Skip to main content
CaralogyCaralogy
HomeBrandsRoad TripBudgetDuelGuides
Caralogy

The car comparison platform. Physics simulation, road trips, real costs.

Navigation
All brandsCar duelRunning costsMotorwayMethodology
Simulators
Motorway simulatorRunning costsPerformance duel
Brands
VolkswagenBMWMercedesToyotaTeslaAudi
FRENDEESIT
© 2026 Caralogy · All rights reserved
  1. Home
  2. /Consumption
  3. /Hatchbacks
M135iPetrolvsi3sBEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsM135i · i3s

BMW M135i xDrive F40 vs BMW i3s 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.

compact · 2020 vs 2018 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Home 0.20 €/kWh · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Fuel price
Petrol 95 2.17 €/L · Diesel 2.38 €/Lprix-carburants.gouv.fr — moyenne nationale du 05/10/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement
Charging type

Result · yearly energy cost

ABMW M135i xDrive F40

2,275 €per year

7,0 L/100 km weighted · 15.17 € per 100 km · 1 049 L per year

Gap1,819 € per yearin favour of the i3s (−80 %)≈ 838 L petrol 95
BBMW i3s I01

456 €per year

15,2 kWh/100 km weighted · 3.04 € per 100 km · 2 278 kWh per year

The verdict changes with your usage
ProfileSplitAA · M135iBB · i3sGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,510 €388 €2,122 € · i3s
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,275 €456 €1,819 € · i3s
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,099 €539 €1,560 € · i3s

Cumulative saving for the i3s

1 year
1,819 €
3 years
5,458 €
5 years
9,097 €
10 years
18,195 €

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

What produces these figures

WLTP combined
6.7 L/100 km · 14.6 kWh/100 km
Powertrain
Combustion · Fully electric
Power
306 ch · 184 ch
Kerb weight
1,525 kg · 1,290 kg

Other similar comparisons

AudiVSBMW

S3 Sedan vs M135i xDrive

gap 577 €/year
AudiVSBMW

A3 allstreet vs i3s

gap 380 €/year
AudiVSBMW

S3 Sportback vs M135i xDrive

gap 630 €/year
AudiVSBMW

A3 allstreet vs i3s

gap 2 466 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW i3s is about 80% cheaper than the BMW M135i xDrive with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the BMW i3s is 330 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The BMW i3s is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.