• 3.2
  • 2.0T
  • 4.2
  • 2.8
  • 3.0
  • 2.7T
  • AWD
  • Well-Equipped
  • Black
  • Rain-Sensing Wipers
  • 6 Cyl
  • Gasoline
  • CD (Single Disc)
  • Handsfree/Bluetooth Integration
  • Good Deal
  • Heated Seats
  • White
  • Seat Memory
  • One Owner
  • Low Mileage
  • Leather Trimmed Interior
  • 2016
  • Lower Than Average Mileage
  • 2013
  • Going Fast
  • Gray
  • Satellite Radio
  • 2012
  • 2014
  • Certified Pre-Owned
  • Keyless Entry
  • Blue
  • Silver
  • 2006
  • 8 Cyl
  • 2010
  • Gold
  • Great Deal
  • 2005
  • Navigation System
  • Wagon
  • 2009
  • 2008
  • MP3
  • 1999
  • 2004
  • 2003
  • 2000
  • 2015
  • Beige
  • 2011
  • 2002
  • 2001
  • 2007
  • Fair Price

Price Range

$0 $60,000+

Max Mileage

New $80,000+

MPG

Min 14 Max 50

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148 Results for

Used Audi A6 For Sale in Frederick, CO

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Photo 1: 2002 Audi A6 2.7T with  in Longmont, CO
Photo 2: 2002 Audi A6 2.7T with  in Longmont, CO
Photo 3: 2002 Audi A6 2.7T in Longmont, CO
Photo 4: 2002 Audi A6 2.7T in Longmont, CO
Photo 5: 2002 Audi A6 2.7T in Longmont, CO

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

  • Call Dealer
  • Get Directions
$6,345

2002 Audi A6 2.7T

123,484 miles / Longmont, CO

Photo 1: Aviator Blue Metallic 2016 Audi A6  Premium Plus in Boulder, CO exterior view from front driver's side
Photo 2: Aviator Blue 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: interior dashboard and console 2016 Audi A6  Premium Plus in Boulder, CO

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

  • Dealer Page
  • Call
  • Get Directions
$49,000

2016 Audi A6 Premium Plus

12,068 miles / Boulder, 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
$27,994

2014 Audi A6 2.0T Premium Plus

42,763 miles / Loveland, 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
$47,500

2016 Audi A6 Premium Plus

10,911 miles / Boulder, CO

Photo 1: Oolong Gray Metallic 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: Oolong Gray Metallic 2016 Audi A6  Premium Plus in Windsor, CO exterior view of driver's side
Photo 4: Oolong Gray Metallic 2016 Audi A6  Premium Plus in Windsor, CO view of rear bumper
Photo 5: Oolong Gray Metallic 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
$36,699

2016 Audi A6 Premium Plus

5,233 miles / Windsor, CO

Photo 1:  2004 Audi A6 2.7T S-Line in Longmont, CO exterior view from front driver's side
Photo 2:  2004 Audi A6 2.7T S-Line in Longmont, CO
Photo 3: cockpit view from driver’s seat 2004 Audi A6 2.7T S-Line in Longmont, CO
Photo 4:  2004 Audi A6 2.7T S-Line in Longmont, CO exterior view from rear passenger side
Photo 5:  2004 Audi A6 2.7T S-Line in Longmont, CO exterior view from rear driver's side

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

  • Call Dealer
  • Get Directions
$7,000

2004 Audi A6 2.7T S-Line

151,941 miles / Longmont, CO

Photo 1:  2006 Audi A6 4.2 in Boulder, CO

Automatic / AWD / 8 Cyl
15 mpg city / 21 mpg hwy

  • Call Dealer
  • Get Directions
$10,409

2006 Audi A6 4.2

120,968 miles / Boulder, CO

Photo 1:  2015 Audi A6  Premium Plus in Littleton, CO exterior view from front driver's side
Photo 2:  2015 Audi A6  Premium Plus in Littleton, CO
Photo 3: cockpit view from driver’s seat 2015 Audi A6  Premium Plus in Littleton, CO
Photo 4:  2015 Audi A6  Premium Plus in Littleton, CO front view of grill, headlights, hood and windshield
Photo 5:  2015 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
$42,450

