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
318ivsA5Petrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs318i · A5

BMW 318i G20 vs Audi A5 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.

saloon · 2020 vs 2026 · 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 318i G20

1,930 €per year

5,9 L/100 km weighted · 12.87 € per 100 km · 890 L per year

Gap689 € per yearin favour of the 318i (−26 %)≈ 317 L petrol 95
BAudi A5 Avant

2,619 €per year

8,0 L/100 km weighted · 17.46 € per 100 km · 1 207 L per year

The verdict changes with your usage
ProfileSplitAA · 318iBB · A5Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,139 €2,926 €788 € · 318i
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,930 €2,619 €689 € · 318i
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,767 €2,381 €614 € · 318i

Cumulative saving for the 318i

1 year
689 €
3 years
2,067 €
5 years
3,445 €
10 years
6,889 €

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

What produces these figures

WLTP combined
5.7 L/100 km · 7.7 L/100 km
Powertrain
Combustion · Combustion
Power
156 ch · 150 ch
Kerb weight
1,490 kg · 1,710 kg

Other similar comparisons

BMWVSAudi

318i vs A5 Sedan

gap 640 €/year
BMWVSAudi

318i Sedan vs A5 Avant

gap 919 €/year
AudiVSBMW

A4 40 TFSI vs 318i

gap 329 €/year
BMWVSAudi

318i Touring vs A5 Avant

gap 719 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW 318i is about 25% cheaper than the Audi A5 Avant with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 318i is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.