On this page you'll find the exact dimensions for the GMC Canyon Extended Cab Base generation 2, made from 2015 and currently still being produced. Below we'll list the dimensions for this pickup from verified sources. First, let's make sure you have the right dimensions in front of you:

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Dimensions in tables

Canyon truck bed dimensions (Extended Cab)

Truck bed dimensions	Long Box (6'2")
Volume (cu. ft.)	49.9
Length at floor	74
Inside height	20.9
Width at wheelhouse	44.4
Maximum width at floor	57.8

Wheelbase of the Canyon:

Wheelbase	Length (inch)
Long Box (6'2")	128.3

Exterior dimensions of the Canyon Extended Cab:

Dimension	4x2	4x4
Length - Long Box (6'2")	212.7	212.7
Height - Long Box (6'2")	70.4	70.3

Exterior width of the Extended Cab:

Exterior width	4x2	4x4
Width - Long Box (6'2")	74.3	74.3

Extended Cab miscellaneous dimensions

Miscellaneous dimensions	4x2	4x4
Overhang - Front	62.4	62.4
Overhang - Rear	62.4	62.4
Min. running ground clearance - Long Box (6'2")	8.4	8.3
Ground to top of load floor - Long Box (6'2")	34.2	34

Interior dimensions

1st row dimensions	Extended Cab
Head room	41.4
Shoulder room	57.5
Hip room	55
Leg room	45
2nd row dimensions	Extended Cab
Head room	36.7
Shoulder room	57.3
Hip room	52.2
Leg room	28.6

Turning circle of the Canyon:

Turning circle:	Kerb-to-kerb	Wall-to-wall
Long Box (6'2")	41.3