Compare to... 811 Adder Autarch Banshee 900R Bullet Champion Cheetah Cyclone Cyclone II Deveste Eight Emerus Entity MT Entity XF Entity XXR ETR1 FMJ FMJ MK V Furia Ignus Infernus Itali GTB Itali GTB Custom Krieger LM87 Luiva Nero Nero Custom Osiris Penetrator Pipistrello RE-7B Reaper Rocket Voltic S80RR SC1 Scramjet Sultan RS Suzume T20 Taipan Tempesta Tezeract Thrax Tigon Torero XO Turismo Omaggio Turismo R Tyrant Tyrus Vacca Vagner Vigilante Virtue Visione Voltic Weaponized Ignus X-Treme X80 Proto XA-21 Zeno Zentorno Zorrusso The Progen GP1 is a Super Car featured in GTA Online on PS5, Xbox Series X|S, PC, PS4 and Xbox One, added to the game as part of the 1.38 Special Vehicle Circuit update on March 14, 2017.
The GP1 can be purchased in GTA Online from Legendary Motorsport for a price of $1,260,000. The GP1 can be stored in any of your Properties/Garages as a Personal Vehicle. It can be customized at Los Santos Customs. You can also modify it in a Vehicle Workshop inside one of your owned properties. Once acquired, you can request the delivery of the GP1 from the Mechanic. It can also arrive at the player's own Auto Shop Service, where you're tasked to modify a customer's car to their specification and deliver it back to them, or you can optionally purchase it directly.
The design of the Progen GP1 is based on a real life McLaren F1.
The actual top speed of the GP1 in GTA V is 123.75 mph (199.16 km/h) when it's fully upgraded, as it's been accurately tested in-game by Broughy1322.
Yes, you can sell the GP1 at Los Santos Customs for a resale price of $756,000 (60% of the original purchase), plus 50% of the value of your upgrades.