Used 2020 Audi A3 for Sale nearSaint Louis, MO

How much does the 2020 Audi A3 cost?

Prices have softened 10.28% compared to this time last year, making it a favorable time to shop this model year.

There are 195 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2020 Audi A3 a good car?

Yes — the 5/5 user rating points to strong owner satisfaction for this model year. That kind of feedback suggests you may be looking at a car that has resonated well with people who have lived with it day to day. With 35.4% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2020 Audi A3 reliable?

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

For used buyers, that kind of owner feedback can reduce some of the uncertainty around ownership risk, but you should still focus on maintenance history and overall condition before you commit.

What should I look for when buying a used 2020 Audi A3?

At 64.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report on any candidate you’re serious about and prioritize a pre-purchase inspection. Pay close attention to bodywork quality, panel alignment, and signs that repairs were done well, since condition differences can matter a lot in a market with mixed history.

Is now a good time to buy a used 2020 Audi A3?

This looks like a moderate, selective buyer’s market, so you can shop carefully without expecting every listing to be a bargain.

• Deal availability: 35.4% of listings are priced as good or great deals.
• Inventory: There are 195 listings available.
• Price trend: Prices have softened 10.28% compared with last year.
• Clean inventory: 64.1% of listings are accident-free.

If you find a listing below $18,135, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 Audi A3's resale value?

The current average of $18,345 sits slightly below last year's $20,448.

That softer pricing can help you buy at a more favorable entry point, but it also means a future sale may need to be priced competitively if the market stays loose. If you keep the car in strong condition and maintain it well, you’ll be better positioned to protect value when it’s time to sell. Lower acquisition cost today can help offset some depreciation pressure later.

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

Should I buy a 2020 Audi A3 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:

• 35.4% of listings are priced as good or great deals.
• At 64.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 10.28% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line:

If you want the strongest mix of current pricing and owner satisfaction, the 2020 is the primary year to focus on. If you’re especially price-sensitive, you can also compare nearby years to see whether a lower asking price outweighs the tradeoff in inventory quality or deal availability. Either way, the best move is to shop condition first and use the current price softness to negotiate confidently.

These recommendations are based on CarGurus' proprietary market data from October 13, 2026, CarGurus experts' opinions, and generative AI.