Why enthusiast cars don't depreciate like normal cars.
Values · 6 min read · examples drawn live from the index
A normal car loses roughly half its value in three years and keeps sliding until scrap. Enthusiast cars refuse to behave. In our data the same five-year window produces four completely different shapes. Knowing which shape a car follows tells you when to buy it, what it will cost you per year of ownership, and whether "it's an investment" is a sales line or occasionally true.
Shape 1 — the cliff
Big, complex, technology-heavy cars fall hardest. The BMW M5 F90 is our steepest curve: around half its list price gone in six years, still trending −4% a year. The RS 6 Avant follows the same physics — huge supply, huge options lists, buyers who lease rather than keep. Cliff cars are brutal for first owners and a heist for second owners. The move: let someone else eat years one to four, then buy the best-documented car you can find at the bottom of the slope.
Shape 2 — the slope
Ordinary depreciation, just slower. The Golf R and i30 N lose value steadily because volume kills scarcity; there is always another one for sale. Nothing wrong with that: these are the cheapest cost-per-year performance cars in the index precisely because they keep depreciating politely. Buy them to drive, not to hold.
Shape 3 — the plateau
Some cars find a floor early and simply stop. The MX-5 ND barely moves once past its first owner. The Cayman GTS 4.0 and GR Yaris plateau near list price because demand structurally exceeds supply. A plateau car is the cheapest ownership in the index: you pay the purchase price, run it, and get most of your money back whenever you leave.
Shape 4 — the U-turn
Depreciation runs its course, scarcity takes over, and the curve turns. The E46 M3 (+4.1% this year), 997.1 Carrera S and Elise all bottomed years ago and now climb as the supply of clean examples shrinks. The 458 Italia turned long ago; the last NA V8 Ferrari was never going to stay cheap. The elbow of the U is the single best moment to buy an enthusiast car, and the whole point of tracking trends is spotting it before it is obvious.
What makes the difference
- Scarcity beats specs. Limited production (GR Yaris) or discontinued formats (NA engines, manuals) bend curves upward.
- "Last of" is the strongest value signal in the data. Last NA Ferrari V8, last V8 C-Class, last analog Lotus — the market pays for endings.
- Complexity accelerates cliffs. The more systems that can age expensively, the harder the fall.
- Volume flattens everything. Mass-produced fast cars follow slopes no matter how good they are.
Use it: open any car page and look at the five-year price path plus the 12-month trend badge. Cliff still falling → wait or negotiate hard. Plateau → buy with confidence, exit whenever. U-turn under way → clean examples first; the rough ones appreciate last.