2018 GMC SIERRA · COPART · IAAI
2018 GMC Sierra for sale at Copart and IAAI auctions
22 2018 GMC Sierra lots are listed on Copart and IAAI right now, model years 2018 to 2018, with prices from $7,425 to $20,300 on the first page. 8 of the 22 shown have a Buy Now price. 6 have a clean title. 22 are listed as run and drive.
Direct access to Copart, IAAI and Manheim for $100. Not a broker bidding for you: your own login on the three official auction sites, under our Florida dealer license. You see every lot, you place every bid, you keep full control. No dealer license needed, no membership. The $100 is one-time and is credited toward your deposit and your car.
Get your account · $100
2018 GMC Sierra lots at auction

2018 GMC Sierra K1500 SLE
Buy Now $12,500
136,129 mi · Minor Dent/Scratches · Clean title · Orlando South, FL
Copart · sale 2026-10-29

2018 GMC Sierra K1500 SLT
Buy Now $11,500
132,588 mi · Minor Dent/Scratches · Clean title · North Billerica, MA
Copart · sale 2026-11-02

2018 GMC Sierra
Current bid $2,050
163,582 mi · Hail · Clean title · Dallas South, TX
Copart · sale 2026-10-29

2018 GMC Sierra K1500 SLE
Bid open
147,909 mi · Normal Wear · Clean title · Pittsburgh North, PA
Copart · sale 2026-11-05

2018 GMC Sierra K1500
Buy Now $8,100
177,927 mi · Minor Dent/Scratches · Mi Cz · Flint, MI
Copart · sale 2026-11-04

2018 GMC Sierra K2500 Denali
Buy Now $20,300
68,304 mi · Front End · Salvage title · Antelope, CA
Copart · sale 2026-10-29

2018 GMC Sierra 1500 SLT
Buy Now $9,675
119,292 mi · Front End · Salvage title · Jacksonville, FL
IAAI · sale 2026-11-03

2018 GMC Sierra 1500 SLE
Buy Now $7,975
117,385 mi · Side · Salvage title · Taunton, MA
IAAI · sale 2026-11-03

2018 GMC Sierra C1500
Bid open
154,479 mi · Side · Clean title · Harrisburg, PA
Copart · sale 2026-11-03

2018 GMC Sierra K1500
Current bid $450
195,248 mi · Side · Clean title · Hartford Springfield, CT
Copart · sale 2026-10-29

2018 GMC Sierra K1500 Denali
Buy Now $13,500
135,295 mi · Rear End · Sc St · North Charleston, SC
Copart · sale 2026-11-02

2018 GMC Sierra 1500
Buy Now $7,425
165,103 mi · Front End · Salvage title · Wilmington, NC
IAAI · sale 2026-11-03

2018 GMC Sierra K1500 SLE
Current bid $1,600
99,214 mi · Rear End · Sc St · Lumberton, NC
Copart · sale 2026-11-02

2018 GMC Sierra K2500 SLE
Current bid $2,600
341,066 mi · Side · Ar St · Fayetteville, AR
Copart · sale 2026-11-02

2018 GMC Sierra K1500 SLT
Current bid $1,600
257,091 mi · Minor Dent/Scratches · Bill of sale · Nisku, AB
Copart · sale 2026-11-11

2018 GMC Sierra K1500
Bid open
87,882 mi · Rear End · Salvage title · Seaford, DE
Copart · sale 2026-11-03

2018 GMC Sierra K1500
Bid open
84,912 mi · Side · Rebuilt title · Miami South, FL
Copart · sale 2026-11-04

2018 GMC Sierra K1500 SLT
Bid open
93,244 mi · Front End · Salvage title · Peoria, IL
Copart · sale 2026-11-02

2018 GMC Sierra K2500 Denali
Bid open
108,029 mi · Front End · Rebuilt title · North Charleston, SC
Copart · sale 2026-11-02

2018 GMC Sierra K1500 SLT
Bid open
119,495 mi · Side · Ar St · Little Rock, AR
Copart · sale 2026-11-02

2018 GMC Sierra K2500 Denali
Current bid $3,700
295,474 mi · Ao · La St · Shreveport, LA
Copart · sale 2026-10-29

2018 GMC Sierra K1500 SLE
Bid open
129,228 mi · Front End · Salvage title · Mentone, CA
Copart · sale 2026-11-04
How to buy one of these 2018 GMC Sierra lots
- Pay $100 for your own bidder account on Copart, IAAI and Manheim under our Florida dealer license. Issued within 12 hours, usually within minutes.
- Put the deposit on file: 10% of your bid limit, $600 minimum, your $100 included.
- Pre-bid or bid live yourself from our app. Set your maximum from the delivered total, not the hammer price: see Copart fees and IAAI fees.
- When you win, we invoice you, pay the auction within its deadline, reassign the title and coordinate transport to your address or port.
Questions about buying a 2018 GMC Sierra
Can I buy a 2018 GMC Sierra from Copart without a dealer license?
Yes. Public lots need only a government ID in eligible states; for salvage and dealer-only 2018 GMC Sierra lots you need a broker or an account under a licensed dealer. BasicMobile opens your own bidder account under our Florida dealer license for a one-time $100 that is credited to your car.
What does a 2018 GMC Sierra from Copart or IAAI really cost?
The bid plus auction fees (for example a $750 Copart buyer fee on a $5,000 car, a $79 gate fee and a $39–$149 bid fee), our service fee from $200, title work and transport. We confirm the delivered estimate for a specific lot before you bid.
How much deposit do I need to bid on a 2018 GMC Sierra?
10% of your bid limit with a $600 minimum for Copart and IAAI through BasicMobile; your first $100 counts toward it.
Other GMC models
All GMC lots · All makes
Prices, sale dates and photos come from the Copart and IAAI listings and are refreshed about every hour. Bid or Buy Now is not the delivered total: auction fees, our service fee from $200, title work and transport are added. We confirm the final price before you bid.