How much does the 2018 Audi A6 cost?

Prices have softened 8.22% compared to this time last year, making it a favorable time to shop this model year.

There are 649 listings available, which suggests you have a workable amount of inventory to compare.

If you find a listing below $16,378.04, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2018 Audi A6 a good car?

Yes — the 2018 Audi A6 earns a 5/5 user rating, which points to strong owner satisfaction.

Drivers consistently praise its interior design, powerful performance, and luxurious ride quality. The review summary also highlights its handling and feature content, which fits well if you want a refined midsize luxury sedan with a premium cabin and a polished driving feel.

With its emphasis on technology and balanced character, it makes the most sense if you want a sophisticated daily driver rather than a flashy statement car. 33.4% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2018 Audi A6 reliable?

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

The review summary points to a dependable-feeling ownership experience, with drivers describing the car as luxurious, well equipped, and enjoyable over time. That kind of feedback matters because it suggests the A6 can be a car you feel confident living with, not just admiring on a test drive.

For used buyers, the main long-term risk is paying for a premium car without confirming that the specific example has been cared for properly.

What should I look for when buying a used 2018 Audi A6?

At 67% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report so you can separate clean examples from cars with past damage. After that, prioritize a pre-purchase inspection, especially on cars with higher mileage or incomplete service records.

Focus your condition check on the interior, electronics, and overall maintenance presentation, since those areas matter most in a premium sedan like this.

Is now a good time to buy a used 2018 Audi A6?

This is a moderate market, so you can buy now if the right car appears, but selective shoppers still have leverage.

• Deal availability: 33.4% of listings are priced as good or great deals.
• Inventory: There are 649 listings available.
• Price trend: Prices have softened 8.22% compared with last year.
• Clean inventory: 67.0% of listings are accident-free.

If you find a listing below $16,378.04, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 Audi A6's resale value?

The current average of $16,951 sits slightly below last year's $18,470.

That decline suggests the market has already adjusted downward, which can help you buy at a more favorable entry point. For a future seller, that also means resale value will depend heavily on how well your specific car stands out on condition, mileage, and documentation.

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 2018 Audi A6 or consider a different year?

If you're weighing the 2018 against nearby model years, here's how to think about it:

Choose the 2018 if:

• 33.4% of listings are priced as good or great deals.
• At 67% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 8.22% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

Consider the 2019 if:

• At $22,311, the 2019 costs more than the current year's $16,951 average.
• It brings a redesigned cabin with a new MMI system and more advanced tech.

The bottom line: If you want the better value play, the 2018 is the stronger starting point because it combines a lower average price with strong owner satisfaction. If you’re willing to spend more for a newer-feeling interior and more advanced technology, the 2019 is the better upgrade path. For price-sensitive buyers, the 2018 is the one to watch first.

These recommendations are based on CarGurus' proprietary market data from August 21, 2026, CarGurus experts' opinions, and generative AI.