2021 NISSAN FRONTIER KING CAB

If you're searching for a capable, no-nonsense work truck at a price that makes sense, this 2021 Nissan Frontier King Cab S for sale at American Fleet in Fontana, California deserves a serious look. With 63,551 miles and a proven V6 engine under the hood, this Frontier hits a sweet spot between usability, reliability, and everyday value — making it one of the better used pickup truck options available in San Bernardino County right now.

About This 2021 Nissan Frontier King Cab

At just over 63,000 miles, this 2021 Frontier is well within its prime working years. Nissan's Frontier has long been known for holding up under demanding use, and a truck at this mileage point — especially with the newer-generation powertrain introduced in the 2020 redesign — still has a long, productive life ahead of it. The King Cab body style is a smart choice for buyers who want extended cab flexibility — rear-hinged rear doors give you easy access to the back seat for gear, tools, or passengers — without the longer footprint of a crew cab. Paired with a 6-foot bed, this is a genuinely useful configuration for contractors, weekend warriors, and anyone who actually puts their truck to work.

2021 Nissan Frontier Performance and Engine

A Modern V6 That Gets the Job Done

Under the hood sits Nissan's 3.8-liter V6, which replaced the aging 4.0-liter engine for the 2020 model year redesign. This engine produces 310 horsepower and 281 lb-ft of torque — a meaningful upgrade over its predecessor — and pairs smoothly with the 9-speed automatic transmission for a driving experience that feels more refined than you might expect from a base-trim work truck. The 9-speed helps keep the engine in its power band more efficiently at highway speeds, improving both performance feel and fuel economy compared to older Frontier generations.

This truck is rear-wheel drive, making it an ideal daily driver and work vehicle in Southern California's climate. For buyers in the Inland Empire who aren't navigating heavy snow or off-road terrain, 2WD is a practical, low-maintenance choice that also tends to be lighter on the wallet at fill-up time.

Nissan Frontier Features and Interior

What the S Trim Delivers

The Frontier S is Nissan's entry-level trim, built around function over flash — which is exactly what many truck buyers want. You get the essentials done right: a durable interior, straightforward controls, and enough tech to stay connected without unnecessary complexity. The King Cab layout gives you a bit of extra cabin space compared to a regular cab, with fold-up rear seats that free up usable space for storing tools, bags, or work equipment out of the bed.

Power windows, locks, and a rearview camera are standard on the 2021 Frontier S, along with Nissan's infotainment system with Apple CarPlay and Android Auto compatibility — features that matter when you're spending time on the road between job sites or commuting across San Bernardino County.

Nissan Frontier Reliability and Ownership

The Nissan Frontier has earned a strong reputation for reliability over multiple generations, and the 2020-and-later redesign builds on that foundation with updated mechanicals. Owners consistently report high satisfaction with the truck's durability, particularly in commercial and semi-commercial use cases. The 3.8-liter V6 and 9-speed automatic combination has been well-received for smoothness and longevity, and Nissan's truck lineup has historically shown low rates of major mechanical failure when maintained properly.

For a buyer considering a used Frontier at 63,551 miles, this is a vehicle that — with routine maintenance — should comfortably deliver another 100,000 miles or more of dependable service. Replacement parts are widely available, and service costs tend to be reasonable compared to domestic full-size trucks.

Why Buy From American Fleet in Fontana, California

American Fleet is a trusted used vehicle source in Fontana, located in the heart of San Bernardino County. Whether you're a small business owner looking to add a reliable work truck to your fleet, or an individual buyer who just needs something that handles the demands of daily life in the Inland Empire, American Fleet brings a straightforward, no-pressure buying experience to the table. Their inventory focuses on real-world vehicles for real-world buyers — practical, well-priced, and ready to go.

The dealership's Fontana location puts it within easy reach of a wide area, and the team is ready to answer questions about this specific Frontier, walk you through its condition, and help you get behind the wheel for a test drive.

Financing a Used Nissan Frontier Near Fontana

Financing a used truck in San Bernardino County doesn't have to be complicated. American Fleet works with a range of lenders to help buyers in a variety of credit situations — whether your credit is excellent, fair, or you're still rebuilding. There's no need to have everything figured out before you call or visit. The team can walk you through your options and help you understand what works for your situation.

This 2021 Frontier is competitively priced — see the current price listed on this page — and financing options are available to help make this truck fit your budget. Reach out to American Fleet at 909-320-2027 to get the conversation started.

Frequently Asked Questions

Is the 2021 Nissan Frontier a good used truck to buy?

Yes. The 2021 Frontier benefits from a full redesign in 2020 that brought a more powerful V6, a modern 9-speed automatic, and updated technology. It's considered a strong value in the mid-size truck segment and has earned positive reviews for reliability, driving feel, and overall durability.

How many miles is too many on a used Nissan Frontier?

A well-maintained Frontier can reliably reach 200,000 miles or more. At 63,551 miles, this 2021 model is still in the early stages of its usable life — particularly given that the redesigned 3.8-liter V6 is a newer, more refined powertrain than older Frontier engines.

What does the Frontier S trim include?

The Frontier S is the base trim but is well-equipped for a work truck. Standard features on the 2021 Frontier S include a rearview camera, Apple CarPlay and Android Auto, power windows and locks, and Nissan's 3.8-liter V6 with a 9-speed automatic transmission.

Is a 2WD Nissan Frontier good for Southern California?

Absolutely. For most driving conditions in the Inland Empire and broader Southern California region, rear-wheel drive is more than sufficient. 2WD trucks tend to be lighter, slightly more fuel-efficient, and lower maintenance — a smart choice for buyers who don't regularly encounter snow or severe off-road terrain.

What is the towing capacity of a 2021 Nissan Frontier V6?

The 2021 Nissan Frontier with the 3.8-liter V6 is rated to tow up to 6,720 pounds when properly equipped — making it a legitimate work truck capable of hauling trailers, boats, and equipment with confidence.

Serving Fontana and Surrounding Areas

American Fleet is conveniently located in Fontana, making it an easy drive for buyers throughout San Bernardino County and the greater Inland Empire. Shoppers regularly come in from Rancho Cucamonga, Ontario, Rialto, Colton, San Bernardino, Riverside, and the surrounding communities to browse the inventory. Whether you're coming off the 10, the 15, or the 210, American Fleet is easy to reach and worth the trip.

If you've been searching for a used Nissan Frontier in the Inland Empire or anywhere in San Bernardino County, this 2021 King Cab S is one of the cleanest, most practical options currently on the lot.

Contact American Fleet Today

Ready to see this 2021 Nissan Frontier King Cab S in person? Call American Fleet at 909-320-2027 to schedule a test drive or ask any questions about this vehicle. The team in Fontana is ready to help you move forward — whether that means a closer look at the truck, a conversation about financing, or simply getting more details on its condition and history. Don't wait — quality used trucks at this price point move quickly in San Bernardino County.