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. /Sports Cars
840ivsPanameraPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs840i · Panamera

BMW 840i xDrive G15 vs Porsche Panamera: 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 · 2020 vs 2011 · 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 840i xDrive G15

2,666 €per year

8,2 L/100 km weighted · 17.77 € per 100 km · 1 228 L per year

Gap1,515 € per yearin favour of the 840i xDrive (−36 %)≈ 698 L petrol 95
BPorsche Panamera

4,181 €per year

12,8 L/100 km weighted · 27.87 € per 100 km · 1 927 L per year

The verdict changes with your usage
ProfileSplitAA · 840iBB · PanameraGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,998 €5,159 €2,161 € · 840i
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,666 €4,181 €1,515 € · 840i
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,412 €3,569 €1,157 € · 840i

Cumulative saving for the 840i xDrive

1 year
1,515 €
3 years
4,544 €
5 years
7,574 €
10 years
15,148 €

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

What produces these figures

WLTP combined
7.8 L/100 km · 11.1 L/100 km
Powertrain
Combustion · Combustion
Power
333 ch · 304 ch
Kerb weight
1,795 kg · 1,760 kg

Other similar comparisons

PorscheVSBMW

Panamera vs 840i xDrive

gap 759 €/year
BMWVSPorsche

740Ld xDrive vs Panamera

gap 2 762 €/year
BMWVSPorsche

840i xDrive vs Panamera 4

gap 759 €/year
BMWVSPorsche

840i vs Panamera

gap 2 232 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW 840i xDrive is about 35% cheaper than the Porsche Panamera with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 840i xDrive is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.