Hybrid cars are not all taxed equally. The type of hybrid system matters enormously for road tax — a plug-in hybrid electric vehicle (PHEV) attracts very different VED treatment from a conventional self-charging hybrid. Understanding the distinction is essential for anyone considering a hybrid purchase.

Plug-in Hybrid Electric Vehicles (PHEVs)

PHEVs have a plug-in battery that can be charged from an external power source. They have both an internal combustion engine and an electric motor, with a usable electric-only range typically of 30-50 miles. PHEVs are taxed based on their official CO2 emissions, which are low due to the hybrid system — typically between 1 and 50g/km for most models. A PHEV in the 1-50g/km band pays just £10 first-year VED and £50 standard annual rate from year two.

The 70-Mile Range Requirement

From April 2025, HMRC tightened the criteria for the lowest PHEV VED bands. To qualify for the 1-50g/km band, a PHEV must now have an official electric-only range of more than 70 miles under WLTP testing. This excludes many popular PHEVs that previously qualified. Models with shorter electric range may fall into higher CO2 bands — potentially paying the same VED as equivalent petrol cars. Always check the specific model's qualifying criteria.

Self-Charging Hybrids: No Special Treatment

Conventional self-charging hybrids — sometimes marketed as mild hybrids or hybrid without a plug — do not qualify for reduced VED rates based on their hybrid status alone. Their road tax is based entirely on their total CO2 emissions as measured under WLTP. A self-charging hybrid Toyota Prius emitting 120g/km pays exactly the same VED as a petrol-only Toyota Corolla with identical emissions: £165 first year, £190 from year two. The hybrid system does not reduce road tax for non-plug-in vehicles.

PHEV Company Car BIK

PHEVs are highly tax-efficient as company cars because their low official CO2 emissions generate low BIK rates. A PHEV emitting 30g/km at 9% BIK rate on a £40,000 P11D value costs £3,600 per year in BIK tax — compared to £12,250 for a diesel equivalent at 35% BIK. However, the tightening of the 70-mile range rule from April 2025 may push some PHEVs into higher BIK bands, reducing their company car appeal.

Which Hybrids Are Worth Buying for Tax Purposes?

For private buyers, a PHEV makes sense if you can regularly charge it and achieve the official electric-only range in real-world driving. If you mostly drive short urban trips and can charge at home, the £50 annual standard VED rate (compared to £190 for petrol) saves £140 per year. However, if you rarely charge and drive mostly on the engine, a standard petrol car may be a more straightforward and cost-effective choice. Use the car tax calculator at Cartax.online to compare specific models.