Do LPG cars cost less to tax?

Are there any motor tax reductions if my car is converted to use LPG?

Thanks

Dave Walsh (Limerick)

Nov 2018 Filed under: taxation

---

Expert answer

Hi Dave,

Sadly not. You will save around 50 per cent on the price per litre of LPG compared to petrol or diesel (which in and of itself might be a sufficiently compelling reason to switch), but there’s no tax advantage. A car’s motor tax rate is based on the CO₂ figure shown on its certificate of conformity document, and a post-purchase conversion doesn’t change that (even though LPG does have a slightly lower CO₂ rating than petrol or diesel). Basically, tax is calculated on the car’s official homologated figure, whereas an LPG conversion is something you do yourself afterwards. 

Neil Briscoe - Complete Car Advisor
@neilmbriscoe