What the Custom Trail Boss adds over the Work Truck
Spec
Work Truck
Custom Trail Boss
Curb weight (maximum)
4500 lbs
5010 lbs
Curb weight (minimum)
4410 lbs
5010 lbs
Fuel tank capacity
28.3 gal
24 gal
Ground clearance
7.8 in
10.9 in
Gross vehicle weight rating
6800 lbs
7000 lbs
Front headroom
43.1 in
43 in
MPG (city)
19 mpg
17 mpg
MPG (highway)
22 mpg
18 mpg
Overall height
75.7 in
78.3 in
Overall length
210.9 in
231.9 in
Overall width
81.1 in
81.2 in
Payload capacity
2260 lbs
1960 lbs
Front suspension type
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
LT265/70R17
Wheel material
steel
aluminum
Wheelbase
126.5 in
147.4 in
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
10.9 in
Overall height
78.3 in
Overall length
231.9 in
Overall width
81.2 in
Wheelbase
147.4 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
39.9 in
Legroom
Front legroom
44.5 in
Second-row legroom
35.2 in
Shoulder Room
Front shoulder room
66 in
Second-row shoulder room
64.9 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
LT265/70R17
Transmission
Final drive ratio
3.4
Transmission speeds
8
Transmission type
automatic
Weights
Curb weight (maximum)
5010 lbs
Curb weight (minimum)
5010 lbs
Gross vehicle weight rating
7000 lbs
Payload capacity
1960 lbs
Wheels
Wheel diameter
17 in
Wheel material
aluminum
Wheel width
8 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
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.
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Common questions about the Custom Trail Boss
Source: EPA, NHTSA and manufacturer press kits
What does the 2025 Chevrolet Silverado Custom Trail Boss add over the Work Truck?
Against the Work Truck, 17 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.