Engine Oil Grades Explained — 0W-20, 5W-30, 5W-40 & More
What do engine oil grades like 0W-20, 5W-30, and 5W-40 mean? Complete UK guide to viscosity grades, when to use each, and how to choose.
Engine Oil
How to Change Engine Oil — Complete DIY Guide
Step-by-step guide to changing your car’s engine oil and filter at home. Tools needed, safety tips, and oil disposal.
DPF Engine Oil Guide — Why Your Diesel Needs Special Oil
Why diesel cars with a DPF need low-SAPS engine oil. What happens if you use the wrong oil, and which oils are DPF-safe.
How to Check Engine Oil Level — Step-by-Step Guide
How to check your car’s engine oil level using the dipstick or electronic gauge. When to check, how to read it, and when to top up.
Synthetic vs Mineral Engine Oil — What’s the Difference?
Full synthetic, semi-synthetic, or mineral oil? What the differences are, which your car needs, and whether it’s worth upgrading.
Best Engine Oils UK 2026 — Top 5 Brands Compared
The best engine oils you can buy in the UK in 2026. Castrol, Mobil, Shell, Total, and Fuchs — compared by performance and value.
Engine Oil Change Intervals — How Often in the UK?
How often to change engine oil in the UK. Manufacturer intervals, the effect of driving style, and when to change more frequently.
Engine Oil Viscosity Explained — What Do the Numbers Really Mean?
Engine oil viscosity guide. SAE grades explained, multi-grade oils, viscosity index, temperature charts, why modern cars use thinner oils.
Audi A3 Engine Oil — Grade, Capacity & Recommendations (2020-2024)
Audi A3 (8Y, 2020-2024) engine oil guide. Correct grade: 5W-30, capacity: 4.5L, spec: ACEA C3. Top oil recommendations.
Audi Q3 Engine Oil — Grade, Capacity & Recommendations (2019-2024)
Audi Q3 (F3, 2019-2024) engine oil guide. Correct grade: 5W-30, capacity: 4.5L, spec: ACEA C3. Top oil recommendations.