How much does the 2018 Audi A5 cost?

Prices have softened 8.19% compared to this time last year, making it a favorable time to shop this model year.

There are 198 listings available, which gives you a useful amount of inventory to compare before you commit.

If you find a listing below $19,024.57, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2018 Audi A5 a good car?

Yes — owners rate it 5/5, which points to strong overall satisfaction. The owner feedback highlights elegant design, impressive handling, and advanced features, and it also calls out a sporty yet luxurious feel along with a roomy interior compared with competitors. For you, that means the 2018 A5 makes the most sense if you want a stylish luxury car that still feels usable day to day. With 32.3% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2018 Audi A5 reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction. The owner summary also points to a sporty yet luxurious feel and a roomy interior, while noting that some buyers have faced issues with vehicle condition upon purchase. That makes a careful pre-purchase inspection especially important, since your long-term ownership experience will depend heavily on how well the specific used example was maintained.

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

At 66.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report so you can separate clean examples from cars with prior damage or repeated claims. After that, prioritize a thorough inspection of body panels, paint consistency, interior wear, and any signs that the car’s condition doesn’t match its mileage or asking price. Because this model year is a luxury car with a premium feature set, condition matters a lot more than just the badge on the grille.

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

This is a moderate, selective buyer’s market, so you can shop with some leverage if you focus on the right listings.

• Deal availability: 32.3% of listings are priced as good or great deals.
• Inventory: There are 198 listings available.
• Price trend: Prices have softened 8.19% compared with last year.
• Clean inventory: 66.2% of listings are accident-free.

If you find a listing below $19,024.57, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 Audi A5's resale value?

The current average of $19,267 sits slightly below last year's $20,984.

That price movement suggests the market has already adjusted downward, which can help you buy at a more favorable entry point today. For a future seller, that also means resale value will depend heavily on how well your car is presented, documented, and maintained. A clean history and strong condition should matter more than ever if you want to protect value later.

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

Should I buy a 2018 Audi A5 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:

• 32.3% of listings are priced as good or great deals.
• At 66.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 8.19% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line:

If you want the redesigned A5 with strong owner satisfaction and a market that has softened enough to create opportunities, the 2018 is the primary year to target. If you’re especially price-sensitive, you should still compare nearby years and focus on the cleanest, best-documented example rather than chasing the lowest sticker price alone.

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