Best Engine Oil 5w40 of 2026

Last updated on 01/04/2026

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LIQUI MOLY Top Tec 4100 5W-40 | 5 L | Synthesis technology motor oil | SKU: 9511

LIQUI MOLY Top Tec 4100 5W-40 | 5 L | Synthesis technology motor oil | SKU: 9511

Environmentally friendly sulfur reduction.
Extremely high performance reserves.
Ideal for modern diesel engines.

Main Highlights

Sulfur reduced to protect the environment and the particulate filter
Synthetic technology low-viscosity motor oil with extremely high performance reserves
Optimal for state-of-the-art diesel engines with multi-valve technology and turbocharging with and without charge air cooling
Flash point: 232.0

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LIQUI MOLY Top Tec 4100 5W-40 | 5 L | Synthesis technology motor oil | SKU: 9511

Environmentally friendly sulfur reduction.
Extremely high performance reserves.
Ideal for modern diesel engines.

Main Highlights

Sulfur reduced to protect the environment and the particulate filter
Synthetic technology low-viscosity motor oil with extremely high performance reserves
Optimal for state-of-the-art diesel engines with multi-valve technology and turbocharging with and without charge air cooling
Flash point: 232.0

Value for Money

Castrol MAGNATEC 5W-40 C3 Engine Oil 5L

Castrol MAGNATEC 5W-40 C3 Engine Oil 5L

Suitable for various engine types.
Provides increased temperature protection.
Offers consistent start-up protection.

Main Highlights

Suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA C3, API SN Plus or earlier specification 5W-40 lubricant.
Specifications: - ACEA C3 API SN Plus BMW Longlife-04 Meets Fiat 9.55535-S2 Warranted by Castrol to be completely suitable for use in vehicles where the following specifications apply: MB 229.31/ 229.51/ 229.52
Bond to metal surfaces to make engine parts more resistant to wear
Are combined with synthetic technology to provide increased protection in high and low temperature applications
Offer non-stop protection from every start

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Castrol MAGNATEC 5W-40 C3 Engine Oil 5L

Suitable for various engine types.
Provides increased temperature protection.
Offers consistent start-up protection.

Main Highlights

Suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA C3, API SN Plus or earlier specification 5W-40 lubricant.
Specifications: - ACEA C3 API SN Plus BMW Longlife-04 Meets Fiat 9.55535-S2 Warranted by Castrol to be completely suitable for use in vehicles where the following specifications apply: MB 229.31/ 229.51/ 229.52
Bond to metal surfaces to make engine parts more resistant to wear
Are combined with synthetic technology to provide increased protection in high and low temperature applications
Offer non-stop protection from every start

Castrol EDGE 5W-40 Engine Oil 5L

Castrol EDGE 5W-40 Engine Oil 5L

Improves overall engine efficiency.
Sustains maximum horsepower longer.
Delivers superior protection consistently.

Main Highlights

Suitable for use in automotive gasoline and diesel vehicles where the manufacturer recommends: ACEA C3, API SN/CF Lubricant
Specifications: ACEA C3 API SN/CF Meets Fiat 9.55535-S2 Meets Ford WSS-M2C917-A GM dexos2 * MB-Approval 226.5/ 229.31/ 229.51 Renault RN 0700 / RN 0710 VW 505 00/ 505 01
Delivers unsurpassed levels of protection across a variety of driving conditions and temperatures
Independently proven to Improve engine efficiency
Delivers and sustains maximum horsepower for longer, even when under pressure

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Castrol EDGE 5W-40 Engine Oil 5L

Improves overall engine efficiency.
Sustains maximum horsepower longer.
Delivers superior protection consistently.

Main Highlights

Suitable for use in automotive gasoline and diesel vehicles where the manufacturer recommends: ACEA C3, API SN/CF Lubricant
Specifications: ACEA C3 API SN/CF Meets Fiat 9.55535-S2 Meets Ford WSS-M2C917-A GM dexos2 * MB-Approval 226.5/ 229.31/ 229.51 Renault RN 0700 / RN 0710 VW 505 00/ 505 01
Delivers unsurpassed levels of protection across a variety of driving conditions and temperatures
Independently proven to Improve engine efficiency
Delivers and sustains maximum horsepower for longer, even when under pressure

Castrol EDGE 5W-30 LL Engine Oil 5L

Castrol EDGE 5W-30 LL Engine Oil 5L

Recommended by top manufacturers.
Protects under extreme pressure.
Lowers friction, maximises performance.

Main Highlights

Suitable for ACEA/VW/BMW/Porsche/Mercedes
Specifications: ACEA C3 - BMW - Longlife-04 - MB-Approval 229.31/ 229.51 - Porsche C30 - VW 504 00/ 507 00
Recommended by world-leading car manufacturers
Protects the engine for the entire drain interval even under extreme pressure
Castrol EDGE lowers friction and maximises engine performance

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Castrol EDGE 5W-30 LL Engine Oil 5L

Recommended by top manufacturers.
Protects under extreme pressure.
Lowers friction, maximises performance.

