GMC Canyon Extended Cab · Prices

Used 2018 GMC Canyon Extended Cab prices

The average asking price for a used 2018 GMC Canyon Extended Cab is $20,175, with 70,878 miles on average, across 5 cars for sale at U.S. dealers as of Nov 15, 2026.

See the 5 for sale

Average asking

$20,175

median $18,995

Average miles

70,878

For sale now

Average days listed

of 3 with a listing date

2018 GMC Canyon Extended Cab prices by state

states with 5+ cars for sale

Too few cars in any one state yet.

Other GMC Canyon Extended Cab years

Year	Average asking	Miles	For sale
2022	$28,723	12,260	3
2021	$19,990	87,288	1
2020	$22,541	60,902	4
2019	$17,448	92,633	2
2018	$20,175	70,878	5
2017	$22,290	64,470	2
2016	$22,470	59,565	10

Used and certified cars for sale at US dealers, each car counted once. Days listed are the dealer’s own days on market where they publish it. Price moves compare the same cars at both ends of the window.