There are a lot of useful data points in modern cars. For instance, the compression rate of your suspension can indicate how aggressively you're cornering. This

There are a lot of useful data points in modern cars. For instance, the compression rate of your suspension can indicate how aggressively you're cornering. This sort of thing is already being used in opt-in programs by insurers in the US. They interpret as much data as possible in an attempt to calculate for each customer a sort of driver safety rating that is then used to determine insurance rates.