2003 GMC Sierra 2500 SLE 4dr Crew Cab SLE

MECHANIC'S SPECIAL — Truck runs and drives well, but needs injectors.

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2003 GMC Sierra 2500HD SLE 4x4 — early Duramax, sought-after and solid

If you’ve been looking for a clean early Duramax to make your own, this one’s a strong starting point. Crew cab, long bed, 4x4, and the LB7 Duramax. Runs and drives straight, shifts clean, and the bones are good. 

This vehicle did not pass Nick’s 100-Mile Road Test standard — it runs and drives, but injector issues were identified during the shakeout drive, which is exactly what this test is meant to catch before a sale.

 • Duramax 6.6L Turbo Diesel V8 (LB7), 5-speed automatic, 4 Wheel Drive

 • Crew Cab, long bed — space for people and materials

 • 239,295 actual miles — starts easy, pulls well, tracks straight

 • SLE trim — Dark Toreador Red Metallic over Dark Pewter

 • Frame and floors are solid for the year

 • Legendary early Duramax reputation for towing and longevity

The Nook Take
We like this platform because it’s simple, stout, and worth fixing right. If you’re handy or have a diesel shop, injector work turns this into a dependable hauler without breaking the bank on a newer setup. Straight truck with good bones.
 

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Includes Nick's 100 Mile Road Test Guarantee — personally tested and ready to roll — no surprises.