From the Blog

10 Differences Between Canyon and Colorado

gmc canyon at work

GMC Canyon vs Chevy Colorado

Feature/Material2015 Canyon2015 Colorado
Aluminum Interior TrimStandard SLE and AboveNot Available
Soft IP Pad and Door TrimStandard SLE and AboveNot Available
Multi-color Driver Information CenterStandard SLE and AboveNot Available
Autotrac Transfer CaseStandard 4WDNot Available
Signature LED LightingStandardNot Available
All-TerrainAvailableNot Available
Leather-appointed SeatsStandard SLTAvailable
16-inch Aluminum WheelsStandardAvailable
Rear Wheelhouse LinersStandardStandard LT and Above
Projector-beam HeadlampsStandardStandard Z71

The all-new 2015 GMC Canyon will redefine what a midsize pickup can be. Canyon delivers capability and exceptional comfort in an efficient and manageable package.

Canyon delivers capability with a fully boxed frame and features an automatic locking rear differential, AutoTrac on 4WD models and 7000 lb. maximum trailering capacity. It delivers exceptional comfort with a very quiet cabin, automatic climate control and an 8″ color touch screen. The 2015 Canyon also offers a higher level of standard convenience equipment including the CornerStep rear bumper, Duralife brake rotors and rear vision camera.

Back at the beginning of 2014 before the Canyon or Colorado were available GM Inside News had this to say:
Five Differences Between Canyon And Colorado
Canyon no longer a carbon copy Colorado.

1. It looks like a GMC
2. Fancier interior
3. More features
4. Two-speed transfer case
5. There’s an All-Terrain version

Read the entire article at: http://www.gminsidenews.com/forums/f18/five-differences-between-canyon-colorado-148185/

Yahoo! Autos says, “While the Chevy Colorado is tuned primarily for sport, the GMC Canyon represents the industry’s first luxury mid-sized truck.”
https://autos.yahoo.com/blogs/motoramic/driving-the-2015-chevy-colorado-and-gmc-canyon–the-new-middle-ground-191740827.html

KBB.com says, “The Chevrolet Colorado and GMC Canyon use the same engines and transmissions, but there are distinct differences between the two trucks.” The article also states that, “the Colorado and Canyon have come a long way. They are now the best-looking trucks in the compact/midsize segment, and are fun to drive, too.”
http://www.kbb.com/car-news/all-the-latest/2015-chevrolet-colorado-and-gmc-canyon-first-review/2000011203/