Car comparison

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

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

New comparison

Porsche 718 Cayman (982)

GT4 RS 4.0

493 hp3996 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2022-present
VS

Porsche 718 Spyder (982)

RS 4.0

500 hp3996 ccGasolineRWDDual-clutchNaturally aspiratedCabriolet / convertible2023-present

Comparison overview

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

Best choices

Porsche 718 Cayman (982) GT4 RS 4.0

  • Quickest 0-100 km/h
    3.4 s
  • Fastest top speed
    315 km/h
    196 mph
  • Lowest combined fuel consumption
    12.3 L/100 km
    19.1 mpg US
    23.0 mpg UK
  • Best estimated range
    520 km
    323 mi
  • Largest trunk
    136 L
  • Best overall score
    72/100
  • Best performance score
    87/100
  • Best economy score
    74/100
  • Best practicality score
    39/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GT4 RS 4.0Porsche718 Spyder (982)RS 4.0
Power
493hp368kW
500hp373kW
Torque
449Nm331lb-ft
450Nm332lb-ft
Curb weight
1,464kg3,228lb
1,410kg3,109lb
Gross weight
1,771kg3,904lb
1,755kg3,869lb
Top speed
315 km/h
196 mph
308 km/h
191 mph
To 99% top speed
48.2s99% target: 312 km/h / 194 mph
Calculated
63.1s99% target: 305 km/h / 189 mph
Calculated
0-100 km/h
3.4s
3.4s
0-200 km/h
9.6s
Calculated
10.9s
0-60 mph
3.3s
Calculated
3.2s
Calculated
Fuel consumption
12.3L/100 km19.1mpg US23.0mpg UK
13L/100 km18.1mpg US21.7mpg UK
Quarter mile
11.0s
Calculated
11.3s
Calculated
Power-to-weight
337hp/t251kW/t153hp/1000 lb
Calculated
355hp/t264kW/t161hp/1000 lb
Calculated
Torque-to-weight
307Nm/t205lb-ft/ton
Calculated
319Nm/t214lb-ft/ton
Calculated
Estimated range
520km323mi
Calculated
415km258mi
Calculated
Displacement
3,996cc244cu in
3,996cc244cu in
Length
4,455mm175in
4,418mm174in
Width
1,822mm72in
1,822mm72in
Height
1,267mm50in
1,252mm49in
Wheelbase
2,484mm98in
2,482mm98in
Front track-
1,545mm61in
Rear track-
1,542mm61in
Ground clearance
102mm4in
79mm3in
Trunk volume-
120L
Max trunk volume
136L
-
Doors
2
2
Seats
2
2
Fuel tank
64L
54L

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 Cayman (982) GT4 RS 4.0Porsche 718 Spyder (982) RS 4.0PowerTorque
  • Porsche 718 Cayman (982) GT4 RS 4.0: Power / Torque
  • Porsche 718 Spyder (982) RS 4.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Cayman (982)GT4 RS 4.08,400 rpm6,250 rpm9,000 rpm
Porsche718 Spyder (982)RS 4.08,400 rpm6,750 rpm9,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Cayman (982)GT4 RS 4.0Porsche718 Spyder (982)RS 4.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.3 s
3.2 s
0-100 km/h
0-62 mph
3.4 s
3.4 s
0-200 km/h
0-124 mph
9.6 s
10.9 s
Top speed
315 km/h
196 mph
308 km/h
191 mph
Drag race simulation
60 ft
18 m
1.9 s
1.8 s
330 ft
101 m
4.9 s
4.9 s
1/8 mile
201 m
7.3 s
7.3 s
1000 ft
305 m
9.3 s
9.5 s
1/4 mile
402 m
11.0 s
11.3 s
Trap speed
1/4 mile
402 m
215 km/h
134 mph
203 km/h
126 mph

Power comparison

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

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

Porsche 718 Spyder (982) RS 4.0 has 7 hp more than Porsche 718 Cayman (982) GT4 RS 4.0.

The biggest power difference is between Porsche 718 Cayman (982) GT4 RS 4.0 and Porsche 718 Spyder (982) RS 4.0: 7 hp (5 kW).

