Used Audi S5 for Sale nearSan Marcos, CA

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 $40,890, and its nationwide average price reached a low of $29,496 over the past year. Recently, prices have come down for the 2018, 2019, and 2022 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 4.7/5 across every model year in the data.

Owners consistently praise the S5 for its powerful performance, stylish design, engaging driving experience, smooth handling, luxurious interiors, and advanced technology features. The model also gets recurring credit for quick acceleration and all-wheel-drive capability.

Expert reviews rate the 2025 and 2026 models among the highest across all years.

The main trade-offs that come up in expert reviews are uninspired styling, observed city fuel economy, and unintuitive technology.

32.8% of listings are priced as good or great deals.

Are Audi S5 models reliable?

Owners and experts consistently describe the Audi S5 as a rewarding performance car with strong acceleration, polished handling, and a premium-feeling cabin. Across the years in the data, it also earns praise for its engaging driving character and upscale technology.

• 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 maintenance history, accident records, and the condition of high-value performance and technology features before you buy.

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

Across all model years, accident-free inventory is solid at 77.9% — 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: 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, and wireless Apple CarPlay and Android Auto are 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 version of the S5 experience, including the available adaptive air suspension, Adaptive Cruise Assist with lane-centering assist, top-down and 3D camera views, rear automatic emergency braking, semi-autonomous parking assist technology, and the available front-passenger display. It suits you if you want the most advanced tech and convenience features in the lineup.

What Audi S5 do most buyers choose?

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

Higher-volume years tend to be popular because they give you more inventory to compare, which can make it easier to find the right color, mileage, and price combination. They also often sit in the sweet spot between newer features and broader used-market availability.

What is the Audi S5's resale value?

The table shows broad downward movement in current pricing, which can work in your favor if you're shopping used. The declines are strongest on the older model years, while the 2022 model is also down but by a smaller amount than the others shown.

The 2022, 2018, and 2019 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. The highlights include forward-collision warning, automatic emergency braking, blind-spot monitors, rear cross-traffic alert, an exit warning system, and lane-departure warning. The S5 also has 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 2022 model is at −5.42% versus a year ago, and the 2019 model is at −8.7%.
• Deal availability: The 2022 model has 37.1% good and great deals.
• Sweet-spot year: The 2024 model has the most listings. The Audi S5 offers a rewarding blend of performance, luxury, and everyday usefulness.

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 the S5 is also less fuel efficient than the A5, with a rating of 23 mpg combined.
• 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’s hands-on-detection steering wheel makes using Adaptive Cruise Assist more enjoyable.
• 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. If you want the more engaging drive, the S5 stands out; if you prioritize a smoother ride and a lower starting MSRP, the C-Class has the edge.

These recommendations are based on CarGurus' proprietary market data from October 27, 2026, CarGurus experts' opinions, and generative AI.