• 2.0T
  • 3.2
  • 2.7T
  • 4.2
  • 3.0
  • AWD
  • Well-Equipped
  • Black
  • Great Deal
  • 6 Cyl
  • Low Mileage
  • Sedan
  • CD (Single Disc)
  • MP3
  • Seat Memory
  • Good Deal
  • One Owner
  • White
  • Navigation System
  • Going Fast
  • Rear-View Camera
  • Satellite Radio
  • Lower Than Average Mileage
  • 2014
  • Handsfree/Bluetooth Integration
  • Heated Seats
  • Blue
  • Certified Pre-Owned
  • Keyless Entry
  • 2013
  • Automatic
  • Gray
  • Fair Price
  • 2016
  • 2012
  • 2011
  • 2015
  • Rain-Sensing Wipers
  • 2006
  • 2008
  • Silver
  • 2001
  • 2004
  • Red
  • Wagon
  • 2010
  • 2005
  • FWD
  • 2003
  • 2009
  • 2007
  • 2017
  • 2000
  • Low Fuel Costs

Price Range

$0 $60,000+

Max Mileage

New $80,000+

MPG

Min 14 Max 50

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110 Results for

Used Audi A6 For Sale in Frederick, CO

Search Results

Photo 1: Night Blue Pearl 2011 Audi A6  Prestige in Longmont, CO exterior view from front driver's side
Photo 2: Night Blue Pearl 2011 Audi A6  Prestige in Longmont, CO
Photo 3: cockpit view from driver’s seat 2011 Audi A6  Prestige in Longmont, CO
Photo 4: Night Blue Pearl 2011 Audi A6  Prestige in Longmont, CO exterior view of driver's side
Photo 5: Night Blue Pearl 2011 Audi A6  Prestige in Longmont, CO exterior view from rear passenger side

Automatic / AWD / 6 Cyl
18 mpg city / 26 mpg hwy

  • Get Directions
$24,388

2011 Audi A6 Prestige

87,909 miles Longmont, CO

Photo 1:  2007 Audi A6 4.2 in Loveland, CO exterior view from front driver's side
Photo 2:  2007 Audi A6 4.2 in Loveland, CO
Photo 3: cockpit view from driver’s seat 2007 Audi A6 4.2 in Loveland, CO
Photo 4: interior dashboard and console 2007 Audi A6 4.2 in Loveland, CO
Photo 5: interior dashboard and console 2007 Audi A6 4.2 in Loveland, CO

Automatic / AWD / 8 Cyl
16 mpg city / 23 mpg hwy

  • Get Directions
$11,494

2007 Audi A6 4.2

91,813 miles Loveland, CO

Photo 1:  2015 Audi A6 2.0T Premium Plus in Windsor, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2015 Audi A6 2.0T Premium Plus in Windsor, CO
Photo 3:  2015 Audi A6 2.0T Premium Plus in Windsor, CO exterior view of driver's side
Photo 4:  2015 Audi A6 2.0T Premium Plus in Windsor, CO view of rear bumper
Photo 5:  2015 Audi A6 2.0T Premium Plus in Windsor, CO closeup view of wheel

Automatic / FWD / 4 Cyl
25 mpg city / 33 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$23,799

2015 Audi A6 2.0T Premium Plus

1,237 miles Windsor, CO

Photo 1: 2005 Audi A6 3.2 with  in Littleton, CO

Automatic / AWD / 6 Cyl
17 mpg city / 24 mpg hwy

  • Call Dealer
  • Get Directions
$9,950

2005 Audi A6 3.2

103,087 miles Littleton, CO

Photo 1: Phantom Black Pearl Effect 2014 Audi A6  Premium Plus in Boulder, CO exterior view from front driver's side
Photo 2: Phantom Black Pearl Effect 2014 Audi A6  Premium Plus in Boulder, CO
Photo 3: cockpit view from driver’s seat 2014 Audi A6  Premium Plus in Boulder, CO
Photo 4: interior dashboard and console 2014 Audi A6  Premium Plus in Boulder, CO
Photo 5: Phantom Black Pearl Effect 2014 Audi A6  Premium Plus in Boulder, CO exterior view of passenger side

Automatic / AWD / 6 Cyl
18 mpg city / 27 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$26,680

2014 Audi A6 Premium Plus

67,388 miles Boulder, CO

Photo 1: 2012 Audi A6  Premium with  in Littleton, CO
Photo 2: 2012 Audi A6  Premium with  in Littleton, CO
Photo 3: 2012 Audi A6  Premium with  in Littleton, CO
Photo 4: 2012 Audi A6  Premium with  in Littleton, CO
Photo 5: 2012 Audi A6  Premium with  in Littleton, CO

Automatic / AWD / 6 Cyl
19 mpg city / 28 mpg hwy

  • Call Dealer
  • Get Directions
$28,950

2012 Audi A6 Premium

14,827 miles Littleton, CO

Photo 1: Moonlight Blue Metallic 2014 Audi A6  Premium Plus in Lakewood, CO exterior view from front driver's side

