Used Gray Audi A6 for Sale inMonticello, IA
48 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2026
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 8,042
- Stock #:
- XDX023366
- VIN:
- WAU25CFN8TN023366
Sponsored Listing
2026 Audi A6
quattro Premium Plus 55 TFSI
8,042 mi
Davenport, IA
55 mi away
Good Deal
$54,259
- Year:
- 2026
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 8,042
- Stock #:
- XDX023366
- VIN:
- WAU25CFN8TN023366
2026 Audi A6
quattro Premium Plus 55 TFSI
8,042 mi
Davenport, IA
55 mi away
Good Deal
$54,259
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 120,754
- Stock #:
- STK71714T
- VIN:
- WAUL2AF26KN071714
Price drop
-$2,276
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
120,754 mi
Home delivery from Westfield, IN
Price includes $302 shipping
Great Deal
$16,577
$14,301
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 83,569
- Stock #:
- 133738
- VIN:
- WAUFGAFC4GN133738
2016 Audi A6
3.0T quattro Premium Plus Sedan AWD
83,569 mi
Home delivery from Bloomington, IL
Price includes $168 shipping
Good Deal
$15,540
- 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
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 86,940
- Stock #:
- 1119
- VIN:
- WAUL2AF2XKN023942
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
86,940 mi
Home delivery from Salisbury, NC
Price includes $727 shipping
Good Deal
$20,716
- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- 7-Speed Automatic
- Mileage:
- 64,873
- Stock #:
- NU3560
- VIN:
- WAUE3BF2XPN059536
2023 Audi A6
quattro Premium Plus 45 TFSI
64,873 mi
Home delivery from Naperville, IL
Price includes $480 shipping
Fair Deal
$29,891
- 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:
- 74,198
- Stock #:
- 046351
- VIN:
- WAUM2AF28KN046351
2019 Audi A6
55 TFSI quattro Prestige Sedan AWD
74,198 mi
Home delivery from North Kansas City, MO
Price includes $276 shipping
Fair Deal
$25,168
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Engine:
- 340 hp 3L V6
- Exterior color:
- Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 82,984
- Stock #:
- TA6272B
- VIN:
- WAUF3AFC2JN074501
Price drop
-$500
2018 Audi A6
82,984 mi
Home delivery from Ottawa, IL
Price includes $134 shipping
Fair Deal
$19,544
$19,044
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Transmission:
- 7-Speed Dual Clutch
- Mileage:
- 84,487
- Stock #:
- 074271
- VIN:
- WAUL2AF22KN074271
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
84,487 mi
Home delivery from Pompano Beach, FL
Price includes $1,268 shipping
Good Deal
$21,606
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Vesuvius Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 45,359
- Stock #:
- PM7116A
- VIN:
- WAUL2AF27KN062178
New arrival
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
45,359 mi
Home delivery from Hoffman Estates, IL
Price includes $356 shipping
Fair Deal
$26,766
- Year:
- 2022
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Daytona Gray Pearl Effect
- Fuel type:
- Gasoline
- Interior color:
- Black w/ Rock Gray Stitching
- Transmission:
- 7-Speed Automatic
- Mileage:
- 37,680
- Stock #:
- H9574
- VIN:
- WAUK2BF22NN060747
2022 Audi A6
quattro Premium 55 TFSI
37,680 mi
Home delivery from Downers Grove, IL
Price includes $248 shipping
Good Deal
$32,503
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 67,206
- Stock #:
- D0580
- VIN:
- WAUL2AF25KN079755
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
67,206 mi
Home delivery from Grand Junction, CO
Price includes $1,306 shipping
Fair Deal
$23,596
- 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
- Transmission:
- 7-Speed Automatic
- Mileage:
- 34,922
- Stock #:
- 27603G
- VIN:
- WAUE3BF20PN065863
Price drop
-$1,220
2023 Audi A6
quattro Premium Plus 45 TFSI
34,922 mi
Home delivery from Highland Park, IL
Price includes $346 shipping
Good Deal
$33,398
$32,178
- Year:
- 2015
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 220 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- Automatic
- Mileage:
- 92,542
- Stock #:
- 7508
- VIN:
- WAUGFAFC9FN034659
2015 Audi A6
2.0T quattro Premium Plus Sedan AWD
92,542 mi
Home delivery from Addison, IL
Price includes $328 shipping
Good Deal
$11,981
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 108,463
- Stock #:
- 069648
- VIN:
- WAUC8AFC1JN069648
2018 Audi A6
2.0T Sport Sedan FWD
108,463 mi
Home delivery from Houston, TX
Price includes $1,329 shipping
Good Deal
$14,028
- Year:
- 2024
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 54,387
- Stock #:
- JU18856
- VIN:
- WAUE3BF20RN037077
2024 Audi A6
quattro Premium Plus 45 TFSI
54,387 mi
Home delivery from Des Plaines, IL
Price includes $507 shipping
Good Deal
$27,380
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Gray Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 85,040
- Stock #:
- NS1728
- VIN:
- WAUF8AFC3HN066855
2017 Audi A6
2.0T quattro Premium Sedan AWD
85,040 mi
Home delivery from Westfield, IN
Price includes $453 shipping
Fair Deal
$17,465
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Vesuvius Gray Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 88,410
- Stock #:
- 28554C
- VIN:
- WAUL2AF29KN055085
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
88,410 mi
Home delivery from Lilburn, GA
Price includes $1,040 shipping
Good Deal
$20,762
- Year:
- 2026
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 3L V6
- Exterior color:
- Chronos Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black Leather
- Transmission:
- 7-Speed Automatic
- Mileage:
- 800
- Stock #:
- 26432AA
- VIN:
- WAU65CFN8TN039150
2026 Audi A6
quattro Prestige 55 TFSI
800 mi
Home delivery from St Louis, MO
Price includes $520 shipping
Fair Deal
$64,080
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 116,099
- Stock #:
- 019494
- VIN:
- WAUF8AFC7JN019494
2018 Audi A6
2.0T quattro Premium Sedan AWD
116,099 mi
Home delivery from Houston, TX
Price includes $1,335 shipping
Good Deal
$13,510
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Dual Clutch
- Mileage:
- 107,501
- Stock #:
- D025142
- VIN:
- WAUM2AF24KN025142
2019 Audi A6
55 TFSI quattro Prestige Sedan AWD
107,501 mi
Home delivery from Garland, TX
Price includes $884 shipping
Good Deal
$20,025
- Year:
- 2012
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 310 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 124,723
- Stock #:
- 20067714
- VIN:
- WAUHGAFC4CN098024
2012 Audi A6
3.0T quattro Prestige Sedan AWD
124,723 mi
Home delivery from Omaha, NE
Price includes $258 shipping
Fair Deal
$11,257
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 60,343
- Stock #:
- 254322021
- VIN:
- WAUF8AFC8HN052174
2017 Audi A6
2.0T quattro Premium Sedan AWD
60,343 mi
Home delivery from Pittsburgh, PA
Free home delivery
Fair Deal
$20,377
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 92,569
- Stock #:
- 056528
- VIN:
- WAUGFAFC3GN056528
2016 Audi A6
2.0T quattro Premium Plus Sedan AWD
92,569 mi
Home delivery from Roswell, GA
Price includes $1,011 shipping
Good Deal
$13,169
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