Used 2021 Audi A4 for SaleNationwide

How much does the 2021 Audi A4 cost?

Prices have softened 11.03% compared to this time last year, making it a favorable time to shop this model year.

There are 339 listings available, which gives you a solid pool of options to compare.

Is the 2021 Audi A4 a good car?

Yes — the 4.8/5 user rating points to strong owner satisfaction for this model year. The 2021 Audi A4 stands out as a compact luxury sedan that blends strong technology, all-weather capability, and a well-rounded driving experience. It also offers a thoughtful mix of comfort and tech features, including Apple CarPlay, Android Auto, leather seats, a sunroof, a rearview camera, and Audi’s Drive Select adjustable settings, while the available quattro all-wheel-drive system broadens its appeal if you want extra traction in poor weather. For shoppers who value refinement, technology, and everyday usability more than rear-seat space or outright performance, it fits the brief well. 36.6% of listings are priced as good or great deals.

Is the 2021 Audi A4 reliable?

Owners rate it 4.8/5, a strong signal of long-term satisfaction. The 2021 Audi A4’s appeal comes from its balanced mix of comfort, technology, and all-weather capability, along with the added punch from its power bump and mild-hybrid drivetrain. Its standard equipment and available features suggest a premium ownership experience, while the quattro system adds confidence if you drive in poor weather. For used buyers, the main long-term ownership risk is making sure the car has been maintained carefully, since premium sedans can become expensive if deferred upkeep has piled up.

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

At 69.6% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report on any car you’re seriously considering and confirm whether prior damage was cosmetic or structural. Put inspection priority on body panels, paint consistency, alignment, and signs of repair, then make sure the cabin electronics, infotainment system, and all-wheel-drive hardware work as expected. Because this model’s appeal depends heavily on refinement and tech, condition matters more than mileage alone.

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 patiently but should move quickly on the right car.

• Deal availability: 36.6% of listings are priced as good or great deals.
• Inventory: There are 339 listings available.
• Price trend: Prices have softened 11.03% compared with last year.
• Clean inventory: 69.6% of listings are accident-free.

If you find a listing below $20,285, 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 $20,285 sits slightly below last year's $22,801.

That softer pricing can help you buy in at a more favorable point, but it also suggests the model has already absorbed some depreciation. If you plan to resell later, the best protection is choosing a clean, well-kept example with strong documentation and desirable equipment. Cars that present well and feel current tend to hold buyer interest better when it’s your turn to sell.

Vehicles with strong owner satisfaction ratings, like this model year's 4.8/5, 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:

• 36.6% of listings are priced as good or great deals.
• At 69.6% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 11.03% compared with last year.
• Owners rate it 4.8/5 — a strong satisfaction signal.

Consider the 2022 if:

• At $22,336, the 2022 costs more than the current year's $20,285 average.
• It feels fresher and still impresses with modern technology and a rock-solid structure.

The bottom line: If you want the better value play, the 2021 is the primary path because it combines a lower average price with strong satisfaction and a healthy deal share. If you’re willing to spend more for a newer-feeling alternative, the 2022 is the better secondary path.

How does the 2021 Audi A4 compare to the 2021 BMW 3 Series?

Read our full side-by-side expert comparison here.

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