# GMC Sierra (GMT900) Market Intelligence

> Live inventory, active auctions, and real-time pricing analysis for the GMC Sierra (GMT900).

### Overview
- **Make:** GMC
- **Model:** Sierra
- **Generation:** GMT900
- **Production Years:** 2007–2013
- **Canonical Market URL:** https://www.garagescout.ai/markets/gmc/sierra/gmt900
- **Data as of:** October 14, 2026 (latest listing update or sale; 2026-10-14T19:45:12.470Z)
- **Source Coverage:** Curated across Bring a Trailer, PCARMARKET, Cars & Bids, and vetted specialist dealers.

## Trailing 12-Month (TTM) Market Performance
- **Active Live Inventory:** 1 verified car available
- **Active Live Auctions:** 0 live auctions with open bidding
- **12-Month Confirmed Benchmark Sales:** 11 completed transactions
- **12-Month Median Sold Price (all variants):** $17,750
- **Current Live Asking Price Range:** $42,888 – $42,888
- **Current Live Asking Median:** $42,888

## Verified Live Inventory
- **2007 GMC Sierra Pick Up** (2007) | Asking: $42,888 | Mileage N/A | automatic | Venue: Hemmings Classifieds | Location: Addison, Illinois | [View Listing](https://www.garagescout.ai/listings/2007-gmc-sierra-pick-up-eeb00958)

## Sales Ledger Preview
Showing the 5 most recent of 11 recorded sales (last 12 months).

| Date | Vehicle / Spec | Gearbox | Mileage | Sold Price | Marketplace |
|---|---|---|---|---|---|
| Sep 10, 2026 | Variant not identified | Automatic | 110,000 mi | $16,000 | Bring a Trailer |
| Jul 25, 2026 | Variant not identified | Automatic | 46,782 mi | $26,400 | Mecum |
| Jul 16, 2026 | Variant not identified | Automatic | 42,100 mi | $17,750 | Cars & Bids |
| Jun 5, 2026 | Variant not identified | Automatic | 223,567 mi | $9,900 | Mecum |
| Apr 28, 2026 | Variant not identified | Automatic | 78,000 mi | $37,500 | Bring a Trailer |

## Market Memory (Last 12 Months)
- **Benchmark Sales:** 11 completed transactions
- **Earlier Sales on Record:** 32 since 2023
- **Interquartile Range (Middle 50%):** $13,750 – $26,950
- **Compound Annual Growth Rate (CAGR):** +40.8% (from the median of the first 3 sales)

| Calendar Year | Completed Sales | Median Price |
|---|---|---|
| 2025 | 2 | — |
| 2026 | 9 | $21,250 |

## Frequently Asked Questions

### What is the current market price of a GMC Sierra (GMT900)?

Based on 11 benchmark sales recorded over the trailing 12 months on GarageScout, the median sale price for the GMC Sierra (GMT900), across all variants, is $17,750. The one verified live listing is asking $42,888.

### How many GMC Sierra (GMT900) examples are currently for sale?

As of October 14, 2026, there are 1 verified GMC Sierra (GMT900) example listed for sale across vetted specialist dealers and auctions on GarageScout.

### How many GMC Sierra (GMT900) cars sold in the last 12 months?

GarageScout recorded 11 sales of the GMC Sierra (GMT900) 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 (GMT900) 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: 2007 $23,825 (4 sales); 2013 $16,025 (6 sales).

### Where do GMC Sierra (GMT900) cars sell?

Of the 11 sales GarageScout recorded in the trailing 12 months, 6 on Mecum, 3 on Bring a Trailer and 2 on Cars & Bids.

### Where does GarageScout's GMC Sierra (GMT900) market data come from?

GarageScout's GMC Sierra (GMT900) figures come from the listings and sales it has recorded on Bring a Trailer, Mecum, Barrett-Jackson, Cars & Bids and Hemmings Classifieds. 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), [K2XX](https://www.garagescout.ai/markets/gmc/sierra/k2xx), [Rounded Line](https://www.garagescout.ai/markets/gmc/sierra/rounded-line), [T1XX](https://www.garagescout.ai/markets/gmc/sierra/t1xx)
- **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.*