Torque comparison

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

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

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GT4 RS 4.0
1,464 kg
3,228 lb
Porsche718 Spyder (982)RS 4.0
1,410 kg
3,109 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 Cayman (982)GT4 RS 4.0
315 km/h
196 mph
Porsche718 Spyder (982)RS 4.0
308 km/h
191 mph

0-100 km/h comparison

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

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

Although Porsche 718 Spyder (982) RS 4.0 has more power, Porsche 718 Cayman (982) GT4 RS 4.0 is quicker from 0-100 km/h.

Fuel consumption comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GT4 RS 4.0
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Porsche718 Spyder (982)RS 4.0
13.0 L/100 km
18.1 mpg US
21.7 mpg UK

The biggest fuel consumption difference is between Porsche 718 Cayman (982) GT4 RS 4.0 and Porsche 718 Spyder (982) RS 4.0: 0.7 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 Cayman (982)GT4 RS 4.0
337 hp/t
251 kW/t
3.0 kg/hp
Porsche718 Spyder (982)RS 4.0
355 hp/t
264 kW/t
2.8 kg/hp

Estimated range comparison

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

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

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Cayman (982)GT4 RS 4.0
493 hp
368 kW
3.4 s
315 km/h
196 mph
Porsche718 Spyder (982)RS 4.0
500 hp
373 kW
3.4 s
308 km/h
191 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 Cayman (982)GT4 RS 4.0
Power
493 hp
368 kW
0-100 km/h3.4 s
Top speed
315 km/h
196 mph
Doors/seats
2 doors
2 seats
Trunk
136 L
4.8 cu ft
Length
4,455 mm
175.4 in
Height
1,267 mm
49.9 in
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

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 Cayman (982)GT4 RS 4.0
Power
493 hp
368 kW
0-100 km/h3.4 s
Top speed
315 km/h
196 mph
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
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

Porsche 718 Cayman (982) GT4 RS 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 Cayman (982)GT4 RS 4.0
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
3.4 s
Porsche718 Spyder (982)RS 4.0
13.0 L/100 km
18.1 mpg US
21.7 mpg UK
3.4 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 Cayman (982)GT4 RS 4.0
337 hp/t
251 kW/t
3.0 kg/hp
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)GT4 RS 4.0Porsche718 Spyder (982)RS 4.0
Power
493 hp
368 kW
500 hp
373 kW
Torque
449 Nm
331 lb-ft
450 Nm
332 lb-ft
Acceleration
3.4 s
3.4 s
Top speed
315 km/h
196 mph
308 km/h
191 mph
Lightness
1,464 kg
3,228 lb
1,410 kg
3,109 lb
Fuel consumption
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
13.0 L/100 km
18.1 mpg US
21.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
136 L
4.8 cu ft
Length
4,455 mm
175.4 in
Height
1,267 mm
49.9 in
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
Range score
520 km
323 mi
415 km
258 mi
Trunk score
136 L
4.8 cu ft
120 L
4.2 cu ft
Power-to-weight score
337 hp/t
251 kW/t
3.0 kg/hp
355 hp/t
264 kW/t
2.8 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 Cayman (982) GT4 RS 4.0Porsche 718 Spyder (982) RS 4.0
Consumption12.3 L/100 km19.1 mpg US23 mpg UK13 L/100 km18.1 mpg US21.7 mpg UK
Cost / 100 km21.53 LC100 km22.75 LC100 km
Cost / 100 mi34.64 LC100 mi36.61 LC100 mi
Annual fuel used1,845 L487 US gal406 UK gal1,950 L515 US gal429 UK gal
Annual fuel cost3,229 LC/year3,413 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GT4 RS 4.0

  • Has 7 km/h (4 mph) higher top speed
  • Uses 0.7 L/100 km less fuel
  • Has 105 km (65 mi) more estimated range
  • Has 16 L more trunk volume

Pros

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

Cons

  • Lowest power
  • Heaviest

Porsche 718 Spyder (982) RS 4.0

  • Has 7 hp more
  • Has 1 Nm more
  • Is 54 kg lighter
  • Has 18 hp/t better power-to-weight

Pros

  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) GT4 RS 4.0
Porsche 718 Spyder (982) RS 4.0
Compare selected cars
2 vehicles selected

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