Best Castrol Classic 20w50 Deals Online in the UK (25 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Castrol

New
Castrol Classic XL20w/50 engine oil 1 gallon | SAE 20W-50 Multigrade Mineral Formula for Pre-1980 Cars & Motorcycles | H
For pre-1980 classic cars and motorcycles A conventional 20W-50 multigrade engine oil Formulated with high quality miner

£48.94
Castrol

New
Castrol Classic XL20w/50 engine oil 1 gallon | SAE 20W-50 Multigrade Mineral Formula for Pre-1980 Cars & Motorcycles | H
For pre-1980 classic cars and motorcycles A conventional 20W-50 multigrade engine oil Formulated with high quality miner

£48.94
New
Castrol Classic XL 20W-50 Classic Engine Oil Pre 1980 20w50 1 Gallon 4.54L
SAE Viscosity: 20W50. Castrol Classics from Opie Oils For pre-1980 modern classic cars. Castrol Classic XL 20W-50 is a c

£46.75
Castrol

New
Classic Oil Range XL20w/50 Engine Oil – 1L | SAE 20W-50 Multigrade Mineral Formula for Pre-1980 Cars & Motorcycles | Hig
IDEAL FOR CLASSIC VEHICLES: Designed specifically for pre-1980 classic cars and motorcycles with older engine technologi

£13.91 £14.72
New
Castrol Classic XL 20W-50 20W50 classic engine oil - 2 Gallons (9.08 L)
2 x CASTROL CLASSIC 20W50 4.54 Litres Engine Oil. Excellent oil consumption. For pre 1980 Classic Cars & Motorcycles Con

£94.74
Best Value
Castrol

New
Classic Oil Range XL20w/50 Engine Oil – 1L | SAE 20W-50 Multigrade Mineral Formula for Pre-1980 Cars & Motorcycles | Hig
IDEAL FOR CLASSIC VEHICLES: Designed specifically for pre-1980 classic cars and motorcycles with older engine technologi

£12.99 £13.95
Comma

New
Comma CLA20505L 5L 20W/50 Classic Motor Oil - Yellow
Conventional, multigrade engine oil,Multigrade Oil

£27.46
New
Castrol Classic XL 20W-50 Classic Engine Oil Pre 1980 Cars 20w50 20L 20 Litres
SAE Viscosity: 20W50. Castrol Classics from Opie Oils For pre-1980 modern classic cars. Castrol Classic XL 20W-50 is a c

£159.95
19% Off
Comma

New
Comma CLA20505L 5L 20W/50 Classic Motor Oil - Yellow
Conventional, multigrade engine oil,Multigrade Oil

£27.46 £33.89
New
4 x Castrol Classic XL 20W-50 Engine Oil - 1 Gallon 4.54 Litres 1925A
4 x CASTROL CLASSIC 20W50 4.54 Litres Engine Oil. Excellent oil consumption. For pre 1980 Classic Cars & Motorcycles Con

£184.94
12% Off
Castrol

New
Castrol POWER1 4T 20W-50 Motorcycle Oil 4L
Suitable for all makes of 4-stroke bikes, both carburettor or fuel injected where API SJ (or below) and JASO MA or MA-2

£27.72 £31.53
12% Off
Castrol

New
Castrol POWER1 4T 20W-50 Motorcycle Oil 4L
Suitable for all makes of 4-stroke bikes, both carburettor or fuel injected where API SJ (or below) and JASO MA or MA-2

£27.72 £31.53
New
Castrol Classic XL 20W-50 Engine Oil - 1 Gallon 4.54 Litres 1925A
Excellent oil consumption. For pre 1980 Classic Cars & Motorcycles Conventional multigrade. Oil Additives. High level en

£48.94
Duckhams

New
Duckhams Classic Q 20W-50 Mineral Engine Oil 5 Litres, API CC/SF, MIL-L-2104B, High-Performance Classic Car Oil for Vint
Engineered for Classic Performance: Maximise your engine’s performance without compromising power with Duckhams Classic

£36.99
New
Castrol Classic XL 20W50 Classic Engine Oil - 1 Litre 1L
Castrol Classic XL 20W-50 is a conventional multigrade engine oil of good all round performance, formulated with high qu

£14.74
Duckhams

New
Duckhams Classic Q 20W-50 Mineral Engine Oil 5 Litres, API CC/SF, MIL-L-2104B, High-Performance Classic Car Oil for Vint
Engineered for Classic Performance: Maximise your engine’s performance without compromising power with Duckhams Classic

£36.99
New
Castrol Classic XL 20W-50 20W50 Engine Oil for Modern Classic Cars 1 litre 1L
Castrol Classic XL 20W-50 is a high-quality multigrade engine oil designed for older technology engines in classic cars

£13.99
New
Castrol Classic XL 20W-50 20W50 Engine Oil for Modern Classic Cars 1 litre 1L
SAE Viscosity: 20W50. Castrol Classics from Opie Oils For pre-1980 modern classic cars. Castrol Classic XL 20W-50 is a c

£14.99
New
Castrol Classic XL 20W-50 20W50 Engine Oil for Modern Classic Cars 1 litre 1L
SAE Viscosity: 20W50. Castrol Classics from Opie Oils For pre-1980 modern classic cars. Castrol Classic XL 20W-50 is a c

£14.99
New
2x Castrol Classic XL 20W-50 Classic Engine Oil Pre 1980 20w50 1 Gallon 4.54L
Castrol Classic XL 20W-50 is ahigh-quality multigrade engine oil designed forpre-1980 classic cars and motorcycles. Appl

£89.99
New
Castrol Classic XL 20w/50 - 1 Gallon 1925
For pre 1980 Classic Cars & Motorcycles Conventional multigrade Low detergent Excellent oil consumption High level engin

£47.95
New
Castrol Classic XL 20w50 Engine Motor Oil 1925G Metal Can NEW GENUINE
Castrol Classic XL 20w/50 Motor Oil. We are an approved Castrol Oil Distributor . Castrol Classic XL 20W-50 is a convent

£48.95
New
Castrol XL 20W50 Classic Engine Oil Suited To Pre 1980 Modern Classic Cars 1 Gal
Castrol XL 20W50 is an oil designed for pre-1980 modern classic cars. It is a conventional multigrade engine oil, formul

£47.91
New
Castrol Classic XL 20w50 Motor Oil 9 Litres
Brand new 2x 1 Gallon ((4.54 litres) of Castrol 20w50 Engine Oil. This item was bought from Burton Performance (still in

£73.50
New
Castrol Classic XL 20w50 Motor Oil in Metal Can NEW 1925G 1 Gallon Genuine
Castrol Classic XL 20w/50 Motor Oil. We are an approved Castrol Oil Distributor . Castrol Classic XL 20W-50 is a convent

£44.85

25 Castrol Classic 20w50 deals are available from: Amazon, eBay stores, starting from £12.99.
The biggest discount we found is 19% on Comma CLA20505L 5L 20W/50 Classic Motor Oil - Yellow at Amazon.
The lowest price we found is £12.99 while the highest is £184.94.
Prices for the best Castrol Classic 20w50 deals average at £50.25.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Castrol Classic 20w50.