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i7BEVvsA6 45Petrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specsi7 · A6 45

BMW i7 M70 xDrive G70 vs Audi A6 45 TFSI: 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 2020 · 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

Gap1,611 € per yearin favour of the i7 M70 xDrive (−70 %)≈ 742 L petrol 95
BAudi A6 45 TFSI

2,313 €per year

7,1 L/100 km weighted · 15.42 € per 100 km · 1 066 L per year

The verdict changes with your usage
ProfileSplitAA · i7BB · A6 45Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway598 €2,584 €1,986 € · i7
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway702 €2,313 €1,611 € · i7
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway831 €2,103 €1,272 € · i7

Cumulative saving for the i7 M70 xDrive

1 year
1,611 €
3 years
4,832 €
5 years
8,053 €
10 years
16,107 €

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

What produces these figures

WLTP combined
22.5 kWh/100 km · 6.8 L/100 km
Powertrain
Fully electric · Combustion
Power
659 ch · 245 ch
Kerb weight
2,795 kg · 1,640 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 A6 45 TFSI 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.