Used 2021 Audi RS Q8 for SaleNationwide

How much does the 2021 Audi RS Q8 cost?

Prices have softened 2.99% compared to this time last year, making it a favorable time to shop this model year.

There are 110 listings available, which gives you a useful amount of inventory to compare before you buy.

Is the 2021 Audi RS Q8 a good car?

Yes — the 4.5/5 user rating points to strong owner satisfaction for this model year. That kind of feedback suggests you’re looking at a vehicle that has resonated well with shoppers who have lived with it. With 34.5% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2021 Audi RS Q8 reliable?

Owners rate it 4.5/5, a strong signal of long-term satisfaction.

For used buyers, that kind of owner feedback suggests the bigger ownership risk is less about broad reputation and more about finding a well-kept example with clean records and consistent maintenance.

What should I look for when buying a used 2021 Audi RS Q8?

Accident-free inventory is solid at 89.1% — always verify the vehicle history report.

You should prioritize a history report first, then focus your inspection on signs of prior damage, uneven wear, or poor repairs. Because this is a performance-oriented used vehicle, condition matters more than mileage alone, so pay close attention to how the car presents inside and out.

Is now a good time to buy a used 2021 Audi RS Q8?

This looks like a moderate market where selective buyers can still find value if they shop carefully.

• Deal availability: 34.5% of listings are priced as good or great deals.
• Inventory: There are 110 listings available.
• Price trend: Prices have softened 2.99% compared with last year.
• Clean inventory: 89.1% of listings are accident-free.

If you find a listing below $74,122, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Audi RS Q8's resale value?

The current average of $74,122 sits slightly below last year's $76,408.

That price movement suggests the market has eased a bit, which can help you buy more confidently now if you plan to keep the vehicle for a while. For a future seller, the softer pricing means resale value may depend more heavily on condition, mileage, and how well the vehicle has been maintained. A clean history and strong presentation should matter even more if you want to protect your exit price.

Vehicles with strong owner satisfaction ratings, like this model year's 4.5/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2021 Audi RS Q8 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:

• 34.5% of listings are priced as good or great deals.
• Accident-free inventory is solid at 89.1% — always verify the vehicle history report.
• Price trend: Prices have softened 2.99% compared with last year.
• Owners rate it 4.5/5 — a strong satisfaction signal.

The bottom line:

The 2021 is a sensible primary choice if you want a model year with solid owner feedback, decent inventory, and a price that has already softened from last year. If you’re especially price-sensitive, keep watching listings and compare against nearby years to see whether a lower asking price outweighs the appeal of this year’s stronger market balance.

These recommendations are based on CarGurus' proprietary market data from September 29, 2026, CarGurus experts' opinions, and generative AI.