Used 2021 Ford F-350 Super Duty for SaleNationwide

How much does the 2021 Ford F-350 Super Duty cost?

Prices have softened 3.56% compared to this time last year, making it a favorable time to shop this model year.

There are 1,945 listings available, which suggests you have a meaningful amount of inventory to compare.

Is the 2021 Ford F-350 Super Duty a good car?

Generally — the 2021 Ford F-350 Super Duty earns a 4.44/5 user rating and a 7.67/10 expert rating, which points to strong overall appeal for the right buyer. The model scores 9/10 across Look and feel and Form and function.

Owners repeatedly praise its robust performance, spacious interior, and the amount of features you get for the price. The expert review also backs up the truck’s core mission: it’s built for serious towing and hauling, with multiple body styles and impressive technology helping it stand out.

The trade-offs are just as clear. The expert review calls out poor ride quality, poor handling, and noise, so this is not the truck you buy for comfort-first commuting. It makes the most sense if you need maximum strength from a pickup and can live with the size and rougher manners that come with that job.

Good and great deals account for 32.3% of listings, so there is some room to shop selectively.

Is the 2021 Ford F-350 Super Duty reliable?

Owners rate it 4.44/5, a solid signal of long-term satisfaction.

The owner feedback points to a truck that feels robust, dependable, and well suited to long-haul use, with many drivers appreciating how confidently it handles demanding work. The expert review also describes the diesel powertrain as effortlessly motivating the truck and notes that it delivers on its promise when hauling heavy trailers.

That same review adds a useful ownership note: the diesel and 10-speed automatic combination is described as easily delivering on its promise, which supports the idea that the truck is built for sustained heavy-duty use. If you’re shopping used, the main long-term risk is buying one that was worked hard without proper maintenance or inspection.

What should I look for when buying a used 2021 Ford F-350 Super Duty?

Accident-free inventory is solid at 81.5% — always verify the vehicle history report.

You should still run a history report on any truck you’re considering, because heavy-duty pickups are often used hard and may have seen towing, hauling, or fleet duty. Prioritize a pre-purchase inspection that checks the suspension, brakes, steering feel, and signs of wear from work use. Focus on condition and equipment level, since the truck’s value can change a lot depending on how it was configured and maintained.

Key things to evaluate:

• Trim level: The F-350 comes in XL, XLT, Lariat, King Ranch, Platinum, and Limited trim levels. The cabin is more purposeful in the lower trims, while King Ranch and above bring higher-end décor and a more luxury-oriented feel. The Limited stands out with plush leather, a high-end audio system, a panoramic glass sunroof, and other upscale touches, while the base trims are more work-focused.
• Powertrain: The truck offers multiple powertrain options, including an available turbodiesel V8 that delivers 475 horsepower and 1,050 lb-ft of torque. The diesel is the standout choice if you need maximum towing and hauling strength, and it also returned 15.4 mpg in testing and 16.5 mpg over a week of mixed driving.
• Safety package: Available driver-assistance features include adaptive cruise control, forward-collision warning, automatic emergency braking, lane-departure warning, lane-keep assist, blind-spot monitoring with trailer coverage, and rear cross-traffic alert. Adaptive cruise control does not bring the truck to a full stop, and blind-spot monitoring still requires careful mirror adjustment.
• Infotainment: The truck uses an 8-inch touchscreen with Sync 3. Higher trims add smartphone integration, wireless smartphone charging, navigation, FordPass Connect with a 4G LTE WiFi hotspot, and a B&O premium sound system. The screen is relatively small for the class, and the system can lag or ignore inputs at times.
• Fuel efficiency: The diesel test truck averaged 15.4 mpg in unloaded testing and 16.5 mpg over a week of driving.

Which 2021 Ford F-350 Super Duty trim should I buy?

The 2021 Ford F-350 Super Duty is offered in 6 trim levels: XL, XLT, Lariat, King Ranch, Platinum, and Limited.

Here's the short version:

• XL: This is the work-first choice if you want the most basic, purpose-built version of the truck. It makes sense if you care more about capability and cost control than comfort or luxury features.
• XLT: This is the sensible step up if you want a better balance of equipment and value without moving into the luxury-oriented trims. It should suit buyers who want a usable daily truck with more comfort than the XL.
• Lariat: This is the best-value trim for many shoppers because it starts adding more of the cabin polish and feature content that make the truck easier to live with every day.
• King Ranch: This trim is for you if you want a more upscale interior and a stronger luxury-truck feel without going all the way to the top.
• Platinum: Choose this if you want a premium-feeling heavy-duty truck with a more upscale presentation and a richer feature set.
• Limited: This is the top luxury pick, with the most upscale cabin treatment, the available turbodiesel V8, four-wheel drive, adaptive steering, and the most premium equipment in the lineup.

The safety package includes adaptive cruise control, forward-collision warning, automatic emergency braking, lane-departure warning, lane-keep assist, blind-spot monitoring with trailer coverage, and rear cross-traffic alert.

Is now a good time to buy a used 2021 Ford F-350 Super Duty?

This is a moderate market for selective buyers, so you can shop carefully and still find worthwhile listings.

• Deal availability: 32.3% of listings are priced as good or great deals.
• Inventory: There are 1,945 listings available.
• Price trend: Prices have softened 3.56% compared with last year.
• Clean inventory: 81.5% of listings are accident-free.

If you find a listing below $48,720, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Ford F-350 Super Duty's resale value?

The current average of $49,726 sits slightly below last year's $51,559.

That decline suggests the market has eased a bit, which can help you buy more confidently now if you plan to keep the truck for a while. For a future seller, the softer pricing means you should expect some depreciation pressure in the near term, especially if your truck is not especially well equipped or well maintained. Strong condition, desirable equipment, and a clean history will matter more when it comes time to resell.

Vehicles with solid owner satisfaction ratings, like this model year's 4.44/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 Ford F-350 Super Duty safe?

The 2021 Ford F-350 Super Duty does not have official crash-test data available, but it does come with a broad set of driver-assistance features that help support everyday safety. It earns a 7/10 safety score from our experts.

The available safety suite includes adaptive cruise control, forward-collision warning, automatic emergency braking, lane-departure warning, lane-keep assist, blind-spot monitoring with trailer coverage, and rear cross-traffic alert. The review also notes that adaptive cruise control can behave unevenly in traffic and does not bring the truck to a full stop, so you still need to stay engaged.

Blind-spot monitoring is helpful, but the warning indicator can be hard to see, and the mirrors still need to be set carefully to avoid hidden vehicles. That means the truck’s safety tech is useful, but it does not replace the attention required to drive a vehicle this large.

Should I buy a 2021 Ford F-350 Super Duty or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 32.3% of listings are priced as good or great deals.
• Accident-free inventory is solid at 81.5% — always verify the vehicle history report.
• Price trend: Prices have softened 3.56% compared with last year.
• Owners rate it 4.44/5 — a solid satisfaction signal.
• The 2021 refresh brought powertrain, technology, design, and capability changes that helped the lineup stay competitive.

Consider the 2020 if:

• At $45,910, the 2020 costs less than the current year's $49,726 average.
• It adds a new 7.3-liter V8, expanded use of the 10-speed automatic, and a Tremor trim.

The bottom line: buy the 2021 if you want the refreshed truck and are willing to pay a bit more for the newer setup and stronger market selection. If your priority is saving money, the 2020 is the better value path because it still brings broad capability and useful updates at a lower average price.

These recommendations are based on CarGurus' proprietary market data from October 13, 2026, CarGurus experts' opinions, and generative AI.