Assumptions

Applied to every car. Edit a car to override its own figures.

Extend to 10 years

Horizon5 years

Annual mileage8,000 mi

Petrol

p/L

UK avg, Aug 2026

Diesel

p/L

UK avg, Aug 2026

Home electricity

p/kWh

Price cap unit rate

Opportunity rate

% / yr

What cash could earn

Need two cars

Add at least two cars to the garage, then compare true cost, per mile, and every line of ownership.