• 2.7T
  • 3.2
  • 4.2
  • 2.0T
  • 3.0
  • 2.8
  • AWD
  • 6 Cyl
  • Gasoline
  • Great Deal
  • Sedan
  • Black
  • Well-Equipped
  • Seat Memory
  • White
  • Automatic
  • MP3
  • Navigation System
  • Rain-Sensing Wipers
  • Low Mileage
  • Good Deal
  • 4 Cyl
  • 2013
  • One Owner
  • Going Fast
  • Keyless Entry
  • 2014
  • 2012
  • 2006
  • Gray
  • Lower Than Average Mileage
  • 2009
  • 2005
  • Certified Pre-Owned
  • 2003
  • 2016
  • 2010
  • Heated Seats
  • Silver
  • 2011
  • 2004
  • Satellite Radio
  • 2002
  • Wagon
  • Fair Price
  • 2008
  • 2001
  • Diesel
  • 2007
  • Blue
  • 2000
  • 1999
  • Gold
  • 2015
  • Beige
  • FWD
  • 2017

Price Range

$0 $60,000+

Max Mileage

New $80,000+

MPG

Min 14 Max 50

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242 Results for

Used Audi A6 For Sale in Frederick, CO

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Photo 1: Brilliant Black 2016 Audi A6  Prestige in Lone Tree, CO exterior view from front driver's side
Photo 2: Brilliant Black 2016 Audi A6  Prestige in Lone Tree, CO
Photo 3: cockpit view from driver’s seat 2016 Audi A6  Prestige in Lone Tree, CO
Photo 4: interior dashboard and console 2016 Audi A6  Prestige in Lone Tree, CO
Photo 5: interior dashboard and console 2016 Audi A6  Prestige in Lone Tree, CO

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

  • Call Dealer
  • Get Directions
$46,699

2016 Audi A6 Prestige

12,618 miles / Lone Tree, CO

Photo 1:  2010 Audi A6  Prestige in Denver, CO exterior view from front driver's side
Photo 2:  2010 Audi A6  Prestige in Denver, CO
Photo 3: interior dashboard and console 2010 Audi A6  Prestige in Denver, CO
Photo 4: interior dashboard and console 2010 Audi A6  Prestige in Denver, CO
Photo 5:  2010 Audi A6  Prestige in Denver, CO exterior view of passenger side

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

  • Dealer Page
  • Call
  • Get Directions
$15,599

2010 Audi A6 Prestige

66,395 miles / Denver, CO

Photo 1: Midnight Blue 2012 Audi A6  Premium in Denver, CO exterior view from front driver's side
Photo 2: Midnight Blue 2012 Audi A6  Premium in Denver, CO
Photo 3: interior dashboard and console 2012 Audi A6  Premium in Denver, CO
Photo 4: Midnight Blue 2012 Audi A6  Premium in Denver, CO exterior view from rear passenger side
Photo 5: Midnight Blue 2012 Audi A6  Premium in Denver, CO exterior view of passenger side

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

  • Get Directions
$26,725

2012 Audi A6 Premium

32,141 miles / Denver, CO

Photo 1: Quartz Gray 2013 Audi A6  Premium in Boulder, CO exterior view from front driver's side
Photo 2: Quartz Gray 2013 Audi A6  Premium in Boulder, CO
Photo 3: cockpit view from driver’s seat 2013 Audi A6  Premium in Boulder, CO
Photo 4: interior dashboard and console 2013 Audi A6  Premium in Boulder, CO
Photo 5: interior dashboard and console 2013 Audi A6  Premium in Boulder, CO

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

  • Dealer Page
  • Call
  • Get Directions
$23,000

2013 Audi A6 Premium

76,783 miles / Boulder, 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 in Denver, CO exterior view of driver's side

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

  • Dealer Page
  • Call
  • Get Directions
$25,475

2012 Audi A6

54,125 miles / Denver, CO

Photo 1:  2004 Audi A6 2.7T in Lakewood, CO

AWD / 6 Cyl
16 mpg city / 23 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$5,595

2004 Audi A6 2.7T

141,985 miles / Lakewood, CO

Photo 1: Brilliant Black 2014 Audi A6  Prestige in Boulder, CO exterior view from front driver's side
Photo 2: Brilliant Black 2014 Audi A6  Prestige in Boulder, CO
Photo 3: cockpit view from driver’s seat 2014 Audi A6  Prestige in Boulder, CO
Photo 4: interior dashboard and console 2014 Audi A6  Prestige in Boulder, CO
Photo 5: interior dashboard and console 2014 Audi A6  Prestige in Boulder, CO

