Question 1

What's the difference between the TCO comparator and the simulator?

Accepted Answer

The TCO comparator is designed for a side-by-side synthetic view of all powertrains in your segment: it ranks results from cheapest to most expensive and highlights the winner. The custom simulator offers more parameters (per-powertrain purchase price, discounts, detailed usage profile). Use the comparator to decide quickly, then the simulator to fine-tune.

Question 2

Is electric really cheaper than diesel over 4 years?

Accepted Answer

In most B2B scenarios in France in 2026 (medium van, 25,000 km/year), yes: the eco-bonus + low charging cost bring electric TCO below diesel. But the result depends on mileage, usage (motorway vs urban), country and available incentives. Adjust the parameters in the comparator to test your real situation.

Question 3

How are maintenance costs calculated?

Accepted Answer

Maintenance costs are estimated from 2026 industry averages by segment (LCV, truck, etc.) and powertrain. Electric is cheaper (no oil change, no clutch, brakes less worn thanks to regenerative braking). Diesel and petrol include oil changes, filters and timing belts. PHEVs combine both. These values are adjusted by the annual mileage entered.

Question 4

Is NGV (natural gas) relevant for my fleet?

Accepted Answer

NGV (and its biogas equivalent, bioCNG) is particularly competitive for high mileage (> 50,000 km/year) and heavy trucks in France, thanks to a growing station network and a lower fuel cost than diesel. For small or medium LCVs with short trips, electric is usually more advantageous. The comparator lets you see both side by side.

Question 5

Are incentives and subsidies factored in?

Accepted Answer

Yes. The comparator automatically applies 2026 incentives based on the selected country: eco-bonus (France), full BEV tax deductibility (Belgium), cantonal exemptions (Switzerland) and the iZEV programme (Canada). The displayed purchase price is the net price after incentives.

Question 6

How should I read the « winner » badge?

Accepted Answer

The 🏆 badge is given to the powertrain whose total TCO is the lowest over the selected duration, for the inputs entered. It doesn't mean this powertrain is the best in every case: a range constraint, the absence of a charging station on site, or a limited distribution network can make another option more suitable for your situation.

Motorisation	Achat net	Énergie	Entretien	TCO total	Mensuel
Bio-GNV✓	19 000 €	12 325 €	7 400 €	38 725 €	807 €/mois
Électrique	31 000 €	5 393 €	3 400 €	39 793 €	829 €/mois
Diesel	32 000 €	14 620 €	7 600 €	54 220 €	1 130 €/mois
E-fuel	34 000 €	37 800 €	7 600 €	79 400 €	1 654 €/mois
Hydrogène	61 000 €	17 550 €	8 800 €	87 350 €	1 820 €/mois

TCO Comparator

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