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X6DieselvsVPetrol
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  • SpecsX6 · V

BMW X6 M50d F16 vs Mercedes V 300 d 4MATIC: 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.

large SUV · 2018 vs 2024 · 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 X6 M50d F16

2,901 €per year

8,1 L/100 km weighted · 19.34 € per 100 km · 1 221 L per year

Gap58 € per yearin favour of the X6 M50d (−2 %)≈ 27 L petrol 95
BMercedes V 300 d 4MATIC

2,959 €per year

9,1 L/100 km weighted · 19.73 € per 100 km · 1 364 L per year

The verdict changes with your usage
ProfileSplitAA · X6BB · VGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,104 €3,306 €202 € · X6
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,901 €2,959 €Nearly level
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,751 €2,690 €Nearly level

Cumulative saving for the X6 M50d

1 year
58 €
3 years
175 €
5 years
291 €
10 years
582 €

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

What produces these figures

WLTP combined
7.9 L/100 km · 8.7 L/100 km
Powertrain
Combustion · Combustion
Power
381 ch · 245 ch
Kerb weight
2,185 kg · 2,312 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW X6 M50d and Mercedes V 300 d 4MATIC have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The BMW X6 M50d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.