Model

GMC Sierra

1973–present · 6 generations · 6 markets

GarageScout tracks the GMC Sierra for sale now and its past sales across auctions and dealers. Open a generation below for its variants, prices and cars.

Follow the whole model, or open a generation to follow just that one.

For sale now: 50auctions and dealers
Live auctions: 10
Sold, last 12 months: 225
Sales on record: 614all generations
Markets: 66 generations

Choose

Generations

Each generation opens its own market page, with the variants inside it.

GMC · Sierra · Rounded Line

GMC Sierra (Rounded Line), 1973–1987

For sale now: 7
Cars tracked: 50
Median sold, last 12 months: $34,100

Sierra (Rounded Line)7 for sale

GMC · Sierra · GMT400

GMC Sierra (GMT400), 1988–1998

For sale now: 15
Cars tracked: 234
Median sold, last 12 months: $17,000

Sierra (GMT400)15 for sale

GMC · Sierra · GMT800

GMC Sierra (GMT800), 1999–2006

For sale now: 7
Cars tracked: 249
Median sold, last 12 months: $19,807

Sierra (GMT800)7 for sale

GMC · Sierra · GMT900

GMC Sierra (GMT900), 2007–2013

For sale now: 1
Cars tracked: 61
Median sold, last 12 months: $17,750

Sierra (GMT900)1 for sale

GMC · Sierra · K2XX

GMC Sierra (K2XX), 2014–2018

For sale now: 2
Cars tracked: 35
Median sold, last 12 months: $32,500

Sierra (K2XX)2 for sale

GMC · Sierra · T1XX

GMC Sierra (T1XX), 2019–present

For sale now: 18
Cars tracked: 94
Median sold, last 12 months: $52,225

Sierra (T1XX)18 for sale

Live now

For sale now · 50

Live auction13h 05m 50s left

2005 GMC Sierra 2500HD SLT Duramax

One-owner California history with a 6.6-liter Duramax, five-speed automatic, 4×4 drivetrain, B&W fifth-wheel hitch, Method wheels, Bilstein shocks, and Banks exhaust. Carfax notes prior damage and a rear-end collision, with disclosed paintwork.

Current Bid$14,500

149,000 miautomatic

Long Beach, CA

Live auction2d 14h 11m 50s left

2000 GMC Sierra 1500 SLE With a Century Fiberglass Cap

Minor rear damage reported in 2021 was repaired; original window sticker and maintenance records are included.

Current Bid$7,000

55,280 miautomatic

Dunbarton, NH

Live auction2d 16h 49m 50s left

2020 GMC Sierra 2500HD Denali Duramax

Current ownership since 2022, clean Carfax, and a clean Massachusetts title.

Current Bid$10,000

66,000 miautomatic

Wappingers Falls, NY

Live auction3d 13h 32m 50s left

2024 GMC Sierra 3500HD Denali Duramax Dually

Summit White over Jet Black leather with the Denali Reserve, Technology, Gooseneck/Fifth-Wheel Prep, and Snow Plow Prep/Camper packages. The 6.6-liter Duramax is paired with an Allison 10-speed automatic, and the truck has a clean Carfax, and a clean Montana title.

Current Bid$62,000

17,000 miautomatic

Fairfield, OH

Live auction4d 15h 37m 50s left

2000 GMC Sierra 1500

One-owner Texas history with a clean Carfax, and an Actual Mileage title notation. The 5.3-liter Vortec V8 carries a Magnuson supercharger, aftermarket camshafts, headers, exhaust, catalytic converters, radiator, and tune, with Z71 equipment and American Racing wheels.

Current Bid$7,500

35,000 miautomatic

Dumas, TX

In-person auctionMecum Dallas/Fort Worth Auction

1988 GMC Sierra

Burgundy over Burgundy.

BiddingOpens on the block on Oct 22, 2026

90,917 miautomatic

Fort Worth, TX

In-person auctionMecum Dallas/Fort Worth Auction

1998 GMC Sierra 1500

Equipped with new tires, a bed cover, factory mud flaps, and nerf bars.

BiddingOpens on the block on Oct 22, 2026

109,580 miautomatic

Fort Worth, TX

In-person auctionMecum Dallas/Fort Worth Auction

2017 GMC Sierra 1500 SLE Z71

White over Black.

BiddingOpens on the block on Oct 23, 2026

automatic

Fort Worth, TX

In-person auctionMecum Dallas/Fort Worth Auction

1994 GMC Sierra GT

Red over Tan.

BiddingOpens on the block on Oct 23, 2026

automatic

Fort Worth, TX

In-person auctionMecum Dallas/Fort Worth Auction

1995 GMC Sierra 1500 SLE

Maroon over Maroon.

BiddingOpens on the block on Oct 23, 2026

automatic

Fort Worth, TX

40 more live listings in this market

Showing 10 of 50 verified listings.

History

Recent sales

The latest Sierra results across its generations.

Car	Gearbox	Date · source
1991 GMC Sierra K3500 SLE Dually99,000 mi	automatic	Oct 15, 2026 · Bring a Trailer · automatic
2021 GMC Sierra 1500 Denali47,100 mi	automatic	Oct 14, 2026 · Cars & Bids · automatic
2004 GMC Sierra 2500HD67,000 mi	automatic	Oct 13, 2026 · Bring a Trailer · automatic
2003 GMC Sierra 2500HD SLE 8.157,000 mi	automatic	Oct 7, 2026 · Bring a Trailer · automatic
2003 GMC Sierra 1500 SLE63,000 mi	automatic	Oct 5, 2026 · Bring a Trailer · automatic
2017 GMC Sierra 3500HD Denali74,000 mi	automatic	Oct 5, 2026 · Cars & Bids · automatic
1998 GMC Sierra 1500 SLE100 mi	automatic	Oct 1, 2026 · Hagerty Marketplace · automatic
2002 GMC Sierra 2500HD SLT Duramax175,000 mi	automatic	Sep 29, 2026 · Bring a Trailer · automatic

Confirmed sales, newest first.

Market Intelligence Q&A

Frequently Asked Questions about the GMC Sierra

Answers from GarageScout's own listing and sale records.

How many GMC Sierra cars are for sale right now?

As of October 17, 2026, GarageScout lists 50 GMC Sierra cars for sale across 6 markets, from the auctions and dealers it monitors.

Which GMC Sierra generations does GarageScout track?

GarageScout has a market for 6 generations of the GMC Sierra: Rounded Line (1973–1987, 7 for sale); GMT400 (1988–1998, 15 for sale); GMT800 (1999–2006, 7 for sale); GMT900 (2007–2013, 1 for sale); K2XX (2014–2018, 2 for sale); T1XX (2019–present, 18 for sale). Each generation's market lists its live cars and recorded sales.

How much does a GMC Sierra sell for?

Median sale price over the last 12 months, by generation: Rounded Line, $34,100; GMT400, $17,000; GMT800, $19,807; GMT900, $17,750; K2XX, $32,500; T1XX, $52,225.

Looking for a particular Sierra?

Start a Hunt and we’ll let you know when one comes up for sale.

Generation	Sales	Variant medians
Rounded Line	3	$34,100
GMT400	55	$17,000
GMT800	71	$19,807
GMT900	11	$17,750
K2XX	13	$32,500
T1XX	22	$52,225