Home Guides Fuel Type Comparisons

⛽ Fuel Type Comparisons

How does fuel type affect reliability? Diesel vs petrol, electric vs combustion — settled with real MOT data, not opinions.

4 Guides
261M+ MOT Records
Diesel vs Petrol: Which Is More Reliable? We Checked 132 Million MOTs

We analysed 5.7 million MOT tests across 786,691 vehicles to settle the diesel vs petrol reliability debate. The numbers reveal surprising winners.

Read guide →
How Reliable Are Electric Cars? First MOT Data Reveals the Truth

We analysed 3,447 MOT tests across 1,855 electric vehicles to reveal which EVs are genuinely reliable. The data shows hybrids dominate the top spots.

Read guide →
The Most Reliable Diesel Cars in the UK - Should You Still Buy One?

We analysed 6,567 MOT tests across 1,786 diesel vehicles to find the most reliable models. VW T-Roc TDI leads with 99.4% pass rate.

Read guide →
Most Reliable Petrol Cars in the UK - The Best Petrol Engines by MOT Data

Analysis of 28,970 MOT tests across 4,256 petrol vehicles reveals which engines last longest. Toyota Prius leads at 894/1000, but luxury brands surprise.

Read guide →