BMW M4 Convertible F82 vs BMW i8 Roadster I12: which one uses less fuel?

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

saloon2018 vs 201815,000 km/anMixedPetrol 95 2.03 €/LHome 0.20 €/kWhMethodology

Result · yearly energy cost

ABMW M4 Convertible F82

Comparison unavailable - manufacturer data being validated.

10,7 L/100 km weighted · 21.77 € per 100 km · 1 607 L per year

GapComparison unavailable - manufacturer data being validated.

BBMW i8 Roadster I12

Comparison unavailable - manufacturer data being validated.

15,1 kWh/100 km weighted · 2 262 kWh per year

Annual mileage

15,000 km

Driving mix

Charging type

Fuel price : Petrol 95 2.03 €/L · Diesel 2.25 €/Lprix-carburants.gouv.fr — moyenne nationale du 25/08/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement

What produces these figures

WLTP combined: 10.2 L/100 km · 14.5 kWh/100 km
Powertrain: Combustion · Plug-in hybrid
Power: 431 ch · 374 ch
Kerb weight: 1,790 kg · 1,595 kg

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Frequently asked questions

What is the range of the BMW M4 Convertible vs the BMW i8 Roadster?

The declared range of the BMW i8 Roadster is 440 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

Result · yearly energy cost

What produces these figures

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