VPI Calculator
All competing vehicles will be assigned a Vehicle Performance Index (VPI) by ChampCar. The Vehicle Performance Index is a POINT value that is developed and based on the General Market Value of your car... PLUS... a Performance Evaluation of your car. While some vehicles may have a very low General Market Value, they have a very high Performance Value. Similarly, some vehicles may have a very high General Market Value, but they are considered gutless-wonders. ChampCar maintains a database of both market value and performance information to develop the Vehicle Performance Index. In order to compete, all vehicles must maintain a Vehicle Performance Index of 500 POINTS or less, as described in ChampCar's Basic Club & Competition Rules (BCCR) or maintain a Vehicle Performance Index of between 500 and 1,000 POINTS with the understanding that these vehicles will receive penalty laps.
Vehicle Performance Index (VPI) Lookup:Vehicle Performance Index
Per the BCCR -
4.2.1.1. All models must be standard factory offerings. Special, custom or limited editions are not included (Unless identified as such in the VPI).
4.2.1.2. Factory supercharged or turbocharged vehicles must add 100 points to the listed value (Unless already identified as such in the VPI).
For example, if one were to look up an Audi A4 Quattro, the value will report 500 points. This is accurate if the car is a 3.0v6 model, but if the car is a 1.8T or 2.0T model, the intent is for the value to be 600 points.