Atthe heart of Alfa’s performance saloon is a 2.9-litre Ferrari-derived, twin-turbocharged V6 engine. Power has increased from 503bhp in the pre-facelifted Giulia QF to 512bhp in the updated Thisexplains the Giulia's performance; two Ferrari engineers; one for the engine and one for the chassis. That was the beginning, then after hiring 800 people into the project, the Giulia was born. I also found it interesting that the design for the rear diffuser on the QV was 90% the result of wind tunnel testing. LOOKINGTO BUY THIS CAR? LOOKING TO SELL YOUR CAR? Fuel Economy: 22 / 29 mpg. Cargo (Std/Max): 19/57 cu.ft. Seating (Std/Max): 5/5. See All Specs. Pros. Among AlfaRomeo Giulia GTAm Costs Nearly $200,000 In Italy. At the heart of both models is the same twin-turbo, 2.9-liter V6 engine making 505 horsepower and 443 pound-feet (600 Newton-meters) of 510horsepower and 0-60mph in 3.9 seconds. The Quadrifoglio Stelvio, which is named after Stelvio pass in Italy, sports a 510-horsepower Ferrari-inspired 2.9-liter twin-turbo V6, with AlfaRomeo Stelvio Quadrifoglio Specs for Other Model Years. Engine: 2.9L V6 Twin Turbo PDI w/ESS. Transmission: 8-Speed Automatic 8HP75. 3.73 Axle Ratio. GVWR: 5,423 lbs. 50 State Emissions. Andthe Alfa Romeo Stelvio Quadrifoglio model we look at here absolutely has one; a turbocharged 520hp V6 bi-turbo shoe-horned in below its carbon fibre bonnet. This powerplant was designed by former Ferrari engineer - Gianluca Pivetti. And another ex-Ferrari engineer, Philippe Krief, handled the team responsible for trying to make this big TheStelvio Quadrifoglio Might Be the Best-Sounding SUV on Sale Today. Alfa Romeo's track-ready crossover has a Ferrari-derived engine making 505 horsepower. Of course it sounds great. People love 18Dec 2023. 6. After launching its first SUV, the Stelvio, in 2017, and the more compact Tonale in 2022, it was only a matter of time before Alfa Romeo entered the highly competitive and hugely Witheven habitual SUV deniers – Ferrari finally caving into popular demand, Engine choices are pretty simple; there’s a 2.0l petrol in 200bhp & 280bhp guise, and a 2.2l diesel in 190 & 210bhp outputs. All are mated to an 8-speed automatic transmission and the vast majority are 4WD only. The Alfa Romeo Stelvio is available now. vsQr.