Used Audi S5 for Sale nearBoulder, MT

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 $46,989, and its nationwide average price reached a low of $29,343 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 across the lineup, and the all-generations owner rating is 4.66/5 across every model year in the data. Owners consistently praise its powerful performance, stylish design, engaging driving experience, smooth handling, luxurious interiors, and advanced technology features.

Expert reviews rate the 2025 model among the highest across all years.

The main trade-offs called out by experts are uninspired styling, highway noise, and driver-assist tech that feels less impressive than the rest of the package.

35.3% of listings are priced as good or great deals.

Are Audi S5 models reliable?

Owners consistently rate the Audi S5 highly, with praise centered on its performance, styling, technology, and driving enjoyment. Expert feedback also points to a well-rounded luxury-sport character with strong power and a polished cabin.

• Owners rate the Audi S5 between 4.0 and 5.0 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is shaped more by upkeep and condition than by broad owner sentiment, so a careful history check and pre-purchase inspection matter.

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

Across all model years, accident-free inventory is solid at 77.3% — 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:

• Infotainment: Audi Digital Stage with an 11.9-inch Audi Virtual Cockpit digital instrumentation screen and a 14.5-inch Audi Multi Media Interface (MMI) touchscreen infotainment system.
• Fuel efficiency: The official EPA fuel economy rating dips from 23 mpg to 22 mpg in combined city and highway driving. We averaged 21.8 mpg on our Southern California testing loop, driving primarily in Balanced mode.

Which Audi S5 trim should I buy?

The 2025 Audi S5 offers these trims:

• Premium: The entry trim includes a comprehensive driver-assistance suite, the Audi Digital Stage display, and the core S5 performance hardware, making it the value-focused choice.
• Premium Plus: This trim adds a helpful head-up display, a 20-speaker Bang & Olufsen sound system with 3D audio, Adaptive Cruise Assist, a surround-view camera system, and Park Assist Plus.
• Prestige: This trim adds the front passenger touchscreen, adaptive-damping sport suspension, and the most upscale cabin presentation, making it the best fit if you want the fullest feature set.

What Audi S5 do most buyers choose?

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

Higher-volume years usually give you more shopping choice, which can make it easier to compare prices, trims, and condition across a wider set of listings.

What is the Audi S5's resale value?

Used prices are moving lower, which can create better opportunities for shoppers who want to buy into the model at a more favorable point. The change shown here is a sharp drop, so it stands out as a meaningful shift rather than a small adjustment.

The 2018 model years have held their value best, with the smallest year-over-year price changes.

Is the Audi S5 safe?

• 2025: 4/10

The 2025 Audi S5 Premium includes a comprehensive driver-assistance suite with forward collision warning, automatic emergency braking, lane departure warning, blind-spot monitoring, rear cross-traffic alert, adaptive cruise control, automatic high-beam headlights, traffic sign recognition, front and rear parking sensors, safe exit warning, and Emergency Assist.

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

Buy now if:

• Price trend: The 2018 model is at −9.69% versus a year ago.
• Deal availability: The 2018 model has 37.1% good and great deals.
• Sweet-spot year: The 2024 model has the most listings. The Audi S5 offers a sporty, upscale character with strong performance and a practical liftback body style.

Consider waiting if:

• Powertrain/efficiency: The new Audi S5 Sportback features a turbocharged 3.0-liter V6 engine, a seven-speed dual-clutch automated manual transmission (DCT), 362 horsepower, 406 pound-feet of torque, and 22 mpg in combined city and highway driving.
• Tech: The S5 includes an 11.9-inch Audi Virtual Cockpit digital instrumentation screen, a 14.5-inch Audi Multi Media Interface (MMI) touchscreen infotainment system, and a 10.9-inch touchscreen for the front passenger.
• Safety: The latest model adds Adaptive Cruise Assist, which brings lane-centering assist together with adaptive cruise control, plus a surround-view camera system with guidance lines and Park Assist Plus.
• Starting price: Trim levels include Premium, Premium Plus, and Prestige variants ranging in price from $63,995 to $71,545, including the $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.

These recommendations are based on CarGurus' proprietary market data from October 6, 2026, CarGurus experts' opinions, and generative AI.