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X5vs911Petrol
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  • SpecsX5 · 911

BMW X5 M Competition G05 vs Porsche 911 Carrera (Manual) 991.1: 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 · 2021 vs 2011 · 15,000 km/an · Mixed · 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 X5 M Competition G05

4,629 €per year

14,2 L/100 km weighted · 30.86 € per 100 km · 2 133 L per year

Gap380 € per yearin favour of the 911 Carrera (Manual) (−8 %)≈ 175 L petrol 95
BPorsche 911 Carrera (Manual) 991.1

4,248 €per year

13,1 L/100 km weighted · 28.32 € per 100 km · 1 958 L per year

The verdict changes with your usage
ProfileSplitAA · X5BB · 911Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway5,421 €5,189 €233 € · 911
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway4,629 €4,248 €380 € · 911
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway4,020 €3,653 €367 € · 911

Cumulative saving for the 911 Carrera (Manual)

1 year
380 €
3 years
1,141 €
5 years
1,902 €
10 years
3,804 €

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

What produces these figures

WLTP combined
13.3 L/100 km · 11.4 L/100 km
Powertrain
Combustion · Combustion
Power
625 ch · 350 ch
Kerb weight
2,335 kg · 1,445 kg

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X5 M Competition vs RS Q8 SUV

gap 603 €/year
PorscheVSBMW

911 Carrera (Manual) vs Z4 M40i

gap 2 383 €/year

Frequently asked questions

On a 100 km mixed trip, the Porsche 911 Carrera (Manual) is about 10% cheaper than the BMW X5 M Competition with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Porsche 911 Carrera (Manual) is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.