Free car guides
Plain-English answers to every UK car question
Everything we know about MOTs, car tax, mileage, SORN and buying a used car, written to be read, not to sell you anything. Each guide pairs with one of our free checks, so you can look up the real data on any car as you read.
Car check & buying
Run a free car check →What checks actually cover, the risks that hide in a used car, and how to buy with confidence.
The Used Car Buying Checklist: Every Check Before You Pay
A step-by-step UK used car checklist: the free data checks before you travel, what to inspect at the viewing, the test drive, paperwork, and what to do right after buying.
5 min read
What Is an HPI Check? What It Shows and When You Need One
A plain-English guide to HPI-style vehicle history checks: what they cover, what they cost, and when the free DVLA data is enough before you pay for one.
7 min read
Full Car Check vs HPI Check: What's the Difference?
What a free car check shows, what a paid HPI-style check adds, a side-by-side table, and how to decide when free data is enough and when it's worth paying.
7 min read
What an HPI Check Does Not Cover (and How to Fill the Gaps)
Paid car checks cover finance, write-offs and theft, not mechanical condition, service history or seller honesty. Here are the gaps and how to close each one.
7 min read
Best Car History Checks in the UK: Free and Paid Compared
An honest editorial look at UK car history checks (HPI, the AA, the RAC, Experian AutoCheck and the budget options) and the free data worth reading first.
7 min read
Outstanding Finance on a Used Car: How to Check and What to Do
How HP, PCP and logbook loans leave a marker against a used car, why the lender can repossess it, how to check before you buy, and what to do if finance shows up.
8 min read
Write-Off Categories Explained: Cat A, B, S and N
Every UK insurance write-off category explained: Cat A, B, S and N plus the older Cat C and D, what each means for buying, insuring and reselling, and how to check.
11 min read
How to Check If a Car Is Stolen Before You Buy
Stolen markers live on the Police National Computer, not in free data. How stolen cars are really sold and the checks that expose them before you pay.
4 min read
The V5C Logbook Explained: What It Is and Why It Matters
What the V5C registration document actually proves, how to read it, transferring it when buying or selling, replacing a lost one, and the logbook scams to avoid.
5 min read
VIN Check: How to Find, Read and Verify a Car's VIN
What a VIN is, how the 17 characters break down, where to find it on the car and the V5C, and why matching every visible VIN against the logbook defeats cloning.
8 min read
How the MOT works, what the results mean, and how to read a car's test history like a pro.
The Complete MOT Guide: Tests, Costs, Rules and Results
Everything about the UK MOT in one guide: what's tested, what it costs, when it's due, what the results mean, and what happens if your car fails.
6 min read
Understanding MOT Results: What Your Certificate Really Says
How to read an MOT result: pass and fail categories, advisories, the VT20 and VT30 certificates, and how to read a car's full test history like a story.
5 min read
MOT Advisories Explained: What They Mean and Which Ones Matter
What an MOT advisory actually means, the post-2018 defect categories, which advisories matter, and how to read advisory patterns before you buy a used car.
7 min read
When Is My MOT Due? Check Any UK Car in Seconds
How to check any car's MOT due date free, the one-month-minus-a-day early renewal window, first-MOT rules for new cars, and the penalties for driving without one.
5 min read
MOT Exemption: How the 40-Year Rolling Rule Works
How the rolling 40-year MOT exemption works: eligibility, the substantially changed rules, the V112 declaration, and what exemption doesn't change about roadworthiness.
7 min read
The Most Common MOT Failures (and How to Avoid Them)
Around three in ten cars fail their MOT first time, mostly on lights, tyres, brakes and suspension. The common failure points and the 10-minute pre-test checklist.
5 min read
Car tax
Run a free car tax check →VED bands, rates and rules in plain English: what any car costs to tax and how to pay it.
Car Tax Bands Explained: 2026/27 VED Rates for Every UK Car
Every UK car tax band for 2026/27: the £200 standard rate, £440 Expensive Car Supplement, first-year CO2 rates, EV rules, and the older pre-2017 and pre-2001 systems.
7 min read
How to Tax a Car: Online, by Phone or at the Post Office
Step-by-step guide to taxing a car online, by phone or at the Post Office: which reference number you need, how to pay, and taxing a car you've just bought.
