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. /Motorway
  3. /grand tourer
A525dDieselvsB318dHybrid
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs525d · 318d

BMW 525d G30 vs BMW 318d Touring G20

Trip mapped at a glance. Charging stops visible, total duration predictable. Caralogy simulation at 130 km/h.

grand tourer · 2018 vs 2021 · Paris → Marseille · 775 km · 130 km/h
BMWDieselPlus rapide

525d G30

231 ch · 2018

VS
BMWHybrid

318d Touring G20

150 ch · 2021

Simulation trip
Assumptions: 130 km/h · start réservoir plein · mild weather

Result · total trip time

ABMW 525d G30

7h01no stop

0 stops · 82.41 €

Gap5 minin favour of 525d
BBMW 318d Touring G20

7h06charging included

1 stop · 96.87 €

Paris → Marseille · 130 km/h · Caralogy simulation
Measure525d G30318d Touring G20Gap
Total time7h017h065 min · 525d G30
Charging stops0 stops1 stop1 stop · 525d G30
Cost of energy used82.41 €96.87 €14.46 € · 525d G30

Visualise the trip

Both vehicles drive at 130 km/h. The difference comes from charging stops.

BMWDieselFastest
525d G30
100%
1347 km
Range
Paris
0 km · departure
Marseille
775 km · Arrival 7h01
0
Stops
7h01
Duration
82.41 €
Cost of energy used
BMWHybrid
318d Touring G20
100%
625 km
Range
Paris
0 km · departure
Refuel 1
5 min · +36 L · 78.12 €
Marseille
775 km · Arrival 7h06
1
Stops
7h06
Duration
96.87 €
Cost of energy used

The 5-minute lead of the 525d G30 does not come from driving speed, but from one fewer charging stop on this route (0 vs 1).

Both vehicles drove at 130 km/h for the entire trip. The gap is built at the stops: no stop for the 525d G30 versus 1 stop of 5 min for the 318d Touring G20.

Motorway consumption: the Caralogy methodology

The official WLTP figures (5,4 L/100km for 525d G30 and 4,8 L/100km for 318d Touring G20) are measured on a mixed cycle averaging ~46 km/h. At a steady 130 km/h, aerodynamic drag weighs much more heavily - it grows with the square of speed. Caralogy calculates a motorway consumption specific to each vehicle based on its aerodynamic profile (SCx), weight and power curve - not a uniform correction factor. For this trip, the simulation yields 4,9 L/100km (525d G30) and 5,8 L/100km (318d Touring G20). Full methodology: see the assumptions below the controls.

Energy cost breakdown for your trip Paris → Marseille

The cost per kilometre depends on the electricity rate applied to each segment - based on the energy source used at that point of the trip.

BMW 525d G30

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Marseillefuel · 2.17 €/L775 km38 L consumed0.106 €/km82.41 €
Trip total82.41 €

BMW 318d Touring G20

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Montélimar, A7fuel · 2.17 €/L625 km36 L consumed0.125 €/km78.12 €
Montélimar, A7 → Marseillefuel · 2.17 €/L150 km9 L consumed0.125 €/km18.75 €
Trip total96.87 €

What produces these figures

WLTP combined consumption
5.4 L/100 km · 4.8 L/100 km
Fuel tank
66 L · 40 L

Compare with another vehicle

Replace one of the two with an alternative from the same segment

BMWDiesel

525d G30

231 ch · 2018

BMWHybrid

318d Touring G20

150 ch · 2021

Other duels you might be interested in

BMWVSAudi

525d vs A6 Avant

AudiVSBMW

A4 40 TDI vs 318d Touring

BMWVSAudi

525d vs A6 Avant TDI S tronic 150 kW

VolvoVSBMW

S60 B4 vs 318d Touring

Frequently asked questions

On Paris → Marseille (775 km at 130 km/h), the 525d G30 arrives in 7h01 with 0 fuel stops.

WLTP consumption does not reflect motorway reality. Aerodynamic drag grows with the square of speed, so real consumption is 15 to 25 % higher than WLTP combined. Caralogy calculates a highway consumption specific to each vehicle based on its aerodynamic profile (SCx), weight and power curve.

Total time = driving time + charging time. Driving time is calculated at an average speed of 130 km/h on the motorway (adjustable). Charging time is calculated based on the real power curve of each vehicle, respecting the optimal 10 → 80 % range and the maximum power accepted by the chargers on the route.

No. The displayed cost covers only the energy consumed during the trip: kWh × energy rate, with a mix of home charging and DC fast chargers. Battery wear is a long-term ownership cost, not a trip cost.

On this trip, the energy used costs 82.41 € (525d G30) and 96.87 € (318d Touring G20). For reference, an equivalent BMW 530i (~8.0 L/100 km) would cost about 115 € in fuel.