2018 Audi S4
VIN
WAUC4AF40JA120486
This 2018 Audi S4 is listed at $28,293 with 66,903 miles in St. Charles, IL.
Market Price Range
Below market
$19,105
Typical price
$22,995
Above market
$29,799
Based on
21
comparable same-build listings.
above typical price
Market data as of July 26, 2026
Vehicle Decode
- Body
- Sedan/Saloon
- Engine
- 3.0L · V6 · Gasoline
- HP
- 354
- Drive
- AWD/All-Wheel Drive
- Trans
- Automatic
- Doors
- 4
- Made by
- AUDI AG
Safety
- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Audi Exchange Saint Charles | St. Charles, IL 60174 | $28,293 | 66,903 mi | 2026-07-24 |
| The Audi Exchange St. Charles | St. Charles, IL 60174 | $28,293 | 66,903 mi | 2026-07-24 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Audi Exchange Saint Charles | St. Charles, IL 60174 | — | 66,894 mi | 2026-06-23 |
| Brighton Motors LLC | BRIGHTON, MI 60053 | $43,999 | 37,862 mi | 2021-10-17 |
