Petrol vs Diesel: Which Is Cheaper to Run in 2024?
The petrol vs diesel debate has shifted. DPF costs, diesel longevity and fuel price movements have changed the calculation. We compare total ownership costs for different driver profiles.
📅 Updated Jun 2026👁 0 views
Risk:
5/10
The conventional wisdom that diesel is cheaper to run for high-mileage drivers is no longer universally true. DPF maintenance costs, the diesel scrappage movement in cities, and improvements in petrol engine efficiency have changed the calculation. This comparison covers real total ownership costs across different driver profiles.
Conclusion
For most UK drivers doing under 15,000 miles/year with mixed urban/motorway use, the petrol vs diesel cost difference is smaller than assumed. Hybrid and mild hybrid models now offer compelling alternatives for those doing under 20,000 miles.
New diesel car sales are declining, but used diesel will be legal to own and drive for decades. The question is total cost, not legality.
Can I still buy a diesel used car?
Yes — for high-mileage drivers, a good diesel remains cost-effective.
What about hybrid?
Hybrid outperforms both petrol and diesel on running costs for most driver profiles. Battery replacement concern is overstated — they last 150,000+ miles.
Important Notice: This page is based on owner reports, community discussions and MyCarFault case data.
It is not an official manufacturer defect notice. Information about costs and reliability reflects community-reported experiences and may not apply to your specific vehicle.
Always confirm diagnosis with a qualified mechanic before making repair or purchase decisions.
MyCarFault makes no warranty as to the accuracy or completeness of any information on this page.