Used Car Inspection Checklist
Enter a VIN or select a vehicle to generate a printable pre-purchase checklist based on real NHTSA complaint data.
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Vehicle Comparison
How to interpret these results
Complaint counts on this page correlate with sales volume, not reliability. A Camry showing 800 complaints is not necessarily worse than a Bentley showing 12. Our rating algorithm normalizes by segment, comparing each vehicle against direct competitors, not against the whole market.
The mileage range on each weakness is the 25th-to-75th percentile of when that issue typically appears. A line reading "85,000 to 130,000 miles" means half of all complaints for that issue arrived in that window. Use the number against the odometer reading on the car you are looking at: if you are inside or past the range, plan for the repair rather than gambling on it.
Repair-cost ranges come from real NHTSA complaint narratives, owners reporting what they actually paid. The 25th-to-75th percentile trims warranty-covered claims at the low end and engine-rebuild outliers at the high end. Costs are not inflation-adjusted, so older data skews low.
Severity tiers split into two groups. Critical issues are walk-away candidates or expensive enough to renegotiate hard. Watch items are budget items: things you should know about and price into your offer, not deal killers.
Questions to ask the seller
- Are all open recalls completed? Show me the paperwork.
- When was the timing chain or belt last serviced?
- What is the transmission fluid history, was it ever flushed at an interval?
- Has the vehicle ever been in a collision? Any frame work?
- Why are you selling? Listen for vagueness on issues we have flagged.
- Do you have service records? Run away from "I lost them."
- Has the paint been touched up or refinished anywhere?
- What is the last mileage on the timing service, spark plugs, coolant flush?
- Is the title clean? Verify with VINcheck.info, free NMVTIS lookup.
- Will you let an independent mechanic inspect it before purchase?
Red flags, when to walk away
- Seller refuses a pre-purchase inspection by an independent mechanic.
- Title brand: salvage, rebuilt, flood, lemon. Insurance and resale die here.
- Mismatched paint, panel-gap variation, body filler the magnet does not stick to.
- Open recall that has been open for six or more months. The owner ignored a known defect.
- Tread under 4/32 inch. You are buying tires the day you drive home.
- Service-history gaps of 30,000 or more miles, or no records at all.
- Asking price within $500 of Kelley Blue Book "good" condition when the car is rated "fair" or worse.
Why you still need a mechanic's PPI
This checklist plus an OBD-II scanner plus a flashlight gets you 80 percent of the way. The last 20 percent, bushing wear, exhaust leaks, head-gasket weeping, CV-joint clicks, hidden frame damage, needs a lift, a torque wrench, and somebody who has seen a thousand of these. Independent shops charge $100 to $200 for a written pre-purchase inspection report. On a $25,000 car, that is 0.6 percent. On the cheapest used Civic, it is still under 2 percent. Walk away from any seller who refuses to let you take the car to a mechanic.
Frequently asked questions
Where do I find the VIN on a used car?
Driver-side dashboard (visible through the windshield, lower corner), the driver-door jamb sticker, the vehicle title, and the insurance card. 17 characters, no I/O/Q.
Is this checklist a substitute for a mechanic's pre-purchase inspection?
No. It catches what the NHTSA complaint corpus reveals, known weaknesses, recalls, fire reports. It does not catch worn bushings, exhaust leaks, head-gasket weeping, hidden frame damage, or CV-joint clicks. Use this before you bring the car to a mechanic, not instead.
Why are the complaint counts so high on popular cars?
Raw counts correlate with sales, not reliability. A Camry with 800 complaints is not worse than a Bentley with 12. Our rating algorithm normalizes by segment.
Should I buy a car with an open recall?
You can, but only if the seller has the paperwork showing it was completed, or you're willing to take it to the dealer yourself (always free under federal law). Open recalls ignored for 6+ months are a maintenance-discipline red flag.
What's a normal complaint count for a used car?
For mainstream models (Camry, Civic, F-150): 150 to 400 per model year is normal. Problem-prone vehicles (Theta II, PowerShift): 700 to 1,800 or more. Under 100 means either low-volume or genuinely clean, context matters.
What does the mileage range mean?
It's the 25th-to-75th percentile of when that complaint appears. "85K-130K mi" means half of all reports arrived in that window. If the car has 90K and a transmission cluster starts at 85K, you're inside the danger zone.
Where do the repair-cost ranges come from?
Real dollar amounts from NHTSA complaint narratives, owners reporting what they paid. 25th-to-75th percentile filters warranty claims and rebuild outliers. Not inflation-adjusted.
How recent is the data?
NHTSA complaints and recalls are refreshed quarterly. The recall lookup on this page is a live API call to nhtsa.gov, so open recalls are current right now.
Why isn't my vehicle showing up?
Three reasons: under 50 complaints (not enough data); niche makes with no NHTSA presence (Lotus, Bugatti); brand-new model years that haven't accumulated complaints yet. Try a year earlier or use the full reliability search.
Is this free? Do I need to sign up?
Free, no account, no email. The Weekly Driver is supported by ad revenue and small Amazon affiliate commissions on the tools we recommend.