7 min read
Electric Car Tax Explained: EV Road Tax Rates for 2026/27
Electric cars now pay road tax. Every EV and hybrid rate for 2026/27: the £200 standard rate, the £10 first year, the £50,000 supplement rule and used-EV buying tips.
7 min read
Expensive Car Supplement Explained: Who Pays the Extra £440
The Expensive Car Supplement adds £440 a year to VED in years two to six for cars listed over £40,000 when new: how it works and how to spot it before you buy.
7 min read
Car Tax Refunds: How to Get Your Road Tax Back from the DVLA
When the DVLA refunds car tax automatically, how much you get back, how and when the cheque arrives, and why refunds go missing when the V5C address is out of date.
7 min read
Mileage
Run a free mileage check →Reading a mileage record, spotting clocked cars, and what the numbers really mean for value.
How to Spot a Clocked Car: Mileage Red Flags Every Buyer Should Check
What car clocking is, the UK law on mileage fraud, the data and physical red flags that give a wound-back odometer away, and how to check any car's mileage history free.
8 min read
Average Car Mileage in the UK: What's Normal for Age and Fuel Type
UK cars average around 7,100 miles a year: less for petrol, more for diesel, far less for older cars. How to judge a used car's mileage against the benchmarks.
8 min read
High vs Low Mileage Cars: Which Is the Better Used Buy?
Why a high-mileage motorway car with history often beats a low-mileage town car: low-mileage traps, high-mileage risks, and how the MOT record settles the argument.
7 min read
Is Mileage Correction Legal in the UK? The Law on Odometer Changes
Adjusting an odometer isn't a crime in the UK. Selling a car with a false reading and staying silent is. The law, sellers' duties and what honest disclosure looks like.
8 min read
Bought a Clocked Car? Your Rights and What to Do Next
How to respond when a car you've bought turns out to be clocked: confirm it against the MOT record, gather evidence, use your rights against the seller, and report it.
8 min read
Car spec & emissions
Run a free car spec check →Engine sizes, emissions standards, ULEZ rules and how to find the exact spec of any car.
ULEZ and Clean Air Zones: The Complete UK Compliance Guide
Every UK clean air zone in one guide (London's ULEZ, Scotland's LEZs and the English CAZ cities): the emissions standards, the daily charges, and how to check any car free.
6 min read
Euro Emissions Standards Explained: Euro 1 to Euro 7
What Euro emissions standards are, the dates each one applied from, why Euro 4 and Euro 6 decide ULEZ compliance, and how to find your car's standard free.
5 min read
Car CO2 Emissions Explained: What g/km Costs You
What a car's CO2 g/km figure means, how WLTP changed the numbers, why CO2 sets your first-year tax and company car bands, and how to check any car's figure free.
5 min read
Engine Size Explained: What cc Means and Why It Matters
What engine size in cc actually measures, how it maps to the litres on the badge, what it changes for tax and insurance, and how to check any car's engine size free.
5 min read
How to Find Your Car's Exact Spec (by Reg, VIN and V5C)
A practical route to your car's true specification: what the DVLA record shows free, what the V5C adds, when to decode the VIN, and where the manufacturer figures live.
4 min read
Taking a car off the road properly: declaring SORN, insurance, penalties and getting back on the road.
The Complete SORN Guide: Taking a Car Off the Road
What a SORN is, when it makes sense, how to declare one free with the DVLA, the automatic tax refund, the rules while it's in force, and how to end it.
8 min read
Can You Drive a SORN Car? The One Legal Exception
Driving a SORN car is illegal with one exception: a pre-booked MOT. How that exception works, how ANPR makes detection automatic, and what the penalty stack costs.
7 min read
SORN and Insurance: What Cover Does an Off-Road Car Need?
A SORN removes the legal duty to insure, but not the risks. Laid-up cover, what it excludes, protecting your no-claims bonus, and the MOT-journey insurance trap.
7 min read
How to Take a Car Off SORN and Get Back on the Road
There's no un-SORN form: taxing the car ends it automatically. The five-step order (MOT, insurance, tax), the timing that saves a month, and post-storage checks.
6 min read
Buying or Selling a SORN Car: What Each Side Needs to Do
Why a buyer can't drive a SORN car home, how to tell storage from an abandoned repair bill, and the seller's paperwork: the SORN ends automatically at transfer.
7 min read
Ready to check a real car?
Reading is half the job; the other half is the record. Run a free check on any UK registration: tax, MOT history, mileage and spec, straight from official DVLA and DVSA data.
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