GMC Sierra 1500 2018

2018 GMC Sierra 1500 Evolution Z-71 – Extensively Upgraded & Well Maintained

Selling my 2018 GMC Sierra 1500 Z71. This truck has been exceptionally well cared for, with extensive mechanical work and upgrades completed within the past year.
I originally had no intentions of selling this truck. Like my previous truck, which I owned for eight years, I had planned on keeping this one for many more years. However, my plans have changed! We upgraded to a larger Trailer, which has led to the decision to sell.

Mechanical Work & Upgrades:

I’m well aware of the two major known concerns with these GM trucks, the 5.3L engine and transmission. I’ve invested considerable time and money into addressing these areas.

Transmission:
Upgraded transmission
Billet torque converter
Upgraded stator
New clutches Sept. 2025 Still under warranty.

Engine & Performance:
AFM/DFM delete
Cold air intake
Oil catch can
Professional engine and transmission tuning by Davenport Motorsports in Calgary Via Boosted Berta Customs
All three catalytic converters gutted
Borla performance muffler installed not loud.

Suspension & Other Upgrades:
Z71 off-road suspension package
Rancho shocks
Factory skid plates
2-inch leveling kit
New tires
Box cover
Brand new windshield

Interior & Features:
This is a very clean, well-optioned truck with plenty of comfort and convenience features, including
Leather
Power-adjustable pedals
Tilt and telescoping steering wheel
Heated seats
Power rear sliding window with defrost and much more.

Maintenance & Condition
A tremendous amount of work has been completed on this truck over the past year, and everything is fresh. Drives like new. Truck needs nothing!

I have kept records of the work performed and expenses incurred . Please see attached list in photos. I have considerably more invested than my asking price.

This truck has received significant attention and investment, with the intention of keeping it reliable with a lot more power and enjoyable for years to come. This truck has not been abused in any way! I’m a senior citizen and take great pride in my vehicles. I purchased the truck from another gentleman close to my age as well.

Note there is one small dent under tail light on drivers side. Was quoted $165.00 for repair.