Car comparison

Porsche 718 Cayman (982) GT4 4.0vsPorsche Cayman (981C) GT4 3.8

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

New comparison

Porsche 718 Cayman (982)

GT4 4.0

420 hp3995 ccGasolineRWDManualNaturally aspiratedCoupe2020-present
VS

Porsche Cayman (981C)

GT4 3.8

385 hp3800 ccGasolineRWDManualNaturally aspiratedCoupe2015-2016

Comparison overview

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

Best choices

Porsche Cayman (981C) GT4 3.8

  • Lightest
    1,340 kg
    2,954 lb
  • Lowest combined fuel consumption
    10.3 L/100 km
    22.8 mpg US
    27.4 mpg UK
  • Lowest city consumption
    14.8 L/100 km
    15.9 mpg US
    19.1 mpg UK
  • Lowest highway consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Largest trunk
    425 L
  • Best overall score
    66/100
  • Best economy score
    79/100
  • Best practicality score
    42/100

Porsche 718 Cayman (982) GT4 4.0

  • Quickest 0-100 km/h
    4.4 s
  • Fastest top speed
    304 km/h
    189 mph
  • Most powerful
    420 hp
    313 kW
  • Highest torque
    420 Nm
    310 lb-ft
  • Best power-to-weight
    296 hp/t
    221 kW/t
    3.4 kg/hp
  • Best estimated range
    587 km
    365 mi
  • Best performance score
    79/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GT4 4.0PorscheCayman (981C)GT4 3.8
Power
420hp313kW
385hp287kW
Torque
420Nm310lb-ft
420Nm310lb-ft
Curb weight
1,420kg3,131lb
1,340kg2,954lb
Gross weight
1,750kg3,858lb
1,640kg3,616lb
Top speed
304 km/h
189 mph
295 km/h
183 mph
To 99% top speed
74.3s99% target: 301 km/h / 187 mph
Calculated
60.1s99% target: 292 km/h / 181 mph
Calculated
0-100 km/h
4.4s
4.4s
0-200 km/h
13.8s
13.1s
Calculated
0-60 mph
4.2s
Calculated
4.2s
Calculated
Fuel consumption
10.9L/100 km21.6mpg US25.9mpg UK
10.3L/100 km22.8mpg US27.4mpg UK
Fuel consumption city
15L/100 km15.7mpg US18.8mpg UK
14.8L/100 km15.9mpg US19.1mpg UK
Fuel consumption highway
8.5L/100 km27.7mpg US33.2mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
12.4s
Calculated
12.3s
Calculated
Power-to-weight
296hp/t221kW/t134hp/1000 lb
Calculated
287hp/t214kW/t130hp/1000 lb
Calculated
Torque-to-weight
296Nm/t198lb-ft/ton
Calculated
313Nm/t210lb-ft/ton
Calculated
Estimated range
587km365mi
Calculated
524km326mi
Calculated
Displacement
3,995cc244cu in
3,800cc232cu in
Length
4,456mm175in
4,438mm175in
Width
1,801mm71in
1,817mm72in
Height
1,269mm50in
1,266mm50in
Wheelbase
2,484mm98in
2,484mm98in
Front track
1,538mm61in
-
Rear track
1,534mm60in
-
Trunk volume
150L
425L
Doors
2
2
Seats
2
2
Fuel tank
64L
54L
CO2 emissions-
238g/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 Cayman (982) GT4 4.0Porsche Cayman (981C) GT4 3.8PowerTorque
  • Porsche 718 Cayman (982) GT4 4.0: Power / Torque
  • Porsche Cayman (981C) GT4 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Cayman (982)GT4 4.07,600 rpm5,000-6,800 rpm8,000 rpm
PorscheCayman (981C)GT4 3.87,400 rpm4,750-6,000 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Cayman (982)GT4 4.0PorscheCayman (981C)GT4 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
4.2 s
0-100 km/h
0-62 mph
4.4 s
4.4 s
0-200 km/h
0-124 mph
13.8 s
13.1 s
Top speed
304 km/h
189 mph
295 km/h
183 mph
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.4 s
5.5 s
1/8 mile
201 m
8.1 s
8.1 s
1000 ft
305 m
10.5 s
10.4 s
1/4 mile
402 m
12.4 s
12.3 s
Trap speed
1/4 mile
402 m
190 km/h
118 mph
194 km/h
120 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GT4 4.0
420 hp
313 kW
PorscheCayman (981C)GT4 3.8
385 hp
287 kW

Porsche 718 Cayman (982) GT4 4.0 has 35 hp more than Porsche Cayman (981C) GT4 3.8.