Automatic / AWD / 6 Cyl

  • Dealer Page
  • Call
  • Get Directions
$37,500

2014 Audi A6 Prestige

49,055 miles / Boulder, CO

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

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

  • Dealer Page
  • Call
  • Get Directions
$52,000

2016 Audi A6 Premium Plus

10,911 miles / Boulder, CO

Photo 1: 2014 Audi A6  Premium Plus with  in Boulder, CO

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

  • Dealer Page
  • Call
  • Get Directions
$32,000

2014 Audi A6 Premium Plus

48,465 miles / Boulder, CO

Photo 1: Phantom Black 2012 Audi A6  Prestige in Centennial, CO exterior view from front driver's side
Photo 2: Phantom Black 2012 Audi A6  Prestige in Centennial, CO
Photo 3: cockpit view from driver’s seat 2012 Audi A6  Prestige in Centennial, CO
Photo 4: interior dashboard and console 2012 Audi A6  Prestige in Centennial, CO
Photo 5: Phantom Black 2012 Audi A6  Prestige in Centennial, CO front view of grill, headlights, hood and windshield

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

  • Dealer Page
  • Call
  • Get Directions
$28,988

2012 Audi A6 Prestige

53,389 miles / Centennial, CO

Photo 1:  2014 Audi A6 2.0T Premium Plus in Loveland, CO exterior view from front driver's side
Photo 2:  2014 Audi A6 2.0T Premium Plus in Loveland, CO
Photo 3: cockpit view from driver’s seat 2014 Audi A6 2.0T Premium Plus in Loveland, CO
Photo 4: interior dashboard and console 2014 Audi A6 2.0T Premium Plus in Loveland, CO
Photo 5: interior dashboard and console 2014 Audi A6 2.0T Premium Plus in Loveland, CO

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

  • Get Directions
$29,994

2014 Audi A6 2.0T Premium Plus

42,763 miles / Loveland, CO

Photo 1: Brilliant Black 2015 Audi A6  Prestige in Windsor, CO exterior view from front driver's side
Photo 2: Brilliant Black 2015 Audi A6  Prestige in Windsor, CO exterior view of driver's side
Photo 3: Brilliant Black 2015 Audi A6  Prestige in Windsor, CO view of rear bumper
Photo 4: Brilliant Black 2015 Audi A6  Prestige in Windsor, CO front view of grill, headlights, hood and windshield
Photo 5: Brilliant Black 2015 Audi A6  Prestige in Windsor, CO exterior view of passenger side

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

  • Dealer Page
  • Call
  • Get Directions
$36,499

2015 Audi A6 Prestige

4,251 miles / Windsor, CO

Photo 1:  2014 Audi A6  Prestige in Windsor, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2014 Audi A6  Prestige in Windsor, CO
Photo 3:  2014 Audi A6  Prestige in Windsor, CO exterior view of driver's side
Photo 4:  2014 Audi A6  Prestige in Windsor, CO view of rear bumper
Photo 5:  2014 Audi A6  Prestige in Windsor, CO closeup view of wheel

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

  • Dealer Page
  • Call
  • Get Directions
$31,299

2014 Audi A6 Prestige

28,255 miles / Windsor, CO

Photo 1:  2011 Audi A6  Premium Plus in Aurora, CO exterior view from front driver's side
Photo 2:  2011 Audi A6  Premium Plus in Aurora, CO
Photo 3:  2011 Audi A6  Premium Plus in Aurora, CO exterior view of driver's side
Photo 4:  2011 Audi A6  Premium Plus in Aurora, CO exterior view of driver's side
Photo 5:  2011 Audi A6  Premium Plus in Aurora, CO exterior view from rear passenger side

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

  • Dealer Page
  • Call
  • Get Directions
$19,900

2011 Audi A6 Premium Plus

66,985 miles / Aurora, CO

Photo 1: Ibis White 2016 Audi A6  Premium Plus in Windsor, CO exterior view from front driver's side
Photo 2: interior dashboard and console 2016 Audi A6  Premium Plus in Windsor, CO
Photo 3: Ibis White 2016 Audi A6  Premium Plus in Windsor, CO exterior view of driver's side
Photo 4: Ibis White 2016 Audi A6  Premium Plus in Windsor, CO view of rear bumper
Photo 5: Ibis White 2016 Audi A6  Premium Plus in Windsor, CO closeup view of wheel

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

  • Dealer Page
  • Call
  • Get Directions
$39,999

2016 Audi A6 Premium Plus

2,875 miles / Windsor, CO

Photo 1: 2005 Audi A6 3.2 with  in Commerce City, CO
Photo 2: 2005 Audi A6 3.2 with  in Commerce City, CO
Photo 3: 2005 Audi A6 3.2 with  in Commerce City, CO
Photo 4: 2005 Audi A6 3.2 with  in Commerce City, CO
Photo 5: 2005 Audi A6 3.2 in Commerce City, CO