Automatic / AWD / 6 Cyl
18 mpg city / 27 mpg hwy

  • Call Dealer
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$34,241

2014 Audi A6 Premium Plus

17,461 miles Lakewood, CO

Photo 1: 2013 Audi A6  Prestige with  in Longmont, CO

Automatic / AWD / 6 Cyl
18 mpg city / 27 mpg hwy

  • Call Dealer
  • Get Directions
$29,399

2013 Audi A6 Prestige

52,320 miles Longmont, CO

Photo 1: 2014 Audi A6 2.0T Premium with  in Englewood, CO
Photo 2: 2014 Audi A6 2.0T Premium with  in Englewood, CO
Photo 3: 2014 Audi A6 2.0T Premium with  in Englewood, CO
Photo 4: 2014 Audi A6 2.0T Premium with  in Englewood, CO

Automatic / AWD / 4 Cyl
20 mpg city / 29 mpg hwy

  • Call Dealer
  • Get Directions
$28,882

2014 Audi A6 2.0T Premium

21,683 miles Englewood, CO

Photo 1:  2013 Audi A6  Prestige in Englewood, CO exterior view from front driver's side
Photo 2:  2013 Audi A6  Prestige in Englewood, CO
Photo 3: interior dashboard and console 2013 Audi A6  Prestige in Englewood, CO
Photo 4: interior dashboard and console 2013 Audi A6  Prestige in Englewood, CO
Photo 5: interior dashboard and console 2013 Audi A6  Prestige in Englewood, CO

Automatic / AWD / 6 Cyl
18 mpg city / 27 mpg hwy

  • Call Dealer
  • Get Directions
$33,277

2013 Audi A6 Prestige

24,864 miles Englewood, CO

Photo 1: Ibis White 2012 Audi A6  Premium Plus in Boulder, CO exterior view from front driver's side
Photo 2: Ibis White 2012 Audi A6  Premium Plus in Boulder, CO
Photo 3: cockpit view from driver’s seat 2012 Audi A6  Premium Plus in Boulder, CO
Photo 4: Ibis White 2012 Audi A6  Premium Plus in Boulder, CO exterior view of passenger side
Photo 5: Ibis White 2012 Audi A6  Premium Plus in Boulder, CO exterior view from rear driver's side

Automatic / AWD / 6 Cyl
19 mpg city / 28 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$24,582

2012 Audi A6 Premium Plus

63,466 miles Boulder, CO

Photo 1: Ibis White 2015 Audi A6  Prestige in Lakewood, CO exterior view from front driver's side
Photo 2: Ibis White 2015 Audi A6  Prestige in Lakewood, CO
Photo 3: cockpit view from driver’s seat 2015 Audi A6  Prestige in Lakewood, CO
Photo 4: Ibis White 2015 Audi A6  Prestige in Lakewood, CO exterior view of passenger side
Photo 5: Ibis White 2015 Audi A6  Prestige in Lakewood, CO exterior view from rear driver's side

Automatic / AWD / 6 Cyl
18 mpg city / 27 mpg hwy

  • Call Dealer
  • Get Directions
$35,995

2015 Audi A6 Prestige

46,605 miles Lakewood, CO

Photo 1: Phantom Black Pearl Effect 2013 Audi A6 2.0T Premium Plus in Littleton, CO exterior view from front driver's side
Photo 2: Phantom Black Pearl Effect 2013 Audi A6 2.0T Premium Plus in Littleton, CO
Photo 3: interior dashboard and console 2013 Audi A6 2.0T Premium Plus in Littleton, CO
Photo 4: Phantom Black Pearl Effect 2013 Audi A6 2.0T Premium Plus in Littleton, CO front view of grill, headlights, hood and windshield
Photo 5: Phantom Black Pearl Effect 2013 Audi A6 2.0T Premium Plus in Littleton, CO exterior view of passenger side

Automatic / AWD / 4 Cyl
20 mpg city / 30 mpg hwy

  • Call Dealer
  • Get Directions
$23,750

2013 Audi A6 2.0T Premium Plus

63,053 miles Littleton, CO

Photo 1: 2014 Audi A6  Premium Plus with  in Lakewood, CO
Photo 2: 2014 Audi A6  Premium Plus with  in Lakewood, CO
Photo 3: 2014 Audi A6  Premium Plus with  in Lakewood, CO
Photo 4: 2014 Audi A6  Premium Plus with  in Lakewood, CO
Photo 5: 2014 Audi A6  Premium Plus with  in Lakewood, CO

Automatic / AWD / 6 Cyl
18 mpg city / 27 mpg hwy

  • Call Dealer
  • Get Directions
$31,991

2014 Audi A6 Premium Plus

37,139 miles Lakewood, CO

Photo 1: 2014 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 2: 2014 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 3: 2014 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 4: 2014 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 5: 2014 Audi A6 2.0T Premium Plus in Denver, CO

Automatic / AWD / 4 Cyl
20 mpg city / 29 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$27,900

