20 Best Gf4 5w20 Oil in UK 2023 Reviews and Buying Guide

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After tons of hours of researching and comparing all models on the market today, Flash Splash finds out the Best gf4 5w20 oil of 2022. Check out our list of 20 products.
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1 Castrol MAGNATEC Stop-Start 5W-20 E Engine Oil 4L Castrol MAGNATEC Stop-Start 5W-20 E Engine Oil 4L No ratings yet
2 Castrol MAGNATEC Stop-Start 5W-20 E Engine Oil 5L Castrol MAGNATEC Stop-Start 5W-20 E Engine Oil 5L No ratings yet
3 Castrol 1239874 MAGNATEC Professional 5W-20 E Engine Oil 5L Castrol 1239874 MAGNATEC Professional 5W-20 E Engine Oil 5L No ratings yet
4 Carlube Triple R 5W-20 Fully Synthetic Car Motor Engine Oil 1L Carlube Triple R 5W-20 Fully Synthetic Car Motor Engine Oil 1L No ratings yet
5 Lucas Oil 10516 SAE 5W-20 Motor Oil-946ml Lucas Oil 10516 SAE 5W-20 Motor Oil-946ml No ratings yet
6 Carlube Triple R 5W-20 Fully Synthetic Car Motor Engine Oil 1L Carlube Triple R 5W-20 Fully Synthetic Car Motor Engine Oil 1L No ratings yet
7 Castrol Engine Oil Magnatec Start Stop 5W20E 1L Castrol Engine Oil Magnatec Start Stop 5W20E 1L No ratings yet
8 Castrol MAGNATEC Stop-Start 5W-20 E Engine Oil 4L Castrol MAGNATEC Stop-Start 5W-20 E Engine Oil 4L No ratings yet
9 MANNOL SAE 5W-30 ACEA A5/B5 API SN Ilsac GF-4 Fully Synthetic Engine Oil 5L MANNOL SAE 5W-30 ACEA A5/B5 API SN Ilsac GF-4 Fully Synthetic Engine Oil 5L No ratings yet
10 Castrol MAGNATEC Professional 5W-20 E Engine Oil 1L Castrol MAGNATEC Professional 5W-20 E Engine Oil 1L No ratings yet
11 Mannol SAE 5W-30 ACEA A5/B5 API SN Ilsac GF-4 Fully Synthetic Engine Oil 1L Mannol SAE 5W-30 ACEA A5/B5 API SN Ilsac GF-4 Fully Synthetic Engine Oil 1L No ratings yet
12 CASTROL MAGNATEC PROFESSIONAL 5W-20 - Engine Oil, 1 L, 1L CASTROL MAGNATEC PROFESSIONAL 5W-20 - Engine Oil, 1 L, 1L No ratings yet
13 Castrol POWER1 4T 10w-40 Motorcycle Oil 1L Castrol POWER1 4T 10w-40 Motorcycle Oil 1L No ratings yet
14 Comma CLA20505L 20W/50 Classic Motor Oil, 5 Liter Comma CLA20505L 20W/50 Classic Motor Oil, 5 Liter No ratings yet
15 Castrol POWER1 4T 10W-40 Motorcycle Oil 4L Castrol POWER1 4T 10W-40 Motorcycle Oil 4L No ratings yet
16 Castrol 1925A Classic 20W50 Oil, 4.54 Liter Castrol 1925A Classic 20W50 Oil, 4.54 Liter No ratings yet
17 Castrol EDGE 5W-40 Engine Oil 4L Castrol EDGE 5W-40 Engine Oil 4L No ratings yet
18 Comma XTC1L 1L XTech Fully Synthetic 5W30 Motor Oil - Grey Comma XTC1L 1L XTech Fully Synthetic 5W30 Motor Oil - Grey No ratings yet
19 Castrol POWER1 Racing 4T 5W-40 Motorcycle Oil 1L Castrol POWER1 Racing 4T 5W-40 Motorcycle Oil 1L No ratings yet
20 Castrol POWER1 4T 20W-50 Motorcycle Oil 4L Castrol POWER1 4T 20W-50 Motorcycle Oil 4L No ratings yet

Bestseller No. 1
Castrol MAGNATEC Stop-Start 5W-20 E Engine Oil 4L
  • Fully synthetic base engine lubricant with DUALOCK technology.
