Porsche 718 Cayman GT4 vs Porsche 718 Boxster Spyder RS

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Porsche 718 Cayman GT4
$206,600 AUD
Porsche 718 Boxster Spyder RS
$336,800 AUD
Performance
Power309 kW▲ 368 kW
Torque420 Nm▲ 450 Nm
0–100 km/h4.4s▲ 3.4s
0–200 km/h13.8s▲ 10.9s
Top speed304 km/h▲ 308 km/h
Power-to-weight218 kW/t▲ 261 kW/t
Engine
EngineMid-engine naturally aspirated flat-6 3995ccMid-engine naturally aspirated flat-6 3996cc (GT3-derived)
Displacement3,995 cc3,996 cc
Cylinders66
AspirationNaturally aspiratedNaturally aspirated
HybridNoNo
Drivetrain
Driven wheelsRWDRWD
Transmission6-speed manual (7-speed PDK available)7-speed PDK
Efficiency
Fuel typePetrolPetrol
Fuel economy▲ 11 L/100km12.7 L/100km
CO₂▲ 258 g/km288 g/km
Fuel tank64 L64 L
EV-only rangeN/AN/A
BatteryN/AN/A
Dimensions & weight
Length4,456 mm4,418 mm
Width (excl mirrors)1,801 mm1,822 mm
Height1,269 mm1,252 mm
Wheelbase2,484 mm2,482 mm
Kerb weight1,420 kg▲ 1,410 kg
Wheels & brakes
Front tyre245/35 ZR20245/35 ZR20
Rear tyre295/30 ZR20295/30 ZR20
Carbon ceramic brakesN/AN/A
Ownership
Launch price$206,600 AUD$336,800 AUD
Warranty3 years unlimited km (12-year anti-corrosion)3 years unlimited km (12-year anti-corrosion)
Service interval15,000 km / 12 months15,000 km / 12 months
Production statusDiscontinuedDiscontinued

What each would cost to buy new

The price plus stamp duty, in the state you pick. Luxury car tax is already inside a new car’s price.

▲ marks the stronger figure. Prices are launch RRP before on-road costs. Specs checked 28 Jul 2026.

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