Aller au contenu principal
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
Home›Consumption›Xpeng P7 vs BMW 420d

Consumption comparison

Running-cost comparisonsaloonFully electricCombustion

Xpeng P7 vs BMW 420d Convertible G22: which one uses less fuel?

Same car, two powertrains. The simulator below calculates the gap based on your mileage and charging type.

AXpeng · Fully electric · 2020
P7

537 €per year

17,9 kWh/100 km weighted · 3,58 € per 100 km · 2 683 kWh per year

Cheaper to run
Gap1 016 €per year in favour of the P7 (−65 %)≈ 452 L diesel
BBMW · Combustion · 2021
420d Convertible G22

1 553 €per year

4,6 L/100 km weighted · 10,35 € per 100 km · 692 L per year

MotorwayRange & chargingPerformance0-100, top speedConsumptionAnnual TCOSpec sheets : P7 · 420d

Annual mileage

15 000 km/an

5 000 km50 000 km

Simulated driving mix

Drag anywhere on the bar to adjust

Charging type

Fuel price

Petrol 95 : 2,03 €/L·Diesel : 2,25 €/L

prix-carburants.gouv.fr — moyenne nationale du 25/08/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement

The verdict changes with your usage

15 000 km/an · Petrol 95 2,03 €/L
ProfileSplitP7420dGapAdvantage
City70 % city · 25 % road · 5 % motorway457 €1 631 €1 174 €P7
Mixed30 % city · 50 % road · 20 % motorway537 €1 553 €1 016 €P7
Long-distance10 % city · 40 % road · 50 % motorway635 €1 499 €864 €P7
Cumulative saving for the P7
1 year1 016 €
3 years3 049 €
5 years5 081 €
10 years10 162 €
Energy only. Excludes purchase, insurance, servicing, depreciation.

Other similar comparisons

TeslaVSXpeng

Model 3 Performance vs P7

gap 29 €/year
AudiVSBMW

A4 40 TDI vs 420d Convertible

gap 135 €/year
TeslaVSXpeng

Model 3 Performance vs P7

gap 22 €/year
VolvoVSBMW

S60 B4 vs 420d Convertible

gap 370 €/year

Frequently asked questions

On a 100 km mixed trip, the Xpeng P7 is about 65% cheaper than the BMW 420d Convertible with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Xpeng P7 is 450 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Xpeng P7 is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.