  • 5W-20 lubricant that meets Ford WSS-M2C948-B specification.
  • Improved fuel saving.
  • It forms a powerful field of force protection against wear.
  • Continuous protection from every start, even for vehicles with modern stop and start technology.
SaleBestseller No. 2
Castrol MAGNATEC Stop-Start 5W-20 E Engine Oil 5L
  • Intelligent molecules that cling to engine parts when the oil drains down.
  • Forms a self-healing layer to protect at each of the critical stages of stop-start driving and beyond
  • Proven to reduce wear in stop-start situations
  • Provides superior performance under extreme cold start up conditions
  • Castrol MAGNATEC STOP-START’s Intelligent Molecules also:
Bestseller No. 4
Carlube Triple R 5W-20 Fully Synthetic Car Motor Engine Oil 1L
  • SPECIFICATION - API SN, ILSA GF-5, Chrysler MS-6395, Fiat 9.55535-CR1
  • Carlube Triple R 5W-20 R-Tec 15 is a fully synthetic engine oil developed to provide enhanced engine and catalyst protection, as well as improved fuel...
  • Triple R 5W-20 R-Tec 15 delivers excellent performance in both engine protection and cleanliness.
  • It provides high-temperature deposit protection for pistons and turbochargers whilst improving sludge control.
  • Additional benefits include enhanced fuel efficiency and ethanol fuel compatibility.
Bestseller No. 5
Lucas Oil 10516 SAE 5W-20 Motor Oil-946ml
  • SAE grades meet or exceed current API specifications
  • Good cold temperature properties
  • Compatible with both conventional and synthetic engine oils
  • Exclusive high-performance additive system
SaleBestseller No. 6
Carlube Triple R 5W-20 Fully Synthetic Car Motor Engine Oil 1L
  • Carlube Triple R 5W-2 R-Tec 14 meets the Ford M2C948-B specification, which is primarily designed for the 1. liter, three-cylinder EcoBoost engine,...
  • SPECIFICATION - ACEA C5, API SN, Ford WSS-M2C948-B, ST JLR.03.5004
  • Engine oils that meet this specification must provide a 0.9% fuel economy improvement over regular 5W-20 oils during testing.
  • Triple R 5W-20 R-Tec 14 reduces internal friction within the engine in order to deliver full power, while at the same time generating fuel savings.
  • As a lighter viscosity engine oil, Carlube Triple R 5W-20 R-Tec 14 provides faster flow to engine parts even at low temperatures due to its extreme...