Main Highlights

Suitable for ACEA/VW/BMW/Porsche/Mercedes
Specifications: ACEA C3 - BMW - Longlife-04 - MB-Approval 229.31/ 229.51 - Porsche C30 - VW 504 00/ 507 00
Recommended by world-leading car manufacturers
Protects the engine for the entire drain interval even under extreme pressure
Castrol EDGE lowers friction and maximises engine performance

Shell Helix Ultra 5W-40, 5 Litre

Shell Helix Ultra 5W-40, 5 Litre

Advanced formulation for performance engines.
Maximum protection in all climates.
Helps to prevent engine deposits.

Main Highlights

Shell Helix Ultra 5W-40 Fully synthetic motor oil – Shell’s most advanced formulation for high performance engines
Shell Helix Ultra’s fully synthetic formulation offers Shell’s maximum protection in very hot and extremely cold climates, and severe driving conditions
Specifications, Approvals and Recommendations: API SN PLUS, API SN, ACEA A3/B3, A3/B4,VW Standard 502.00 / 505.00, MB-Approval 229.5, 226.5
Porsche A40 / BMW Longlife-01 / Renault RN 0700, RN 0710 / PSA B71 2296 / Chrysler MS01725, 12991,Fiat 9.55535.Z2, Fiat 9.55535-N2 (Meets the requirements)
Shell Helix Ultra uses unique active cleansing technology to help high-performance engines operate at maximum efficiency by helping to protect them from power-robbing deposits and wear

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Shell Helix Ultra 5W-40, 5 Litre

Advanced formulation for performance engines.
Maximum protection in all climates.
Helps to prevent engine deposits.

Main Highlights

Shell Helix Ultra 5W-40 Fully synthetic motor oil – Shell’s most advanced formulation for high performance engines
Shell Helix Ultra’s fully synthetic formulation offers Shell’s maximum protection in very hot and extremely cold climates, and severe driving conditions
Specifications, Approvals and Recommendations: API SN PLUS, API SN, ACEA A3/B3, A3/B4,VW Standard 502.00 / 505.00, MB-Approval 229.5, 226.5
Porsche A40 / BMW Longlife-01 / Renault RN 0700, RN 0710 / PSA B71 2296 / Chrysler MS01725, 12991,Fiat 9.55535.Z2, Fiat 9.55535-N2 (Meets the requirements)
Shell Helix Ultra uses unique active cleansing technology to help high-performance engines operate at maximum efficiency by helping to protect them from power-robbing deposits and wear

Castrol EDGE 5W-40 Engine Oil 4L

Castrol EDGE 5W-40 Engine Oil 4L

Boosts performance under pressure.
Improves engine efficiency independently.
Lowers friction, maximizes performance.

Main Highlights

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

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Castrol EDGE 5W-40 Engine Oil 4L

Boosts performance under pressure.
Improves engine efficiency independently.
Lowers friction, maximizes performance.

Main Highlights

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

MOTORWORLD Fully Synthetic C2/C3 Engine Oil 5W-40 – Advanced Full Synthetic Motor Oil for Petrol & Diesel Engines, Low SAPS, ACEA C2 C3 Approved – 5L

MOTORWORLD Fully Synthetic C2/C3 Engine Oil 5W-40 – Advanced Full Synthetic Motor Oil for Petrol & Diesel Engines, Low SAPS, ACEA C2 C3 Approved – 5L

Premium protection for modern engines.
Meets rigorous OEM standards.
Enhances engine cleanliness and longevity.

Main Highlights

Premium Fully Synthetic 5W-40 Engine Oil – MOTORWORLD C2/C3 offers superior protection and enhanced engine performance for modern petrol and diesel engines, including those with advanced emission control systems.
ACEA C2 and C3 Approved – Meets OEM Standards – Formulated to meet ACEA C2 and C3 specifications, ideal for vehicles requiring low SAPS oils, including many European makes like Peugeot, Citroen, Ford, and Renault.
Low SAPS Formula for Emission System Protection – Helps preserve diesel particulate filters (DPF), catalytic converters (CAT), and other sensitive after-treatment systems, reducing harmful emissions and extending system life.
Engine Cleanliness and Wear Protection – Advanced additives prevent deposit formation and engine wear, ensuring smooth operation, improved fuel economy, and extended engine life.
Reliable Cold Start Performance and Thermal Stability – Provides rapid oil flow on cold starts and maintains strong protection under high temperature and stress, suitable for all driving conditions.

