GMC Sierra 3500 HD Price in Idaho
As of September 4, 2026, there are 198 GMC Sierra 3500 HD vehicles available at 11 dealerships in Idaho. Idaho dealers are pricing competitively — the average selling price is $3,405 below MSRP, with 99% of inventory at or under sticker. 10 of 11 dealers are currently pricing below MSRP on average. Prices range from $51,463 to $105,435, with a median of $90,345.
These are advertised prices — a negotiated deal (incentives, dealer discounts) often beats them.
198
In Stock
-$3,405
Avg Markup
99.0%
At/Below MSRP
$90,345
Median Price
Price range: $51,463 — $105,435
Dealers in Idaho
| Dealer | Count | Avg Markup | Below MSRP |
|---|---|---|---|
| MOUNTAIN HOME AUTO RANCH Mountain Home, ID | 1 | -$9,001 | 1 |
| ROBIDEAUX MOTORS CO. Coeur D Alene, ID | 13 | -$7,723 | 12 |
| KENDALL CHEVROLET BUICK GMC OF NAMPA Nampa, ID | 44 | -$7,340 | 44 |
| DILLON GMC Boise, ID | 9 | -$7,309 | 8 |
| LIBERTY GMC Rexburg, ID | 13 | -$6,462 | 13 |
| ROB GREEN GMC, LLC Twin Falls, ID | 1 | -$6,000 | 1 |
| HOMETOWN CHEVROLET GMC OF FRUITLAND Fruitland, ID | 8 | -$5,433 | 8 |
| HIRNING BUICK GMC Pocatello, ID | 11 | -$4,023 | 10 |
| LEWISTON CHEVROLET GMC Lewiston, ID | 3 | -$2,000 | 3 |
| ST. ANTHONY MOTORS Saint Anthony, ID | 6 | $0 | 6 |
| DAVE SMITH MOTORS Kellogg, ID | 89 | +$31 | 88 |