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Home›Consumption›Porsche 911 vs Porsche 718

Consumption comparison

Porsche 911 Carrera 4 GTS (MT) 992 vs Porsche 718 Cayman: how much do I save per year?

Same car, two powertrains. The simulator below calculates the gap based on your mileage and charging type.

PorschePetrol

911 Carrera 4 GTS (MT) 992

67 L · 2022

10,5 L/100km

VS
PorschePetrolMost economical

718 Cayman

54.131363 L · 2018

9,8 L/100km

MotorwayRange & chargingPerformance0-100, top speedConsumptionAnnual TCO

Annual mileage

15 000 km/an

5 000 km50 000 km

Simulated driving mix

Drag anywhere on the bar to adjust

Fuel price

Petrol 95 : 1,99 €/L·Diesel : 1,75 €/L

Annual energy cost · 15 000 km

Typical annual usage : Mix 30% city / 50% road / 20% motorway

PorschePetrol

911 Carrera 4 GTS (MT) 992

Annual energy cost · 15 000 km

3 397€

22,65 € / 100 km

Equivalent to 1 707 L of petrol 95 per year

Weighted consumption
11,4 L/100km
Fuel price
1,99 €/L
Fuel used
1707,0 L per year
PorschePetrolMost economical

718 Cayman

Annual energy cost · 15 000 km

2 967€

19,78 € / 100 km

Equivalent to 1 491 L of petrol 95 per year

Weighted consumption
9,9 L/100km
Fuel price
1,99 €/L
Fuel used
1491,0 L per year
Annual gap 718 Cayman vs 911 Carrera 4 GTS (MT)+430 €/an≈ 216 L petrol 95

Porsche 718 Cayman costs 430 €/an less in energy than Porsche 911 Carrera 4 GTS (MT) 992, over 15 000 km for this driving mix.

≈ 216 L of petrol 95 saved per year

Your savings over the ownership period

Cumulative projection by annual mileage. The cheaper-to-run vehicle widens the gap year after year.

Annual mileage

15 000 km/an

1 year

430 €

≈ 216 L petrol 95

3 years

1 289 €

≈ 648 L petrol 95

5 years

2 149 €

≈ 1080 L petrol 95

10 years

4 297 €

≈ 2160 L petrol 95

Cumulative savings for Porsche 718 Cayman versus Porsche 911 Carrera 4 GTS (MT) 992. Excluding purchase, insurance, maintenance and depreciation.

Annual fuel cost breakdown

Projection over 15 000 km/year.

Porsche

911 Carrera 4 GTS (MT) 992

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,226 €/km3 397 €
Porsche

718 Cayman

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,198 €/km2 967 €

Frequently asked questions

On a 100 km mixed trip, the Porsche 911 Carrera 4 GTS (MT) and Porsche 718 Cayman have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Porsche 718 Cayman is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.