# GMC Sierra (T1XX) Market Intelligence

> Live inventory, active auctions, and real-time pricing analysis for the GMC Sierra (T1XX).

### Overview
- **Make:** GMC
- **Model:** Sierra
- **Generation:** T1XX
- **Production Years:** 2019+
- **Canonical Market URL:** https://www.garagescout.ai/markets/gmc/sierra/t1xx
- **Data as of:** October 19, 2026 (latest listing update or sale; 2026-10-19T05:41:33.516Z)
- **Source Coverage:** Curated across Bring a Trailer, PCARMARKET, Cars & Bids, and vetted specialist dealers.

## Trailing 12-Month (TTM) Market Performance
- **Active Live Inventory:** 20 verified cars available
- **Active Live Auctions:** 2 live auctions with open bidding
- **12-Month Confirmed Benchmark Sales:** 23 completed transactions
- **12-Month Median Sold Price (all variants):** $54,000
- **Current Live Asking Price Range:** $36,922 – $93,728
- **Current Live Asking Median:** $61,855

## Active Live Auctions
- **2020 GMC Sierra 2500HD Denali Duramax** | Current Bid: $10,500 | Venue: Bring a Trailer | Location: Wappingers Falls, New York 12590 | [View Auction](https://www.garagescout.ai/listings/2020-gmc-sierra-2500hd-denali-duramax-ef57285d)
- **2024 GMC Sierra 3500HD Denali Duramax Dually** | Current Bid: $62,000 | Venue: Bring a Trailer | Location: Fairfield, Ohio 45014 | [View Auction](https://www.garagescout.ai/listings/2024-gmc-sierra-3500hd-denali-duramax-dually-045b7742)

## Verified Live Inventory
- **2020 GMC Sierra 2500HD Denali Duramax** (2020) | Asking: $10,500 | 66,000 mi | automatic | Venue: Bring a Trailer | Location: Wappingers Falls, New York 12590 | [View Listing](https://www.garagescout.ai/listings/2020-gmc-sierra-2500hd-denali-duramax-ef57285d)
- **2024 GMC Sierra 3500HD Denali Duramax Dually** (2024) | Asking: $62,000 | 17,000 mi | automatic | Venue: Bring a Trailer | Location: Fairfield, Ohio 45014 | [View Listing](https://www.garagescout.ai/listings/2024-gmc-sierra-3500hd-denali-duramax-dually-045b7742)
- **2022 GMC Sierra 2500 Pro** (2022) | Asking: $36,922 | 63,953 mi | automatic | Venue: Hemmings Classifieds | Location: Ocoee, Florida | [View Listing](https://www.garagescout.ai/listings/2022-gmc-sierra-2500-pro-0ebc03f7)
- **2023 GMC Sierra 1500** (2023) | Asking: $39,263 | 52,277 mi | automatic | Venue: Hemmings Classifieds | Location: Sioux Falls, South Dakota | [View Listing](https://www.garagescout.ai/listings/2023-gmc-sierra-1500-94034f07)
- **2023 GMC Sierra** (2023) | Asking: $43,491 | 85,524 mi | automatic | Venue: Dealer inventory | Location: Lakewood, CO 80215 | [View Listing](https://www.garagescout.ai/listings/2023-gmc-sierra-f08a17cd)
- **2023 GMC Sierra 1500** (2023) | Asking: $44,939 | 39,310 mi | automatic | Venue: Hemmings Classifieds | Location: Sioux Falls, South Dakota | [View Listing](https://www.garagescout.ai/listings/2023-gmc-sierra-1500-6983bb74)
- **2023 GMC Sierra 1500 AT4** (2023) | Asking: $46,671 | 25,892 mi | automatic | Venue: Dealer inventory | Location: Las Vegas NV | [View Listing](https://www.garagescout.ai/listings/2023-gmc-sierra-1500-at4-27b7d86e)
- **2024 GMC Sierra 1500** (2024) | Asking: $46,900 | 54,156 mi | automatic | Venue: Hemmings Classifieds | Location: Grand Rapids, Michigan | [View Listing](https://www.garagescout.ai/listings/2024-gmc-sierra-1500-86572ba4)
- **2022 GMC Sierra 1500 Limited Denali** (2022) | Asking: $47,900 | 29,504 mi | automatic | Venue: Dealer inventory | Location: Norwood, MA | [View Listing](https://www.garagescout.ai/listings/2022-gmc-sierra-1500-limited-denali-9ee9b605)
- **2021 GMC Sierra 2500HD Denali** (2021) | Asking: $57,899 | 82,227 mi | automatic | Venue: Dealer inventory | Location: Scottsdale, Arizona | [View Listing](https://www.garagescout.ai/listings/2021-gmc-sierra-2500hd-denali-ae80edab)

