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X3PetrolvsSealBEV
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  • SpecsX3 · Seal

BMW X3 M40i G01 vs BYD Seal 313 2WD: 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 2022 · 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 X3 M40i G01

2,747 €per year

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

Gap2,271 € per yearin favour of the Seal 313 2WD (−83 %)≈ 1,046 L petrol 95
BBYD Seal 313 2WD

476 €per year

15,9 kWh/100 km weighted · 3.18 € per 100 km · 2 381 kWh per year

The verdict changes with your usage
ProfileSplitAA · X3BB · SealGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,030 €455 €2,576 € · Seal
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,747 €476 €2,271 € · Seal
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,532 €496 €2,037 € · Seal

Cumulative saving for the Seal 313 2WD

1 year
2,271 €
3 years
6,813 €
5 years
11,354 €
10 years
22,709 €

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

What produces these figures

WLTP combined
8.1 L/100 km · 16.0 kWh/100 km
Powertrain
Combustion · Fully electric
Power
360 ch · 313 ch
Kerb weight
1,870 kg · 1,988 kg

Other similar comparisons

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BYDVSBMW

Seal 313 2WD vs i4 eDrive35

gap 139 €/year
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X3 M40i vs Macan GTS

gap 816 €/year
BYDVSTesla

Seal 313 2WD vs Model 3 RWD

gap 71 €/year

Frequently asked questions

On a 100 km mixed trip, the BYD Seal 313 2WD is about 85% cheaper than the BMW X3 M40i with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the BYD Seal 313 2WD is 510 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The BYD Seal 313 2WD is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.