1999 Audi A6
WAUDA24B2XN035431
Saint Louis, MO
This 1999 Audi A6 is listed at $5,500 with 171,007 miles in Saint Louis, MO.
Price history for this VIN
Asking prices recorded across 2 listing dates for VIN WAUDA24B2XN035431, spanning 8 months.
Active listing
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| St Louis Auto Car Sales | Saint Louis, MO 63103 | $5,500 | 171,007 mi | 2026-05-20 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| St Louis Auto Car Sales | Saint Louis, MO 63103 | $5,500 | 171,007 mi | 2025-09-25 |
What would this 1999 Audi A6 cost per month?
Estimate the monthly payment on a $5,500 vehicle. Move the numbers to match your own loan.
Estimate only. Excludes tax, title, registration and dealer fees, and assumes a fixed-rate loan with equal monthly payments. Your actual rate depends on your credit and lender.
Decoded from the VIN
NHTSA build data for WAUDA24B2XN035431Full factory specs for this build →
- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
Fuel economy (EPA)
Assumes 15,000 miles a year at $3.10/gallon and 19 MPG combined.
5-year cost to own
Beyond the sticker: what this 1999 Audi A6 likely costs over five years at 15,000 mi/yr.
Estimate — insurance and taxes vary by driver and state.
Safety & recalls
NHTSA crash tests & recall campaigns for this model yearThe 1999 Audi A6 has 9 recall campaigns as of August 2026. EPA combined fuel economy: 19 MPG.
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AIR BAGSVolkswagen Group of America, Inc. (VW) is recalling certain 2000-2001 TT Roadster, 2000 TT Coupe, 1999 Audi A8, 1998-2000 Audi A6, and 1999-2000 Audi A4 vehicles equipped with…NHTSA campaign 20V056000
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ELECTRICAL SYSTEMON CERTAIN PASSENGER VEHICLES EQUIPPED WITH HALOGEN LOW BEAM HEADLIGHTS, CERTAIN CONNECTOR PINS IN THE HEADLIGHT SWITCH CONNECTOR COME INTO CONTACT WITH EACH OTHER CAUSING A…NHTSA campaign 06V198000
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FUEL SYSTEM, GASOLINEVEHICLE DESCRIPTION: PASSENGER VEHICLES. SULFUR IN FUEL INTERACTS WITH CERTAIN ADDITIVES FOUND IN WIDELY AVAILABLE GASOLINE CAUSING SULFUR TO BECOME DEPOSITED ON THE CONTACT…NHTSA campaign 01V157000
Recall campaigns apply to the model year, not to one car. Check remedy status for this VIN at nhtsa.gov/recalls.
Model-level data for the 1999 Audi A6 from NHTSA (recalls, NCAP crash tests) and EPA fueleconomy.gov, refreshed August 12, 2026.
Market by model year
What each model year costs right now — live supply, median asking price and how much value each year keeps versus the newest one.
| Year | Units for sale | Median price | vs newest | Avg mileage |
|---|---|---|---|---|
| 2027 | 42 | $79,277 | 100% | — |
| 2026 | 1,200 | $72,510 | 91% | 975 mi |
| 2025 | 121 | $46,778 | 59% | 8,042 mi |
| 2024 | 281 | $30,000 | 38% | 45,995 mi |
| 2023 | 329 | $34,800 | 44% | 33,183 mi |
| 2022 | 65 | $31,447 | 40% | 52,052 mi |
| 2021 | 126 | $26,878 | 34% | 62,277 mi |
| 2020 | 102 | $23,808 | 30% | 68,213 mi |
Units for sale — listings of each model year in the latest nightly market snapshot.