Car & Travel Guides
Plain-English guides for UK drivers — covering fuel costs, mileage claims, running costs and choosing between petrol, diesel and electric.
Use the Car & Travel Guides
Most drivers only think about fuel. But the real cost of car ownership includes depreciation, insurance, tax, servicing, tyres and financing — and together they can add up to far more than the monthly payment. This guide breaks down every cost and shows you how to calculate yours.
Read guide →How to Calculate Your Fuel Cost Per Mile and Per Journey
Knowing your true fuel cost per mile helps you compare vehicles, plan long trips and calculate business mileage accurately. This guide explains the formula and the variables that affect it.
Read guide →Petrol vs Diesel vs Electric: Which is Cheapest to Run?
The fuel type you choose affects running costs, tax, residual value and day-to-day practicality. This guide compares the real numbers for 2026 — including charging vs fuelling costs and total cost of ownership.
Read guide →Is an Electric Car Cheaper to Run Than Petrol?
EVs cost less per mile to run but more to buy. This guide looks at the full picture — home charging costs, public charging, servicing, depreciation and the break-even point against an equivalent petrol car.
Read guide →What Counts as Business Mileage — and How to Claim It
Not all work-related driving qualifies for HMRC's mileage allowance. This guide explains which journeys count, which don't (commuting never does), and how to claim 45p per mile correctly through your employer or self-assessment.
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