Dallas, TX


Auto Investigation LLC 214-912-3333

Pre-Purchase Inspection / PPI
Appraisal on Classic, Vintage, and Antique Vehicles
Automotive Consultant
Automotive Expert Witness

Auto Investigation LLC offers PPI inspection and an evaluation process for pre-owned vehicles, including: External, Under the Hood, Interior, and Test Drive. 

Additionally, every inspection includes at no extra cost: An OBD computer scanner which is connected to the vehicle’s computer, to check for codes and read live date on 1996, and newer OBDll vehicles (if applicable). Also an electronic paint meter is used (if applicable), to check for the vehicle’s paint thickness, in thousands of an inch. 


  • Paint Condition
  • Body Filler
  • Window / Glass
  • Undercarriage
  • Fluid Leaks
  • Rust
  • Door Panel Alignment
  • Body Damage
  • Tires / Wheels
  • Major Collision Repairs
  • Sun Roofs / Convertible Tops

Under the Hood

  • Fluid Levels
  • Hoses
  • Belts
  • Mechanical Components
  • Engine idling
  • Abnormal noises


  • Seats
  • dash
  • Headliner
  • All Accessories
  • Carpets
  • Instrumentation
  • Radio
  • Navigation/ back up Camera
  • Computer  Codes/and live Data
  • Floor mats
  • Interior Panels

Test Drive

  • Engine
  • Steering
  • Brakes
  • Transmission
  • Suspension
  • Handling
  • Wind Noise

Automotive Consultant / Repair Verification

If you find yourself having to have expensive auto repairs, Auto Investigation can help verify that the repairs are needed and necessary.  We can verify repair quotes to ensure reasonable pricing for parts/ services. We can also verify that repairs have been made to the best standard possible.


Appraisals on Classic, vintage and antique vehicles.

We specialize in classic vehicles. Appraisals can assist you in getting classic/antique automotive insurance, and getting a bank or credit union loan to buy your next vehicle.

Get a Free Professional Consultation

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