Castrol GTX is a trusted and long-established engine oil range, delivering reliable protection for everyday petrol and diesel engines.

With decades of proven performance, GTX has been protecting engines for generations of drivers. Formulated to defend against the build-up of sludge and deposits — one of the leading causes of engine wear and reduced performance — GTX helps keep your engine cleaner and running smoothly for longer.

Castrol GTX delivers:

• Sludge protection — advanced formulation helps prevent the harmful sludge build-up that can reduce engine life
• Everyday reliability — dependable protection for regular commuting and day-to-day driving
• Engine cleanliness — keeps critical engine parts cleaner for longer, maintaining performance over time
• Broad compatibility — suitable for a wide range of petrol and diesel passenger cars and light commercial vehicles

Available in conventional, semi-synthetic, and fully synthetic formulations across a range of viscosity grades. Always refer to your vehicle handbook to confirm the correct grade for your engine.