Stelvio Quadrifoglio

The Alfa Romeo Stelvio Quadrifoglio is Alfa Romeo's high-performance luxury SUV introduced for 2018, featuring a Ferrari-derived twin-turbocharged 2.9-liter V6 engine (developed with Ferrari input, though built by Alfa Romeo) producing 505 horsepower at 6,500 rpm and 443 lb-ft of torque from 2,500 rpm. Power is delivered through an 8-speed automatic transmission to an active all-wheel-drive system with rear-biased torque distribution and torque vectoring, featuring an active front differential and mechanical limited-slip rear differential. The Quadrifoglio badge (four-leaf clover) denotes Alfa Romeo's highest performance variants.

The Stelvio Quadrifoglio achieves 0-60 mph in 3.6 seconds with a top speed of 176 mph, making it the fastest production SUV when introduced and earning a 7:51.7 Nürburgring lap time, the fastest SUV lap at the time. Weighing approximately 4,200 pounds, the Stelvio QV features extensive performance equipment including adaptive suspension with cylinder deactivation for improved efficiency, carbon-ceramic brakes as optional (6-piston front calipers with 15.75-inch rotors), Integrated Brake System with aluminum calipers as standard, 21-inch wheels with Pirelli P Zero tires, carbon fiber driveshaft, and aggressive styling with functional aerodynamic elements. The chassis utilizes lightweight materials including carbon fiber hood and aluminum suspension components. The Stelvio Quadrifoglio offers Italian exotic character and supercar-level performance in a practical SUV package, combining Alfa Romeo's racing heritage and driving dynamics with modern SUV versatility. The combination of Ferrari-influenced V6 power, sophisticated all-wheel-drive dynamics, and genuine track capability makes the Stelvio QV one of the most dynamically capable and emotionally engaging performance SUVs available, though reliability and dealer network concerns have affected market acceptance compared to German competitors.