2015 Audi A6 Premium Plus

14,523 miles / Littleton, CO

Photo 1:  2007 Audi A6 3.2 in Loveland, CO exterior view from front driver's side
Photo 2:  2007 Audi A6 3.2 in Loveland, CO
Photo 3: cockpit view from driver’s seat 2007 Audi A6 3.2 in Loveland, CO
Photo 4:  2007 Audi A6 3.2 in Loveland, CO front view of grill, headlights, hood and windshield
Photo 5:  2007 Audi A6 3.2 in Loveland, CO exterior view of passenger side

Automatic / AWD / 6 Cyl

  • Dealer Page
  • Get Directions
$8,700

2007 Audi A6 3.2

118,275 miles / Loveland, CO

Photo 1: Aviator Blue Metallic 2016 Audi A6  Premium Plus in Boulder, CO exterior view from front driver's side
Photo 2: Aviator Blue 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: interior dashboard and console 2016 Audi A6  Premium Plus in Boulder, CO

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

  • Dealer Page
  • Call
  • Get Directions
$50,000

2016 Audi A6 Premium Plus

4,634 miles / Boulder, CO

Photo 1: Daytona Gray Pearl Effect 2015 Audi A6 2.0T Premium in Windsor, CO exterior view from front driver's side
Photo 2: Daytona Gray Pearl Effect 2015 Audi A6 2.0T Premium in Windsor, CO exterior view of driver's side
Photo 3: Daytona Gray Pearl Effect 2015 Audi A6 2.0T Premium in Windsor, CO view of rear bumper
Photo 4: Daytona Gray Pearl Effect 2015 Audi A6 2.0T Premium in Windsor, CO front view of grill, headlights, hood and windshield
Photo 5: Daytona Gray Pearl Effect 2015 Audi A6 2.0T Premium in Windsor, CO exterior view of passenger side

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

  • Dealer Page
  • Call
  • Get Directions
$24,699

2015 Audi A6 2.0T Premium

3,461 miles / Windsor, CO

Photo 1:  2008 Audi A6 3.2 in Commerce City, CO exterior view from front driver's side
Photo 2:  2008 Audi A6 3.2 in Commerce City, CO
Photo 3: cockpit view from driver’s seat 2008 Audi A6 3.2 in Commerce City, CO
Photo 4: cockpit view from driver’s seat 2008 Audi A6 3.2 in Commerce City, CO
Photo 5: interior dashboard and console 2008 Audi A6 3.2 in Commerce City, CO

Automatic / AWD / 6 Cyl

  • Dealer Page
  • Call
  • Get Directions
$13,100

2008 Audi A6 3.2

92,600 miles / Commerce City, CO

Photo 1:  2006 Audi A6 3.2 in Westminster, CO exterior view from front driver's side
Photo 2:  2006 Audi A6 3.2 in Westminster, CO
Photo 3:  2006 Audi A6 3.2 in Westminster, CO front view of grill, headlights, hood and windshield
Photo 4:  2006 Audi A6 3.2 in Westminster, CO exterior view from rear driver's side
Photo 5:  2006 Audi A6 3.2 in Westminster, CO view of rear bumper

Automatic / AWD / 6 Cyl

  • Call Dealer
  • Get Directions
$5,595

2006 Audi A6 3.2

145,045 miles / Westminster, CO

Photo 1: Brilliant Black 2015 Audi A6 2.0T Premium Plus in Boulder, CO exterior view from front driver's side
Photo 2: Brilliant Black 2015 Audi A6 2.0T Premium Plus in Boulder, CO
Photo 3: cockpit view from driver’s seat 2015 Audi A6 2.0T Premium Plus in Boulder, CO
Photo 4: interior dashboard and console 2015 Audi A6 2.0T Premium Plus in Boulder, CO
Photo 5: Brilliant Black 2015 Audi A6 2.0T Premium Plus in Boulder, CO exterior view of passenger side

