2021 GMC SIERRA 1500 CREW CAB

If you're searching for a 2021 GMC Sierra 1500 AT4 for sale in Yakima, WA, this is a truck worth your serious attention. Own A Car Yakima has a stunning Red 2021 GMC Sierra 1500 Crew Cab AT4 in stock right now — loaded with the legendary 6.2L EcoTec3 V8, true 4WD capability, and just 39,576 miles on the clock. Whether you're hauling gear through the Cascades or cruising through the Yakima Valley, this truck is built to do it all in style.

About This 2021 GMC Sierra 1500 AT4

At under 40,000 miles, this 2021 Sierra 1500 AT4 sits in a sweet spot for used truck buyers — past the initial depreciation curve but still well within the prime years of its mechanical life. The bold Red exterior turns heads on and off the road, and the AT4 trim means this isn't just a pretty truck. It was built from the factory for buyers who actually use their trucks. With a Crew Cab body and a 5 3/4-foot bed, you get the best of both worlds: room for five adults comfortably and a practical bed length for real work loads. Stock #8902 is ready to go — come see it at Own A Car Yakima today.

2021 GMC Sierra 1500 AT4 Performance and Engine

The 6.2L EcoTec3 V8 — The Engine Enthusiasts Want

This truck is equipped with GMC's most powerful Sierra 1500 engine option: the 6.2-liter EcoTec3 V8 with Dynamic Fuel Management (DFM). This engine produces 420 horsepower and 460 lb-ft of torque, making it one of the most capable half-ton powerplants on the market. DFM takes efficiency seriously — it can seamlessly transition between 2 and 8 cylinders depending on demand, so you're not burning more fuel than the job requires.

Paired with a smooth-shifting 10-speed automatic transmission with overdrive, power delivery is responsive and confident whether you're merging onto I-82 with a loaded trailer or navigating winding mountain roads east of the Cascades. The 4WD drivetrain adds another layer of versatility, giving you the confidence to venture off-pavement and handle Washington's varied terrain — from muddy harvest roads in the Yakima Valley to snowy mountain passes in winter.

AT4 Off-Road Capability

The AT4 trim goes beyond standard 4WD. From the factory, it includes a 2-inch lift, Rancho monotube shocks, a locking rear differential, and underbody skid plates. This is a truck designed to leave the pavement behind when the job or the adventure demands it.

GMC Sierra AT4 Features and Interior

A Crew Cab Built for Real People

The Sierra 1500 AT4's Crew Cab configuration gives rear passengers genuine legroom — not the token space you get in an extended cab. Whether you're carrying workers to a job site or the family to a weekend getaway along the Yakima River, everyone rides comfortably. The AT4 interior comes loaded with premium materials and tech, including leather-appointed seating, heated front seats, a large infotainment touchscreen with Apple CarPlay and Android Auto compatibility, a premium audio system, and GMC's MultiPro tailgate — one of the most innovative truck bed access systems available in the segment.

Driver assist features typically included on the AT4 trim round out the package, offering a safer, less fatiguing driving experience on long hauls. The combination of off-road credentials and genuine interior comfort is what separates the AT4 from more utilitarian truck builds.

GMC Sierra 1500 Reliability and Ownership

The fifth-generation Sierra 1500 (2019–current) has earned a strong reputation among truck owners and automotive reviewers alike. The 6.2L V8 in particular is considered one of the most robust and well-engineered engines in the half-ton segment, with a long track record of high-mileage durability when properly maintained. Owners consistently report satisfaction with the powertrain's longevity and the overall build quality of the truck's frame and body.

At 39,576 miles, this Sierra is well within the range where most owners experience zero major issues — and well short of the high-mileage territory where you'd begin thinking about significant wear items. GMC's 10-speed transmission has matured significantly over recent model years and delivers confident, smooth shifts in real-world use. For a buyer looking for a capable daily driver, tow vehicle, or work truck with years of reliable service ahead, this Sierra 1500 AT4 is a strong choice.

