ExampleFictional vehicle, invented history. The wear calculations, however, are the ones the app runs.

See alsoThe motorcycle example

StemmaPass
Traceability passport

Porsche 911 GT3

997.2 Clubsport • 2010 • Track tool

DocumentPB–911GT3–DEMOIssued10/13/26
Mileage59,900 mi
Track hours30.5 h
Track distance1,438 mi
Invoices7

Servicing and wear

Every item, from most used up to freshest. The percentage keeps the harsher of two estimates: the wear on the parts fitted, and the interval declared by the owner.

  • Gearbox oilGearbox oil
    100 %

    no record in the logbook

    Never recorded in this logbook

    1,438 mi on track · 30.5 h since

  • TyresTyres4 tyres fitted + balancing
    87 %

    on invoice

    Fitted at 58,160 mi (05/12/2026)

    194 mi on track · 4.1 h since

  • Brake padsBrake padsFront pads replaced + bedding in
    67 %

    certified by the workshop

    Fitted at 58,533 mi (06/12/2026)

    194 mi on track · 4.1 h since

  • Brake discsBrake discsFront discs replaced, the pair
    66 %

    on invoice

    Fitted at 57,663 mi (04/12/2026)

    360 mi on track · 7.9 h since

  • Brake fluid (high temperature)Brake fluidBrake system bled, high-temperature fluid
    53 %

    certified by the workshop

    Fitted at 58,533 mi (06/12/2026)

    194 mi on track · 4.1 h since

  • CoolantCoolantCoolant replaced
    43 %

    on invoice

    Fitted at 57,228 mi (03/12/2026)

    360 mi on track · 7.9 h since

  • Engine oilEngine oil changeEngine oil and filter change
    42 %

    certified by the workshop

    Fitted at 58,533 mi (06/12/2026)

    194 mi on track · 4.1 h since

  • Other parts / labourRoadworthiness test
    42 %

    declared by the seller

    Done on 12/12/2025

  • Other parts / labourTiming belt
    Not applicable

These intervals are declared by the owner and computed from the figures they entered. They replace neither the manufacturer’s schedule nor an inspection by a professional.

Service history

  • Atelier Vitesse Sud06/12/2026Certified by Atelier Vitesse Sud (checked account)
    58,533 mi
  • Pneus Compétition Rhône05/12/2026Company identified in a public register
    58,160 mi
  • Garage du Circuit04/12/2026Workshop declared by the owner
    57,663 mi
  • Distri-Pièces Sport03/12/2026Done by the owner (timestamped)
    57,228 mi
  • Atelier Vitesse Sud06/12/2025Certified by Atelier Vitesse Sud (checked account)
    54,929 mi
  • Garage du Circuit07/12/2024Workshop declared by the owner
    51,139 mi
  • Atelier Vitesse Sud01/12/2024Certified by Atelier Vitesse Sud (checked account)
    49,585 mi

3 back-dated invoices were imported on 10/12/2025.

Track sessions

7 of 8 sessions come from a GPS logger; the rest were entered by hand.

7 GPS-verified sessions

  • Magny-Cours GPGPS verified07/12/2026 • 194 mi • 246 min
    1:52.400148 mph71 laps
  • Dijon-PrenoisGPS verified04/12/2026 • 167 mi • 228 min
    1:24.800141 mph71 laps
  • Circuit Paul RicardGPS verified12/12/2025 • 222 mi • 264 min
    2:14.100156 mph61 laps
  • Spa-FrancorchampsGPS verified09/12/2025 • 214 mi • 240 min
    2:38.500155 mph49 laps
  • Nürburgring NordschleifeGPS verified06/12/2025 • 181 mi • 210 min
    8:42.000152 mph14 laps
  • Croix-en-Ternois03/12/2025 • 102 mi • 186 min
    1:06.200111 mph78 laps
  • Le Mans BugattiGPS verified11/12/2024 • 175 mi • 222 min
    1:58.900147 mph61 laps
  • Magny-Cours GPGPS verified07/12/2024 • 183 mi • 234 min
    1:54.100146 mph67 laps

Your vehicle can have this page

Upload your workshop invoices, import your track days from your GPS logger: StemmaPass works out the wear and produces this link, which you hand to the buyer.

Create my logbookSee the motorcycle example

Compiled from records and data uploaded by the owner. StemmaPass does not verify their authenticity and is not a party to the transaction.