The acceleration boost only applies to the non-performance Tesla Model Y Long Range.
The new Tesla Model Y acceleration boost is a paid software upgrade that’s now available for the Model Y Long Range in the US, which is the current $49,990 “base” model and only available with all-wheel drive. You can purchase the update using your Tesla Mobile app, as long as you have software version 2020.36. Just visit the ‘Upgrades’ tab.
The Acceleration Boost costs $2,000 (approx. £1,550) and drops the Model Y Long Range’s zero-to-60-mph time from the current 4.8 seconds down to 4.3 seconds, though it will probably prove even more impressive in real-world applications. However, think hard before you click ‘ADD.’ Tesla will not issue refunds for the upgrade after 48 hours of the time of purchase.
Tesla has done this same thing in the past. In December 2019, it offered a paid acceleration boost