Collectible Motorcar of Atlanta
1750 Enterprise Way Suite 109
Marietta, GA 30067
"2005 GMC Sierra 2500HD - 6.6L LLY Duramax - PPEI Tuned - 5"" Exhaust - H2 Wheels - Loaded With Maintenance & Upgrades
This 2005 GMC Sierra 2500HD is a clean, well-sorted Duramax-powered truck with the highly desirable 6.6L LLY diesel, a strong list of tasteful upgrades, and extensive recent maintenance throughout. Finished with a tough, factory-style look and sitting on OEM H2 takeoff wheels wrapped in Cooper Discoverer AT3 XLT tires, this 2500HD has the stance, sound, and drivability diesel truck buyers are looking for.
The truck has been upgraded with PPEI 5-level tuning, a transmission tune, an Edge Insight digital gauge monitor for tune switching and monitoring, a 5-inch straight-pipe exhaust with cat delete, PCV reroute kit, upgraded larger turbo inlet, and a PPE high-capacity transmission filter. It has also been checked for common Duramax concerns, including no blow-by present during the oil cap test and a soft upper coolant hose after sitting overnight.
Exterior
The exterior presents with a clean, sharp appearance and has benefited from a recent paint correction and sealant application. The truck has a freshened look thanks to new headlight housings, new taillight housings, new fog light housings, LED lighting upgrades, and rear wheel liners.
Exterior highlights include:
New headlight housings
New taillight housings
New fog light housings
LED front bulbs, running lights, and turn signals
LED license plate lights
Center-mount third brake light
Rear wheel liners
Tailgate assist shock
Tailgate upper molding trim
Tri-fold hard bed cover
Paint correction and sealant recently applied
Wheels & Stance
This 2500HD has the right heavy-duty truck look without being overdone. It sits on OEM takeoff H2 wheels that present extremely well and are wrapped in Cooper Discoverer AT3 XLT tires sized 285/75R17. The combination gives the truck a clean, aggressive stance while maintaining excellent daily drivability.
OEM H2 takeoff wheels
Cooper Discoverer AT3 XLT tires
285/75R17 sizing
Bilstein 5100 shocks
Upgraded sway bar end links
Steering stabilizer shock
Interior
Inside, the truck has been cleaned and refreshed with a full interior shampoo and carpet extraction. It has also been upgraded with modern usability thanks to an 8-inch Apple CarPlay head unit and an Edge Insight digital gauge monitor, allowing the driver to keep an eye on key engine and transmission data.
Interior and convenience highlights include:
8-inch Apple CarPlay head unit
Edge Insight digital gauge monitor
Tune switching capability
Replaced cluster bulbs
LED interior front door lights
Full interior shampoo
Carpet extraction completed
Engine & Drivetrain
Power comes from the 6.6L LLY Duramax diesel, paired with PPEI 5-level tuning and a transmission tune. The truck features a 5-inch straight-pipe exhaust with cat delete, PCV reroute kit, and upgraded larger turbo inlet, giving it better airflow, strong throttle response, and the unmistakable sound of a tuned Duramax.
Important maintenance and drivetrain work includes:
Water pump replaced
Both thermostats replaced
Resealed oil cooler
Rear differential fluid serviced
Rear input shaft seal replaced
Front differential fluid serviced
Transfer case fluid serviced
Transfer case output shaft seal replaced
Driver axle replaced
PPE high-capacity transmission filter
Upgraded larger turbo inlet
PCV reroute kit
No blow-by with oil cap test
Soft upper coolant hose after sitting overnight
Steering, Suspension & Brakes
A major strength of this truck is the amount of front-end, steering, suspension, and brake work already completed. These GMT800 HD trucks are known for front-end wear, and this example has received several important upgrades to help tighten up the driving feel.
Recent steering, suspension, and brake work includes:
Heavy-duty aftermarket steering box, PSC-style replica
MOOG HD pitman arm
Upper and lower steering shaft
Wolff upgraded steering shaft bearing
Bilstein 5100 shocks
Upgraded sway bar end links
Steering stabilizer shock
Front and rear rotors and pads replaced with AC Delco Gold components
The Drive
This 2500HD has the feel buyers want from a properly set up LLY Duramax: strong power, a great exhaust note, modern monitoring, and the confidence of extensive recent maintenance. The PPEI tuning and transmission tune give the truck adjustable performance, while the Edge Insight keeps vital data right in front of the driver. The steering and suspension work also make a noticeable difference in how solid and planted the truck feels on the road.
With its Duramax power, tasteful upgrades, clean stance, fresh lighting, H2 wheels, Cooper tires, and long list of recent service items, this 2005 GMC Sierra 2500HD is a strong example of a well-maintained and well-upgraded diesel truck that is ready to be driven and enjoyed.
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| Year: | 2005 |
| Make: | GMC |
| Model: | Sierra |
| Mileage: | 254465 |
| Exterior Color: | White |
| Interior Color: | Tan |
| Trim: | 2500 Heavy Duty |
| Body: | pickup_truck |
| Stock: | 1339C |
| Engine Size: | |
| Transmission: | 4 Speed Automatic |
| Vin: | 1GTHK23255F859885 |
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