Used 2021 Audi A4 for SaleNationwide

How much does the 2021 Audi A4 cost?

Prices have softened 12.08% compared to this time last year, making it a favorable time to shop this model year.

There are 341 listings available, which gives you a solid pool of used A4s to compare.

Is the 2021 Audi A4 a good car?

Yes — the 4.8/5 user rating points to strong owner satisfaction, and the A4’s overview highlights a compact luxury sedan that blends strong technology, all-weather capability, and a well-rounded driving experience. It also offers a premium-feeling mix of comfort and tech features, including Apple CarPlay, Android Auto, leather seats, a sunroof, a rearview camera, and available upgrades like Virtual Cockpit and a surround-view camera system. If you want a refined sedan that emphasizes everyday usability, tech, and confidence in poor weather more than rear-seat space or outright performance, this model year fits that brief well. 35.5% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2021 Audi A4 reliable?

Owners rate it 4.8/5, a strong signal of long-term satisfaction.

The overview points to a well-rounded sedan with a strong technology story and available quattro all-wheel drive, which can make it feel like a confident daily driver. It also notes that the cabin was updated with a newer MMI system, helping the car feel current for its age. For used buyers, the main long-term ownership risk is that you should pay close attention to condition and maintenance history, especially on cars that have seen regular use in varied weather.

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

At 69.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and confirm whether any prior damage was repaired properly. Then prioritize a pre-purchase inspection, with extra attention to bodywork, electronics, and signs of uneven wear. Because the A4’s appeal depends heavily on refinement and tech, focus on overall condition rather than just mileage or trim level.

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

This looks like a moderate market, so you can be selective without expecting a deep bargain on every listing.

• Deal availability: 35.5% of listings are priced as good or great deals.
• Inventory: There are 341 listings available.
• Price trend: Prices have softened 12.08% compared with last year.
• Clean inventory: 69.2% of listings are accident-free.

If you find a listing below $20,041, 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 $20,041 sits slightly below last year's $22,794.

That price movement suggests the model has already absorbed a meaningful amount of depreciation, which can help future sellers if they buy at the right price today. If you shop carefully now, you may have less downside left than you would with a newer, pricier alternative. The A4’s broad appeal as a premium compact sedan also helps support demand among used buyers who want technology and all-weather capability.

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:

• 35.5% of listings are priced as good or great deals.
• At 69.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 12.08% compared with last year.
• Owners rate it 4.8/5 — a strong satisfaction signal.

Consider the 2022 if:

• At $22,226, the 2022 costs more than the current year's $20,041 average.
• It feels fresh and modern, with strong technology and a rock-solid structure.

The bottom line: If you want the better value play, the 2021 is the stronger starting point because it combines a lower average price with solid deal availability. 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 10, 2026, CarGurus experts' opinions, and generative AI.