Used 2018 GMC Sierra 1500 for Sale in Seattle, WA
Sierra 1500s for Sale at Dealers
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1
2019 GMC Sierra 1500 Denali 4WD • Everett, WA
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$41,717 • 52.1k miles
•••
#1 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $3,258 Price Drop
- Great Price - $4,973 Below Market
- Includes $9,367 Premium Upgrades
More details

2
2019 GMC Sierra 1500 AT4 4WD • Port Orchard, WA
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$43,459 • 61.1k miles
•••
#2 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- Great Price - $4,285 Below Market
- Includes $10,644 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details

3
2020 GMC Sierra 1500 AT4 4WD • Tacoma, WA
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$48,497 • 16.8k miles
•••
#3 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $500 Price Drop
- Great Price - $3,968 Below Market
- Includes $10,700 Premium Upgrades
More details

4
2019 GMC Sierra 1500 SLT 4WD • Ellensburg, WA
Gray • 5.3L V8 Engine
Gray • 5.3L V8 Engine
$35,999 • 74.8k miles
•••
#4 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $2,000 Price Drop
- Great Price - $10,788 Below Market
- Includes $7,871 Premium Upgrades
More details
5
2018 GMC Sierra 1500 SLT RWD • Renton, WA
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$21,000 • 121k miles
•••
#5 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $500 Price Drop
- Great Price - $2,485 Below Market
- Includes $2,040 Premium Upgrades
More details
6
2018 GMC Sierra 1500 SLE 4WD • Everett, WA
5.3L V8 Engine
5.3L V8 Engine
$15,999 • 132.4k miles
•••
#6 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $600 Price Drop
- Great Price - $3,789 Below Market
- Includes $546 Premium Upgrades
More details
7
2018 GMC Sierra 1500 Denali 4WD • Woodinville, WA
White • 6.2L Engine
White • 6.2L Engine
$38,995 • 25k miles
•••
#7 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A+” Buy
- $1,000 Price Drop
- Good Price - $2,323 Below Market
- Includes $8,208 Premium Upgrades
More details
8
2020 GMC Sierra 1500 AT4 4WD • Fife, WA
Black • 6.2L V8 Engine
Black • 6.2L V8 Engine
$50,998 • 29.4k miles
•••
#8 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $987 Below Market
- Includes $11,618 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
9
2020 GMC Sierra 1500 Denali 4WD • Burlington, WA
5.3L V8 Engine
5.3L V8 Engine
$45,950 • 41.6k miles
•••
#9 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $397 Below Market
- Includes $4,533 Premium Upgrades
- CARFAX: Clean Title
More details
10
2019 GMC Elevation 4WD • Ellensburg, WA
Blue • 5.3L V8 Engine
Blue • 5.3L V8 Engine
$34,999 • 51.5k miles
•••
#10 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $394 Below Market
- Includes $2,187 Premium Upgrades
- CARFAX: Clean Title
More details
11
2020 GMC Sierra 1500 SLT 4WD • Olympia, WA
Silver • 5.3L V8 Engine
Silver • 5.3L V8 Engine
$45,703 • 43k miles
•••
#11 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $296 Price Drop
- Fair Price - $239 Above Market
- Includes $11,229 Premium Upgrades
More details
12
2016 GMC Sierra 1500 Denali 4WD • Burlington, WA
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$36,950 • 58.9k miles
•••
#12 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- Fair Price - $255 Above Market
- Includes $3,077 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
13
2019 GMC Sierra 1500 SLT 4WD • Puyallup, WA
Black • 5.3L V8 Engine
Black • 5.3L V8 Engine
$44,697 • 25k miles
•••
#13 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A” Buy
- $290 Price Drop
- Fair Price - $1,300 Above Market
