Used Audi A6 for Sale nearMadison, WI

How much does the Audi A6 cost in today's market?

Used Audi A6 prices span a wide range depending on model year. Here's what the market looks like right now:

The Audi A6's current nationwide average price is $26,787, and its lowest point over the past year was $21,969. Recently, prices have come down for the 2023, 2024, and 2025 models, making now a good time to shop recent model years.

Is the Audi A6 a good car?

Yes — the Audi A6 is a strong used luxury-sedan choice if you want a polished mix of comfort, technology, and premium feel. The all-generations owner rating is 4.59/5 across every model year in the data.

Owners repeatedly praise the A6 for its comfortable interiors, smooth handling, and strong performance, especially on longer drives. The model also earns consistent credit for its advanced technology and upscale cabin design, which help it feel refined and modern across generations.

Expert reviews rate the 2019 and 2026 models among the highest across all years.

The main trade-offs show up in recent expert-tested years: interior materials can feel less impressive than you might expect, the infotainment experience can be frustrating, and the driving experience can feel less polished than the rest of the package.

34.9% of listings are priced as good or great deals.

Are Audi A6 models reliable?

Owners consistently praise the Audi A6 for its comfort, performance, and premium feel, and expert coverage reinforces its strong technology-forward character and composed road manners. Across the model range, you’ll also see repeated praise for the cabin, handling, and long-distance drivability.

• Owners rate the Audi A6 between 3.86 and 5.0 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is tied more to maintenance and repair costs than to the basic appeal of the car itself, so a well-documented service history matters.

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

Across all model years, accident-free inventory is solid at 77.5% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2020 models.

Key things to evaluate:

• Safety package: adaptive cruise control, forward-collision warning, automatic emergency braking, rear cross-traffic alert, blind-spot monitors, traffic-sign recognition, parking sensors, and lane-departure warning
• Infotainment: standard wireless Apple CarPlay and Android Auto
• Fuel efficiency: EPA-rated 23 mpg combined (20 mpg city, 29 mpg highway)

Which Audi A6 trim should I buy?

The 2026 Audi A6 offers these trims:

• Premium: the base A6 Premium brings the standard turbocharged V6, standard quattro all-wheel drive, and 19-inch wheels with all-season run-flat tires.
• Premium Plus: this trim adds adaptive cruise assist with automated lane centering, a 360-degree camera system, and a park-assist system.
• Prestige: the top trim adds adaptive air suspension, and it can be paired with the Sport Plus Package for rear-axle steering and a sport rear differential; the S Line Black Optic Package also adds a sportier front bumper, blacked-out trim, and dark chrome 20-inch wheels.

What Audi A6 do most buyers choose?

The Audi A6 years with the most listings are 2018, 2024, and 2023.

Higher-volume years tend to draw more shoppers because they give you more inventory to compare, more pricing spread to work with, and a better chance of finding the trim and condition you want.

What is the Audi A6's resale value?

Most model years are down year over year, which creates more room for used buyers to find value. The steepest drops are concentrated in newer years, while a few older years are falling more slowly and therefore showing smaller price changes.

The 2023, 2015, and 2016 model years have held their value best, with the smallest year-over-year price changes.

Is the Audi A6 safe?

• 2026: 6/10
• 2019: 10/10

The 2026 A6 comes standard with adaptive cruise control, forward-collision warning, automatic emergency braking, rear cross-traffic alert, blind-spot monitors, traffic-sign recognition, parking sensors, and lane-departure warning.

For the safest used buy, the 2019 model posts the highest confirmed score of 10/10.

Should I buy a used Audi A6 now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −14.32% versus a year ago, and the 2024 model is at −20.19%.
• Deal availability: The 2025 model has 36.4% good and great deals, and the 2024 model has 39.3%.
• Sweet-spot year: The 2018 model has the most listings at a current average price of $16,587. The Audi A6 offers a premium cabin, understated styling, and a comfortable long-distance character that make it easy to live with.

Consider waiting if:

• Powertrain/efficiency: The latest A6 uses a turbocharged 3.0-liter V6 with 362 horsepower and 406 pound-feet of torque, paired with a seven-speed dual-clutch transmission and standard quattro all-wheel drive.
• Tech: The latest A6 brings a standard 11.9-inch digital instrument cluster and 14.5-inch touchscreen, plus standard wireless Apple CarPlay and Android Auto.
• Safety: The latest A6 adds adaptive cruise assist with automated lane centering and a 360-degree camera system on Premium Plus and Prestige trim levels.
• Starting price: Pricing starts at $65,395 for the base A6 Premium.

If you're buying used today, the 2018 model year offers the best mix of value and availability. If you want the latest tech and features, it may be worth waiting for the next model year's inventory to build up.

These recommendations are based on CarGurus' proprietary market data from September 15, 2026, CarGurus experts' opinions, and generative AI.