2020 Cadillac CT6 Platinum 4.2L Twin-Turbo V-8
The 2020 Cadillac CT6 Platinum 4.2L Twin-Turbo V-8 is a 500-hp 4.2-liter twin-turbocharged with a hydra-matic 10-speed automatic and all-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 4.2L DOHC Twin-Turbocharged V-8, direct injection with automatic stop/start; A319 sand-cast aluminum block with pressed-in iron liners; cast aluminum heads; twin low-inertia twin-scroll turbos with electronically controlled wastegates; water-to-air intercooling; dual electronically controlled 59mm throttle bodies |
| Displacement | 4.2 L |
| Horsepower | 500 hp |
| Torque | 574 lb-ft |
| Valvetrain | DOHC, 4 valves/cylinder; dual-independent variable valve timing |
| Bore and Stroke | 86.0 x 90.2 |
| Compression Ratio | 9.8:1 |
| Injection Type | Direct high-pressure injection; dual 59mm electronic throttle bodies; premium unleaded required |
| Drivetrain | |
| Drive Type | AWD |
| Differential Type | AWD; final drive ratio TBD per source |
| Transmission | |
| Transmission | Hydra-Matic 10-speed automatic |
| 1st Gear | 4.69 |
| 2nd Gear | 2.98 |
| 3rd Gear | 2.14 |
| 4th Gear | 1.77 |
| 5th Gear | 1.52 |
| 6th Gear | 1.27 |
| 7th Gear | 1 |
| 8th Gear | 0.85 |
| 9th Gear | 0.69 |
| 10th Gear | 0.63 |
| Reverse | 4.86 |
| Fuel Economy | |
| City | 14 MPG |
| Highway | 25 MPG |
| Recommended Fuel | Premium unleaded (required) |
| Suspension | |
| Front Suspension | High Arm Multi-Link SLA; Active Chassis Package with Magnetic Ride Control standard |
| Rear Suspension | Independent five-link; Magnetic Ride Control and active rear steering standard |
| Brakes | |
| Front Brake Disc | Four-wheel disc with 4-channel ABS/TCS with DRP; Ferritic Nitro Carburized rotors; Brembo fixed-opposed 4-piston calipers with performance linings; 14.5 x 1.25 in (370 x 32 mm) |
| Rear Brake Disc | Single-piston sliding calipers with performance linings; 13.3 x 0.9 in (339 x 23 mm) |
| Tires & Wheels | |
| Wheels Front | 20-inch aluminum |
| Wheels Rear | 20-inch aluminum |
| Tires Front | 245/40R20 all-season |
| Tires Rear | 245/40R20 all-season |
| Dimensions & Weight | |
| Length | 205.8 in |
| Width | 74 in |
| Height | 58 in |
| Wheelbase | 122.4 in |
| Front Track | 63.4 in |
| Rear Track | 64 in |
| Cargo Volume | 15.8 ft³ |
| Curb Weight | 5,617 lbs |
| Interior | |
| Headroom Front | 40.2 in |
| Headroom Rear | 38 in |
| Legroom Front | 46.4 in |
| Legroom Rear | 40.4 in |
| Shoulder Room Front | 58.3 in |
| Shoulder Room Rear | 56.2 in |
| Hip Room Front | 55.9 in |
| Hip Room Rear | 53.5 in |