Alfa Romeo Stelvio Quadrifoglio (2017-) Price Guide

The Alfa Romeo Stelvio Quadrifoglio is a 510bhp SUV that held the Nürburgring lap record for production SUVs when it launched in 2018. It is the car that proved Alfa could build a performance SUV without abandoning everything that makes the brand special — though it demands more from its owner than the German alternatives ever will.

The Car

The Quadrifoglio uses a 2.9-litre twin-turbo V6 developed by Ferrari engineers at Maranello, sharing its fundamental architecture with the engine in the Ferrari California T. It produces 510bhp at 6,500rpm and 443lb ft from 2,500rpm, driving all four wheels through an eight-speed ZF automatic and Alfa’s Q4 all-wheel-drive system. A carbon-fibre driveshaft, active torque vectoring rear differential, and Brembo brakes with six-piston front calipers are standard. The Nürburgring time of 7:51.7 was set by Fabio Francia, Alfa’s test driver, on Pirelli P Zero Corsa tyres. Kerb weight is 1,830kg — substantial, but lighter than the equivalent BMW X3 M Competition. Alfa Race mode disables the stability control entirely, which in a 510bhp SUV is either a thrilling feature or a terrifying one depending on your skill level and risk appetite.

What Goes Wrong

Early Quadrifoglios from 2018 suffered the same quality control inconsistencies as the rest of the Stelvio range: misaligned body panels, uneven paint, and electrical gremlins including phantom dashboard warnings and infotainment freezes. Cars from 2020 onwards are generally better assembled. The twin-turbo V6 is high-stressed and demands strict adherence to service intervals — oil changes with the correct specification are not optional at this power output. Some owners report turbo wastegate rattle at idle, which Alfa has addressed under warranty on affected cars. The active rear differential is a sophisticated piece of engineering that requires specialist diagnosis when it develops faults. Brake pad and disc wear is rapid — the front brakes work hard given the car’s weight, and the optional carbon-ceramic discs are expensive to replace but last significantly longer than the standard steel items. Tyre wear is equally aggressive, particularly on the rear axle where the torque vectoring system loads the outside tyre through corners.

Living With It

The Quadrifoglio is not a comfortable cruiser in the way a Porsche Macan Turbo or BMW X3 M is. The ride is firm, the engine is vocal, and the steering is more sensitive than any SUV has a right to be. It feels like a sports car that has been forced to grow taller rather than an SUV that has been made faster. The ZF gearbox is sharp in Dynamic mode but can be hesitant in Normal — a software calibration issue that 2020-onwards cars largely resolved. Fuel economy is around 20–22mpg in mixed real-world driving, deteriorating rapidly with enthusiastic use. The boot is a practical 525 litres, and the rear seats fold to extend this. Practicality is genuine, even if the car’s character encourages you to drop the children at school sideways.

Buying

Depreciation has been steep from the Quadrifoglio’s substantial new price, which makes it a compelling used proposition for anyone willing to accept the running costs. A 2020-onwards car with documented main-dealer or specialist service history is the safest buy. Check the turbo wastegate operation at idle, test every electronic system, and inspect the brake discs for scoring. The carbon-ceramic brake option is worth seeking out on a car that will be driven hard. The Quadrifoglio shares its Giorgio platform and Ferrari-derived V6 with the Giulia Quadrifoglio — the saloon offers the same engine in a lighter, sharper package, but the Stelvio adds the raised driving position and all-weather capability that many buyers now consider non-negotiable.