Best 5w30 Fully Synthetic 5l Deals Online in the UK (24 Deals Found)

Last Updated - 29/10/2026 Sort By:

Best Choice
Carlube

New
Carlube Triple R 5W-30 ACEA C3, API SP Fully Synthetic Engine Oil R-TEC 21 5L
SPECIFICATION: ACEA C3-21, API SP, MB229.31.

£31.99
Carlube

New
Carlube Triple R 5W-30 ACEA A5/B5, API SP Fully Synthetic Engine Oil R-TEC 17 5L
SPECIFICATION - ACEA, A5/B5, Ford WSS-M2C913-D, Ford WSS-M2C913-C, ST JLR035003.

£34.99 £35.99
New
Shell Helix Ultra Professional AG 5W30 Fully Synthetic 5L Engine Oil
Shell Helix Ultra is the FIRST motor oil made from natural gas.

£44.95
15% Off
Castrol

New
Castrol MAGNATEC 5W-30 C3 Full Synthetic Engine Oil, 5L
Suitable for ACEA C3, API SN, BMW Longlife-04, Meets Fiat 9.55535-S3, MB 226.5/229.31, Renault RN 0700/RN 0710

£46.47 £54.88
New
Total Quartz INEO ECS 5W-30 5 Litres 5L Fully Synthetic + FREE GIFT
Toal Quartz Ineo ECS 5W30 is a special second-generation Fuel Savings lubricant: it can be used with all Diesel engines

£46.99
Best Value
Castrol

New
Castrol EDGE 5W-30 LL Advanced Full Synthetic Engine Oil, 5L
Advanced full synthetic 5W-30 LL engine oil forpetrol, diesel and hybrid cars

£44.98 £61.43
RS

New
Mannol Longlife 504/507 5W30 C3 Fully Synthetic Engine Oil, 5 Litres

£40.99
New
Castrol EDGE 5W-30 LL Engine Oil Fully Synthetic with Hyspec Standard, 5 Litre
Castrol EDGE 5W-30 LL Engine Oil Fully Synthetic with Hyspec Standard, 5 Litre SAE viscosity class 5W-30 Manufacturer Ap

£46.98
19% Off
Castrol

New
Castrol EDGE 5W-30 LL Advanced Full Synthetic Engine Oil, 4L
Advanced full synthetic 5W-30 LL engine oil forpetrol, diesel and hybrid cars

£39.99 £49.15
New
Castrol EDGE 5W-30 M Advanced Full Synthetic Engine Oil, 8 Litre
Castrol Edge 5W-30 M Car Engine Oil Fully Synthetic, 8 Litre.

£68.99
Castrol

New
Castrol MAGNATEC 5W-30 A5 Full Synthetic Engine Oil, 5L
Suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A1/B1, A5/B5, API S

£50.99
18% Off
Carlube

New
Carlube Triple R 5W-30 Fully Synthetic BMW 4L
Suitable for applications requiring the following specifications: ACEA C2/C3 API SP BMW LL-04 MB 229.31/229.51/229.52 OV

£27.00 £32.99
New
5L Genuine Mercedes Benz 5W30 Low Ash Engine Oil 229.52 Fully Synthetic Z5DPAC
Good cold starting performance, low oil consumption and minimised exhaust emissions.

£42.49
QX Components

New
Triple QX SynPlus SAE 5W30 Fully Synthetic Car Engine Oil 5L Spec 5 Litre
Excellent piston deposit control

£36.49
New
Pace Lubricant 5W-30 Engine Oil ACEA C2/C3 API SN 4L Premium Fully Synthetic
The Pace Lubricant 5W-30 Engine Oil is a premium fully synthetic oil designed for conventional vehicles.

£28.49
Longlife

New
Longlife III 5w-30 Fully Synthetic Engine Oil 5l
Genuine Seat

£37.99
New
Pace Lubricant 5W-30 Engine Oil ACEA C2/C3 API SN 5L Premium Fully Synthetic
The Pace Lubricant 5W-30 Engine Oil is a premium, fully synthetic lubricant designed for conventional vehicles.

£33.49
New
521776071 SynPlus Car Engine Oil 5L 5 Litre 5W30 Fully Synthetic Triple QX TQX
Manufacturer Part Number: 521776071.

£42.99
New
Triple Qx Engine Oil 5W30 c3 5L - 521776061
BMW LL-04<2019.

£48.53
New
Mobil Plus 5W-30 Full Synthetic Engine Oil 5L
Oil Type: Full Synthetic.

£38.99
New
Triple Qx 5w30 VAG 504/507 Fully Synthetic Engine Oil 5L - 521776091
Manufacturer part number: 521776091.

£38.13
New
Duckhams High performance QS 5W-30 FJL Fully Synthetic Engine Oil 5L
QS 5W-30 FJL Fully Synthetic Engine Oil 5L.

£39.94
New
Ford Castrol Magnatec E 5W-20 Professional Engine Oil Fully Synthetic 5L L15F8D6
Ford-Castrol Magnatec Professional.

£44.95
New
ACEA A5/B5 Mobil Super 3000 X1 FE 5W30 Engine Oil 5 Litre 5L + 5L SCREENWASH TAB
Excellent oxidation stability to reduce engine deposits and sludge build-up and to help maintain engine cleanliness.

£46.99

24 5w30 Fully Synthetic 5l deals are available from: Amazon, eBay stores, starting from £27.00.
The biggest discount we found is 27% on Castrol EDGE 5W-30 LL Advanced Full Synthetic Engine Oil, 5L at Amazon.
The lowest price we found is £27.00 while the highest is £68.99.
Prices for the best 5w30 Fully Synthetic 5l deals average at £41.87.
Last updated on October 29, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for 5w30 Fully Synthetic 5l.