Top 10 Slowest and Fastest Depreciating Vehicles in 2023 Published on November 10, 2023 in Top 10 by The Car Guide Photo: Maserati (Fastest depreciation) 1.Maserati QuattroporteAlso: Canadian Black Book Hands Out 2023 Best Retained Value AwardsAlso: Good News for Fans of Jeep’s Two-Door Wrangler Average five-year depreciation: 64.5%