Used 2021 Jeep Gladiator for Sale near Illinois

How much does the 2021 Jeep Gladiator cost?

Prices have softened 6.11% compared to this time last year, making it a favorable time to shop this model year.

There are 5,028 listings available, which gives you a solid pool to compare prices and equipment.

Is the 2021 Jeep Gladiator a good car?

Yes — with a 5/5 user rating and a 7.17/10 expert rating, you’re looking at a truck that clearly resonates with owners and still earns strong marks from our test drive team. The standout strength is Look and feel at 9/10.

Owners consistently praise its ruggedness, off-road capability, and unique design, and they also like the comfortable interior and strong diesel performance. The trade-offs are familiar for this model: poor fuel economy, poor ride quality, and poor handling.

That makes the Gladiator especially appealing if you want a midsize truck that feels more adventurous than conventional, with open-air personality and real utility. If you’re shopping for a straightforward commuter or value-first pickup, its personality may matter less than its compromises.

Only 31.6% of listings are priced as good or great deals, so the market still rewards careful comparison shopping.

Is the 2021 Jeep Gladiator reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction. User feedback also points to a truck that feels rugged, dependable, and capable of handling the kind of use buyers expect from a Jeep-branded pickup.

The diesel powertrain adds substantial low-end grunt, and the truck’s off-road hardware supports the sense that it’s built for hard use. Jeep also includes free scheduled maintenance during the first three years or 36,000 miles of ownership, which helps reduce early ownership friction.

For used buyers, the main long-term risk is that the same rugged character owners love can come with higher running costs and more wear-sensitive ownership if the truck has been used hard.

What should I look for when buying a used 2021 Jeep Gladiator?

Accident-free inventory is solid at 83.1% — always verify the vehicle history report.

You should still check the history report carefully, because a truck with removable doors, a removable top, and off-road intent may have seen harder use than a typical midsize pickup. Prioritize a close inspection of the suspension, steering feel, cabin wear, and any signs of trail damage or neglected maintenance.

Key things to evaluate:

• Trim level: The Sport starts with a 5-inch display, crank windows, all-season tires, and the most basic top, while Sport S gains the 7-inch Uconnect 4 system with Apple CarPlay and Android Auto. Overland adds more comfort and convenience, and the High Altitude brings body-color detailing, black 20-inch wheels, and premium Nappa leather.
• Powertrain: The standard 3.6-liter gasoline V6 is joined by an available 3.0-liter turbo-diesel V6 for 2021. The diesel delivers 260 horsepower and 442 pound-feet of torque, with noticeably better fuel economy than the gas engine.
• Safety package: Standard safety equipment is limited to a reversing camera, but available driver aids include adaptive cruise control, forward collision warning, automatic emergency braking, blind-spot monitoring, rear cross-traffic alert, and automatic high beams.
• Infotainment: The standard system uses a 5-inch display, while the available Uconnect 4 setup brings a 7-inch touchscreen with Apple CarPlay and Android Auto. The top Uconnect 4C system adds an 8.4-inch touchscreen, navigation, connected services, remote engine start, and a WiFi hotspot.
• Fuel efficiency: The diesel returned 22.6 mpg in testing and was estimated at 24 mpg combined, while the standard V6 returned 20.3 mpg in a prior highway-heavy test.

Which 2021 Jeep Gladiator trim should I buy?

The 2021 Jeep Gladiator is offered in 5 trim levels: Sport, Sport S, Willys, Overland, and High Altitude.

Here's the short version:

• Sport: This is the entry point, and it’s the one to choose only if you want the lowest starting price and can live with the most basic equipment. It comes with the 5-inch display, crank windows, all-season tires, and the simplest top, so it’s best for buyers who plan to keep things utilitarian.
• Sport S: This is the best-value trim because it adds the 7-inch Uconnect 4 system with Apple CarPlay and Android Auto, which makes the truck feel much more modern without pushing you into luxury pricing.
• Willys: This trim adds a blacked-out grille, limited-slip rear differential, rock rails, and 32-inch all-terrain tires, so it’s the one to consider if you want a more trail-ready personality without jumping to the top of the range.
• Overland: This is the comfort-focused choice, especially if you want a more upscale cabin and the option for the forward-facing Trail Cam. It suits you best if you care about daily livability and added convenience.
• High Altitude: This is the luxury-oriented trim, with body-color detailing, black 20-inch wheels, and premium Nappa leather. It makes sense if you want the most polished Gladiator experience.

The safety content notes that advanced driver-assistance features are not standard and vary by trim and equipment, so check each listing carefully.

Is now a good time to buy a used 2021 Jeep Gladiator?

This is a moderate market for selective buyers, so you can shop with some leverage if you’re patient.

• Deal availability: 31.6% of listings are priced as good or great deals.
• Inventory: There are 5,028 listings available.
• Price trend: Prices have softened 6.11% compared with last year.
• Clean inventory: 83.1% of listings are accident-free.

If you find a listing below $30,671, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Jeep Gladiator's resale value?

The current average of $31,382 sits slightly below last year's $33,423.

That softer pricing suggests the market has cooled a bit, which can help you buy more selectively now. For a future seller, it also means you should expect resale value to depend heavily on condition, mileage, trim, and equipment rather than just the nameplate alone.

Because the Gladiator has strong owner satisfaction and a distinct personality, well-kept examples should continue to attract interest. The best resale prospects will likely be trucks with desirable equipment, clean history, and visible care.

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

Is the 2021 Jeep Gladiator safe?

The Gladiator earns a four-star frontal-impact rating from NHTSA, and the rollover resistance rating is three stars regardless of engine selection.

It earns a 7/10 safety score from our experts.

Standard safety equipment is limited to a reversing camera, so you’ll want to look closely at the available driver-assistance features on any used example. Depending on trim and equipment, you can get adaptive cruise control, forward collision warning, automatic emergency braking, blind-spot monitoring, rear cross-traffic alert, and automatic high beams.

The main caveat is that advanced safety tech is not standard, so lower-trim trucks may leave you with much less protection and convenience than you’d expect in a newer used pickup.

Should I buy a 2021 Jeep Gladiator 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:

• 31.6% of listings are priced as good or great deals.
• Accident-free inventory is solid at 83.1% — always verify the vehicle history report.
• Price trend: Prices have softened 6.11% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• The 2021 adds a turbo-diesel engine option, available full-time four-wheel drive, fresh special-edition models, and free scheduled maintenance.

Consider the 2020 if:

• At $28,249, the 2020 costs less than the current year's $31,382 average.
• It emphasizes off-road ability and work-truck credibility.

The bottom line: If you want the strongest mix of features, owner satisfaction, and current market selection, the 2021 is the better all-around pick. If your priority is spending less up front and you’re comfortable giving up some of the 2021 updates, the 2020 is the value-oriented alternative.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.