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2023 Alfa Romeo Stelvio Quadrifoglio

The 2023 Alfa Romeo Stelvio Quadrifoglio is a 505-hp 2.9-liter twin-turbocharged with a zf 8hp75 8-speed automatic; final drive 3.73:1 and all-wheel drive.

Spec Value
Engine
Engine TypeAll-aluminum 2.9L Twin-Turbo V-6 90°, DOHC, port and direct injection; mechanical cylinder deactivation (right bank)
Displacement2.9 L
Horsepower505 hp
Torque443 lb-ft
ValvetrainChain-driven DOHC, 4 valves/cylinder; continuous intake and exhaust cam phasing
Bore and Stroke86.5 x 82.0
Compression Ratio9.3:1
Injection TypePort fuel injection + side-mounted gasoline direct injection; max 3,600 psi
Drivetrain
Drive TypeAWD (Q4)
Transmission
TransmissionZF 8HP75 8-speed automatic; final drive 3.73:1
1st Gear5
2nd Gear3.2
3rd Gear2.143
4th Gear1.72
5th Gear1.314
6th Gear1
7th Gear0.822
8th Gear0.64
Final Drive3.73
Fuel Economy
City17 MPG
Highway23 MPG
Recommended FuelPremium unleaded, 91 Octane (R+M)/2
Suspension
Front SuspensionDouble wishbone with semi-virtual steering axle; aluminum components
Rear SuspensionAlfa Link design with vertical rod link (patented); aluminum components; Active Damping standard
Brakes
Front Brake Disc14.2 x 1.26 in (360 x 32 mm) vented; Brembo six-piston aluminum-monoblock calipers (standard); optional CCM: 15.4 x 1.3 in (390 x 36 mm) two-piece carbon ceramic, six-piston
Rear Brake Disc13.8 x 1.1 in (350 x 28 mm) vented; Brembo four-piston aluminum-monoblock calipers (standard); optional CCM: 14.2 x 1.1 in (360 x 28 mm) two-piece carbon ceramic, four-piston
Tires & Wheels
Wheels Front20 x 9-in. Dark five-hole aluminum
Wheels Rear20 x 10-in. Dark five-hole aluminum
Tires FrontP255/45R20 Pirelli PZero three-season high-performance
Tires RearP285/40R20 Pirelli PZero three-season high-performance
Dimensions & Weight
Length185.1 in
Width77 in
Height66.3 in
Wheelbase110.9 in
Front Track61.2 in
Rear Track63.3 in
Ground Clearance7.9 in
Cargo Volume18.5 ft³
Curb Weight4,313 lbs
Interior
Headroom Front40.2 in
Headroom Rear38.9 in
Legroom Front36.6 in
Legroom Rear31.9 in
Shoulder Room Front57.5 in
Shoulder Room Rear56 in
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