Automatic / AWD / 6 Cyl

  • Dealer Page
  • Call
  • Get Directions
$8,995

2005 Audi A6 3.2

117,471 miles / Commerce City, CO

Photo 1: Ibis White 2010 Audi A6  Premium Plus in Denver, CO exterior view from front driver's side
Photo 2: Ibis White 2010 Audi A6  Premium Plus in Denver, CO
Photo 3: cockpit view from driver’s seat 2010 Audi A6  Premium Plus in Denver, CO
Photo 4: Ibis White 2010 Audi A6  Premium Plus in Denver, CO front view of grill, headlights, hood and windshield
Photo 5: Ibis White 2010 Audi A6  Premium Plus in Denver, CO exterior view of driver's side

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

  • Dealer Page
  • Call
  • Get Directions
$13,495

2010 Audi A6 Premium Plus

111,991 miles / Denver, CO

Photo 1:  2004 Audi A6 2.7T S-Line in Englewood, CO exterior view from front driver's side
Photo 2:  2004 Audi A6 2.7T S-Line in Englewood, CO
Photo 3:  2004 Audi A6 2.7T S-Line in Englewood, CO front view of grill, headlights, hood and windshield
Photo 4:  2004 Audi A6 2.7T S-Line in Englewood, CO exterior view from rear passenger side
Photo 5:  2004 Audi A6 2.7T S-Line in Englewood, CO view of rear bumper

Automatic / AWD / 6 Cyl
16 mpg city / 23 mpg hwy

  • Call Dealer
  • Get Directions
$7,988

2004 Audi A6 2.7T S-Line

188,450 miles / Englewood, CO

Photo 1: Aviator Blue Metallic 2014 Audi A6  Premium Plus in Littleton, CO exterior view from front driver's side
Photo 2: Aviator Blue Metallic 2014 Audi A6  Premium Plus in Littleton, CO
Photo 3: cockpit view from driver’s seat 2014 Audi A6  Premium Plus in Littleton, CO
Photo 4: Aviator Blue Metallic 2014 Audi A6  Premium Plus in Littleton, CO front view of grill, headlights, hood and windshield
Photo 5: Aviator Blue Metallic 2014 Audi A6  Premium Plus in Littleton, CO exterior view of passenger side

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

  • Call Dealer
  • Get Directions
$31,968

2014 Audi A6 Premium Plus

46,848 miles / Littleton, CO

Photo 1: 2008 Audi A6 3.2 with  in Littleton, CO

Automatic / AWD / 6 Cyl

  • Call Dealer
  • Get Directions
$13,789

2008 Audi A6 3.2

86,595 miles / Littleton, CO

Photo 1: 2013 Audi A6 2.0T Premium Plus with  in Littleton, CO

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

  • Call Dealer
  • Get Directions
$29,986

2013 Audi A6 2.0T Premium Plus

55,284 miles / Littleton, CO

Photo 1: Brilliant Black 2013 Audi A6 2.0T Premium Plus in Greeley, CO
Photo 2: 2013 Audi A6 2.0T Premium Plus with  in Greeley, CO
Photo 3: 2013 Audi A6 2.0T Premium Plus with  in Greeley, CO
Photo 4: 2013 Audi A6 2.0T Premium Plus with  in Greeley, CO
Photo 5: 2013 Audi A6 2.0T Premium Plus with  in Greeley, CO

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

  • Get Directions
$28,900

2013 Audi A6 2.0T Premium Plus

33,118 miles / Greeley, CO

Photo 1:  2001 Audi A6 4.2 in Englewood, CO exterior view from front driver's side
Photo 2:  2001 Audi A6 4.2 in Englewood, CO
Photo 3: cockpit view from driver’s seat 2001 Audi A6 4.2 in Englewood, CO
Photo 4: interior dashboard and console 2001 Audi A6 4.2 in Englewood, CO
Photo 5:  2001 Audi A6 4.2 in Englewood, CO exterior view of passenger side

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

  • Dealer Page
  • Call
  • Get Directions
$4,995

2001 Audi A6 4.2

106,444 miles / Englewood, CO

Photo 1: Oolong Gray Metallic 2013 Audi A6  Prestige in Littleton, CO exterior view from front driver's side
Photo 2: Oolong Gray Metallic 2013 Audi A6  Prestige in Littleton, CO
Photo 3: cockpit view from driver’s seat 2013 Audi A6  Prestige in Littleton, CO
Photo 4: Oolong Gray Metallic 2013 Audi A6  Prestige in Littleton, CO front view of grill, headlights, hood and windshield
Photo 5: Oolong Gray Metallic 2013 Audi A6  Prestige in Littleton, CO exterior view of passenger side

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

  • Call Dealer
  • Get Directions
$36,529

2013 Audi A6 Prestige

33,047 miles / Littleton, CO