Race Statistics and Analysis

Indy GTP BoP

Written by

fortythree
  • No massive changes.
  • The two Porsches swap P:W!
    • Both gain weight,
    • but 2026 gains power at lower speeds (<230kph)
    • and loses a little at higher speed.
  • Cadillac loses a bit of power relatively.
  • So does Acura, but it loses weight.

Previous 2026 BoP
Daytona– Sebring – Long Beach– Laguna Seca – Detroit – Watkins Glen – Road America

Power to Weight

No change at the top, Aston Martin keeps the best power/weight ever and BMW stays near. Ups and downs for the rest. The 2026 Porsche is again brought a little closer to the pack.

All GTP era BoPs. c* indicates IMSA corrected the values pre-event.

Weight

Both Porsches eat some pies. Acura resists the pizza.

Power

Biggest change is the gain for this year’s Porsche.

High Speed Power

it is quite congested for the latest in the high speed chart. Some further tweaking as 2026 Porsche loses out here despite gaining in lower speed power.

High Speed power adjustment introduced from 2024 Daytona BoP test. High Speed power >240kph, except Laguna Seca, Detroit and Long beach from 2025 Laguna Seca onwards (>200kph)

Replenishment Rate

A full 100% energy stop is still 40 seconds. they call this out explicitly to help the hard of math.

Main BoP Categories for Reference

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