Skip to main content
CaralogyCaralogy
HomeBrandsRoad TripBudgetDuelGuides
Caralogy

The car comparison platform. Physics simulation, road trips, real costs.

Navigation
All brandsCar duelRunning costsMotorwayMethodology
Simulators
Motorway simulatorRunning costsPerformance duel
Brands
VolkswagenBMWMercedesToyotaTeslaAudi
FRENDEESIT
© 2026 Caralogy · All rights reserved
  1. Home
  2. /Consumption
  3. /Estates
M550dvsQ8Diesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsM550d · Q8

BMW M550d xDrive Touring G30 vs Audi Q8 SUV: 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.

grand tourer · 2018 vs 2026 · 15,000 km/an · Mixed · Diesel 2.38 €/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 M550d xDrive Touring G30

2,416 €per year

6,8 L/100 km weighted · 16.11 € per 100 km · 1 017 L per year

Gap898 € per yearin favour of the M550d xDrive Touring (−27 %)≈ 378 L diesel
BAudi Q8 SUV

3,315 €per year

9,3 L/100 km weighted · 22.10 € per 100 km · 1 395 L per year

The verdict changes with your usage
ProfileSplitAA · M550dBB · Q8Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,591 €3,703 €1,112 € · M550d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,416 €3,315 €898 € · M550d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,281 €3,013 €732 € · M550d

Cumulative saving for the M550d xDrive Touring

1 year
898 €
3 years
2,695 €
5 years
4,492 €
10 years
8,983 €

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

What produces these figures

WLTP combined
6.6 L/100 km · 8.9 L/100 km
Powertrain
Combustion · Combustion
Power
400 ch · 231 ch
Kerb weight
1,955 kg · 2,160 kg

Other similar comparisons

BMWVSAudi

M550d xDrive Touring vs A6 Avant TDI quattro S tronic 220 kW

gap 317 €/year
AudiVSBMW

Q8 SUV vs X5 xDrive25d

gap 1 450 €/year
BMWVSAudi

M550d xDrive Touring vs A6 Sedan TDI quattro S tronic 220 kW

gap 411 €/year
PorscheVSAudi

Cayenne Diesel vs Q8 SUV

gap 497 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW M550d xDrive Touring is about 25% cheaper than the Audi Q8 SUV with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW M550d xDrive Touring is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.