How much is my car worth? A plain guide to UK car valuations

How much is my car worth?

It's one of the most common questions car owners type into Google, and it's rarely as simple as it should be. Type your reg into three different websites and you can get three different numbers, sometimes hundreds of pounds apart. That's confusing when you're trying to work out what your car is genuinely worth.

The truth is, a car's value isn't one fixed figure. It's a range, and where you land in that range depends on a handful of things that actually matter — and quite a few that people worry about but shouldn't.

What actually moves the number

Mileage. This is the big one. Buyers (and the algorithms behind valuation tools) compare your car's mileage against what's typical for its age. A car with low miles for its year tends to hold value better; one that's covered a lot of ground gets marked down, especially if it's approaching a big service milestone.

Service history and paperwork. A full service history, old MOT certificates, and a clean V5C logbook all add confidence. Missing paperwork doesn't mean your car is worth nothing, but it does mean a buyer has to take more on trust, and that usually shows up in the number.

Condition, inside and out. Scuffed alloys, a cracked windscreen, worn seats, a musty interior — these all get factored in. So does mechanical condition: a car that starts first time, drives smoothly, and has no warning lights on the dash is worth more than one that needs work, even if the mileage and age are identical.

Number of previous owners. Cars with one or two careful owners generally value higher than ones that have passed through several hands quickly.

Demand for that specific make and model. This is the one people underestimate. Some cars are simply easier to sell than others right now — small, efficient family cars tend to be in steady demand, while certain models can sit around longer. Valuation tools account for this by tracking what similar cars are actually selling for, not just what they're listed for.

Colour and spec, to a lesser extent. A popular colour with useful extras (parking sensors, sat nav, a tow bar) can nudge things up slightly. It's rarely a dramatic difference, but it's real.

Why online valuations don't match each other

If you've tried more than one valuation tool, you've probably noticed the numbers don't line up. There are a few reasons for this.

Some tools give you a broad estimate based on your reg and mileage alone, without knowing anything about the car's actual condition. Others lean heavily on advertised prices rather than what cars actually sell for — and there's often a gap between what a seller hopes for and what a buyer will pay.

There's also a difference between trade-in value, private sale value, and what a business will pay to buy your car directly. A private sale might look like it gets you a higher headline figure, but it comes with the time, hassle, and risk of dealing with strangers, cancelled viewings, and haggling. Selling directly to a buyer strips that out, but the figure reflects a fair, no-fuss transaction rather than the best-case private sale scenario.

How to get a figure you can actually rely on

The most accurate valuation is one based on your specific car — its exact mileage, its condition, its history — rather than a generic estimate for the model. That's the difference between a rough guide and a real number.

The simplest way to get that is to get an instant valuation. It takes about 30 seconds, and because it's based on your car's actual details rather than a broad average, the price you're given is one that holds up rather than shifting once someone's actually looked at the car.

That matters more than it sounds. Plenty of people get an online estimate, arrange a sale, and then find the number drops once a buyer inspects the car in person and starts pointing out reasons to knock money off. If you want to understand how that process works from start to finish, how selling to us works walks through each step.

Getting the car ready before you check

A few small things can help you get an accurate picture of your car's worth before you even request a valuation:

• Give it a proper clean, inside and out — first impressions do count.
• Gather your service history, MOT certificates, and V5C logbook.
• Note down any outstanding finance, as this will need settling as part of a sale.
• Be honest with yourself about any dents, scrapes, or mechanical issues, since these will come up regardless.

None of this changes what your car fundamentally is, but it does mean the valuation you get reflects reality rather than guesswork on either side.

Common questions

Why is my car worth less than a similar one online? Advertised prices often reflect what sellers are asking, not what buyers are actually paying. Mileage, condition, and service history specific to your car will also pull the number up or down from a generic model average.

Does the time of year affect what my car is worth? It can, slightly. Certain body styles see modest shifts in demand with the seasons, but condition, mileage, and history still matter far more than timing.

Will my valuation change if I get an inspection? With an instant online price based on accurate details, it shouldn't move much. Being upfront about mileage, condition, and any faults when you first check the price is the best way to avoid surprises later.