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MOTORWORLD Fully Synthetic C2/C3 Engine Oil 5W-40 – Advanced Full Synthetic Motor Oil for Petrol & Diesel Engines, Low SAPS, ACEA C2 C3 Approved – 5L

Premium protection for modern engines.
Meets rigorous OEM standards.
Enhances engine cleanliness and longevity.

Main Highlights

Premium Fully Synthetic 5W-40 Engine Oil – MOTORWORLD C2/C3 offers superior protection and enhanced engine performance for modern petrol and diesel engines, including those with advanced emission control systems.
ACEA C2 and C3 Approved – Meets OEM Standards – Formulated to meet ACEA C2 and C3 specifications, ideal for vehicles requiring low SAPS oils, including many European makes like Peugeot, Citroen, Ford, and Renault.
Low SAPS Formula for Emission System Protection – Helps preserve diesel particulate filters (DPF), catalytic converters (CAT), and other sensitive after-treatment systems, reducing harmful emissions and extending system life.
Engine Cleanliness and Wear Protection – Advanced additives prevent deposit formation and engine wear, ensuring smooth operation, improved fuel economy, and extended engine life.
Reliable Cold Start Performance and Thermal Stability – Provides rapid oil flow on cold starts and maintains strong protection under high temperature and stress, suitable for all driving conditions.

Castrol MAGNATEC 5W-40 C3 Engine Oil 4L

Castrol MAGNATEC 5W-40 C3 Engine Oil 4L

Approved for various car models.
Protects under all conditions.
Boosts engine's wear resistance.

Main Highlights

Suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA C3, API SN Plus or earlier specification 5W-40 lubricant.
Specifications: ACEA C3 API SN Plus BMW Longlife-04 Meets Fiat 9.55535-S3 MB-Approval 229.31/ 229.51/ 229.52
Bonds to metal surfaces to make engine parts more resistant to wear
Are combined with synthetic technology to provide increased protection in high and low temperature applications
Provides continuous protection for all driving conditions, styles and temperatures

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Castrol MAGNATEC 5W-40 C3 Engine Oil 4L

Approved for various car models.
Protects under all conditions.
Boosts engine's wear resistance.

Main Highlights

Suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA C3, API SN Plus or earlier specification 5W-40 lubricant.
Specifications: ACEA C3 API SN Plus BMW Longlife-04 Meets Fiat 9.55535-S3 MB-Approval 229.31/ 229.51/ 229.52
Bonds to metal surfaces to make engine parts more resistant to wear
Are combined with synthetic technology to provide increased protection in high and low temperature applications
Provides continuous protection for all driving conditions, styles and temperatures

Carlube Triple R 5W-40 ACEA A3/B4, API SN Fully Synthetic Engine Oil R-TEC 28 5L

Carlube Triple R 5W-40 ACEA A3/B4, API SN Fully Synthetic Engine Oil R-TEC 28 5L

Enhanced wear protection provided.
Prevents sludge and deposits.
Sustains engine cleanliness.

Main Highlights

Carlube Triple R 5W-4 R-Tec 28 is a fully synthetic, high-performance passenger car engine oil, developed to provide enhanced wear protection and sludge control in older vehicles without after-treatment devices.
SPECIFICATION - ACEA A3/B3, A3/B4, API SN, MB 229.3, RN 0700, VW 502.00/505.00
Carlube Triple R 5W-40 R-Tec 28 provides robust performance with proven protection against engine wear, sludge, and deposit formation.
Carlube Triple R 5W-40 R-Tec 28 sustains engine cleanliness and prevents the accumulation of deposits on the surface of key engine components such as the pistons
Deposit buildup can cause many issues, including the impairment of component cooling and movement, as well as increased corrosion and engine wear.

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Carlube Triple R 5W-40 ACEA A3/B4, API SN Fully Synthetic Engine Oil R-TEC 28 5L

Enhanced wear protection provided.
Prevents sludge and deposits.
Sustains engine cleanliness.

Main Highlights

Carlube Triple R 5W-4 R-Tec 28 is a fully synthetic, high-performance passenger car engine oil, developed to provide enhanced wear protection and sludge control in older vehicles without after-treatment devices.
SPECIFICATION - ACEA A3/B3, A3/B4, API SN, MB 229.3, RN 0700, VW 502.00/505.00
Carlube Triple R 5W-40 R-Tec 28 provides robust performance with proven protection against engine wear, sludge, and deposit formation.
Carlube Triple R 5W-40 R-Tec 28 sustains engine cleanliness and prevents the accumulation of deposits on the surface of key engine components such as the pistons
Deposit buildup can cause many issues, including the impairment of component cooling and movement, as well as increased corrosion and engine wear.

‎Shell Engine Lubricating Oil Shell Helix HX7 5W-40 5 Litres

‎Shell Engine Lubricating Oil Shell Helix HX7 5W-40 5 Litres

Maintains engine cleanliness and efficiency.
Protects against wear and tear.
Compatible with various engine types.

