Used 2020 Mercedes-Benz GLA for Sale nearPhiladelphia, PA

How much does the 2020 Mercedes-Benz GLA cost?

Prices have softened 10.71% compared to this time last year, making it a favorable time to shop this model year.

There are 696 listings available, which suggests a healthy amount of inventory to compare.

Is the 2020 Mercedes-Benz GLA a good car?

Generally — the 4.43/5 user rating points to strong owner satisfaction. Owners consistently praise the stylish design, luxurious feel, and performance, and many also like the features and stereo system. The tradeoff is that some shoppers find it cramped and overpriced for what it offers, so it fits you best if you want a premium compact crossover with a sporty personality rather than maximum space. With 34.5% of listings marked as good or great deals, there is still room to shop selectively.

Is the 2020 Mercedes-Benz GLA reliable?

Owners rate it 4.43/5, a solid signal of long-term satisfaction.

Owner feedback also points to a dependable-feeling ownership experience, with praise for the power, handling, and overall driving enjoyment. That said, some buyers mention a rough ride and missing options, so your long-term risk is less about outright failure and more about whether the car’s condition and equipment match your expectations.

What should I look for when buying a used 2020 Mercedes-Benz GLA?

At 69.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report before you commit, then prioritize a pre-purchase inspection from a trusted mechanic. Focus on body condition, signs of prior repair, and whether the ride quality and interior wear match the mileage and asking price. Because this model can feel cramped and some owners note a rough ride, it’s worth paying close attention to how the car presents in person.

Is now a good time to buy a used 2020 Mercedes-Benz GLA?

This is a moderate market, so you can shop selectively without expecting a deep buyer’s market.

• Deal availability: 34.5% of listings are priced as good or great deals.
• Inventory: There are 696 listings available.
• Price trend: Prices have softened 10.71% compared with last year.
• Clean inventory: 69.1% of listings are accident-free.

If you find a listing below $17,720, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 Mercedes-Benz GLA's resale value?

The current average of $17,723 sits slightly below last year's $19,849.

That price movement suggests the market has already adjusted downward, which can make future depreciation feel less abrupt if you buy at the right price. For a seller, the key is to avoid overpaying now, because a lower entry price gives you more room to preserve value later. Strong owner satisfaction can help support demand when it’s time to resell.

Vehicles with solid owner satisfaction ratings, like this model year's 4.43/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2020 Mercedes-Benz GLA or consider a different year?

If you're weighing the 2020 against nearby model years, here's how to think about it:

Choose the 2020 if:

• 34.5% of listings are priced as good or great deals.
• At 69.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 10.71% compared with last year.
• Owners rate it 4.43/5 — a solid satisfaction signal.

Consider the 2021 if:

• At $22,557, the 2021 costs more than the current year's $17,723 average.
• It brings a full redesign with a more conventional SUV shape.

The bottom line: If you want the better value, the 2020 is the stronger starting point because it costs less and still has solid owner approval. If you’re willing to spend more for the redesigned shape and a more traditional small-SUV feel, the 2021 is the better secondary path.

These recommendations are based on CarGurus' proprietary market data from October 20, 2026, CarGurus experts' opinions, and generative AI.