SHOP

Price reductions on selected cars, from £250 - £1000 off

skip to main contentskip to footer

Octane

What is octane in fuel?

The octane number of a fuel is a measure of how well it performs, usually expressed as a RON (Research Octane Number). Fuels with a higher octane number are designed for use in high-performance petrol engines. Fuels with lower octane numbers are used for diesel engines.