22nd May 2026

Know what to Look for When Buying a Used Car in Blackburn

Buying a used car is one of the bigger financial decisions many people make. Whether you are purchasing your first vehicle or replacing an older one, knowing what to look for can be the difference between a reliable buy and an expensive mistake. This guide is aimed at buyers in the Blackburn and Lancashire area and covers the main checks worth carrying out before you part with any money.

Start With the Exterior

Before you look at anything mechanical, walk around the car slowly and inspect the bodywork. Look for panels that do not quite line up, paint that does not match in shade or texture, or signs of filler where small dents have been repaired. Rust is worth noting, particularly around wheel arches, sills, and the edges of the boot lid. A small patch of surface rust is not necessarily a deal breaker, but structural corrosion underneath the car is a different matter entirely.

Check that all the glass is free from chips or cracks. Even a small chip in the windscreen can spread quickly and fail an MOT. Also confirm that every door, the bonnet, and the boot open and close smoothly. Stiff hinges or doors that feel out of alignment can hint at previous accident damage.

The Interior Tells a Story

Step inside and take your time. High-mileage cars tend to show wear on the driver's seat, the steering wheel, and the gear knob. If the interior looks far more worn than the claimed mileage suggests, that is worth querying. Check that all the electric windows work, the heating and air conditioning function properly, and that the infotainment system responds normally. Bring a USB cable if the car has USB connectivity — it is a simple way to confirm the system is working.

Look at the roof lining for stains or sagging, which can indicate water ingress. A musty smell in the interior is another indicator of damp, sometimes caused by a blocked sunroof drain or a worn door seal.

Under the Bonnet

You do not need to be a mechanic to carry out basic checks. Look at the oil level and condition using the dipstick — the oil should be amber to dark brown, not black or gritty. Lift the oil filler cap and check for a creamy, mayonnaise-like residue inside, which can be a sign of a head gasket issue. Check coolant levels and look for any visible leaks around hoses or the radiator.

Take It for a Test Drive

A test drive is one of the most important parts of the buying process. Drive at various speeds, including on an A-road if possible, and listen for any unusual noises. Vibrations through the steering wheel, a pulling to one side when braking, or grinding when changing gear are all signs that further investigation is needed. Test the brakes firmly in a safe area — they should respond promptly and pull up straight.

Tip: Always check the service history 

A full service history from a franchise or reputable independent garage provides reassurance that the car has been maintained at regular intervals. Gaps in the history or stamps that seem inconsistent are worth asking about.

Check the Paperwork

Before agreeing to buy, make sure the V5C logbook is present and that the name and address on it matches the seller. Confirm the VIN on the logbook matches the plate on the dashboard and the door jamb. A vehicle history check will flag any outstanding finance, previous write-offs, or mileage discrepancies. At Autochoice Car Supermarket, every vehicle comes with a free history check included, which gives buyers in Blackburn a clear picture of the car they are considering.

Know Your Consumer Rights

When you buy from a dealer, you have more protection than buying privately. Under the Consumer Rights Act 2015, goods must be of satisfactory quality, fit for purpose, and as described. If a serious fault appears within 30 days, you are entitled to a full refund. Between 30 days and six months, the dealer must repair or replace the vehicle, or offer a partial refund if repair is not possible. Private sales come with far fewer protections, which is one reason many buyers in Lancashire choose to purchase through a reputable dealer.

Taking the time to carry out these checks before buying gives you both confidence in the vehicle and a stronger negotiating position. A reputable used car dealer will welcome your questions and have nothing to hide.