How much does the 2018 Audi A5 Sportback cost?

Prices have softened 9.82% compared to this time last year, making it a favorable time to shop this model year.

There are 325 listings available, which gives you a modest amount of inventory to compare before you buy. If you find a listing below $17,836.09, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2018 Audi A5 Sportback a good car?

Yes — 4.86/5 from owners, and the expert rating is 8.17/10. The standout strength is Look and feel at 10/10.

Owners consistently praise the smooth ride, sporty appearance, and fun driving experience. They also highlight the strong feature set, including advanced tech and comfortable seating. In use-case terms, this model fits you best if you want cargo-hauling practicality in a more upscale, coupe-like package rather than a conventional sedan or SUV.

With 34.2% of listings marked as good or great deals, the market gives you some room to shop selectively.

Is the 2018 Audi A5 Sportback reliable?

Owners rate it 4.86/5, a strong signal of long-term satisfaction.

The owner feedback points to a car that feels smooth, fun, and well-liked over time, while also emphasizing a strong feature set that helps the car feel satisfying to live with. The expert evaluation also describes the A5 Sportback as a car that is enjoyable to drive and built around a premium-feeling experience. Audi’s maintenance coverage adds a small ownership perk through the first scheduled maintenance visit.

For used buyers, the main long-term risk is less about outright durability than about making sure the specific car you choose has been cared for properly and still feels tight, complete, and well-equipped.

What should I look for when buying a used 2018 Audi A5 Sportback?

At 66.5% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and then prioritize a pre-purchase inspection, especially if the car has had bodywork or shows signs of uneven wear. Focus on condition details that matter in a premium hatchback: interior wear, electronics, and whether the car still feels as refined as it should. If you are comparing multiple listings, give extra weight to cars with cleaner histories and better-documented maintenance.

Key things to evaluate:

• Trim level: The base setup includes forward-collision warning and low-to-moderate-speed automatic emergency braking, while Premium Plus adds blind-spot monitoring, rear cross-traffic alert, and Vehicle Exit Assist. Prestige adds front and rear parking sensors, a top-view camera system, and more advanced driver-assistance content.
• Powertrain: The A5 uses a turbocharged 2.0-liter 4-cylinder engine, while the S5 uses a turbocharged 3.0-liter V6. The A5’s engine is tuned for strong everyday performance and efficiency, and every A5 Sportback comes with standard Quattro all-wheel drive.
• Safety package: The standard safety suite includes forward-collision warning, low-to-moderate-speed automatic emergency braking, impact-preparation technology, and post-impact braking. Premium Plus adds blind-spot monitoring, rear cross-traffic alert, and Vehicle Exit Assist, while Prestige adds parking sensors, a top-view camera system, and the Driver Assistance Package.
• Infotainment: Audi Virtual Cockpit uses a 12.3-inch digital instrumentation screen and is optional on Premium Plus and standard on Prestige. The MMI Touch system brings an 8.3-inch display and handwriting recognition, and Audi Connect adds connected services depending on package level.
• Fuel efficiency: The A5 returned 22.5 mpg on the test loop, below its 27 mpg combined EPA rating.

Which 2018 Audi A5 Sportback trim should I buy?

The 2018 Audi A5 Sportback is offered in 3 trim levels: Premium, Premium Plus, Prestige.

Here's the short version:

• Base trim: Premium gives you the core A5 Sportback experience, but you miss out on blind-spot monitoring, rear cross-traffic alert, Vehicle Exit Assist, and the more advanced tech and convenience features that arrive higher up the range.
• Sweet-spot trim: Premium Plus is the best value because it adds blind-spot monitoring, rear cross-traffic alert, Vehicle Exit Assist, and access to more desirable tech upgrades without jumping all the way to the top trim.
• Premium/top trim: Prestige brings the most complete package, including Audi Virtual Cockpit, a head-up display, front and rear parking sensors, a top-view camera system, and the Driver Assistance Package.
• Off-road trim: Not applicable here.

The safety package starts with important standard driver aids, then expands meaningfully on Premium Plus and Prestige.

Is now a good time to buy a used 2018 Audi A5 Sportback?

This is a moderate market for selective buyers, so you can shop with some leverage if you are patient and focused.

• Deal availability: 34.2% of listings are priced as good or great deals.
• Inventory: There are 325 listings available.
• Price trend: Prices have softened 9.82% compared with last year.
• Clean inventory: 66.5% of listings are accident-free.

If you find a listing below $17,836.09, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 Audi A5 Sportback's resale value?

The current average of $17,998 sits slightly below last year's $19,957.

That price movement suggests the market has already adjusted downward, which can help you buy at a more favorable point in the cycle. If you plan to sell later, the current softness means your near-term upside may be limited unless you buy especially well. Well-kept examples with strong equipment and clean histories should still draw interest because this model has a clear appeal to shoppers who want style and utility together.

Vehicles with strong owner satisfaction ratings, like this model year's 4.86/5, tend to retain buyer demand, which supports resale value over time.

Is the 2018 Audi A5 Sportback safe?

It earns an overall score of 5 stars from the federal government, though frontal-impact protection for the driver and front-seat passenger measures four-star.

It earns a 8/10 safety score from our experts.

Every A5 Sportback is equipped with forward-collision warning, low-to-moderate-speed automatic emergency braking, technology that prepares the cabin and occupants for an impact, and post-impact braking to help reduce the risk of a secondary collision. Premium Plus adds blind-spot monitoring, rear cross-traffic alert, and Vehicle Exit Assist. Prestige adds front and rear parking sensors, a top-view camera system, and the Driver Assistance Package with adaptive cruise control, lane-departure warning, lane-keeping assist, automatic high-beam headlights, and traffic-sign recognition.

The main caveat is the lower frontal-impact result, which is worth keeping in mind if safety is a top priority for you.

Should I buy a 2018 Audi A5 Sportback 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:

• 34.2% of listings are priced as good or great deals.
• At 66.5% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 9.82% compared with last year.
• Owners rate it 4.86/5 — a strong satisfaction signal.
• In expert testing, the A5 Sportback stands out for blending style, performance, and utility in a 5-door hatchback body.

The bottom line: If you want the strongest mix of style, practicality, and value, the 2018 is the one to target. If you are especially price-sensitive, keep shopping the market carefully and focus on clean-history examples with the right trim and equipment, because the best cars in this year can still be worth the premium.

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