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Home›Consumption›Porsche 718 vs BMW 220d

Consumption comparison

Porsche 718 Cayman S vs BMW 220d Convertible F22: 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

718 Cayman S

63.973429 L · 2018

10,7 L/100km

VS
BMWDieselMost economical

220d Convertible F22

52 L · 2018

5,1 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

718 Cayman S

Annual energy cost · 15 000 km

3 928€

26,19 € / 100 km

Equivalent to 1 974 L of petrol 95 per year

Weighted consumption
13,2 L/100km
Fuel price
1,99 €/L
Fuel used
1973,9 L per year
BMWPetrolMost economical

220d Convertible F22

Annual energy cost · 15 000 km

1 376€

9,17 € / 100 km

Equivalent to 691 L of petrol 95 per year

Weighted consumption
5,2 L/100km
Fuel price
1,75 €/L
Fuel used
786,0 L per year
Annual gap 220d Convertible vs 718 Cayman S+2 553 €/an≈ 1283 L petrol 95

BMW 220d Convertible F22 costs 2 553 €/an less in energy than Porsche 718 Cayman S, over 15 000 km for this driving mix.

≈ 1283 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

2 553 €

≈ 1283 L petrol 95

3 years

7 658 €

≈ 3848 L petrol 95

5 years

12 763 €

≈ 6413 L petrol 95

10 years

25 526 €

≈ 12827 L petrol 95

Cumulative savings for BMW 220d Convertible F22 versus Porsche 718 Cayman S. Excluding purchase, insurance, maintenance and depreciation.

Annual fuel cost breakdown

Projection over 15 000 km/year.

Porsche

718 Cayman S

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,262 €/km3 928 €
BMW

220d Convertible F22

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,092 €/km1 376 €

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Frequently asked questions

On a 100 km mixed trip, the BMW 220d Convertible is about 65% cheaper than the Porsche 718 Cayman S with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 220d Convertible is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.