Used Audi A6 for Sale near Saint Charles, MO
277 results
- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Manhattan Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black Leather
- Transmission:
- 7-Speed Automatic
- Mileage:
- 38,232
- Stock #:
- 114060M
- VIN:
- WAUE3BF29PN003622
Sponsored by Bommarito Buick GMC West County
2023 Audi A6
quattro Premium Plus 45 TFSI
38,232 mi
$34,000
- Year:
- 2022
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Glacier White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 62,647
- Stock #:
- A86827
- VIN:
- WAUL2BF21NN008353
Sponsored Listing
2022 Audi A6
quattro Premium Plus 55 TFSI
62,647 mi
$30,618
- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 29,346
- Stock #:
- KP01104
- VIN:
- WAUK2BF25PN025798
Sponsored Listing
2023 Audi A6
quattro Premium 55 TFSI
29,346 mi
$37,514
- Year:
- 2022
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Glacier White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 62,647
- Stock #:
- A86827
- VIN:
- WAUL2BF21NN008353
2022 Audi A6
quattro Premium Plus 55 TFSI
62,647 mi
$30,618
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Moonlight Blue
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Atlas Beige)
- Transmission:
- Automatic
- Mileage:
- 83,960
- Stock #:
- A0477
- VIN:
- WAUFGAFC5GN195360
2016 Audi A6
3.0T quattro Premium Plus Sedan AWD
83,960 mi
$15,435
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Daytona Gray Pearl
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 74,929
- Stock #:
- 057176
- VIN:
- WAUL2AF20KN057176
-$1,115
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
74,929 mi
$21,440
$20,325
- Year:
- 2026
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 3,255
- Stock #:
- KL306
- VIN:
- WAU55CFN1TN024517
-$1,716
2026 Audi A6
quattro Premium Plus 55 TFSI
3,255 mi
$61,230
$59,514
- Year:
- 2024
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Manhattan Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 67,254
- Stock #:
- B11212
- VIN:
- WAUE3BF26RN019506
2024 Audi A6
quattro Premium Plus 45 TFSI
67,254 mi
$25,698
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 97,745
- Stock #:
- 77841
- VIN:
- WAUGFAFC2GN077841
2016 Audi A6
2.0T quattro Premium Plus Sedan AWD
97,745 mi
$12,005
- Year:
- 2015
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 310 hp 3L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 110,522
- Stock #:
- 2254
- VIN:
- WAUHGAFC6FN025001
2015 Audi A6
3.0T quattro Prestige Sedan AWD
110,522 mi
$13,664
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Brilliant Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 60,549
- Stock #:
- 2D5798A
- VIN:
- WAUFGAFCXGN012633
2016 Audi A6
3.0T quattro Premium Plus Sedan AWD
60,549 mi
$18,291
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,553
- Stock #:
- 034969
- VIN:
- WAUGFAFC0GN034969
2016 Audi A6
2.0T quattro Premium Plus Sedan AWD
57,553 mi
$17,266
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- 8-Speed Automatic
- Mileage:
- 77,145
- Stock #:
- 48563
- VIN:
- WAUGFAFC9GN147559
-$320
2016 Audi A6
2.0T quattro Premium Plus Sedan AWD
77,145 mi
$14,825
$14,504
Recommended model year:
2019 Audi A6
Shop 2019 Audi A6 »With 581 currently listed for sale and an average price of $22,900.00, 32.2% of 2019 Audi A6 models for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2019 Audi A6 4.89 / 5 stars.
70.6% of 2019 Audi A6 models on CarGurus are accident free.
The 2019 Audi A6 stands out with its powerful 3.0 T engine, advanced technology features, and luxurious interior design.
- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Mythos Black Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 13,866
- Stock #:
- P008454
- VIN:
- WAUE3BF26PN008454
2023 Audi A6
quattro Premium Plus 45 TFSI
13,866 mi
$35,744
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- [W1] Moonlight Blue Metallic
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 72,150
- Stock #:
- 167185
- VIN:
- WAUGFAFC6GN167185
![[W1] Moonlight Blue Metallic 2016 Audi A6 2.0T quattro Premium Plus Sedan AWD Sedan All-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/05/24/03/24/2016_audi_a6-pic-742660122597437506-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2016 Audi A6
2.0T quattro Premium Plus Sedan AWD
72,150 mi
$16,239
- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Black Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 23,142
- Stock #:
- PJD04543
- VIN:
- WAUE3BF25PN067026
2023 Audi A6
quattro Premium Plus 45 TFSI
23,142 mi
$38,110
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 248 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 64,047
- Stock #:
- 13588
- VIN:
- WAUE8AF27KN120328
2019 Audi A6
45 TFSI quattro Premium Plus Sedan AWD
64,047 mi
$21,495
- Year:
- 2022
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Chronos Gray Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Okapi Brown
- Transmission:
- Automatic
- Mileage:
- 36,677
- Stock #:
- 10251
- VIN:
- WAUL2BF25NN056177
-$1,000
2022 Audi A6
quattro Premium Plus 55 TFSI
36,677 mi
$35,838
$34,838
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 74,485
- Stock #:
- 1Y070715
- VIN:
- WAUGFAFC6GN070715
2016 Audi A6
2.0T quattro Premium Plus Sedan AWD
74,485 mi
$14,060
- Year:
- 2015
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 220 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 96,169
- Stock #:
- N029253
- VIN:
- WAUGFAFC0FN029253
2015 Audi A6
2.0T quattro Premium Plus Sedan AWD
96,169 mi
$9,613
- Year:
- 2021
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Mileage:
- 82,935
- Stock #:
- G00348B
- VIN:
- WAUL2AF27MN043942
2021 Audi A6
quattro Premium Plus 55 TFSI AWD
82,935 mi
$25,549
- Year:
- 2024
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 45,493
- Stock #:
- 28385696
- VIN:
- WAUE3BF22RN024699
2024 Audi A6
quattro Premium Plus 45 TFSI
45,493 mi
$30,547
- Year:
- 2026
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 3L V6
- Exterior color:
- Daytona Gray Pearl Effect
- Fuel type:
- Gasoline
- Interior color:
- Muscat Brown Leather
- Transmission:
- 7-Speed Automatic
- Mileage:
- 5,065
- Stock #:
- 360262L
- VIN:
- WAU55CFN1TN024288
Sponsored Listing
2026 Audi A6
quattro Premium Plus 55 TFSI
5,065 mi
$60,900
FAQs
How much does the Audi A6 cost in Saint Charles, MO?
Is the Audi A6 a good car?
How many Audi A6 vehicles in Saint Charles, MO have no reported accidents or damage?
Is the Audi A6 safe?
What fuel types are available?
4.6 Overall rating
Customers say
The Audi A6 has consistently impressed owners across various model years with its blend of luxury, performance, and advanced technology. Reviewers particularly love the comfortable interiors, powerful engines, and smooth handling, making it a joy to drive for long distances. However, many have raised concerns about high maintenance costs and occasional performance issues, such as sluggish acceleration in some models. Overall, the A6 is favored for its reliable performance and luxurious features, though some drivers wish for improved cost efficiency.
AI generated from the text of customer reviews.
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What people say
Austin R
Reviewed a 2012 Audi A6 on Apr 2, 2025
In love with this car. After going from a 2009 Audi A6 to this 2012, I have 0 complaints. Couldn't be happier
Anonymous
Reviewed a 2015 Audi A6 on Sep 23, 2024
Great comfort, handling, torque, quiet, and the fuel mileage on highway is even better than whats listed.
Demetrius C
Reviewed a 2019 Audi A6 on Jul 22, 2025
This car came loaded with every feature I was looking for. Blind spot monitoring, adaptive cruise control, vented seat, ect. I definitely got what I paid for in a good way. I wish the outside of the car had a sleeker design.
Frederick E
Reviewed a 2002 Audi A6 on Jun 21, 2024
Theyre just a beautifully engineered automobile thats not surpassed by any other
Audi A6 Trims
| Trim type | MSRP |
|---|---|
| quattro Prestige 55 TFSI | $71,400 |
| quattro Progressiv TFSI | -- |
| quattro Technik TFSI | -- |
| quattro TFSI | -- |
| quattro Premium 55 TFSI | $64,100 |
| quattro Premium Plus 55 TFSI | $67,500 |
Audi A6 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of Audi A6 prices has changed over time.
See more price trendsCarGurus recommends the 2019 Audi A6
Summary
With 581 currently listed for sale and an average price of $22,900.00, 32.2% of 2019 Audi A6 models for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2019 Audi A6 4.89 / 5 stars.
70.6% of 2019 Audi A6 models on CarGurus are accident free.
The 2019 Audi A6 stands out with its powerful 3.0 T engine, advanced technology features, and luxurious interior design.
Why it stands out
The 2019 Audi A6 sets a new standard among midsize luxury sedans with a radical redesign that retains familiar aesthetics while incorporating cutting-edge technology. Praised for its smooth performance, the A6 is outfitted with a creamy turbocharged 3.0-liter V6 engine that generates 335 horsepower, complemented by a sophisticated Quattro all-wheel-drive system. Noteworthy interior features include the impressive virtual cockpit and dual touchscreen interface, providing both driver assistance and entertainment options. With high-quality materials and advanced driver-assistance technologies, the A6 delivers both comfort and exceptional handling, making it a highly appealing choice for luxury sedan buyers.
Other model years to consider
- Average price: $17,333.00
- Good/great deal percentage: 32.9%
- User rating: 5 / 5
- Total listings: 668
- Average price: $32,399.00
- Good/great deal percentage: 34.4%
- User rating: 5 / 5
- Total listings: 550
- Average price: $13,412.00
- Good/great deal percentage: 31.9%
- User rating: 5 / 5
- Total listings: 565
These recommendations are based on CarGurus' proprietary market data from June 15, 2026, CarGurus experts' opinions, and generative AI.
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