Used Audi S5 for Sale nearSouth Portland, ME

How much does the Audi S5 cost in today's market?

Used Audi S5 prices span a wide range depending on model year. Here's what the market looks like right now:

The Audi S5's current nationwide average price is $41,969, and its nationwide average price reached a low of $29,267 over the past year. Recently, prices have come down for the 2018 models, making now a good time to shop recent model years.

Is the Audi S5 a good car?

Yes — the Audi S5 earns strong marks from owners for its powerful performance, stylish design, and engaging driving experience. The all-generations owner rating is 4.7/5 across every model year in the data.

Owners also consistently praise the smooth handling, luxurious interiors, advanced technology features, and quick acceleration, with all-wheel-drive capability adding to the car’s appeal. Expert reviews rate the 2025 and 2026 models among the highest across all years.

The main trade-offs are the styling, city fuel economy, and technology experience, along with highway noise and driver-assistance tech on recent models. 30.5% of listings are priced as good or great deals.

Are Audi S5 models reliable?

Owners consistently praise the Audi S5 for its powerful performance, smooth handling, and luxurious feel, and the expert review data reinforces that it delivers an engaging driving experience with strong hardware. The model also earns repeat praise for its advanced technology and all-wheel-drive confidence.

• Owners rate the Audi S5 between 4 and 5 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is best managed by checking service history carefully and focusing on well-kept examples with clean records.

What should I look for when buying a used Audi S5?

Across all model years, accident-free inventory is solid at 76.8% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2021 models.

Key things to evaluate:

• Safety package: The Audi S5 has a long list of standard driver-assistance features, including forward-collision warning, automatic emergency braking, blind-spot monitors, rear cross-traffic alert, an exit warning system, lane-departure warning, adaptive cruise control, traffic sign recognition, front and rear parking sensors, and a surround-view camera system.
• Infotainment: In standard specification, the 2026 Audi S5 pairs an 11.9-inch digital driver display with a 14.5-inch Multi Media Interface (MMI) touchscreen infotainment system, with wireless Apple CarPlay and Android Auto standard.
• Fuel efficiency: The S5 is also less fuel efficient than the A5, with a rating of 23 mpg combined (vs. 26 mpg for the A5). We observed 22.5 on our fuel-economy testing route, with the car in Balanced mode and the transmission in its normal setting. On our mountainous Southern California evaluation loop, it averaged 21.6 mpg with the car’s Dynamic mode engaged for the canyon run.

Which Audi S5 trim should I buy?

The 2026 Audi S5 offers these trims:

• Prestige: The Prestige trim adds the most fully equipped presentation in the expert review, including the available front-passenger display, top-down and 3D camera views, rear automatic emergency braking, semi-autonomous parking assist technology, and Adaptive Cruise Assist with lane-centering assist. It also brings the hands-on-detection steering wheel and the available adaptive air suspension, making it the best fit if you want the most advanced tech and convenience features.

What Audi S5 do most buyers choose?

The Audi S5 years with the most listings are 2024, 2025, and 2023.

Higher-volume years usually draw more shoppers because they offer a broader selection of listings and more chances to find the right color, mileage, and equipment mix. They also tend to be the easiest years to compare side by side when you’re shopping used.

What is the Audi S5's resale value?

The table shows a clear downward move in price, which can work in your favor if you’re shopping used. A drop of this size gives you more room to find value, especially if you’re comparing similar listings across the same model year. The 2018 model years have held their value best, with the smallest year-over-year price changes.

Is the Audi S5 safe?

• 2026: 7/10
• 2025: 4/10

The Audi S5 has a long list of standard driver-assistance features, including forward-collision warning, automatic emergency braking, blind-spot monitors, rear cross-traffic alert, an exit warning system, lane-departure warning, adaptive cruise control, traffic sign recognition, front and rear parking sensors, and a surround-view camera system.

For the safest used buy, the 2026 model posts the highest confirmed score of 7/10.

Should I buy a used Audi S5 now or wait for the next model?

Buy now if:

• Price trend: The 2018 model is at −8.01% versus a year ago.
• Deal availability: The 2018 model has 31.7% good and great deals.
• Sweet-spot year: The 2024 model has the most listings. The Audi S5 offers a compelling blend of sportiness and luxury, with engaging driving dynamics and a practical cabin that works well for everyday use.

Consider waiting if:

• Powertrain/efficiency: A turbocharged 3.0-liter V6 engine lives under the Audi S5’s hood, making a robust 362 horsepower and 406 pound-feet of torque, and Audi claims the S5 accelerates to 60 mph in 4.3 seconds.
• Tech: In standard specification, the 2026 Audi S5 pairs an 11.9-inch digital driver display with a 14.5-inch Multi Media Interface (MMI) touchscreen infotainment system, and wireless Apple CarPlay and Android Auto are standard.
• Safety: The Audi S5 has a long list of standard driver-assistance features, and the Prestige trim adds Adaptive Cruise Assist with lane-centering assist, top-down and 3D camera views, rear automatic emergency braking, and semi-autonomous parking assist technology.
• Starting price: For this model year, Audi S5 prices start at $64,595, including a $1,295 destination charge.

If you're buying used today, the 2024 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.

How does the 2026 Audi S5 compare to the 2022 Mercedes-Benz C-Class?

Expert Pros & Cons (per CarGurus review team)

2026 Audi S5:

• Pros: Fun to drive, Plenty of cargo space, Satisfying audio system.
• Cons: Uninspired styling, Observed city fuel economy, Unintuitive technology.

2022 Mercedes-Benz C-Class:

• Pros: Stylish design, Great ride quality, Impressive technology.
• Cons: Irritating transmission, Sluggish performance.

Our experts score the 2026 Audi S5 6.8/10 and the 2022 Mercedes-Benz C-Class 7.8/10. The Audi S5 brings stronger performance and more cargo space, while the C-Class leans into stylish design, ride quality, and technology. The C-Class also posts better fuel economy in the side-by-side specs, while the S5 counters with a more powerful V6 and a much smaller listing pool.

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