What to Look For When Buying a Used Car

Last updated: 11th Mar, 25
we'll guide you through the essential factors to consider when buying a used car. From evaluating the vehicle’s condition to understanding pricing and paperwork, discover the key points to ensure a smart purchase.
mark-smyth-author.png
Reviewed by Mark Smyth
Automotive writer & journalist with 20 years of experience
what-to-look-for-when-buying-a-used-car.jpg

Buying a used car in 2025 can be a smart move, but it's essential to know what to look for to ensure you make a wise investment. The most critical step is to thoroughly check the vehicle's history and documents—this includes the V5C registration document, service history, and a full vehicle history report. These checks help you understand if the car has been well-maintained, had any accidents, or has outstanding finance.

To find a reliable second-hand car, compare the market prices of different models and set a realistic budget. Pay close attention to the car's condition and mileage, as these factors can significantly influence both value and future expenses. Bringing along a knowledgeable friend or consulting with a mechanic can provide additional insights during the inspection.

A good practice is to consider certified pre-owned vehicles, as they typically undergo rigorous inspections, adding an extra layer of assurance. Don't forget to take the car for a test drive to get a feel for its performance and condition. These steps will guide you towards making a confident and informed decision during your used car purchase.

Get an instant MOT or service quote

Compare garages in your area for the best price and rating now!
MOT
Select your service

Used Car Checklist Before Making a Purchase

Buying a used car involves careful inspection and verification to ensure your prospective vehicle meets expectations. This guide outlines critical aspects like engine condition, mileage, interior wear, and other vital components, helping you make an informed decision.

Vehicle History Report

Obtaining a Vehicle History Report is crucial for gathering details about the car’s past. Check for records of accidents, previous owners, outstanding finance, and title status. Ensure the vehicle identification number (VIN) on the report matches the car. This report aids in detecting inconsistencies or hidden problems. You should also verify the MOT history to understand how the car has fared in past safety tests. A clear report signifies a potentially reliable purchase, so it's key to review this information thoroughly.

Mileage

Mileage gives insight into the vehicle's usage and potential lifespan. Lower mileage typically indicates less wear, but extremely low mileage can signify prolonged periods of inactivity. Compare the displayed mileage with service records and the vehicle history to ensure consistency. High mileage isn’t always negative if the car has been well-maintained with regular servicing. Understanding mileage will help you assess the future maintenance needs and value of the car.

Engine Condition

The engine is the heart of the vehicle, and its condition is paramount. Listen for unusual noises, check for smoke or leaks, and verify the oil colour and levels. Inspect the engine bay for rust, worn belts, or hoses. Ensuring smooth operation during a test drive is critical. A well-maintained engine will run quietly and respond adequately to accelerations and gear changes, indicating a healthier car.

Transmission Performance

Evaluating the transmission is essential for a smooth driving experience. Whether manual or automatic, pay attention to shifting responses and any lag or slippage. In automatics, shifts should be seamless, while manuals should not grind or clunk. Check for any warning lights during a test drive. Reliable transmission performance is a good sign of overall vehicle health and can prevent costly repairs later on.

Body and Paint Condition

Examine the body and paint for rust, dents, or mismatched colours. Gaps between panels could hint at previous accidents or poor repair jobs. Scratches and chips affect resale value and may signal neglect. Check under the car for signs of corrosion. Look at the condition of the wheel arches as they can be prone to rust. A visual inspection helps determine the car's cosmetic and structural integrity.

Interior Wear and Tear

Inspect the interior for wear and tear, focusing on seats, upholstery, and dashboard features. Look for stains, tears, or unusual odours that could indicate prior damage or neglect. Ensure all controls, lights, and gauges operate correctly. Such checks provide insight into the previous owner’s care level and can affect comfort and resale value. Functioning air conditioning and heating systems are important for well-being on the road.

Tyre Condition

Inspect tyres for tread depth and uniform wear. Use a tread gauge or look for tread wear indicators to determine if replacements are needed. Uneven wear might signal alignment issues. Check tyre pressure and examine sidewalls for cracks or bulges. The tyres’ condition is vital for safety, performance, and fuel efficiency, so invest time in a thorough inspection.

