Used 2021 Mercedes-Benz GLA for SaleNationwide

How much does the 2021 Mercedes-Benz GLA cost?

Prices have softened 11.84% compared to this time last year, making it a favorable time to shop this model year.

There are 637 listings available, which suggests you should have a workable amount of inventory to compare.

Is the 2021 Mercedes-Benz GLA a good car?

Generally — the 2021 Mercedes-Benz GLA earns a 4.3/5 user rating and a 7.5/10 expert rating. The standout strength is Technology at 9/10.

It was completely redesigned for 2021, and that shows up in its more traditional small-SUV shape, compact footprint, and easy maneuverability. The model also brings multiple powertrain options and strong tech appeal, which fits shoppers who want a small luxury SUV with extra punch.

The trade-offs are clear: poor ride quality and poor handling hold it back, and cargo space is limited.

37.0% of listings are priced as good or great deals, so there is still some room to shop selectively.

Is the 2021 Mercedes-Benz GLA reliable?

Owners rate it 4.3/5, a solid signal of long-term satisfaction.

The 2021 GLA’s redesign and compact SUV packaging suggest a modern ownership experience, and the expert evaluation points to a vehicle that delivers the basics buyers expect from the class. Its turbocharged powertrain is described as unrefined in everyday driving, with turbo lag and transmission hesitation at low speeds, but it performs better once you’re up to highway pace.

The tech and safety equipment help support day-to-day confidence, and the available driver-assistance package adds a much fuller set of active-safety features. If you’re buying used, the main long-term risk is that the GLA’s less-polished ride, handling, and powertrain behavior may matter more as mileage adds up.

What should I look for when buying a used 2021 Mercedes-Benz GLA?

Accident-free inventory is solid at 77.4% — always verify the vehicle history report.

You should still check the history report carefully, because accident-free status does not replace a full records review. Prioritize a pre-purchase inspection that focuses on the ride, handling, and powertrain behavior, since those are the areas most likely to affect your satisfaction. Also pay close attention to interior condition and cargo needs, because the cabin and utility trade-offs are part of the GLA’s character.

Key things to evaluate:

• Trim level: The GLA 250 is the entry-level model in the Mercedes SUV lineup, and the interior materials are described as less than premium in places. Standard LED headlights are included, while adaptive LED headlights are available as part of a package.
• Powertrain: The GLA 250 and 250 4MATIC use a 2.0-liter turbocharged four-cylinder with 221 horsepower and 258 pound-feet of torque, paired with an eight-speed dual-clutch transmission. The model line also includes the AMG GLA 35, and a more powerful AMG GLA 45 is on the way.
• Safety package: Every GLA includes a rearview camera, blind-spot monitoring, forward-collision warning, vehicle-exit warning, automatic emergency braking, driver-drowsiness monitoring, crosswind assist, and traditional cruise control. The Driver Assistance Package adds automatic braking for stationary vehicles, traffic-jam assist, active emergency brake assist, active lane change assist, adaptive cruise control, active speed limit assist, route-based speed adjustment, evasive steering assist, active lane-keeping assist, active blind-spot assist, active brake assist with cross-traffic intervention, and a rear-collision sensing system.
• Infotainment: Standard equipment includes the MBUX system with two 7.0-inch display screens, a touch-operated central screen, a touchpad controller, four USB ports, Bluetooth, Apple CarPlay, and Android Auto. Available upgrades include a 10.25-inch infotainment touchscreen, wireless device charging, a WiFi hot spot, navigation, and a 12-speaker Burmester audio system.
• Fuel efficiency: The turbo-four engine gets an EPA-estimated 25 mpg in the city, 34 mpg on the highway, and 28 mpg combined. The 4MATIC version does one mpg worse in each category.

Which 2021 Mercedes-Benz GLA trim should I buy?

The 2021 Mercedes-Benz GLA is offered in 3 trim levels: GLA 250, GLA 250 4MATIC, AMG GLA 35.

Here's the short version:

• GLA 250: This is the best-value starting point if you want the redesigned GLA’s core strengths without paying for extra drivetrain hardware. You still get the standard MBUX system, Apple CarPlay, Android Auto, and the full set of basic safety features, but you’ll want to compare it carefully against the available safety package if driver-assistance tech matters to you.
• GLA 250 4MATIC: Choose this if you want all-wheel drive and the added traction that comes with it. It keeps the same 221-horsepower turbo-four and tech setup, but fuel economy drops slightly versus the front-wheel-drive version.
• AMG GLA 35: This is the performance-oriented choice, with a much stronger engine and AMG-specific hardware and displays. It makes sense if you want the quickest and most aggressive version of the lineup, but it is not the value pick.

The safety package is not standard, so if you want the fullest active-safety setup, look for a GLA equipped with the Driver Assistance Package.

Is now a good time to buy a used 2021 Mercedes-Benz GLA?

This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you’re patient.

• Deal availability: 37.0% of listings are priced as good or great deals.
• Inventory: There are 637 listings available.
• Price trend: Prices have softened 11.84% compared with last year.
• Clean inventory: 77.4% of listings are accident-free.

If you find a listing below $22,257, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Mercedes-Benz GLA's resale value?

The current average of $22,257 sits slightly below last year's $25,246.

That price movement suggests the GLA has already absorbed a meaningful amount of depreciation, which can help future sellers if they buy at the right number. If you purchase near the current average or below it, you may have a better chance of limiting your loss when it’s time to sell. The model’s strong tech appeal and compact luxury positioning should help keep it relevant with used shoppers.

Vehicles with solid owner satisfaction ratings, like this model year's 4.3/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 Mercedes-Benz GLA safe?

The 2021 Mercedes-Benz GLA earns a 7/10 safety score from our experts.

Mercedes equips every GLA with a rearview camera, blind-spot monitoring, forward-collision warning, vehicle-exit warning, automatic emergency braking, driver-drowsiness monitoring, crosswind assist, and traditional cruise control. To get nearly all of the most desirable active-safety technology, you need the Driver Assistance Package, which adds adaptive cruise control, lane-keeping and lane-change assistance, evasive steering assist, rear-collision sensing, and more.

The safety story is mixed because the standard equipment list is decent, but the most advanced features are not included on every car. If you want the fullest safety setup, you should specifically look for a GLA with the Driver Assistance Package and, if parking help matters, the separate Parking Assistance Package.

Should I buy a 2021 Mercedes-Benz GLA 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:

• 37.0% of listings are priced as good or great deals.
• Accident-free inventory is solid at 77.4% — always verify the vehicle history report.
• Price trend: Prices have softened 11.84% compared with last year.
• Owners rate it 4.3/5 — a solid satisfaction signal.
• The 2021 model year is notable for its complete redesign, which gives it a more conventional SUV shape, improved tech appeal, and a stronger overall identity than the outgoing version.

The bottom line: If you want the redesigned GLA with strong tech, compact dimensions, and a lower used price than last year, the 2021 is the one to target. If you’re especially price-sensitive, you can also compare it against nearby alternatives, but the 2021 makes the most sense when you want the updated design and are willing to accept its ride and handling compromises.

How does the 2021 Mercedes-Benz GLA compare to the 2021 BMW X1?

These recommendations are based on CarGurus' proprietary market data from November 3, 2026, CarGurus experts' opinions, and generative AI.