The biggest power difference is between Porsche Cayman (981C) GT4 3.8 and Porsche 718 Cayman (982) GT4 4.0: 35 hp (26 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GT4 4.0
420 Nm
310 lb-ft
PorscheCayman (981C)GT4 3.8
420 Nm
310 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GT4 4.0
1,420 kg
3,131 lb
PorscheCayman (981C)GT4 3.8
1,340 kg
2,954 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 4.0
304 km/h
189 mph
PorscheCayman (981C)GT4 3.8
295 km/h
183 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 4.04.4 s
PorscheCayman (981C)GT4 3.84.4 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 Cayman (982)GT4 4.0
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
PorscheCayman (981C)GT4 3.8
10.3 L/100 km
22.8 mpg US
27.4 mpg UK

The biggest fuel consumption difference is between Porsche Cayman (981C) GT4 3.8 and Porsche 718 Cayman (982) GT4 4.0: 0.6 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 4.0
296 hp/t
221 kW/t
3.4 kg/hp
PorscheCayman (981C)GT4 3.8
287 hp/t
214 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 4.0
587 km
365 mi
PorscheCayman (981C)GT4 3.8
524 km
326 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Cayman (982)GT4 4.0
420 hp
313 kW
4.4 s
304 km/h
189 mph
PorscheCayman (981C)GT4 3.8
385 hp
287 kW
4.4 s
295 km/h
183 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 4.0
Power
420 hp
313 kW
0-100 km/h4.4 s
Top speed
304 km/h
189 mph
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,456 mm
175.4 in
Height
1,269 mm
50.0 in
PorscheCayman (981C)GT4 3.8
Power
385 hp
287 kW
0-100 km/h4.4 s
Top speed
295 km/h
183 mph
Doors/seats
2 doors
2 seats
Trunk
425 L
15.0 cu ft
Length
4,438 mm
174.7 in
Height
1,266 mm
49.8 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 4.0
Power
420 hp
313 kW
0-100 km/h4.4 s
Top speed
304 km/h
189 mph
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
PorscheCayman (981C)GT4 3.8
Power
385 hp
287 kW
0-100 km/h4.4 s
Top speed
295 km/h
183 mph
10.3 L/100 km
22.8 mpg US
27.4 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 Cayman (982)GT4 4.0
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
4.4 s
PorscheCayman (981C)GT4 3.8
10.3 L/100 km
22.8 mpg US
27.4 mpg UK
4.4 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 4.0
296 hp/t
221 kW/t
3.4 kg/hp
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
PorscheCayman (981C)GT4 3.8
287 hp/t
214 kW/t
3.5 kg/hp
10.3 L/100 km
22.8 mpg US
27.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)GT4 4.0PorscheCayman (981C)GT4 3.8
Power
420 hp
313 kW
385 hp
287 kW
Torque
420 Nm
310 lb-ft
420 Nm
310 lb-ft
Acceleration
4.4 s
4.4 s
Top speed
304 km/h
189 mph
295 km/h
183 mph
Lightness
1,420 kg
3,131 lb
1,340 kg
2,954 lb
Fuel consumption
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
10.3 L/100 km
22.8 mpg US
27.4 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,456 mm
175.4 in
Height
1,269 mm
50.0 in
Doors/seats
2 doors
2 seats
Trunk
425 L
15.0 cu ft
Length
4,438 mm
174.7 in
Height
1,266 mm
49.8 in
Range score
587 km
365 mi
524 km
326 mi
CO2 score
-
238 g/km
Trunk score
150 L
5.3 cu ft
425 L
15.0 cu ft
Power-to-weight score
296 hp/t
221 kW/t
3.4 kg/hp
287 hp/t
214 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 4.0Porsche Cayman (981C) GT4 3.8
Consumption10.9 L/100 km21.6 mpg US25.9 mpg UK10.3 L/100 km22.8 mpg US27.4 mpg UK
Cost / 100 km19.08 LC100 km18.03 LC100 km
Cost / 100 mi30.70 LC100 mi29.01 LC100 mi
Annual fuel used1,635 L432 US gal360 UK gal1,545 L408 US gal340 UK gal
Annual fuel cost2,861 LC/year2,704 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GT4 4.0

  • Has 35 hp more
  • Has 9 km/h (6 mph) higher top speed
  • Has 8 hp/t better power-to-weight
  • Has 63 km (39 mi) more estimated range

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Porsche Cayman (981C) GT4 3.8

  • Is 80 kg lighter
  • Uses 0.6 L/100 km less fuel
  • Has 275 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) GT4 4.0
Porsche Cayman (981C) GT4 3.8
Compare selected cars
2 vehicles selected

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Porsche 718 Cayman (982) GT4 4.0 vs Porsche Cayman (981C) GT4 3.8 - car comparison - FastVsFaster