.0s
Calculated
Power-to-weight
355hp/t264kW/t161hp/1000 lb
Calculated
290hp/t216kW/t131hp/1000 lb
Calculated
Torque-to-weight
319Nm/t214lb-ft/ton
Calculated
297Nm/t198lb-ft/ton
Calculated
Estimated range
415km258mi
Calculated
627km390mi
Calculated
Displacement
3,996cc244cu in
3,995cc244cu in
Length
4,418mm174in
4,456mm175in
Width
1,822mm72in
1,801mm71in
Height
1,252mm49in
1,269mm50in
Wheelbase
2,482mm98in
2,484mm98in
Front track
1,545mm61in
1,538mm61in
Rear track
1,542mm61in
1,534mm60in
Ground clearance
79mm3in
-
Trunk volume
120L
270L
Doors
2
2
Seats
2
2
Fuel tank
54L
64L

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 Spyder (982) RS 4.0Porsche 718 Cayman (982) GT4 4.0PowerTorque
  • Porsche 718 Spyder (982) RS 4.0: Power / Torque
  • Porsche 718 Cayman (982) GT4 4.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Spyder (982)RS 4.08,400 rpm6,750 rpm9,000 rpm
Porsche718 Cayman (982)GT4 4.07,600 rpm5,500 rpm8,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Spyder (982)RS 4.0Porsche718 Cayman (982)GT4 4.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.2 s
3.7 s
0-100 km/h
0-62 mph
3.4 s
3.9 s
0-200 km/h
0-124 mph
10.9 s
13.4 s
Top speed
308 km/h
191 mph
302 km/h
188 mph
Drag race simulation
60 ft
18 m
1.8 s
1.9 s
330 ft
101 m
4.9 s
5.1 s
1/8 mile
201 m
7.3 s
7.8 s
1000 ft
305 m
9.5 s
10.1 s
1/4 mile
402 m
11.3 s
12.0 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
190 km/h
118 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Spyder (982)RS 4.0
500 hp
373 kW
Porsche718 Cayman (982)GT4 4.0
420 hp
313 kW

Porsche 718 Spyder (982) RS 4.0 has 80 hp more than Porsche 718 Cayman (982) GT4 4.0.

The biggest power difference is between Porsche 718 Cayman (982) GT4 4.0 and Porsche 718 Spyder (982) RS 4.0: 80 hp (60 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Spyder (982)RS 4.0
450 Nm
332 lb-ft
Porsche718 Cayman (982)GT4 4.0
430 Nm
317 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Spyder (982)RS 4.0
1,410 kg
3,109 lb
Porsche718 Cayman (982)GT4 4.0
1,450 kg
3,197 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 Spyder (982)RS 4.0
308 km/h
191 mph
Porsche718 Cayman (982)GT4 4.0
302 km/h
188 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Porsche718 Spyder (982)RS 4.03.4 s
Porsche718 Cayman (982)GT4 4.03.9 s

The biggest 0-100 km/h difference is between Porsche 718 Spyder (982) RS 4.0 and Porsche 718 Cayman (982) GT4 4.0: 0.5 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 Spyder (982)RS 4.0
13.0 L/100 km
18.1 mpg US
21.7 mpg UK
Porsche718 Cayman (982)GT4 4.0
10.2 L/100 km
23.1 mpg US
27.7 mpg UK

