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Home›Consumption›BMW M440i vs Porsche Boxster

Consumption comparison

BMW M440i G22 vs Porsche Boxster Manual 987: how much do I save per year?

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

BMWPetrolMost economical

M440i G22

59 L · 2021

8,1 L/100km

VS
PorschePetrol

Boxster Manual 987

63.973429 L · 2010

10,7 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

BMWPetrolMost economical

M440i G22

Annual energy cost · 15 000 km

2 527€

16,84 € / 100 km

Equivalent to 1 270 L of petrol 95 per year

Weighted consumption
8,5 L/100km
Fuel price
1,99 €/L
Fuel used
1269,7 L per year
PorschePetrol

Boxster Manual 987

Annual energy cost · 15 000 km

3 847€

25,65 € / 100 km

Equivalent to 1 933 L of petrol 95 per year

Weighted consumption
12,9 L/100km
Fuel price
1,99 €/L
Fuel used
1933,4 L per year
Annual gap M440i vs Boxster Manual+1 321 €/an≈ 664 L petrol 95

BMW M440i G22 costs 1 321 €/an less in energy than Porsche Boxster Manual 987, over 15 000 km for this driving mix.

≈ 664 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

1 321 €

≈ 664 L petrol 95

3 years

3 962 €

≈ 1991 L petrol 95

5 years

6 604 €

≈ 3318 L petrol 95

10 years

13 207 €

≈ 6637 L petrol 95

Cumulative savings for BMW M440i G22 versus Porsche Boxster Manual 987. Excluding purchase, insurance, maintenance and depreciation.

Annual fuel cost breakdown

Projection over 15 000 km/year.

BMW

M440i G22

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,168 €/km2 527 €
Porsche

Boxster Manual 987

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,256 €/km3 847 €

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Frequently asked questions

On a 100 km mixed trip, the BMW M440i is about 35% cheaper than the Porsche Boxster Manual with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW M440i is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.