The average asking price for a used 2018 Audi A5 Sportback is $17,270, with 85,837 miles on average, across 114 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| California | $19,342 | 63,887 | 18 | 65 |
| Florida | $16,737 | 91,461 | 14 | 115 |
| Texas | $15,127 | 100,340 | 12 | 68 |
| Virginia | $17,524 | 89,632 | 11 | 84 |
| Massachusetts | $16,706 | 88,930 | 8 | 176 |
| New Jersey | $17,558 | 82,723 | 8 | 54 |
| Illinois | $17,746 | 64,968 | 5 | 89 |
| Washington | $18,852 | 82,168 | 5 | 240 |
Used 2018 Audi A5 Sportbacks for sale at U.S. dealers ask $17,270 on average (half ask less than $17,043), across 114 cars. The cars for sale have 85,837 miles on average: one with fewer miles is worth more, and one with more is worth less. To check one car's price against cars of its trim and mileage, enter its VIN in OttoQuest's free Deal Check.
Among states with at least 10 for sale, Texas has the lowest average asking price, $15,127 across 12 cars with 100,340 miles on average, and California the highest, $19,342 across 18 with 63,887 miles on average. Part of a gap between states is mileage and trim, not the state.
The 109 for sale with a listing date have been listed 95 days on average. A car listed much longer than that, or one whose price has already been cut, usually leaves more room to negotiate.
The 2018 asks $17,270 on average with 85,837 miles; the 2019 asks $19,630 with 76,062 miles.
Used and certified cars for sale at US dealers, each car counted once. Days listed are the dealer’s own days on market where they publish it. Price moves compare the same cars at both ends of the window.
