Independent coil-over-shock with twin-tube shock absorbers
Independent coil-over-shock with Rancho shock absorbers
Rear suspension type
Solid axle with semi-elliptic, variable-rate, two-stage multileaf springs, splayed twin-tube shock absorbers
Solid axle with semi-elliptic, variable-rate, two-stage multileaf springs, splayed twin-tube Rancho shock absorbers
Tire size
P255/70R17
LT275/65R18
Wheel diameter
17 in
18 in
Wheel material
steel
aluminum
Wheel width
8 in
8.5 in
Wheelbase
126.5 in
157.1 in
Standard here, not on the base trim: Trailer Brake Controller standard on LT trim and above
Specifications
Source: manufacturer press kit
Brakes
Front brake diameter
330 mm
Front brake type
vented disc
Rear brake diameter
345 mm
Rear brake type
vented disc
Dimensions Exterior
Ground clearance
10.7 in
Overall height
78.2 in
Overall length
242.4 in
Overall width
81.2 in
Wheelbase
157.1 in
Engine Basics
Aspiration
twin turbo
Cylinder count
4
Engine displacement
2700 cc
Fuel injection system
gdi mpi
Engine type (full description)
2.7L Turbo DOHC VVT DI with Active Fuel Management
Valve configuration
Dual-overhead camshafts, four-valves per cylinder
Engine Output
Horsepower
310 hp
Torque
430 lb-ft
Fuel Economy
MPG (city)
17 mpg
MPG (highway)
18 mpg
Fuel System
Fuel tank capacity
24 gal
Headroom
Front headroom
43 in
Second-row headroom
40.1 in
Legroom
Front legroom
44.5 in
Second-row legroom
43.4 in
Shoulder Room
Front shoulder room
66 in
Second-row shoulder room
65.1 in
Steering
Steering type
Electric power-assisted rack-and-pinion
Suspension
Front suspension type
Independent coil-over-shock with Rancho shock absorbers
Rear suspension type
Solid axle with semi-elliptic, variable-rate, two-stage multileaf springs, splayed twin-tube Rancho shock absorbers
Tires
Tire size
LT275/65R18
Transmission
Final drive ratio
3.4
Transmission speeds
8
Transmission type
automatic
Weights
Curb weight (maximum)
5450 lbs
Curb weight (minimum)
5130 lbs
Gross vehicle weight rating
7000 lbs
Wheels
Wheel diameter
18 in
Wheel material
aluminum
Wheel width
8.5 in
Standard & optional equipment
Source: manufacturer press kit
Safety4 std · 0 opt
Downhill Brake Control
Electronic Stability Control
Four-wheel disc with electro-hydraulic power assist and ABS
Vented front and rear DuralifeTM brake rotors
Chassis1 std · 0 opt
Electric power-assisted rack-and-pinion steering
Cargo1 std · 0 opt
Trailer Brake Controller standard on LT trim and above
Ranked by what shoppers ask about first; standard equipment before options.
Transcribed from the manufacturer's official press kit for the 2025 Silverado. Confirm with the window sticker for a specific unit.
The cheapest ownership win
Insurers price the 2025 Silverado very differently, and the gap between the best and worst quote on the same car and driver is usually larger than any option you are weighing on this page.
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Common questions about the LT Trail Boss
Source: EPA, NHTSA and manufacturer press kits
What does the 2025 Chevrolet Silverado LT Trail Boss add over the Work Truck?
Against the Work Truck, 1 feature becomes standard that the Work Truck does not and 18 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.