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Updated May 2026 · By Bertram Sargla, founder of MOT Checkup

Used car check before buying: UK 2026 checklist

Ten checks, mostly free, in the order that matters. This is the complete pre-purchase decision flow we recommend to every MOT Checkup user: which checks to run free, which to pay for, where the £7.95–£19.99 paid layer is non-negotiable, and where it's wasted spend. Five of the ten are genuinely free. The paid layer (finance, write-off, full stolen feed) is honest data that costs money to license — we'll tell you when it's worth it and when it isn't.

TL;DR

  • 5 free checks: MOT history, mileage timeline, will-it-pass, DVLA/V5C, stolen-by-101.
  • 4 paid checks (worth it over £2,500): finance, write-off (MIAFTR), full PNC stolen feed, Cat S/N detail.
  • 1 inspection for £5,000+ purchases (AA / RAC, £189–£275).
  • Run all 6 free checks on MOT Checkup at £0.

There is no MOT grace period. The day after expiry you are already driving illegally.

When does this car's MOT actually run out?

Enter the reg for the real expiry date from the DVSA record — plus every advisory a tester has logged against it, which is what fails it next time.

UK

Free · Official DVLA & DVSA data · No sign-up

The 10-step checklist (in order)

  1. 1

    MOT history

    Free

    Why: The most informative single check on any UK used car. Every test, every advisory, every mileage reading recorded by the DVSA — going back to 2005 on most vehicles. Patterns in advisories (recurring suspension, repeated corrosion, brake-pipe flags) tell you more about the next two years of ownership than any other free signal.

    Red flag: Multi-year gaps in testing, mileage stalls between consecutive tests, or a sudden test pattern change after a long ownership window.

    → Run free MOT check
  2. 2

    Mileage timeline & anomaly check

    Free

    Why: Mileage at every MOT is part of the public DVSA record. A clocked vehicle (odometer rolled back) will show a downward step in the timeline. MOT Checkup flags these automatically on the free tier.

    Red flag: Any reading lower than the previous one. Any flat year where the car visibly drove (multiple advisories, tyre changes) but the odometer barely moved.

    → Check mileage timeline
  3. 3

    Pre-MOT 'will it pass?' check

    Free

    Why: If the seller's MOT expires in under 60 days, run a pre-MOT prediction against the failure-rate data for the same make / model / age. The cost of a fresh MOT failure (rejection, retest fees, repair bills) usually lands on the buyer, not the seller.

    Red flag: MOT expiry under 30 days combined with a model-year failure rate over 35%. Negotiate the price down by the expected repair cost or insist the seller MOTs the car before completion.

    → Will my MOT fail?
  4. 4

    DVLA tax, SORN and V5C verification

    Free

    Why: DVLA Vehicle Enquiry confirms the make/model/colour/engine match the V5C the seller is showing. SORN status confirms whether the car has been declared off-road. Any mismatch is a strong indicator of a clone.

    Red flag: Colour or fuel-type mismatch between DVLA and the vehicle. A V5C/2 new-keeper slip presented as proof of ownership without the full V5C.

    → Run vehicle check
  5. 5

    Stolen-vehicle check

    Free

    Why: DVLA does not hold theft data — the Police National Computer does. The free 5-step process (DVLA, V5C, VIN-in-three-places, physical inspection, 101 call) catches most cloned and stolen vehicles offered to UK private buyers.

    Red flag: Refusal by the seller to let you photograph the VIN plates, missing V5C, riveted-not-stamped VIN plate, or asking price 15%+ below market.

    → 5-step stolen check
  6. 6

    Outstanding finance check

    Paid

    Why: If the previous owner still has finance secured against the car, the finance company can legally repossess it after you've paid. A finance check is licensed data — typically £7.95 at Total Car Check, £13.99–£19.99 at HPI / RAC. For any used car over about £2,500 this is the cheapest insurance you'll buy on the purchase.

    Red flag: Seller claims the car is 'paid off' but cannot produce the finance settlement letter or PCP redemption confirmation.

    → Run finance check
  7. 7

    Insurance write-off check (MIAFTR)

    Paid

    Why: Cat S (structural), Cat N (non-structural), and the legacy Cat C / Cat D markers are recorded on the insurance industry's MIAFTR register. The data is licensed; there is no free public lookup. A Cat S marker typically takes 20–40% off the resale value — material to whether the seller's price is fair.

    Red flag: Seller actively avoids questions about previous accidents, or a vehicle priced 15%+ under book without explanation.

    → Run write-off check
  8. 8

    Cat S vs Cat N distinction

    Paid

    Why: If the write-off check returns a category, knowing the difference matters: Cat S is structural and requires DVLA re-registration, Cat N is non-structural. The insurance and resale implications differ. The paid check tells you which; this guide tells you what to do about it.

    Red flag: Seller describes a Cat S as 'just a Cat N' — Cat S discounts deeper and confirms structural repair history.

    → Cat S vs Cat N guide
  9. 9

    Manufacturer recall lookup

    Free

    Why: DVSA publishes open vehicle safety recalls by VIN. An open recall on the vehicle you're buying is the seller's responsibility to clear, or the price should be adjusted to cover it. Recalls are free to remedy at the manufacturer's franchise — there is no excuse for buying with one open.

