2021 Chevrolet Suburban Z71
The 2021 Chevrolet Suburban Z71 is a 355-hp turbocharged with a hydra-matic 10l80 10-speed automatic and four-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 5.3L V-8 VVT DI with Dynamic Fuel Management and stop/start (std); 6.2L V-8 VVT DI with Dynamic Fuel Management and stop/start (opt); 3.0L DOHC I-6 Duramax Turbo-Diesel (opt, late availability); all cast aluminum block and heads |
| Horsepower | 355 hp @ 5,600 rpm |
| Torque | 383 lb-ft @ 4100 rpm (5.3L SAE) / 460 lb-ft @ 4100 rpm (6.2L SAE) / 460 lb-ft @ 1500 rpm (3.0L diesel GM est.) rpm |
| Valvetrain | OHV, 2 valves/cyl, VVT with Dynamic Fuel Management (5.3L and 6.2L); DOHC, 4 valves/cyl (3.0L diesel) |
| Bore and Stroke | 96.0 x 92.0 (5.3L) / 103.25 x 92.0 (6.2L) / 84.0 x 90.0 (3.0L diesel) |
| Injection Type | Direct high-pressure injection with Dynamic Fuel Management (5.3L / 6.2L); common-rail direct injection 36,250 psi / 2,500 bar (3.0L diesel) |
| Drivetrain | |
| Drive Type | 2WD (std) / 4WD (avail) |
| Transmission | |
| Transmission | Hydra-Matic 10L80 10-speed automatic (all engines) |
| 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 |
| Final Drive | 3.23 |
| Fuel Economy | |
| City | 15 MPG |
| Highway | 20 MPG |
| Recommended Fuel | Regular unleaded (5.3L); Premium recommended (6.2L); Ultra-low-sulfur diesel (3.0L) |
| Suspension | |
| Front Suspension | Independent coil-over-shocks with stabilizer bar (Z71 package); four-corner Air Ride with Magnetic Ride Control available |
| Rear Suspension | Independent multi-link with coil-over shocks and stabilizer bar (Z71 package); four-corner Air Ride with Magnetic Ride Control available |
| Brakes | |
| Front Brake Disc | 13.5 x 1.2 in vented disc (ABS) |
| Rear Brake Disc | 13.6 x 1.0 in vented disc (ABS) |
| Tires & Wheels | |
| Wheels Front | 20-in. aluminum (std) |
| Wheels Rear | 20-in. aluminum (std) |
| Tires Front | P275/55R20 all-season |
| Tires Rear | P275/55R20 all-season |
| Dimensions & Weight | |
| Length | 225.7 in |
| Width | 81.1 in |
| Height | 75.7 in |
| Wheelbase | 134.1 in |
| Front Track | 68.5 in |
| Rear Track | 68.3 in |
| Ground Clearance | 8 in |
| Approach Angle | 31.5° |
| Departure Angle | 20° |
| Cargo Volume | 41.5 ft³ |
| Curb Weight | 5,616 lbs |
| Interior | |
| Headroom Front | 42.3 in |
| Headroom Rear | 38.9 in |
| Legroom Front | 44.5 in |
| Legroom Rear | 42 in |
| Shoulder Room Front | 66 in |
| Shoulder Room Rear | 64.8 in |
| Hip Room Front | 61.5 in |
| Hip Room Rear | 61.3 in |