2014 Audi A6 2.0T Premium Plus

50,340 miles Denver, CO

Photo 1:  2012 Audi A6 in Denver, CO exterior view from front driver's side
Photo 2:  2012 Audi A6 in Denver, CO
Photo 3: interior dashboard and console 2012 Audi A6 in Denver, CO
Photo 4: interior dashboard and console 2012 Audi A6 in Denver, CO
Photo 5: 2012 Audi A6 with  in Denver, CO

Automatic / AWD / 6 Cyl
19 mpg city / 28 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$22,999

2012 Audi A6

99,499 miles Denver, CO

Photo 1: 2014 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 2: 2014 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 3: 2014 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 4: 2014 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 5: 2014 Audi A6 2.0T Premium Plus with  in Denver, CO

Automatic / AWD / 4 Cyl
20 mpg city / 29 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$30,329

2014 Audi A6 2.0T Premium Plus

22,919 miles Denver, CO

Photo 1: Glacier White Metallic 2013 Audi A6 2.0T Premium Plus in Aurora, CO exterior view from front driver's side
Photo 2: Glacier White Metallic 2013 Audi A6 2.0T Premium Plus in Aurora, CO
Photo 3: cockpit view from driver’s seat 2013 Audi A6 2.0T Premium Plus in Aurora, CO
Photo 4: Glacier White Metallic 2013 Audi A6 2.0T Premium Plus in Aurora, CO front view of grill, headlights, hood and windshield
Photo 5: Glacier White Metallic 2013 Audi A6 2.0T Premium Plus in Aurora, CO exterior view of driver's side

Automatic / AWD / 4 Cyl
20 mpg city / 30 mpg hwy

  • Call Dealer
  • Get Directions
$24,135

2013 Audi A6 2.0T Premium Plus

60,622 miles Aurora, CO

Photo 1: 2011 Audi A6  Premium Plus with  in Thornton, CO
Photo 2: 2011 Audi A6  Premium Plus with  in Thornton, CO
Photo 3: 2011 Audi A6  Premium Plus with  in Thornton, CO
Photo 4: 2011 Audi A6  Premium Plus with  in Thornton, CO
Photo 5: 2011 Audi A6  Premium Plus with  in Thornton, CO

Automatic / AWD / 6 Cyl
18 mpg city / 26 mpg hwy

  • Call Dealer
  • Get Directions
$17,749

2011 Audi A6 Premium Plus

77,963 miles Thornton, CO

Photo 1: Ibis White 2011 Audi A6 in Englewood, CO
Photo 2: cockpit view from driver’s seat 2011 Audi A6 in Englewood, CO
Photo 3: interior dashboard and console 2011 Audi A6 in Englewood, CO
Photo 4: 2011 Audi A6 with  in Englewood, CO
Photo 5: Ibis White 2011 Audi A6 in Englewood, CO exterior view of passenger side

Automatic / FWD / 6 Cyl
21 mpg city / 30 mpg hwy

  • Call Dealer
  • Get Directions
$17,594

2011 Audi A6

55,731 miles Englewood, CO

Photo 1: Tornado Gray Metallic 2016 Audi A6  Premium Plus in Lakewood, CO exterior view from front driver's side
Photo 2: Tornado Gray Metallic 2016 Audi A6  Premium Plus in Lakewood, CO
Photo 3: cockpit view from driver’s seat 2016 Audi A6  Premium Plus in Lakewood, CO
Photo 4: interior dashboard and console 2016 Audi A6  Premium Plus in Lakewood, CO
Photo 5: Tornado Gray Metallic 2016 Audi A6  Premium Plus in Lakewood, CO exterior view of passenger side

Automatic / AWD / 6 Cyl
20 mpg city / 29 mpg hwy

  • Call Dealer
  • Get Directions
$42,991

2016 Audi A6 Premium Plus

35,785 miles Lakewood, CO

Photo 1: 2011 Audi A6 with  in Denver, CO
Photo 2: 2011 Audi A6 with  in Denver, CO
Photo 3: 2011 Audi A6 with  in Denver, CO
Photo 4: 2011 Audi A6 with  in Denver, CO
Photo 5: 2011 Audi A6 with  in Denver, CO

Automatic / AWD / 6 Cyl
18 mpg city / 26 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$21,999

2011 Audi A6

44,305 miles Denver, CO

Photo 1:  2016 Audi A6  Premium Plus in Lakewood, CO exterior view from front driver's side

Automatic / AWD / 6 Cyl
20 mpg city / 29 mpg hwy

  • Call Dealer
  • Get Directions
$46,988

2016 Audi A6 Premium Plus

17,066 miles Lakewood, CO

Photo 1: 2016 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 2: 2016 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 3: 2016 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 4: 2016 Audi A6 2.0T Premium Plus with  in Denver, CO
Photo 5: 2016 Audi A6 2.0T Premium Plus with  in Denver, CO

Automatic / AWD / 4 Cyl
22 mpg city / 32 mpg hwy

  • Call Dealer
  • Get Directions
$41,900

2016 Audi A6 2.0T Premium Plus

40,387 miles Denver, CO