Guides
Practical UK motoring guides: MOT rules and prep, fuel choices, Clean Air Zones and tax, backed by the same live data as our checkers.
How much does an MOT cost in 2026?
The MOT test fee is capped at £54.85 for cars. What garages actually charge, when retests are free, and the repair bills behind common failures.
When is my MOT due? How to check your expiry date
Find your MOT due date free by registration, learn the three-year rule and the early-test window that keeps your expiry date.
Driving without an MOT: fines, insurance and what happens
Driving without a valid MOT risks a £1,000 fine and an insurer that will not pay. The only legal exceptions, and what to do if yours lapsed.
Clocked car check: how to spot mileage fraud before you buy
A clocked car hides wear behind a doctored odometer. How to check MOT mileage history free and spot the warning signs before you pay.
London ULEZ: charges, hours, fines and how to check your car
The London ULEZ charges £12.50 a day across Greater London. Which cars pay, when it runs, the £180 penalty and how to check any reg.
SORN: how to declare your car off the road (and the rules)
SORN lets you keep an untaxed car legally off public roads. Where it can sit, insurance and tax refunds, and the fines for getting it wrong.
How the MOT test works: what is checked and what the results mean
How the UK MOT works: when your car needs one, what the tester checks, the pass and fail categories, retest rules and how to read your MOT history.
EV vs petrol running costs: the honest comparison
Pence per mile, home and public charging, road tax and servicing: what an EV actually costs to run in Britain compared with a petrol car, in plain numbers.
How to prepare for your MOT: a 10-minute DIY checklist
A practical pre-MOT checklist: lights, tyres, wipers, brakes and fluids, plus the small fixes that stop a cheap failure becoming an expensive one.
UK vehicle tax (VED) explained: bands, rates and the expensive-car supplement
How Vehicle Excise Duty works in 2026: first-year CO2 bands, the flat standard rate, the £40,000 expensive-car supplement and where EVs fit now.
E10 vs E5 petrol: which goes in your car?
What the switch to E10 means for your car, whether your engine is compatible, and the mileage and price trade-offs of E5 super unleaded.
UK Clean Air Zones: every city, charge and rule explained
London ULEZ, Birmingham, Bristol, Bath, Sheffield and Newcastle: every UK Clean Air Zone explained, with charges, Euro standards, hours and exempt vehicles.
The most common MOT failures in the UK, and how to avoid them
Lights, tyres, brakes, suspension: the most common MOT failures in Britain, ranked from 130.22 million DVSA tests, with the cheap fixes that help you pass first time.
Diesel vs petrol in 2026: costs, emissions and clean-air rules
Diesel or petrol? Economy, fuel prices, Euro standards and Clean Air Zone charges compared, with the numbers that matter for UK drivers this year.
How mileage affects MOT failure rates
Which mileages fail the MOT most? Band-by-band numbers from 130.22 million UK tests, and why a high-mileage car is not doomed.
How UK fuel prices are set, and how to check yours is fair
Wholesale oil, duty, VAT and local competition: what makes up the price of a litre in the UK, and how the Government's fuel price scheme helps you find the cheapest pump.
MOT exemptions: does your car actually need a test?
The 40-year classic rule, the three-year exemption for new cars, and the vehicles that never need an MOT, plus the catches that end the exemption.
Why older cars fail the MOT, and what to check at 10 years
Vehicle age is the strongest predictor of MOT failure. When cars start to fail, which parts go first, and how to keep a 10-year-old car passing.