Car comparison

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

4.0

420 hp3995 ccGasolineRWDDual-clutchNaturally aspiratedCabriolet / convertible2020-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
  • Most powerful
    493 hp
    368 kW
  • Highest torque
    449 Nm
    331 lb-ft
  • Best power-to-weight
    337 hp/t
    251 kW/t
    3.0 kg/hp
  • Largest trunk
    136 L
  • Best overall score
    72/100
  • Best performance score
    87/100
  • Best practicality score
    39/100

Porsche 718 Spyder (982) 4.0

  • Lightest
    1,450 kg
    3,197 lb
  • Lowest combined fuel consumption
    10.2 L/100 km
    23.1 mpg US
    27.7 mpg UK
  • Best estimated range
    627 km
    390 mi
  • Best economy score
    79/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GT4 RS 4.0Porsche718 Spyder (982)4.0
Power
493hp368kW
420hp313kW
Torque
449Nm331lb-ft
430Nm317lb-ft
Curb weight
1,464kg3,228lb
1,450kg3,197lb
Gross weight
1,771kg3,904lb
1,750kg3,858lb
Top speed
315 km/h
196 mph
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Calculated
To 99% top speed
48.6s99% target: 312 km/h / 194 mph
Calculated
87.9s99% target: 307 km/h / 191 mph
Calculated
0-100 km/h
3.4s
3.9s
0-200 km/h
9.6s
Calculated
13.4s
0-60 mph
3.3s
Calculated
3.7s
Calculated
Fuel consumption
12.3L/100 km19.1mpg US23.0mpg 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
11.0s
Calculated
12.0s
Calculated
Power-to-weight
337hp/t251kW/t153hp/1000 lb
Calculated
290hp/t216kW/t131hp/1000 lb
Calculated
Torque-to-weight
307Nm/t205lb-ft/ton
Calculated
297Nm/t198lb-ft/ton
Calculated
Estimated range
520km323mi
Calculated
627km390mi
Calculated
Displacement
3,996cc244cu in
3,995cc244cu in
Length
4,455mm175in
4,430mm174in
Width
1,822mm72in
1,801mm71in
Height
1,267mm50in
1,258mm50in
Wheelbase
2,484mm98in
2,484mm98in
Front track-
1,538mm61in
Rear track-
1,534mm60in
Ground clearance
102mm4in
-
Trunk volume-
120L
Max trunk volume
136L
-
Doors
2
2
Seats
2
2
Fuel tank
64L
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 Cayman (982) GT4 RS 4.0Porsche 718 Spyder (982) 4.0PowerTorque
  • Porsche 718 Cayman (982) GT4 RS 4.0: Power / Torque
  • Porsche 718 Spyder (982) 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)4.07,600 rpm5,500 rpm8,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Cayman (982)GT4 RS 4.0Porsche718 Spyder (982)4.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.3 s
3.7 s
0-100 km/h
0-62 mph
3.4 s
3.9 s
0-200 km/h
0-124 mph
9.6 s
13.4 s
Top speed
315 km/h
196 mph
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Likely limited
Drag race simulation
60 ft
18 m
1.9 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
9.3 s
10.1 s
1/4 mile
402 m
11.0 s
12.0 s
Trap speed
1/4 mile
402 m
215 km/h
134 mph
190 km/h
118 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)4.0
420 hp
313 kW

Porsche 718 Cayman (982) GT4 RS 4.0 has 73 hp more than Porsche 718 Spyder (982) 4.0.

The biggest power difference is between Porsche 718 Spyder (982) 4.0 and Porsche 718 Cayman (982) GT4 RS 4.0: 73 hp (54 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)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 Cayman (982)GT4 RS 4.0
1,464 kg
3,228 lb
Porsche718 Spyder (982)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 Cayman (982)GT4 RS 4.0
315 km/h
196 mph
Porsche718 Spyder (982)4.0
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 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)4.03.9 s

The biggest 0-100 km/h difference is between Porsche 718 Cayman (982) GT4 RS 4.0 and Porsche 718 Spyder (982) 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 Cayman (982)GT4 RS 4.0
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Porsche718 Spyder (982)4.0
10.2 L/100 km
23.1 mpg US
27.7 mpg UK

