2021 Chevrolet Silverado 1500 LT Trail Boss
The 2021 Chevrolet Silverado 1500 LT Trail Boss is a 285-hp turbocharged with a hydra-matic 6l80 6-speed automatic; hydra-matic 8l90 8-speed automatic; hydra-matic 10l80 10-speed automatic and four-wheel drive.
| Spec | Value |
|---|---|
| Engine | |
| Engine Type | 4.3L V-6 VVT DI with Active Fuel Management (AFM): cast aluminum block and head, OHV 2 valves/cylinder, VVT, direct injection. OR 2.7L I-4 Turbo DOHC VVT DI with AFM and Stop/Start: cast aluminum block and head, DOHC 4 valves/cylinder, tripower valvetrain with CVT, variable valve lift, AFM. OR 5.3L V-8 VVT DI (L82): cast aluminum block and head, OHV 2 valves/cylinder, VVT, direct injection with AFM (standard) or without AFM (L82+YK9, from March 2021). OR 5.3L V-8 VVT DI (L84): cast aluminum block and head, OHV 2 valves/cylinder, VVT, direct injection with Dynamic Fuel Management (DFM, standard) or without DFM (L84+YK9, from March 2021). OR 6.2L V-8 VVT DI with DFM and Stop/Start: cast aluminum block and head, OHV 2 valves/cylinder, VVT. OR 3.0L DOHC I-6 Turbo-Diesel: cast aluminum block and head, DOHC 4 valves/cylinder, common-rail direct injection (36,250 psi / 2500 bar) |
| Horsepower | 285 hp |
| Torque | 305 lb-ft |
| Valvetrain | 4.3L V-6: OHV, 2 valves/cylinder, VVT. 2.7L Turbo I-4: DOHC, 4 valves/cylinder, tripower VVT with variable valve lift. 5.3L V-8 (L82/L84): OHV, 2 valves/cylinder, VVT. 6.2L V-8: OHV, 2 valves/cylinder, VVT. 3.0L diesel I-6: DOHC, 4 valves/cylinder |
| Bore and Stroke | 99.6 x 92 (4.3L V-6) / 92.25 x 102 (2.7L Turbo I-4) / 96 x 92 (5.3L V-8 L82 and L84) / 103.25 x 92 (6.2L V-8) / 84 x 90 (3.0L diesel I-6) |
| Injection Type | Direct high-pressure fuel injection with AFM (4.3L V-6, 5.3L L82); direct injection with AFM (2.7L Turbo); direct injection with DFM (5.3L L84, 6.2L V-8); high-pressure common-rail direct injection (3.0L diesel) |
| Drivetrain | |
| Drive Type | 2WD or 4WD (two-speed transfer case or AutoTrac automatic transfer case, depending on model) |
| Transmission | |
| Transmission | Hydra-Matic 6L80 6-speed automatic (4.3L V-6, 5.3L L82 w/AFM); Hydra-Matic 8L90 8-speed automatic (2.7L Turbo, 5.3L L84 w/DFM); Hydra-Matic 10L80 10-speed automatic (5.3L L84 w/DFM 10-spd, 6.2L V-8, 3.0L diesel) |
| 1st Gear | 4.03 |
| 2nd Gear | 2.36 |
| 3rd Gear | 1.53 |
| 4th Gear | 1.15 |
| 5th Gear | 0.85 |
| 6th Gear | 0.67 |
| Reverse | 3.06 |
| Final Drive | 3.42 |
| Fuel Economy | |
| City | 16 MPG |
| Highway | 21 MPG |
| Recommended Fuel | Regular unleaded (gasoline engines) / Ultra-low sulfur diesel (3.0L diesel) |
| Suspension | |
| Front Suspension | Independent coil-over-shock with twin-tube shock absorbers; Rancho shocks with Z71 package |
| Rear Suspension | Solid axle with semi-elliptic, variable-rate, two-stage multileaf springs (includes composite second-stage springs on LT models); splayed twin-tube shock absorbers; Rancho shocks with Z71 package |
| Brakes | |
| Front Brake Calipers | Four-wheel disc with electro-hydraulic power assist and ABS |
| Front Brake Disc | 13.0 x 1.18 in / 330 x 30 mm vented rotor (Duralife) |
| Rear Brake Disc | 13.6 x 0.79 in / 345 x 20 mm vented rotor (Duralife) |
| Tires & Wheels | |
| Wheels Front | 17 x 8 in. steel (std) / 17 x 8 in. aluminum / 18 x 8.5 in. aluminum / 20 x 9 in. aluminum / 22 x 9 in. aluminum (avail. on High Country) |
| Wheels Rear | 17 x 8 in. steel (std) / 17 x 8 in. aluminum / 18 x 8.5 in. aluminum / 20 x 9 in. aluminum / 22 x 9 in. aluminum (avail. on High Country) |
| Tires Front | P255/70R17 all-season / P265/70R17 all-season / LT265/70R17 all-terrain / P265/65R18 all-season or all-terrain / LT275/65R18 Goodyear Wrangler DuraTrac / P275/60R20 all-season or all-terrain / P275/50R22 all-season |
| Tires Rear | P255/70R17 all-season / P265/70R17 all-season / LT265/70R17 all-terrain / P265/65R18 all-season or all-terrain / LT275/65R18 Goodyear Wrangler DuraTrac / P275/60R20 all-season or all-terrain / P275/50R22 all-season |
| Dimensions & Weight | |
| Length | 229.5 in |
| Width | 81.1 in |
| Height | 75.6 in |
| Wheelbase | 139.5 in |
| Interior | |
| Headroom Front | 43.1 in |
| Headroom Rear | 39.9 in |
| Legroom Front | 44.5 in |
| Legroom Rear | 35.2 in |
| Shoulder Room Front | 66 in |
| Shoulder Room Rear | 64.9 in |
| Hip Room Front | 60.9 in |
| Hip Room Rear | 60.2 in |