Fluid Leaks

Look for leaks by checking under the parked car for oil, coolant, or transmission fluid puddles. Verify fluid levels by removing the respective dipsticks, considering the colours and viscosity. Fluids should not have a burnt smell. These leaks can indicate serious mechanical problems that might not be apparent during a short test drive, necessitating repairs.

Electrical System Functionality

Ensure the electrical system operates all essential features. Test the lights, indicators, horn, windows, and infotainment systems. Verify that all warning lights on the dashboard function properly when starting the car. A fault in the electrical system can be costly to repair, so ensure everything works as it should.

Air Conditioning and Heating

Confirm that both air conditioning and heating systems function effectively. Test all settings, including different fan speeds and temperature adjustments. Listen for unusual noises or smells when running these systems. Properly functioning climate controls can significantly enhance comfort and safety, particularly during extreme weather.

Suspension and Alignment

Test the suspension by driving over bumps and feeling for excessive movement or noise. The car should drive smoothly without drifting or pulling to one side. Visually inspect the suspension components for signs of wear or damage. Proper suspension and alignment contribute to a safe and smooth ride and can signal the general maintenance level the car has received.

Brake Condition

The brakes are a critical safety component. During a test drive, listen for squeaking or grinding noises, and ensure the car stops efficiently. The pedal should not feel spongy, and there should be no vibration when braking. Visually inspect brake pads and discs where possible. Effective brakes are essential for your safety and can indicate the vehicle's maintenance history.

Exhaust System Integrity

Check the exhaust system for leaks, rust, or damage. Start the engine and listen for unusual noises, which could indicate a problem. Ensure exhaust emissions are clear, without smoke, particularly under acceleration. A healthy exhaust system is crucial for vehicle performance and environmental compliance, so inspect it thoroughly.

Service and Maintenance Records

Request service and maintenance records to review the car’s upkeep. Regularly serviced cars tend to have better reliability and performance. Verify that the records match the car's mileage and look for recent maintenance on critical components. Consistent service history can provide peace of mind and often indicates responsible previous ownership.

Accident and Repair History

Ask about any accidents or repairs the car has undergone. Check for documentation or evidence of major repairs. Be cautious of vehicles with extensive repair histories, as they can have underlying issues not immediately apparent. Understanding the extent and quality of past repairs helps assess the structural and mechanical integrity of the vehicle.

Recall

Verify if the car was subject to recalls by contacting the manufacturer or checking online databases. Ensure all recall-related repairs have been completed. Unaddressed recalls can pose safety risks or result in future repair needs. Addressing recalls can save you trouble in the future and increases the safety and reliability of the vehicle you intend to purchase.

Subscribe now to get the latest offers in your inbox!

The Bottom Line

When buying a used car in 2025, focus on several key factors to ensure a sound purchase. Start with the vehicle history. A comprehensive report helps identify any past accidents or major repairs, which could impact future reliability.

Review the warranty options available. Many used cars come with limited warranties, yet certified pre-owned (CPO) vehicles often offer more extensive coverage.

Understanding your financial obligations is crucial. Look beyond initial costs to include road tax, insurance, and ongoing maintenance expenses. Ensure monthly payments are within your budget without straining your finances.

Conduct a thorough inspection. Check for wear on tyres, brakes, and the car's exterior. Examine the odometer to ensure mileage aligns with its age, roughly around 10,000 miles per year is average.

Look into car insurance rates beforehand. Premiums can vary based on the car's make, model, and age. Comparing different quotes helps in selecting a suitable policy.

Pay attention to any dealership offers. Some might include road tax or additional benefits like free servicing within the first year. These perks can reduce initial ownership costs.

Finally, ensure that all paperwork, such as the logbook (V5C), is in order before making the final purchase. This ensures legal ownership is transferred smoothly and avoids unnecessary complications later.

Share on