Car comparison

Porsche 718 Cayman (982) GT4 RS 4.0vsAston Martin V8 Vantage 4.0 V8

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

Aston Martin V8 Vantage

4.0 V8

510 hp3982 ccGasolineRWDAutomaticTwin-turboCoupe2017-2024

Comparison overview

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

Best choices

Aston Martin V8 Vantage 4.0 V8

  • Most powerful
    510 hp
    380 kW
  • Highest torque
    685 Nm
    505 lb-ft
  • Lowest combined fuel consumption
    10.5 L/100 km
    22.4 mpg US
    26.9 mpg UK
  • Best estimated range
    695 km
    432 mi
  • Best overall score
    75/100
  • Best performance score
    92/100
  • Best economy score
    79/100

Porsche 718 Cayman (982) GT4 RS 4.0

  • Quickest 0-100 km/h
    3.4 s
  • Fastest top speed
    315 km/h
    196 mph
  • Lightest
    1,464 kg
    3,228 lb
  • Best power-to-weight
    337 hp/t
    251 kW/t
    3.0 kg/hp
  • Best practicality score
    39/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GT4 RS 4.0Aston MartinV8 Vantage4.0 V8
Power
493hp368kW
510hp380kW
Torque
449Nm331lb-ft
685Nm505lb-ft
Curb weight
1,464kg3,228lb
1,530kg3,373lb
Gross weight
1,771kg3,904lb
-
Top speed
315 km/h
196 mph
314 km/h
195 mph
To 99% top speed
48.6s99% target: 312 km/h / 194 mph
Calculated
50.9s99% target: 311 km/h / 193 mph
Calculated
0-100 km/h
3.4s
3.6s
0-200 km/h
9.6s
Calculated
10.1s
Calculated
0-60 mph
3.3s
Calculated
3.4s
Calculated
Fuel consumption
12.3L/100 km19.1mpg US23.0mpg UK
10.5L/100 km22.4mpg US26.9mpg UK
Fuel consumption city-
14.4L/100 km16.3mpg US19.6mpg UK
Fuel consumption highway-
8.2L/100 km28.7mpg US34.4mpg UK
Quarter mile
11.0s
Calculated
11.3s
Calculated
Power-to-weight
337hp/t251kW/t153hp/1000 lb
Calculated
333hp/t249kW/t151hp/1000 lb
Calculated
Torque-to-weight
307Nm/t205lb-ft/ton
Calculated
448Nm/t300lb-ft/ton
Calculated
Estimated range
520km323mi
Calculated
695km432mi
Calculated
Displacement
3,996cc244cu in
3,982cc243cu in
Length
4,455mm175in
4,465mm176in
Width
1,822mm72in
1,942mm76in
Height
1,267mm50in
1,273mm50in
Wheelbase
2,484mm98in
2,704mm106in
Ground clearance
102mm4in
-
Max trunk volume
136L
-
Doors
2
2
Seats
2
2
Fuel tank
64L
73L
CO2 emissions-
245g/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 RS 4.0Aston Martin V8 Vantage 4.0 V8PowerTorque
  • Porsche 718 Cayman (982) GT4 RS 4.0: Power / Torque
  • Aston Martin V8 Vantage 4.0 V8: 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
Aston MartinV8 Vantage4.0 V86,000 rpm2,000-5,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Cayman (982)GT4 RS 4.0Aston MartinV8 Vantage4.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.3 s
3.4 s
0-100 km/h
0-62 mph
3.4 s
3.6 s
0-200 km/h
0-124 mph
9.6 s
10.1 s
Top speed
315 km/h
196 mph
314 km/h
195 mph
Drag race simulation
60 ft
18 m
1.9 s
2.0 s
330 ft
101 m
4.9 s
5.0 s
1/8 mile
201 m
7.3 s
7.5 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
211 km/h
131 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
Aston MartinV8 Vantage4.0 V8
510 hp
380 kW

Aston Martin V8 Vantage 4.0 V8 has 17 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 Aston Martin V8 Vantage 4.0 V8: 17 hp (13 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
Aston MartinV8 Vantage4.0 V8
685 Nm
505 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
Aston MartinV8 Vantage4.0 V8
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 Cayman (982)GT4 RS 4.0
315 km/h
196 mph
Aston MartinV8 Vantage4.0 V8
314 km/h
195 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
Aston MartinV8 Vantage4.0 V83.6 s

Although Aston Martin V8 Vantage 4.0 V8 has more power, Porsche 718 Cayman (982) GT4 RS 4.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 718 Cayman (982) GT4 RS 4.0 and Aston Martin V8 Vantage 4.0 V8: 0.2 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
Aston MartinV8 Vantage4.0 V8
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

The biggest fuel consumption difference is between Aston Martin V8 Vantage 4.0 V8 and Porsche 718 Cayman (982) GT4 RS 4.0: 1.8 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 Cayman (982)GT4 RS 4.0
337 hp/t
251 kW/t
3.0 kg/hp
Aston MartinV8 Vantage4.0 V8
333 hp/t
249 kW/t
3.0 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
Aston MartinV8 Vantage4.0 V8
695 km
432 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
Aston MartinV8 Vantage4.0 V8
510 hp
380 kW
3.6 s
314 km/h
195 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
Aston MartinV8 Vantage4.0 V8
Power
510 hp
380 kW
0-100 km/h3.6 s
Top speed
314 km/h
195 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,465 mm
175.8 in
Height
1,273 mm
50.1 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
Aston MartinV8 Vantage4.0 V8
Power
510 hp
380 kW
0-100 km/h3.6 s
Top speed
314 km/h
195 mph
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

Aston Martin V8 Vantage 4.0 V8 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
Aston MartinV8 Vantage4.0 V8
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
3.6 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
Aston MartinV8 Vantage4.0 V8
333 hp/t
249 kW/t
3.0 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)GT4 RS 4.0Aston MartinV8 Vantage4.0 V8
Power
493 hp
368 kW
510 hp
380 kW
Torque
449 Nm
331 lb-ft
685 Nm
505 lb-ft
Acceleration
3.4 s
3.6 s
Top speed
315 km/h
196 mph
314 km/h
195 mph
Lightness
1,464 kg
3,228 lb
1,530 kg
3,373 lb
Fuel consumption
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
10.5 L/100 km
22.4 mpg US
26.9 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-
Length
4,465 mm
175.8 in
Height
1,273 mm
50.1 in
Range score
520 km
323 mi
695 km
432 mi
CO2 score
-
245 g/km
Trunk score
136 L
4.8 cu ft
-
Power-to-weight score
337 hp/t
251 kW/t
3.0 kg/hp
333 hp/t
249 kW/t
3.0 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 4.0Aston Martin V8 Vantage 4.0 V8
Consumption12.3 L/100 km19.1 mpg US23 mpg UK10.5 L/100 km22.4 mpg US26.9 mpg UK
Cost / 100 km21.53 LC100 km18.38 LC100 km
Cost / 100 mi34.64 LC100 mi29.57 LC100 mi
Annual fuel used1,845 L487 US gal406 UK gal1,575 L416 US gal346 UK gal
Annual fuel cost3,229 LC/year2,756 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GT4 RS 4.0

  • Is 66 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 1 km/h (1 mph) higher top speed
  • Has 3 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Highest combined fuel consumption

Aston Martin V8 Vantage 4.0 V8

  • Has 17 hp more
  • Has 236 Nm more
  • Uses 1.8 L/100 km less fuel
  • Has 175 km (109 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) GT4 RS 4.0
Aston Martin V8 Vantage 4.0 V8
Compare selected cars
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