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Home›Consumption›BMW 520e vs BMW 318d

Consumption comparison

BMW 520e G30 vs BMW 318d Steptronic G20: how much do I save per year?

Plug-in hybrid vs electric: the cost depends on your usage profile. Select your scenario below.

BMWPHEVMost economical

520e G30

11.2 kWh · 46 L · 2021

21,5 kWh/100km

VS
BMWDiesel

318d Steptronic G20

40 L · 2019

4,5 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

Charging type

Annual energy cost · 15 000 km

Typical annual usage : Mix 30% city / 50% road / 20% motorway · charging home (0,21 €/kWh)

BMWPHEVMost economical

520e G30

Annual energy cost · 15 000 km

1 092€

7,28 € / 100 km

Equivalent to 549 L of petrol 95 per year

EV mode
11623.222748815166 km · 524,79 €
Combustion mode
3376.7772511848348 km · 567,15 €
Weighted EV cons.
22,4 kWh/100km
Weighted combustion cons.
8,8 L/100km
BMWPetrol

318d Steptronic G20

Annual energy cost · 15 000 km

1 205€

8,03 € / 100 km

Equivalent to 605 L of petrol 95 per year

Weighted consumption
4,6 L/100km
Fuel price
1,75 €/L
Fuel used
688,5 L per year
Annual gap 520e vs 318d Steptronic+113 €/an≈ 65 L diesel

BMW 520e G30 costs 113 €/an less in energy than BMW 318d Steptronic G20, over 15 000 kmwith home for this driving mix.

≈ 65 L of diesel saved per year

By charging mix:
  • Home+113 €/an
  • AC station+113 €/an
  • Fast DC+113 €/an

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

113 €

≈ 57 L petrol 95

3 years

339 €

≈ 170 L petrol 95

5 years

565 €

≈ 284 L petrol 95

10 years

1 129 €

≈ 568 L petrol 95

Cumulative savings for BMW 520e G30 versus BMW 318d Steptronic G20. Excluding purchase, insurance, maintenance and depreciation.

Annual cost breakdown by charging mix

Projection over 15 000 km/year, by proportion of each charging type.

BMW

520e G30

Charging mixkm/year€/kmAnnual cost
100% Homeoff-peak rate · 0,21 €/kWh15 000 km3 225 kWh0,175 €/km2 626 €
100% AC stationpublic AC rate · 0,30 €/kWh15 000 km3 225 kWh0,175 €/km2 626 €
100% Fast DCDC motorway rate · 0,45 €/kWh15 000 km3 225 kWh0,175 €/km2 626 €
Typical mix80% home · 15% AC · 5% DC15 000 km3 225 kWh0,175 €/km2 626 €
Annual total (typical mix)2 626 €
BMW

318d Steptronic G20

Fuelkm/year€/kmAnnual cost
Annual fuel1,75 €/L15 000 km0,080 €/km1 205 €

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Frequently asked questions

On a 100 km mixed trip, the BMW 520e is about 10% cheaper than the BMW 318d Steptronic with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the BMW 520e is 52 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The BMW 520e is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.