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Brandywine Mobile Mechanic
Chester County, PA
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Pre-purchase inspection in West Chester & Chester County, PA

Buying a used car is the biggest financial decision most people make in any given year. Spending $150 to have an independent mechanic look at it for an hour and a half before you hand over thousands of dollars is the single highest-return decision in the process.

What we check

  • Diagnostic scan: all stored, pending, and history codes; freeze-frame data; readiness monitors (so we know if the seller cleared codes recently)
  • Fluids: oil condition (color, smell, level), coolant (color and level), transmission fluid, brake fluid, power steering, differential
  • Brakes: pad thickness on all four corners, rotor condition, fluid moisture content
  • Tires: tread depth, date codes, wear pattern (which tells us about alignment and suspension)
  • Suspension and steering: ball joints, tie rod ends, control arm bushings, shock/strut leak check
  • Body and frame: repaint check, panel-gap check (signs of accident repair), rust, frame rail condition
  • Engine bay: visible leaks, belt condition, hose condition, mount condition, electrical connector signs of repair
  • Underneath: exhaust condition, drivetrain leaks, transmission and transfer-case leaks, rust on critical structural members
  • Road test (if seller allows): cold start, idle quality, transmission shift quality, brake feel, steering pull, any noises or vibrations
  • Written report with photos sent to your phone within an hour of finishing

Things this inspection has caught

Repainted quarter panel that the dealer didn't disclose. Subaru head gasket already weeping at 70,000 miles. Frame rust on a North-East truck that the seller power-washed before listing. Aftermarket transmission that didn't match the title. Cleared codes that came right back on the road test. Tires with 2024 date codes that the dealer was selling as "new tires." A dead cylinder that only showed up at operating temp.

Most cars pass with minor stuff. Some don't. Either way, you go into the negotiation with information the seller didn't want you to have.

Service area for PPIs

Anywhere in Chester County, PA: West Chester, Exton, Downingtown, Malvern, Paoli, Coatesville, Phoenixville, Kennett Square, Oxford, Avondale, and beyond. We can also meet at dealer lots in adjacent counties on request — Delaware County and Montgomery County dealerships are common pickup points for Chester County buyers.

Booking

We need: the seller's address, the car's year/make/model, the VIN if you have it (we run a basic recall and bulletin check), and a window the seller is OK with us showing up. 24 hours' notice is ideal; we can sometimes do same-day for urgent situations.

Book a pre-purchase inspection

Where the car is, the year/make/model, and the seller's number if you can share it.

Need it today? Call (610) 541-8307.

Common questions

How much is a pre-purchase inspection?
$150 flat for cars in Chester County. We come to wherever the seller has the car parked — private seller's driveway, dealer lot, parking lot — and you get a written report before you commit. Worth it on every used car purchase over a couple thousand dollars.
How long does the inspection take?
60 to 90 minutes for most cars. Pickup trucks, large SUVs, and anything with a known problem area (Subaru head gaskets, BMW oil leaks, Ford EcoBoost timing) take closer to 90.
What does the inspection cover?
OBD-II scan and freeze-frame data, fluid condition (oil, coolant, transmission, brake), brake pad and rotor condition, tire condition and date codes, suspension play, frame and structural rust check, body and paint check for repaint or accident damage, every visible leak, road test if the seller allows it, and a written summary with photos.
Will the seller let you do this?
Most legit private sellers are fine with it. Dealers — usually fine, occasionally pushy. If a seller refuses a PPI, that's a red flag and you should walk away. There's no good reason to refuse 90 minutes of an outside mechanic looking at the car.
Can you go to a Carvana / online vendor delivery?
Yes — your 7-day return window is the perfect time to do this. Book us within the first two days of delivery so you have time to return it if we find something serious.