SaleBestseller No. 7
SaleBestseller No. 8
Castrol MAGNATEC Stop-Start 5W-20 E Engine Oil 4L
  • Suitable for Ford
  • List of Specifications: Meets - Ford WSS-M2C948-B
  • Castrol MAGNATEC with DUALOCK technology forms a self-healing layer that clings to metal surfaces and protects your engine in busy traffic conditions
  • Provides continuous protection for all driving conditions, styles and temperatures
  • Delivers outstanding performance under extreme cold start up conditions
Bestseller No. 9
MANNOL SAE 5W-30 ACEA A5/B5 API SN Ilsac GF-4 Fully Synthetic Engine Oil 5L
  • Ester components provide excellent anti-wear and anti-friction properties due to the exceptional durability of the oil film
  • Significantly saves fuel due to the reduced high-temperature viscosity (HTHS) and excellent anti-friction properties
  • Effectively protects the timing belt from wear, offers an increased total base number (TBN) and excellent compatibility with sealing materials
  • Provides easy, low-temperature engine starting due to its excellent pumpability and particularly turnability
  • A synthetic base guarantees low volatility and reduced operating consumption
Bestseller No. 10
Castrol MAGNATEC Professional 5W-20 E Engine Oil 1L
  • Country of origin: Germany
  • Package weight: 0.92 kg
  • Package dimensions (L x W x H): 23.6 x 10.0 x 6.6 cm
Bestseller No. 11
Mannol SAE 5W-30 ACEA A5/B5 API SN Ilsac GF-4 Fully Synthetic Engine Oil 1L
  • Ester components provide excellent anti-wear and anti-friction properties due to the exceptional durability of the oil film
  • Significantly saves fuel due to the reduced high-temperature viscosity (HTHS) and excellent anti-friction properties
  • Effectively protects the timing belt from wear, offers an increased total base number (TBN) and excellent compatibility with sealing materials
  • Provides easy, low-temperature engine starting due to its excellent pumpability and particularly turnability
  • A synthetic base guarantees low volatility and reduced operating consumption
Bestseller No. 13
Castrol POWER1 4T 10w-40 Motorcycle Oil 1L
  • Suitable for API/JASO
  • List Specifications: API SN, JASO MA2
  • Castrol POWER1 4T 10W-40 (Formerly Castrol POWER1 GPS 4T 10W-30) is an advanced, premium quality engine oil developed for the latest generation 4...
  • Type: Part Synthetic
  • Power Release Technology reduces loss of friction and optimises motorcycle performance and acceleration
SaleBestseller No. 14
Comma CLA20505L 20W/50 Classic Motor Oil, 5 Liter
  • Item Package Weight: 4.88 kg
  • Item Package Length: 11.8 cm
  • Item Package Width: 18.4 cm
  • Item Package Height: 29.4 cm
  • Premium Product
SaleBestseller No. 15
Castrol POWER1 4T 10W-40 Motorcycle Oil 4L
  • Suitable for API/JASO
  • List Specifications: API SN, JASO MA2
  • Castrol POWER1 4T 10W-40 (Formerly Castrol POWER1 GPS 4T 10W-30) is an advanced, premium quality engine oil developed for the latest generation 4...
  • Type: Part Synthetic
  • Power Release Technology reduces loss of friction and optimises motorcycle performance and acceleration
SaleBestseller No. 17
Castrol EDGE 5W-40 Engine Oil 4L
  • Suitable for ACEA C3
  • Specifications: API SN/CF - BMW Longlife-01 - MB-Approval 226.5/ 229.3/ 229.5 - Porsche A40 - Renault RN0700 / RN0710 - VW 502 00/ 505 00
  • Castrol EDGE boosted with Titanium FST sustains maximum performance even when under pressure
  • Independently proven to improve engine efficiency
  • Castrol EDGE lowers friction and maximises engine performance
Bestseller No. 18
Comma XTC1L 1L XTech Fully Synthetic 5W30 Motor Oil - Grey
  • Info: Suitable for high performance engines including fuel injected and multivalve. Info: Provides maximum performance with fuel economy.
  • Info: Fully synthetic blend to prolong engine life
  • Info: Comes in a 1 litre bottle
  • Info: For Ford DuraTec, DuraTorq and Zetec vehicles
  • Premium Product
SaleBestseller No. 19
Castrol POWER1 Racing 4T 5W-40 Motorcycle Oil 1L
  • Item Package Weight: 0.91 kg
  • Part Number:14EAFF
  • Item Package Length: 6.6 cm
  • Item Package Width: 9.8 cm
SaleBestseller No. 20
Castrol POWER1 4T 20W-50 Motorcycle Oil 4L
  • Item Package Weight: 3.700 kgColor: transparent
  • Number of items: 1.0
  • Included components: BOTTLE OF OIL
  • Tested and proven to deliver superior acceleration at the touch of the throttle
  • Power Release formula flows fast and reduces internal engine losses to friction
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