Why Buy From Own A Car Yakima in Yakima, WA

Own A Car Yakima is a trusted name in Yakima County for used vehicle buyers who want straightforward, pressure-free car shopping. Located right here in Yakima, the team understands local buyers — the terrain you drive, the work you do, and the value you expect from a used truck purchase. The inventory is hand-selected, and the goal is simple: match the right buyer with the right vehicle. When you visit Own A Car Yakima, you're not walking into a high-pressure environment. You're working with a team that wants to earn your business and your referrals.

Financing a Used GMC Sierra Near Yakima

Ready to drive this Sierra 1500 AT4 home? Own A Car Yakima works with a range of lenders to find financing solutions that fit real buyers — whether your credit is excellent, rebuilding, or somewhere in between. The team will work to get you into a competitive loan structure without the runaround. See the current price listed on this page and call or visit us to discuss your financing options. Getting pre-qualified is simple, and the team can often turn around approvals quickly so you spend less time waiting and more time driving.

Frequently Asked Questions

Is the 2021 GMC Sierra 1500 AT4 a good buy?

Absolutely. The 2021 Sierra 1500 AT4 with the 6.2L V8 is widely regarded as one of the best half-ton trucks available in this generation. It combines genuine off-road capability, a powerful and efficient engine, and a premium interior that rivals trucks costing significantly more. At under 40,000 miles, this example represents an excellent value in the used truck market.

How many miles is too many for a used GMC Sierra 1500?

With proper maintenance, the Sierra 1500's 6.2L EcoTec3 V8 is commonly seen running well past 200,000 miles. At 39,576 miles, this truck is considered low-mileage in the used truck world — it has the vast majority of its service life still ahead of it.

What does the AT4 trim include on the 2021 GMC Sierra 1500?

The AT4 is GMC's off-road-focused premium trim. It includes a factory 2-inch lift, Rancho monotube shocks, a locking rear differential, skid plates, 18-inch wheels with all-terrain tires, leather-appointed seating, heated seats, a premium infotainment system with wireless connectivity, the MultiPro tailgate, and a suite of driver assistance technologies. It's the trim level for buyers who want both capability and comfort without compromise.

What is the towing capacity of a 2021 GMC Sierra 1500 with the 6.2L V8?

When properly equipped, the 2021 Sierra 1500 with the 6.2L EcoTec3 V8 can tow up to approximately 13,000 pounds. This makes it one of the most capable half-ton tow vehicles available, suitable for fifth-wheel trailers, large boat trailers, horse trailers, and heavy equipment hauling.

Is 4WD important for driving in the Yakima, WA area?

For many Yakima area residents, 4WD is a practical necessity rather than a luxury. Between icy winter roads, snowy mountain passes, and the rural and agricultural terrain throughout Yakima County, having a capable 4WD system provides both safety and access that a 2WD truck simply can't match. This Sierra's 4WD system is well-suited to everything the region demands.

Serving Yakima and Surrounding Areas

Own A Car Yakima proudly serves buyers throughout Yakima County and the broader Central Washington region. Drivers regularly make the trip from Selah, Union Gap, Wapato, Sunnyside, Grandview, Ellensburg, and the Tri-Cities area to shop our inventory. Whether you're coming from the apple orchards of the lower valley, the hop fields near Moxee, or the hills above Naches, we're easy to reach and worth the drive. If you've been searching for a 2021 GMC Sierra 1500 AT4 near Yakima County, Washington, your search ends here.

Contact Own A Car Yakima Today

Don't let this 2021 GMC Sierra 1500 AT4 sit on the lot too long — trucks with the 6.2L V8 at this mileage move fast. Call Own A Car Yakima at 509-424-3973 to ask questions, schedule a test drive, or get the ball rolling on financing. Visit us in Yakima, WA and see Stock #8902 in person. Get behind the wheel of one of the most capable half-ton trucks on the market and find out why Sierra AT4 owners rarely look back.