Used 2021 Audi A4 for Sale nearPhiladelphia, PA

How much does the 2021 Audi A4 cost?

Prices have softened 7.93% compared to this time last year, making it a favorable time to shop this model year.

There are 337 listings available, which gives you a solid pool to compare prices and equipment.

Is the 2021 Audi A4 a good car?

Yes — the 4.75/5 user rating points to strong owner satisfaction. The 2021 Audi A4 is described as a well-rounded compact luxury sedan that blends efficiency, technology, and everyday usability, with a power bump and mild-hybrid drivetrain that improve its performance edge. It also offers available quattro all-wheel drive for added confidence in poor weather or on the road. For you, that means it fits best if you want a refined daily driver with a strong tech focus and usable all-around manners. 34.1% of listings are priced as good or great deals, which suggests there are still worthwhile opportunities in the market.

Is the 2021 Audi A4 reliable?

Owners rate it 4.75/5, a strong signal of long-term satisfaction. The 2021 Audi A4 is presented as a well-rounded, usable luxury sedan with a reputation for being a good used-car value, especially for shoppers who want technology and everyday practicality in one package. Its strengths center on balance rather than extremes, which usually helps ownership feel predictable if you keep up with maintenance. For used buyers, the main long-term risk is choosing a neglected example, so condition and service history matter more than chasing the lowest price.

What should I look for when buying a used 2021 Audi A4?

At 74.5% 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 on any car that looks unusually cheap. Focus on overall condition, signs of prior bodywork, and whether the cabin and technology features still work as expected.

Is now a good time to buy a used 2021 Audi A4?

This looks like a moderate, selective buyer’s market, so you can shop carefully and still find value.

• Deal availability: 34.1% of listings are priced as good or great deals.
• Inventory: There are 337 listings available.
• Price trend: Prices have softened 7.93% compared with last year.
• Clean inventory: 74.5% of listings are accident-free.

If you find a listing below $21,478, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Audi A4's resale value?

The current average of $21,733 sits slightly below last year's $23,606.

That price movement suggests the market has already adjusted downward, which can help you buy at a more favorable entry point today. If you plan to resell later, the softer current pricing may limit near-term appreciation, but it can also make the car easier to move if you buy well. A clean, well-kept example should hold up better than one with accident history or visible wear.

Vehicles with strong owner satisfaction ratings, like this model year's 4.75/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2021 Audi A4 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:

• 34.1% of listings are priced as good or great deals.
• At 74.5% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 7.93% compared with last year.
• Owners rate it 4.75/5 — a strong satisfaction signal.

Consider the 2022 if:

• At $23,158, the 2022 costs more than the current year's $21,733 average.
• It feels remarkably fresh and brings a rock-solid structure with modern technology.

The bottom line: If you want the better value today, the 2021 is the smarter primary path because pricing has eased and deal availability is decent. If you’re willing to pay more for a newer-feeling alternative, the 2022 is the secondary path for price-sensitive buyers who still want the same basic formula with a fresher presentation.

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