Alfa Romeo Giulia Quadrifoglio

The closest match to the Alfa Romeo Giulia Quadrifoglio in the catalogue is the small circle of 23 twin-turbocharged V6 cars, and that comparison reveals its unusual position: it belongs to a specialised corner of a 600-car collection rather than a broad middle ground. Its 2,891cc V6, rear-wheel drive layout and twin-turbocharged configuration place it among just 22 cars that combine a V6 with RWD, a combination that defines its character more than any single headline figure.

The numbers show a car that is quick and focused without needing to dominate every ranking. Its 3.9-second 0-100 km/h time places it ahead of 308 cars in the catalogue, while its 307 km/h top speed sits ahead of a substantial part of the field. Its 513 bhp output ranks 312th of 600, meaning its appeal is not simply built around having the largest power figure. Instead, the Quadrifoglio occupies a narrower space where engine layout, drivetrain and performance come together.

As a 2016 super-saloon with a four-door notchback saloon body style, it brings performance figures into a practical shape. The 600 Nm of torque from its V6 supports the sense of a car designed around a complete driving package rather than a single specification. The £42,000 used price places it above 125 cars in the catalogue by cost, with a cost per bhp figure of £82, giving context to what the numbers represent within this collection.

Its production figure of 1,962 cars also provides a clear point of comparison. Of the 177 cars in the catalogue with known production counts, only 111 are rarer, so its exclusivity is measurable without needing exaggeration. It also sits within a small Italian presence in the catalogue, where 118 cars share that country of origin, and Alfa Romeo contributes five cars to the collection.

A dream garage is built from choices, and the Giulia Quadrifoglio presents a particularly interesting one. It is not defined by being the fastest or most powerful car available, but by the combination of a V6, RWD, twin-turbocharged engineering and saloon practicality. Whether that balance makes it the right addition comes down to what the collector wants the garage to represent: a place for maximum numbers, or a place for cars with a distinct position among many alternatives.