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. /Sedans
S5Petrolvs540dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsS5 · 540d

Audi S5 Sedan vs BMW 540d xDrive G30: 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.

saloon · 2026 vs 2018 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · 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

AAudi S5 Sedan

2,462 €per year

7,6 L/100 km weighted · 16.41 € per 100 km · 1 134 L per year

Gap163 € per yearin favour of the 540d xDrive (−7 %)≈ 75 L petrol 95
BBMW 540d xDrive G30

2,299 €per year

6,4 L/100 km weighted · 15.33 € per 100 km · 967 L per year

The verdict changes with your usage
ProfileSplitAA · S5BB · 540dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,517 €2,522 €Nearly level
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,462 €2,299 €163 € · 540d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,348 €2,131 €217 € · 540d

Cumulative saving for the 540d xDrive

1 year
163 €
3 years
489 €
5 years
814 €
10 years
1,628 €

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

What produces these figures

WLTP combined
7.8 L/100 km · 6.2 L/100 km
Powertrain
Combustion · Combustion
Power
367 ch · 320 ch
Kerb weight
1,950 kg · 1,845 kg

Other similar comparisons

BMWVSAudi

M340i xDrive vs S5 Sedan

gap 103 €/year
BMWVSAudi

540d xDrive vs A6 Avant TDI quattro S tronic 220 kW

gap 160 €/year
BMWVSAudi

M340i xDrive Touring vs S5 Sedan

gap 177 €/year
BMWVSAudi

540d xDrive vs A6 Sedan TDI quattro S tronic 220 kW

gap 254 €/year

Frequently asked questions

On a 100 km mixed trip, the Audi S5 Sedan and BMW 540d xDrive have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The BMW 540d xDrive is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.