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. /Sports Cars
420dDieselvs420iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs420d · 420i

BMW 420d F32 vs BMW 420i xDrive Gran Coupe G22: 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.

saloon · 2020 vs 2021 · 15,000 km/an · Mixed · Diesel 2.38 €/L · Petrol 95 2.17 €/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 420d F32

1,550 €per year

4,4 L/100 km weighted · 10.34 € per 100 km · 653 L per year

Gap728 € per yearin favour of the 420d (−32 %)≈ 336 L petrol 95
BBMW 420i xDrive Gran Coupe G22

2,279 €per year

7,0 L/100 km weighted · 15.19 € per 100 km · 1 050 L per year

The verdict changes with your usage
ProfileSplitAA · 420dBB · 420iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway1,666 €2,531 €865 € · 420d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,550 €2,279 €728 € · 420d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,468 €2,086 €618 € · 420d

Cumulative saving for the 420d

1 year
728 €
3 years
2,184 €
5 years
3,641 €
10 years
7,282 €

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

What produces these figures

WLTP combined
4.2 L/100 km · 6.7 L/100 km
Powertrain
Combustion · Combustion
Power
190 ch · 184 ch
Kerb weight
1,605 kg · 1,630 kg

Other similar comparisons

AudiVSBMW

A4 40 TDI vs 420d

gap 267 €/year
AudiVSBMW

A4 40 TFSI vs 420i xDrive Gran Coupe

gap 135 €/year
VolvoVSBMW

S60 B4 vs 420d

gap 515 €/year
AudiVSBMW

A5 Avant vs 420i xDrive Gran Coupe

gap 192 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW 420d is about 30% cheaper than the BMW 420i xDrive Gran Coupe with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 420d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.