The biggest fuel consumption difference is between Porsche 718 Cayman (982) GT4 4.0 and Porsche 718 Spyder (982) RS 4.0: 2.8 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
Porsche718 Spyder (982)RS 4.0
355 hp/t
264 kW/t
2.8 kg/hp
Porsche718 Cayman (982)GT4 4.0
290 hp/t
216 kW/t
3.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Spyder (982)RS 4.0
415 km
258 mi
Porsche718 Cayman (982)GT4 4.0
627 km
390 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Spyder (982)RS 4.0
500 hp
373 kW
3.4 s
308 km/h
191 mph
Porsche718 Cayman (982)GT4 4.0
420 hp
313 kW
3.9 s
302 km/h
188 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 Spyder (982)RS 4.0
Power
500 hp
373 kW
0-100 km/h3.4 s
Top speed
308 km/h
191 mph
Doors/seats
2 doors
2 seats
Trunk
120 L
4.2 cu ft
Length
4,418 mm
173.9 in
Height
1,252 mm
49.3 in
Porsche718 Cayman (982)GT4 4.0
Power
420 hp
313 kW
0-100 km/h3.9 s
Top speed
302 km/h
188 mph
Doors/seats
2 doors
2 seats
Trunk
270 L
9.5 cu ft
Length
4,456 mm
175.4 in
Height
1,269 mm
50.0 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 Spyder (982)RS 4.0
Power
500 hp
373 kW
0-100 km/h3.4 s
Top speed
308 km/h
191 mph
13.0 L/100 km
18.1 mpg US
21.7 mpg UK
Porsche718 Cayman (982)GT4 4.0
Power
420 hp
313 kW
0-100 km/h3.9 s
Top speed
302 km/h
188 mph
10.2 L/100 km
23.1 mpg US
27.7 mpg UK

Porsche 718 Cayman (982) GT4 4.0 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 Spyder (982)RS 4.0
13.0 L/100 km
18.1 mpg US
21.7 mpg UK
3.4 s
Porsche718 Cayman (982)GT4 4.0
10.2 L/100 km
23.1 mpg US
27.7 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 Spyder (982)RS 4.0
355 hp/t
264 kW/t
2.8 kg/hp
13.0 L/100 km
18.1 mpg US
21.7 mpg UK
Porsche718 Cayman (982)GT4 4.0
290 hp/t
216 kW/t
3.5 kg/hp
10.2 L/100 km
23.1 mpg US
27.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Spyder (982)RS 4.0Porsche718 Cayman (982)GT4 4.0
Power
500 hp
373 kW
420 hp
313 kW
Torque
450 Nm
332 lb-ft
430 Nm
317 lb-ft
Acceleration
3.4 s
3.9 s
Top speed
308 km/h
191 mph
302 km/h
188 mph
Lightness
1,410 kg
3,109 lb
1,450 kg
3,197 lb
Fuel consumption
13.0 L/100 km
18.1 mpg US
21.7 mpg UK
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
120 L
4.2 cu ft
Length
4,418 mm
173.9 in
Height
1,252 mm
49.3 in
Doors/seats
2 doors
2 seats
Trunk
270 L
9.5 cu ft
Length
4,456 mm
175.4 in
Height
1,269 mm
50.0 in
Range score
415 km
258 mi
627 km
390 mi
Trunk score
120 L
4.2 cu ft
270 L
9.5 cu ft
Power-to-weight score
355 hp/t
264 kW/t
2.8 kg/hp
290 hp/t
216 kW/t
3.5 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 718 Spyder (982) RS 4.0Porsche 718 Cayman (982) GT4 4.0
Consumption13 L/100 km18.1 mpg US21.7 mpg UK10.2 L/100 km23.1 mpg US27.7 mpg UK
Cost / 100 km22.75 LC100 km17.85 LC100 km
Cost / 100 mi36.61 LC100 mi28.73 LC100 mi
Annual fuel used1,950 L515 US gal429 UK gal1,530 L404 US gal337 UK gal
Annual fuel cost3,413 LC/year2,678 LC/year

Head-to-head comparisons

Porsche 718 Spyder (982) RS 4.0

  • Has 80 hp more
  • Has 20 Nm more
  • Is 40 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 6 km/h (4 mph) higher top speed
  • Has 65 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

Porsche 718 Cayman (982) GT4 4.0

  • Uses 2.8 L/100 km less fuel
  • Has 212 km (132 mi) more estimated range
  • Has 150 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 718 Spyder (982) RS 4.0
Porsche 718 Cayman (982) GT4 4.0
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