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. /SUV
X3Petrolvs118dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsX3 · 118d

BMW X3 M40i G01 vs BMW 118d F20LCI: 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 · 2021 vs 2018 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Diesel 2.38 €/L · 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

Result · yearly energy cost

ABMW X3 M40i G01

2,747 €per year

8,4 L/100 km weighted · 18.31 € per 100 km · 1 266 L per year

Gap1,069 € per yearin favour of the 118d (−39 %)≈ 492 L petrol 95
BBMW 118d F20LCI

1,679 €per year

4,7 L/100 km weighted · 11.19 € per 100 km · 707 L per year

The verdict changes with your usage
ProfileSplitAA · X3BB · 118dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,030 €1,805 €1,225 € · 118d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,747 €1,679 €1,069 € · 118d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,532 €1,575 €957 € · 118d

Cumulative saving for the 118d

1 year
1,069 €
3 years
3,206 €
5 years
5,343 €
10 years
10,686 €

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

What produces these figures

WLTP combined
8.1 L/100 km · 4.6 L/100 km
Powertrain
Combustion · Combustion
Power
360 ch · 150 ch
Kerb weight
1,870 kg · 1,395 kg

Other similar comparisons

BMWVSPorsche

X3 M40i vs Macan GTS

gap 1 710 €/year
BMWVSAudi

118d vs A3 Sedan

gap 96 €/year
BMWVSPorsche

X3 M40i vs Macan GTS

gap 816 €/year
BMWVSAudi

118d vs A3 Sportback

gap 43 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW 118d is about 40% cheaper than the BMW X3 M40i with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 118d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.