## Sales Ledger Preview
Showing the 5 most recent of 26 recorded sales (last 12 months).

| Date | Vehicle / Spec | Gearbox | Mileage | Sold Price | Marketplace |
|---|---|---|---|---|---|
| Oct 14, 2026 | Variant not identified | Automatic | 47,100 mi | $32,500 | Cars & Bids |
| Sep 12, 2026 | Variant not identified | Automatic | 31,202 mi | $59,689 | Dealer inventory |
| Aug 27, 2026 | Variant not identified | Automatic | 8,638 mi | $47,900 | Dealer inventory |
| Aug 25, 2026 | Variant not identified | Automatic | 15,000 mi | $54,000 | Bring a Trailer |
| Aug 19, 2026 | Variant not identified | Automatic | 20,945 mi | $82,999 | Dealer inventory |

## Market Memory (Last 12 Months)
- **Benchmark Sales:** 23 completed transactions (3 non-factory builds excluded)
- **Earlier Sales on Record:** 21 since 2023
- **Interquartile Range (Middle 50%):** $32,750 – $79,000
- **Compound Annual Growth Rate (CAGR):** -35.7% (from the median of the first 3 sales)

| Calendar Year | Completed Sales | Median Price |
|---|---|---|
| 2025 | 5 | $82,500 |
| 2026 | 21 | $54,000 |

## Frequently Asked Questions

### What is the current market price of a GMC Sierra (T1XX)?

Based on 23 benchmark sales recorded over the trailing 12 months on GarageScout, the median sale price for the GMC Sierra (T1XX), across all variants, is $54,000. Current verified live asking prices range from $36,922 to $93,728 (median asking price: $61,855).

### How many GMC Sierra (T1XX) examples are currently for sale?

As of October 19, 2026, there are 20 verified GMC Sierra (T1XX) examples listed for sale across vetted specialist dealers and auctions on GarageScout, including 2 active live auctions with open bidding.

### How many GMC Sierra (T1XX) cars sold in the last 12 months?

GarageScout recorded 23 sales of the GMC Sierra (T1XX) in the trailing 12 months, counting confirmed sales only. Restomods, gearbox conversions and sales priced like deposits or placeholders are left out.

### What does a GMC Sierra (T1XX) sell for by model year?

Median sale prices over the trailing 12 months on GarageScout, across all variants, for model years with 3 or more sales: 2019 $27,500 (3 sales); 2020 $39,250 (4 sales); 2021 $32,500 (5 sales); 2024 $79,000 (4 sales); 2025 $102,000 (3 sales).

### Where do GMC Sierra (T1XX) cars sell?

Of the 23 sales GarageScout recorded in the trailing 12 months, 11 on Bring a Trailer, 5 on Mecum, 4 on Barrett-Jackson and 3 on Cars & Bids.

### Where does GarageScout's GMC Sierra (T1XX) market data come from?

GarageScout's GMC Sierra (T1XX) figures come from the listings and sales it has recorded on Bring a Trailer, Mecum, Barrett-Jackson, Cars & Bids, Hemmings Classifieds and dealer inventories. Repeat sales of one car matched by VIN count once, and a median sale price is stated only where 3 or more sales in the trailing 12 months back it.

## Related Markets

- **Generations:** [GMT400](https://www.garagescout.ai/markets/gmc/sierra/gmt400), [GMT800](https://www.garagescout.ai/markets/gmc/sierra/gmt800), [GMT900](https://www.garagescout.ai/markets/gmc/sierra/gmt900), [K2XX](https://www.garagescout.ai/markets/gmc/sierra/k2xx), [Rounded Line](https://www.garagescout.ai/markets/gmc/sierra/rounded-line)
- **Model:** [All GMC Sierra markets](https://www.garagescout.ai/markets/gmc/sierra)
- **Make:** [All GMC markets](https://www.garagescout.ai/markets/gmc)

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*Data synthesized by GarageScout Market Intelligence. Preserving vehicle market memory across enthusiast auctions, specialist dealers, and private sales.*