- Includes $8,977 Premium Upgrades
More details
14
2019 GMC Sierra 1500 SLT 4WD • Tacoma, WA
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$32,661 • 94.6k miles
•••
#14 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- $296 Price Drop
- Fair Price - $989 Below Market
- Includes $4,991 Premium Upgrades
More details
15
2018 GMC Sierra 1500 Denali 4WD • Puyallup, WA
Black • 6.2L Engine
Black • 6.2L Engine
$33,487 • 85.3k miles
•••
#15 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $783 Below Market
- Includes $6,384 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
16
2018 GMC Sierra 1500 Denali 4WD • Tacoma, WA
White • 6.2L V8 Engine
White • 6.2L V8 Engine
$31,987 • 102.8k miles
•••
#16 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- $510 Price Drop
- Fair Price - $710 Below Market
- Includes $4,260 Premium Upgrades
More details
17
2016 GMC Sierra 1500 RWD • Lynnwood, WA
White • 4.3L V6 Engine
White • 4.3L V6 Engine
$16,999 • 76k miles
•••
#17 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Good Price - $590 Below Market
- CARFAX: Clean Title
- Motivation to Negotiate - Increasing
More details
18
2018 GMC Sierra 1500 Denali 4WD • Renton, WA
Black • 6.2L Engine
Black • 6.2L Engine
$29,498 • 129k miles
•••
#18 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- $492 Price Drop
- Fair Price - $124 Below Market
- Includes $5,518 Premium Upgrades
More details
19
2018 GMC Sierra 1500 SLT 4WD • North Bend, WA
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$29,850 • 97.8k miles
•••
#19 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $218 Above Market
- Includes $5,945 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
20
2020 GMC Sierra 1500 AT4 4WD • Renton, WA
Gray • 3.0L I6 Engine
Gray • 3.0L I6 Engine
$37,494 • 108.6k miles
•••
#20 2016-2020 GMC Sierra 1500
CoPilot AI: It’s an “A-” Buy
- Fair Price - $482 Above Market
- Includes $2,656 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
21
2020 GMC Sierra 1500 SLT 4WD • Port Angeles, WA
Red • 5.3L V8 Engine
Red • 5.3L V8 Engine
$42,555 • 51.1k miles
•••
#21 2016-2020 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $89 Price Drop
- Great Price - $5,082 Below Market
- Includes $10,878 Premium Upgrades
More details
22
2018 GMC Sierra 1500 Denali 4WD • Puyallup, WA
Silver • 6.2L Engine
Silver • 6.2L Engine
$26,987 • 131.2k miles
•••
#22 2016-2020 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $310 Price Drop
- Great Price - $4,415 Below Market
- Includes $5,475 Premium Upgrades
More details
23
2016 GMC Sierra 1500 SLT 4WD • East Wenatchee, WA
5.3L V8 Engine
5.3L V8 Engine
$25,450 • 116.9k miles
•••
#23 2016-2020 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- Great Price - $3,704 Below Market
- Includes $8,509 Premium Upgrades
- CARFAX: Clean Title, Not a rental or commercial vehicle
More details
24
2018 GMC Sierra 1500 SLT 4WD • Algona, WA
White • 5.3L V8 Engine
White • 5.3L V8 Engine
$19,999 • 163.4k miles
•••
#24 2016-2020 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- $600 Price Drop
- Great Price - $3,154 Below Market
- Includes $4,423 Premium Upgrades
More details
25
2020 GMC Sierra 1500 AT4 4WD • Burlington, WA
Gray • 6.2L V8 Engine
Gray • 6.2L V8 Engine
$44,786 • 51.1k miles
•••
#25 2016-2020 GMC Sierra 1500
CoPilot AI: It’s a “B+” Buy
- Great Price - $3,072 Below Market
- Includes $9,812 Premium Upgrades
- CARFAX: One Owner, Clean Title, Not a rental or commercial vehicle
More details
2018 GMC Sierra 1500
Half-Ton Truck
Seats
3
Fuel Economy
17City MPG
22Hwy MPG
NHTSA Rating Summary
Copilot Rating
Dimensions
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