The IsItAGoodCar blog.
Honest, data-led guides on buying used cars in the UK. No affiliate fluff. No SEO filler. Just the facts you need to buy with confidence.
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Cat N Write Off Check: Non-Structural Damage Realities
A Cat N write-off means the car suffered non-structural damage. Discover the realities of buying, fixing, and insuring a Category N vehicle before you make a decision.
Mileage Anomaly Check: Why Consistency in History Matters
A deep dive into why consistency in a car’s history matters, how to identify a mileage anomaly, and what you should do if you find one.
Car Mileage Verification: Protecting Your Car's Value
Discover why car mileage verification is essential for protecting your investment, how to spot mileage fraud, and steps to confirm a vehicle's true history.
Vehicle Service History Check: Tracking Maintenance Gaps
Learn how to spot maintenance gaps and understand why a vehicle service history check is critical when buying a used car.
How to Spot a Clocked Car: Signs of Mileage Tampering
Learn how to spot a clocked car with our comprehensive guide. Discover the key warning signs of mileage tampering and protect yourself from fraud.
Best Vehicle History Check UK: Experian vs Basic Reports
A comprehensive guide on choosing between Experian-backed premium vehicle history checks and basic DVLA/DVSA checks when buying a used car in the UK.
Check Car for Police Interest: Red Flags for UK Buyers
Learn why you must check a car for police interest before buying in the UK. Discover the red flags, avoid stolen vehicles, and protect your money.
Full Vehicle Check: The Ultimate UK Buyer's Protection
A comprehensive guide on why running a full vehicle check is crucial before buying a used car in the UK, uncovering hidden risks like finance, write-offs, and more.
Used Car Scams in the UK: 7 Frauds Targeting Buyers in 2026
From AI-generated ghost cars to vehicle cloning and engine tampering, these are the seven most dangerous used car scams active in 2026 and exactly how to avoid each one.
Buying a Used EV in the UK: Battery Health, Range, and What to Check in 2026
Battery health is the single biggest variable in a used EV purchase. Two identical cars with the same mileage can be worth thousands apart. Here's how to evaluate it properly.
Private Seller vs Dealer: Where Should You Buy a Used Car in the UK?
The cheapest car is not always the cheapest decision. Private and dealer purchases have fundamentally different legal protections, risk profiles, and hidden costs.
How to Check If a Car Is Stolen in the UK (Before You Buy It)
The DVLA free check doesn't flag stolen vehicles. Here's how to use the PNC, MIAFTR, VIN verification, and physical red flags to catch stolen and cloned cars before you hand over your money.
Car Insurance Group Guide: How to Find Cheaper Premiums
Explains the Thatcham insurance group system and guides buyers on finding cars in lower groups.
Hybrid vs. Diesel Running Costs: Which is Cheaper in the UK in 2026?
Analyzes the real-world running costs of hybrid and diesel vehicles, considering fuel, tax, ULEZ, and servicing.
Best Used Cars in the UK for 2026: Where Reliability Meets Value
A curated list of the best used cars across various segments based on reliability data, running costs, and market availability in 2026.
Vehicle Finance Check Guide: The Danger of Buying Outstanding Debt
Educates buyers on the severe risks of buying a car with outstanding finance (logbook loans, HP, PCP).
The V5C Logbook Guide: What Buyers and Sellers Need to Know
A complete guide to the V5C logbook. Explains how to check its authenticity and what buyers and sellers must do during a sale.
Clocked Car Warning Signs: Spotting Mileage Fraud in the UK
Explains the growing issue of mileage fraud. Teaches buyers how to cross-reference MOT histories with physical wear-and-tear.
Car Write-Off Categories Explained: Cat N, Cat S, Cat A, and Cat B
Demystifies the UK's salvage categories. Explains structural vs non-structural damage and the risks of buying written-off vehicles.
Common MOT Failures in the UK and How to Avoid Them
Details the most frequent reasons cars fail their MOT and provides actionable advice on pre-MOT checks you can perform.
How to Check a Used Car in the UK: The Ultimate Buyer's Guide
A comprehensive, step-by-step guide covering online history checks, document verification, exterior/interior inspections, and the test drive.
The Best CarVertical Alternatives in the UK for 2026
A UK-first guide for buyers who want MOT, tax, finance, and write-off intelligence without paying international-report prices on every car.
UK Road Tax Changes 2026: What EV and Petrol Drivers Need to Know
The practical buyer guide to the April 2026 VED changes, including the £200 EV standard rate and the £50,000 zero-emission supplement threshold.
How to Value a Used Car in the UK: Free Valuation Tools vs. Dealer Offers
How to combine free guide prices, live dealer-backed offers, and AI-assisted market analysis so you negotiate from evidence instead of instinct.
Hidden Car Damage: How to Spot a Bad Repair Before You Buy
The practical buyer checklist for spotting poor repair work, understanding Category S and Category N risk, and using AI-assisted photo analysis before you travel.
Mileage Discrepancies in 2026: How to Spot Suspicious MOT History Before You Buy
How to use DVSA MOT history, interior wear clues, and automated trend analysis to spot suspicious mileage patterns before you buy.
How to Challenge an MOT Result in the UK: A Step-by-Step Guide
A clear guide for drivers who believe their vehicle has incorrectly failed its MOT or been given unfair advisories.
How to Find the Best Used Car Deals in the UK in 2025
Finding the best used car deals in the UK can feel like searching for a needle in a haystack. With so many options and price variations, you need a strategic approach to get the most value for your money.
How to Pass Your MOT Test First Time: Complete 2025 Guide
Failing your MOT test is frustrating, expensive, and can leave you stranded. Here's everything you need to know to pass your MOT on the first attempt in 2025.
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