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

  • Dealer Page
  • Call
  • Get Directions
$32,366

2015 Audi A6 2.0T Premium Plus

28,868 miles / Boulder, CO

Photo 1:  2010 Audi A6  Premium Plus in Longmont, CO exterior view from front driver's side
Photo 2:  2010 Audi A6  Premium Plus in Longmont, CO
Photo 3: cockpit view from driver’s seat 2010 Audi A6  Premium Plus in Longmont, CO
Photo 4:  2010 Audi A6  Premium Plus in Longmont, CO exterior view from rear passenger side
Photo 5:  2010 Audi A6  Premium Plus in Longmont, CO exterior view from rear driver's side

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

  • Call Dealer
  • Get Directions
$17,500

2010 Audi A6 Premium Plus

87,517 miles / Longmont, CO

Photo 1: 2016 Audi A6  Premium Plus with  in Boulder, CO

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

  • Dealer Page
  • Call
  • Get Directions
$48,000

2016 Audi A6 Premium Plus

13,280 miles / Boulder, CO

Photo 1:  2008 Audi A6 3.2 in Commerce City, CO exterior view from front driver's side
Photo 2:  2008 Audi A6 3.2 in Commerce City, CO
Photo 3: cockpit view from driver’s seat 2008 Audi A6 3.2 in Commerce City, CO
Photo 4: interior dashboard and console 2008 Audi A6 3.2 in Commerce City, CO
Photo 5: interior dashboard and console 2008 Audi A6 3.2 in Commerce City, CO

Automatic / AWD / 6 Cyl

  • Dealer Page
  • Call
  • Get Directions
$9,800

2008 Audi A6 3.2

133,865 miles / Commerce City, CO

Photo 1: Glacier White Metallic 2016 Audi A6  Premium Plus in Littleton, CO exterior view from front driver's side
Photo 2: Glacier White Metallic 2016 Audi A6  Premium Plus in Littleton, CO
Photo 3: cockpit view from driver’s seat 2016 Audi A6  Premium Plus in Littleton, CO
Photo 4: interior dashboard and console 2016 Audi A6  Premium Plus in Littleton, CO
Photo 5: Glacier White Metallic 2016 Audi A6  Premium Plus in Littleton, CO front view of grill, headlights, hood and windshield

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

  • Call Dealer
  • Get Directions
$48,850

2016 Audi A6 Premium Plus

9,530 miles / Littleton, CO

Photo 1: 2014 Audi A6 2.0T Premium Plus with  in Littleton, CO

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

  • Call Dealer
  • Get Directions
$30,850

2014 Audi A6 2.0T Premium Plus

42,322 miles / Littleton, CO

Photo 1: 2014 Audi A6  Premium Plus with  in Denver, CO
Photo 2: 2014 Audi A6  Premium Plus with  in Denver, CO
Photo 3: 2014 Audi A6  Premium Plus with  in Denver, CO

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

  • Get Directions
$33,992

2014 Audi A6 Premium Plus

31,963 miles / Denver, CO

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

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

  • Dealer Page
  • Call
  • Get Directions
$24,880

2012 Audi A6 Premium Plus

58,552 miles / Denver, CO

Photo 1:  2010 Audi A6  Prestige in Commerce City, CO exterior view from front driver's side
Photo 2:  2010 Audi A6  Prestige in Commerce City, CO
Photo 3: cockpit view from driver’s seat 2010 Audi A6  Prestige in Commerce City, CO
Photo 4: interior dashboard and console 2010 Audi A6  Prestige in Commerce City, CO
Photo 5: interior dashboard and console 2010 Audi A6  Prestige in Commerce City, CO

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

  • Dealer Page
  • Call
  • Get Directions
$16,800

2010 Audi A6 Prestige

75,226 miles / Commerce City, CO

Photo 1:  2010 Audi A6  Premium Plus in Denver, CO exterior view from front driver's side
Photo 2:  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: interior dashboard and console 2010 Audi A6  Premium Plus in Denver, CO
Photo 5: interior dashboard and console 2010 Audi A6  Premium Plus in Denver, CO

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

  • Dealer Page
  • Call
  • Get Directions
$18,990

2010 Audi A6 Premium Plus

70,825 miles / Denver, CO

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

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

  • Call Dealer
  • Get Directions
$22,390

2012 Audi A6 Premium Plus

77,335 miles / Englewood, CO