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Mercedes GLC 400 4MATIC X254 vs BMW i3 I01: which is cheaper to run?

What each kilometre costs, depending on your driving profile and how you charge. Annual projection and cumulative savings over 10 years.

family SUV · 2025 vs 2018 · 15,000 km/an · Mixed · Home 0.20 €/kWh · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Charging type

Result · yearly energy cost

AMercedes GLC 400 4MATIC X254

412 €per year

13,7 kWh/100 km weighted · 2.75 € per 100 km · 2 059 kWh per year

Gap3 € per yearin favour of the i3 (−1 %)≈ 1 L petrol 95
BBMW i3 I01

409 €per year

13,6 kWh/100 km weighted · 2.73 € per 100 km · 2 044 kWh per year

The verdict changes with your usage
ProfileSplitAA · GLCBB · i3Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway351 €348 €Nearly level
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway412 €409 €Nearly level
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway487 €484 €Nearly level

Cumulative saving for the i3

1 year
3 €
3 years
9 €
5 years
16 €
10 years
31 €

Energy only. Excludes purchase, insurance, servicing, depreciation.

What produces these figures

WLTP combined
13.2 kWh/100 km · 13.1 kWh/100 km
Powertrain
Fully electric · Fully electric
Power
489 ch · 170 ch
Kerb weight
2,535 kg · 1,270 kg

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Frequently asked questions

On a 100 km mixed trip, the Mercedes GLC 400 4MATIC and BMW i3 have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

Mercedes GLC 400 4MATIC offers more range: 713 km vs 359 km for BMW i3 (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.

The BMW i3 is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.