GMC
GMC Canyon Bed Sizes & Dimensions
Inside bed length, width between the wheel wells and depth for the GMC Canyon, 2015 to today — plus which camper shells and tonneau covers swap between years. The current truck comes with 5'2" beds.
2023–present Canyon
Verified 2026| Bed | Cabs | Length at floor | Max width | Between wheel wells | Depth | Volume |
|---|---|---|---|---|---|---|
| Short Box 5'2" nominal |
Crew Cab | 61.7″ | 58.2″ | 45.5″ | — | 41.9 ft³ |
Camper shell & cover swaps
Same bed box as:
A shell from one of these trucks with the same bed length should sit on the rails, but cab height, back-window angle, tailgate type and rail caps can still stop it from fitting. Confirm with the shell maker before you buy.
- Crew Cab / short box only in this generation.
- Bed length matches the 2015–2022 short box, but the bed sides and rails changed — confirm with the shell maker before swapping.
2015–2022 Canyon
Spot-check| Bed | Cabs | Length at floor | Max width | Between wheel wells | Depth | Volume |
|---|---|---|---|---|---|---|
| Short Box 5'2" nominal |
Crew Cab | 61.7″ | 57.8″ | 44.4″ | 19.1″ | 41.3 ft³ |
| Long Box 6'2" nominal |
Extended Cab, Crew Cab | 74″ | 57.8″ | 44.4″ | 19.1″ | 49.9 ft³ |
Camper shell & cover swaps
Same bed box as:
A shell from one of these trucks with the same bed length should sit on the rails, but cab height, back-window angle, tailgate type and rail caps can still stop it from fitting. Confirm with the shell maker before you buy.
Owner fit reports
Add yoursSwapped a shell, fit a tonneau, or measured your bed? Tell other owners what worked. Approved reports appear here.