I purchased my Model 3 Stealth Performance* in August 2019, and my parents picked up their LR AWD in January 2020. I've had the chance to drive theirs a few times and figured it may be helpful to describe the difference in driving performance I've noticed between the two.
Basically the LR AWD seems to drive more evenly and smoothly than my Stealth P. Accelerating in the Stealth P throws you back in your seat much more than the LR AWD does. This also means it's "jerkier", which my wife does not enjoy. I'd say the only difference in driving the two models is this. It's a big difference, but probably the only one I noticed. Their car is still plenty fast, but the Stealth P just has much more power. And no they haven't and probably won't get the boost upgrade for $2k.
*In case I got the "Stealth" terminology mixed up, for what it's worth, the Tesla rep who sold it to me was calling it a "Unicorn" model at the time. Basically it's the M3P but without the upgraded brakes, tires and spoiler. I have the 18" aeros, which work great anyway since I'm in the city with lots of potholes. Plus I never felt like the M3 needed a spoiler since the design already incorporates a spoiler-like curvature where the spoiler goes.
Basically the LR AWD seems to drive more evenly and smoothly than my Stealth P. Accelerating in the Stealth P throws you back in your seat much more than the LR AWD does. This also means it's "jerkier", which my wife does not enjoy. I'd say the only difference in driving the two models is this. It's a big difference, but probably the only one I noticed. Their car is still plenty fast, but the Stealth P just has much more power. And no they haven't and probably won't get the boost upgrade for $2k.
*In case I got the "Stealth" terminology mixed up, for what it's worth, the Tesla rep who sold it to me was calling it a "Unicorn" model at the time. Basically it's the M3P but without the upgraded brakes, tires and spoiler. I have the 18" aeros, which work great anyway since I'm in the city with lots of potholes. Plus I never felt like the M3 needed a spoiler since the design already incorporates a spoiler-like curvature where the spoiler goes.