This 2004 GMC Sierra 2500HD SLT Crew Cab sold for $23,250, and that’s strong money considering its mileage and fair value estimate.

Let's break down what makes this Sierra noteworthy. It's powered by a 6.6-liter Duramax turbodiesel V8, known for its heavy-duty performance and longevity. With a five-speed automatic transmission, it's user-friendly for both work and everyday driving. The one-owner history and meticulous maintenance are big pluses, especially in the used truck market. The striking Silver Birch Metallic paint combined with a Dark Pewter leather interior adds a touch of upscale flair, while practical features like a hard-folding tonneau cover and heated seats elevate its appeal. With 133,000 miles, this truck is a solid option for someone looking for a capable workhorse or a comfy ride for weekend adventures.

Now, let's talk dollars. The bidding was active, with 32 bids driving the price to $23,250. However, the fair value estimate sits at $15,300, suggesting this sale is 52% above what would be considered market-correct. While the high bid reflects strong demand for diesel trucks, especially those in decent condition, this price feels inflated given its mileage and age. Buyers might want to consider whether the added features and single-owner history really warrant such a premium.

The community had some interesting takes, with one user, @sawtooth84, celebrating the win with a simple “Congratulations on your winning bid! I will be reaching out to you shortly via email.” Another commenter highlighted the reliability of these trucks, noting that their similar model with 205,000 miles had never had injector issues. This speaks to the confidence many have in the Duramax engine, but it also raises questions about whether potential buyers are overlooking some of the typical wear and tear that comes with high-mileage trucks.

For anyone hunting a truck like this, keep an eye on service history. Make sure to check the maintenance records, especially for things like the injectors and transmission. High-mileage trucks can have hidden issues that may not show up until after the purchase, so it’s crucial to do your homework. If you can find a similar model with lower mileage or a more reasonable price, you'll be better positioned to score a deal.

See all GMC Sierra HD (GMT800 2000-2007) listings on [Friday's Watchlist](https://fridayswatchlist.com/search?make=GMC&model=Sierra%20HD%20(GMT800%202000-2007)).