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First-Time Used Car Buyer’s Guide: 15-Minute DIY Checklist

  • Writer: Connie Lu
    Connie Lu
  • Oct 19
  • 2 min read
Buying first car
Buying first car

Buying a used car for the first time? That first viewing can be exciting — but it’s also when sellers may try to hide problems. The biggest mistake is falling in love with a car before you even inspect it.

You don’t need to be a certified mechanic to spot most issues. With this 15-minute DIY used car inspection checklist, you can quickly separate a solid deal from a costly mistake. Bring a friend, take your time, and never let a seller rush you.


Inspect the car exterior
Inspect the car exterior

1. Inspect the Exterior (Look for Clues)


  • Check Panel Gaps: Uneven gaps between hood, doors, or fenders may signal accident repairs.

  • Look for Paint Mismatches: Different shades = repainting. Not always bad, but worth noting.

  • Tire Tread Test (Coin Trick): Uneven wear suggests alignment problems.

  • Check for Rust: Pay close attention under doors, wheel wells, rocker panels. Bubbling paint = major concern.


Inspect the car interior
Inspect the car interior

2. Check the Interior (Smell and Feel)


  • Sniff for Trouble: Musty smell = leaks; heavy air freshener = cover-up.

  • Lift Floor Mats: Dampness or stains = water intrusion and possible electrical issues.

  • Test Every Button: Windows, locks, A/C, heater, wipers. Each broken feature = negotiation power.

  • Watch the Dash Lights: On startup, warning lights should come on briefly, then go off. If not, there’s an issue.

Car test drive
Car test drive

3. Review the Engine & Test Drive

  • The Cold Start Rule: Always start the engine cold to catch smoke, rough idle, or knocks.

  • Check the Oil Dipstick: Milky froth = blown head gasket (walk away).

  • Listen to Brakes: Grinding or squealing = brake replacement needed.

  • Feel the Transmission: Shifts should be smooth. Jerking or hesitation = avoid the car.


Car professional inspection
Car professional inspection

4. Get a Professional Inspection

If the car passes your DIY inspection, great — but don’t stop there. Book a Pre-Purchase Inspection (PPI) with a trusted mechanic. For a small fee, they can uncover hidden issues and potentially save you thousands.

Buying a used car doesn’t have to be stressful. With this step-by-step inspection checklist, you’ll know what to look for before committing to a deal. Pair it with a vehicle history report (Carfax Canada or ICBC) for complete peace of mind.



 
 
 

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