Main Highlights

Shell Helix HX7 5W-40 is an engine oil with technology that helps maintain engine cleanliness and efficiency. Shell Helix HX7 helps maintain engine cleanliness and efficiency, preventing the formation of deposits and sludge. Suitable for a wide range of vehicles, even under the most demanding driving conditions.
Synthetic technology. Synthetic and mineral blended base oils provide higher performance than can be achieved with a mineral formulation. Shell's unique Active Cleansing Technology. Maintains engine performance by protecting against the formation of deposits. Active Cleansing. Helps remove dirt deposited by the use of lower quality oils. Excellent wear protection. Helps extend engine life by protecting against wear even in daily traffic conditions. Excellent resistance to degradation.
Maintains protection throughout the change interval. Low temperature performance. Flows faster for easier cold starting and engine warm-up. Low evaporation. Lower oil consumption and less refilling between change intervals. Suitable for all fuels. Suitable for petrol, diesel and gas engines as well as those using biodiesel or petrol/ethanol blends as fuel. Protection against LSPI (pre-ignition phenomenon). Modern turbocharged gasoline direct injection engines can suffer from LSPI, which causes severe engine damage.
Shell Helix HX7 helps to extend the life of modern engines under demanding daily traffic conditions by protecting them against wear. Shell Helix HX7 can be used in petrol, diesel (without particulate filter) and gas engines, as well as engines using biodiesel and petrol/ethanol blends as fuel. It can be used in modern turbocharged gasoline direct injection engines to protect against LSPI.
Specifications, approvals and recommendations: API SN PLUS, API SN, ACEA A3/B4, MB-Approval 229.3, VW Standard 502.00, 505.00. Meets the requirements of: Fiat (FCA) 9.55535-M2, Renault RN 0700, RN 0710

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‎Shell Engine Lubricating Oil Shell Helix HX7 5W-40 5 Litres

Maintains engine cleanliness and efficiency.
Protects against wear and tear.
Compatible with various engine types.

Main Highlights

Shell Helix HX7 5W-40 is an engine oil with technology that helps maintain engine cleanliness and efficiency. Shell Helix HX7 helps maintain engine cleanliness and efficiency, preventing the formation of deposits and sludge. Suitable for a wide range of vehicles, even under the most demanding driving conditions.
Synthetic technology. Synthetic and mineral blended base oils provide higher performance than can be achieved with a mineral formulation. Shell's unique Active Cleansing Technology. Maintains engine performance by protecting against the formation of deposits. Active Cleansing. Helps remove dirt deposited by the use of lower quality oils. Excellent wear protection. Helps extend engine life by protecting against wear even in daily traffic conditions. Excellent resistance to degradation.
Maintains protection throughout the change interval. Low temperature performance. Flows faster for easier cold starting and engine warm-up. Low evaporation. Lower oil consumption and less refilling between change intervals. Suitable for all fuels. Suitable for petrol, diesel and gas engines as well as those using biodiesel or petrol/ethanol blends as fuel. Protection against LSPI (pre-ignition phenomenon). Modern turbocharged gasoline direct injection engines can suffer from LSPI, which causes severe engine damage.
Shell Helix HX7 helps to extend the life of modern engines under demanding daily traffic conditions by protecting them against wear. Shell Helix HX7 can be used in petrol, diesel (without particulate filter) and gas engines, as well as engines using biodiesel and petrol/ethanol blends as fuel. It can be used in modern turbocharged gasoline direct injection engines to protect against LSPI.
Specifications, approvals and recommendations: API SN PLUS, API SN, ACEA A3/B4, MB-Approval 229.3, VW Standard 502.00, 505.00. Meets the requirements of: Fiat (FCA) 9.55535-M2, Renault RN 0700, RN 0710

We scanned 1134 products

We reviewed these offers relevant to the Engine Oil 5w40 within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Liqui Moly, Castrol, Shell, Motor World, Carlube, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Engine Oil 5w40 in the market, we considered we took a deep dive into 5671 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is LIQUI MOLY Top Tec 4100 5W-40 | 5 L | Synthesis technology motor oil | SKU: 9511. We love many things about this product by Liqui Moly. What sets it apart from the competition is Environmentally friendly sulfur reduction, Extremely high performance reserves, Ideal for modern diesel engines.
The best value product for most shoppers and where user satisfaction is continuously the highest is Castrol MAGNATEC 5W-40 C3 Engine Oil 5L by Castrol based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Engine Oil 5w40 and the best cost-to-value ratio is Castrol EDGE 5W-30 LL Engine Oil 5Lat Castrol with a 39% discount.
Our list of the best Engine Oil 5w40 is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.