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. /SUV
NXPHEVvs420dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs

Lexus NX 450h+ AWD vs BMW 420d Convertible G22: which is cheaper to run?

What each kilometre costs, depending on your driving profile, how you charge and the share of the trip driven on electricity or fuel.

family SUV · 2024 vs 2021 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Diesel 2.38 €/L · Home 0.20 €/kWh · 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
Charging type

Result · yearly energy cost

ALexus NX 450h+ AWD

986 €per year

22,3 kWh/100 km weighted · 6.57 € per 100 km · 1 046 L per year

Gap657 € per yearin favour of the NX 450h+ AWD (−40 %)≈ 276 L diesel
BBMW 420d Convertible G22

1,643 €per year

4,6 L/100 km weighted · 10.95 € per 100 km · 692 L per year

The verdict changes with your usage
ProfileSplitAA · NXBB · 420dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway986 €1,725 €739 € · NX
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway986 €1,643 €657 € · NX
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway986 €1,586 €600 € · NX

Cumulative saving for the NX 450h+ AWD

1 year
657 €
3 years
1,971 €
5 years
3,284 €
10 years
6,569 €

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

What produces these figures

WLTP combined
21.4 kWh/100 km · 4.5 L/100 km
Powertrain
Plug-in hybrid · Combustion
Power
309 ch · 190 ch
Kerb weight
1,990 kg · 1,775 kg

Other similar comparisons

AudiVSBMW

A4 40 TDI vs 420d Convertible

gap 143 €/year
VolvoVSBMW

S60 B4 vs 420d Convertible

gap 392 €/year
AudiVSBMW

A5 Avant vs 420d Convertible

gap 546 €/year
AudiVSBMW

A5 Sedan vs 420d Convertible

gap 344 €/year

Frequently asked questions

On a 100 km mixed trip, the Lexus NX 450h+ AWD is about 40% cheaper than the BMW 420d Convertible with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Lexus NX 450h+ AWD is 76 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Lexus NX 450h+ AWD is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.

NX
· 420d