The biggest fuel consumption difference is between Porsche 718 Spyder (982) 4.0 and Porsche 718 Cayman (982) GT4 RS 4.0: 2.1 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)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 Cayman (982)GT4 RS 4.0
520 km
323 mi
Porsche718 Spyder (982)4.0
627 km
390 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)4.0
420 hp
313 kW
3.9 s
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 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)4.0
Power
420 hp
313 kW
0-100 km/h3.9 s
Top speed
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Doors/seats
2 doors
2 seats
Trunk
120 L
4.2 cu ft
Length
4,430 mm
174.4 in
Height
1,258 mm
49.5 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)4.0
Power
420 hp
313 kW
0-100 km/h3.9 s
Top speed
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
10.2 L/100 km
23.1 mpg US
27.7 mpg UK

Porsche 718 Spyder (982) 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)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 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)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 Cayman (982)GT4 RS 4.0Porsche718 Spyder (982)4.0
Power
493 hp
368 kW
420 hp
313 kW
Torque
449 Nm
331 lb-ft
430 Nm
317 lb-ft
Acceleration
3.4 s
3.9 s
Top speed
315 km/h
196 mph
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Lightness
1,464 kg
3,228 lb
1,450 kg
3,197 lb
Fuel consumption
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
10.2 L/100 km
23.1 mpg US
27.7 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
4,430 mm
174.4 in
Height
1,258 mm
49.5 in
Range score
520 km
323 mi
627 km
390 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
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 Cayman (982) GT4 RS 4.0Porsche 718 Spyder (982) 4.0
Consumption12.3 L/100 km19.1 mpg US23 mpg UK10.2 L/100 km23.1 mpg US27.7 mpg UK
Cost / 100 km21.53 LC100 km17.85 LC100 km
Cost / 100 mi34.64 LC100 mi28.73 LC100 mi
Annual fuel used1,845 L487 US gal406 UK gal1,530 L404 US gal337 UK gal
Annual fuel cost3,229 LC/year2,678 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GT4 RS 4.0

  • Has 73 hp more
  • Has 19 Nm more
  • Is 0.5 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 47 hp/t better power-to-weight
  • Has 16 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest

Porsche 718 Spyder (982) 4.0

  • Is 14 kg lighter
  • Uses 2.1 L/100 km less fuel
  • Has 107 km (67 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • 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) 4.0
Compare selected cars
2 vehicles selected

Popular comparisons

GT4 RS 4.0
RS 4.0
VS
Porsche718 Cayman (982)GT4 RS 4.0vsPorsche718 Spyder (982)RS 4.0
4.0
GTS 4.0
VS
Porsche718 Spyder (982)4.0vsPorsche718 Boxster (982)GTS 4.0
4.0
GT4 4.0
VS
Porsche718 Spyder (982)4.0vsPorsche718 Cayman (982)GT4 4.0
GT4 RS 4.0
GT3 4.0
VS
Porsche718 Cayman (982)GT4 RS 4.0vsPorsche911 (992)GT3 4.0
4.0
Carrera S 3.0
VS
Porsche718 Spyder (982)4.0vsPorsche911 Cabriolet (992)Carrera S 3.0
GT4 RS 4.0
GT3 4.0
VS
Porsche718 Cayman (982)GT4 RS 4.0vsPorsche911 (992)Facelift 2024GT3 4.0
4.0
Carrera GTS 3.8
VS
Porsche718 Spyder (982)4.0vsPorsche911 Cabriolet (991)Carrera GTS 3.8
GT4 RS 4.0
GT3 4.0
VS
Porsche718 Cayman (982)GT4 RS 4.0vsPorsche911 (991 II)GT3 4.0
4.0
Carrera 3.0
VS
Porsche718 Spyder (982)4.0vsPorsche911 Cabriolet (992)Facelift 2024Carrera 3.0
GT4 RS 4.0
3.0
VS
Porsche718 Cayman (982)GT4 RS 4.0vsPorsche911 Dakar (992)3.0
4.0
5.0 V8
VS
Porsche718 Spyder (982)4.0vsJaguarF-type ConvertibleFacelift 20205.0 V8
GT4 RS 4.0
GT3 RS 4.0
VS
Porsche718 Cayman (982)GT4 RS 4.0vsPorsche911 (991)GT3 RS 4.0
Porsche 718 Cayman (982) GT4 RS 4.0 vs Porsche 718 Spyder (982) 4.0 - car comparison - FastVsFaster