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  • Specsi7 · S5

BMW i7 M70 xDrive G70 vs Audi S5 Avant: 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.

limousine · 2023 vs 2026 · 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 i7 M70 xDrive G70

702 €per year

23,4 kWh/100 km weighted · 4.68 € per 100 km · 3 510 kWh per year

Gap1,824 € per yearin favour of the i7 M70 xDrive (−72 %)≈ 840 L petrol 95
BAudi S5 Avant

2,526 €per year

7,8 L/100 km weighted · 16.84 € per 100 km · 1 164 L per year

The verdict changes with your usage
ProfileSplitAA · i7BB · S5Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway598 €2,585 €1,987 € · i7
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway702 €2,526 €1,824 € · i7
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway831 €2,409 €1,578 € · i7

Cumulative saving for the i7 M70 xDrive

1 year
1,824 €
3 years
5,471 €
5 years
9,118 €
10 years
18,236 €

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

What produces these figures

WLTP combined
22.5 kWh/100 km · 8.0 L/100 km
Powertrain
Fully electric · Combustion
Power
659 ch · 367 ch
Kerb weight
2,795 kg · 1,965 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW i7 M70 xDrive is about 70% cheaper than the Audi S5 Avant with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the BMW i7 M70 xDrive is 560 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The BMW i7 M70 xDrive is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.