GTA LCS (PSP) - "Double Dash" cheevo (RetroAchievements)

To unlock this achievement, you must complete the "Deimos Dash" race mission using the Deimos SP. Since this is a payphone mission, Toni accepts it at a booth in Aspatria, located opposite the Liberty City Memorial Stadium. The Deimos SP is a rare vehicle that cannot be found in Portland. You can only find it on Staunton Island or in Shoreside Vale. It rarely spawns on Staunton—if you happen to find one there, great, but otherwise, don't bother looking. However, you are guaranteed to find one in Shoreside Vale, as you will need to locate it for a Love Media mission anyway. One is parked in the driveway of the house next door to the Cartel Mansion in Cedar Grove, Shoreside Vale. Also, the "Deimos Dash" mission itself is required for 100% completion.