    Red flag: Open recall older than 12 months and the seller dismissive about it. Means it has not been booked and you'll inherit the appointment.

    → Check open recalls
  10. 10

    Independent pre-purchase inspection

    Paid

    Why: For any purchase over £5,000 — particularly any vehicle with a Cat S marker or borderline MOT history — book an independent pre-purchase inspection from AA (£189–£249), RAC (£199–£275), or a local independent. Two hours of a qualified inspector's time catches mechanical issues no data check can see.

    Red flag: Seller refuses to let an independent inspect the car. Walk away. No legitimate reason exists for a seller to refuse.

    → MOT Checkup tiers

The 5 free things on MOT Checkup

MOT Checkup's free tier covers the genuinely-free data layer: DVSA MOT history, mileage timeline with anomaly detection, AI reliability scoring against the same make and model, will-it-pass MOT prediction, DVLA Vehicle Enquiry and the open-recall lookup. No sign-up, no email, no card, no daily limit. Type a UK registration and the answer comes back.

That free layer is everything DVSA and DVLA publish as open data, plus our analysis on top. It catches the majority of issues that matter on used cars under about £2,500 — and even above £2,500 it is the first 30 minutes of due diligence before paying for a licensed check.

The 4 paid things worth £7.95–£19.99

When the purchase is over £2,500 — or whenever any of the free checks throws a red flag — the licensed layer is straightforward insurance. The four layers that cost money are: outstanding finance (the previous owner's finance company can repossess if unpaid), MIAFTR write-off categories (Cat S / Cat N / Cat C / Cat D), the Police National Computer stolen feed (the full PNC marker, not just the 101 phone confirmation), and keeper / plate-change history.

The cheapest provider with all four layers is Total Car Check at £7.95. HPI and RAC charge £19.99 for the same underlying licensed data. AA is £14.99. MOT Checkup does not currently license these four layers — we link you to a paid provider rather than pretend to bundle data we don't have. See /methodology for our full exclusion list.

When to walk away

Three patterns we'd treat as walk-away signals regardless of how the rest of the checks come back:

Run all 6 free checks free with MOT Checkup

MOT history, mileage timeline, will-it-pass MOT prediction, DVLA Vehicle Enquiry, AI reliability scoring against the same make and model, and the open-recall lookup — all six on a single page, free, no sign-up. Start with the free check at motcheckup.co.uk/free-mot-check and use the result to decide whether the £7.95 paid layer is worth running.

Frequently asked questions

What's the most important check to do before buying a used car in the UK?
The MOT history check is the highest-information-per-pound — and it's free. Every recorded test, every advisory and every mileage reading is in there. Patterns across multiple years (recurring corrosion, recurring suspension flags, mileage stalls) tell you more about the next two years of ownership than any single paid check. After that, the paid licensed checks — finance, write-off and stolen — matter most on purchases over £2,500–£5,000, where the downside of getting one wrong outweighs the £7.95–£19.99 spend.
Is HPI the only place to check a car's history?
No. HPI is the brand-anchor at £19.99, but the underlying licensed data (finance, write-off, stolen) is the same across providers. Total Car Check resells the same data at £7.95, MyCarCheck Comprehensive at £8.49, AA at £14.99, RAC at £19.99. For the free MOT history layer, MOT Checkup, GOV.UK and several other free sites all return the same DVSA record. Paying £19.99 to HPI buys you brand recognition; paying £7.95 to Total Car Check buys you the same underlying data.
How much should I budget for a used car history check?
The free layer (MOT history, DVLA Vehicle Enquiry, recall lookup) costs nothing on MOT Checkup, GOV.UK and several other free services. The paid licensed layer (finance, write-off, stolen) costs £7.95 at the low end (Total Car Check) to £19.99 at the high end (HPI / RAC). For most used cars under £2,500 the free layer is sufficient. For purchases above £2,500–£5,000 the £7.95 paid check is straightforward insurance. For purchases above £10,000 add an independent pre-purchase inspection (£189–£275 from AA or RAC).
What free checks should I run before paying anything?
Five free checks, in order: (1) MOT history via MOT Checkup or GOV.UK, (2) mileage timeline / anomaly check, (3) pre-MOT 'will it pass?' prediction if expiry is close, (4) DVLA Vehicle Enquiry and V5C cross-reference, (5) the 5-step stolen-vehicle check including a 101 call to police. Together these take about 30 minutes and catch most of the issues that matter at sub-£5,000 price points.
When is it safe to skip the paid HPI-style check?
Only at the low end — under about £2,500 — and only when the free layer comes back clean. Above that, the asymmetry favours the £7.95 spend: a single undetected finance lien or Cat S marker costs multiples of the £7.95 the check would have cost. The decision is not 'how confident am I' but 'what's the downside if I'm wrong'. Above £2,500 the downside dominates the £7.95.

ANPR cameras read the DVSA MOT database automatically — nobody has to pull you over first.

Check this reg before you drive it again

Two minutes now, or a fine of up to £1,000 and an insurance policy your insurer can refuse to honour.

  • The real MOT expiry date straight from the DVSA record
  • Every advisory logged against it — the faults due to fail next
  • Open safety recalls the manufacturer will fix for free
UK

Free · Official DVLA & DVSA data · No sign-up