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

Price Range

$0 $60,000+

Max Mileage

New $80,000+

MPG

Min 14 Max 50

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114 Results for

Used Audi A6 For Sale in Frederick, CO

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Photo 1: Ibis White 2014 Audi A6 2.0T Premium Plus in Littleton, CO exterior view from front driver's side
Photo 2: Ibis White 2014 Audi A6 2.0T Premium Plus in Littleton, CO
Photo 3: cockpit view from driver’s seat 2014 Audi A6 2.0T Premium Plus in Littleton, CO
Photo 4: Ibis White 2014 Audi A6 2.0T Premium Plus in Littleton, CO front view of grill, headlights, hood and windshield
Photo 5: Ibis White 2014 Audi A6 2.0T Premium Plus in Littleton, CO exterior view of passenger side

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

  • Call Dealer
  • Get Directions
$29,950

2014 Audi A6 2.0T Premium Plus

42,325 miles / Littleton, 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
$36,599

2016 Audi A6 Premium Plus

6,995 miles / Windsor, 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
$23,880

2012 Audi A6 Premium Plus

58,552 miles / Denver, CO

Photo 1:  2012 Audi A6 in Wheat Ridge, CO exterior view from front driver's side
Photo 2:  2012 Audi A6 in Wheat Ridge, CO
Photo 3:  2012 Audi A6 in Wheat Ridge, CO front view of grill, headlights, hood and windshield
Photo 4:  2012 Audi A6 in Wheat Ridge, CO exterior view of driver's side
Photo 5:  2012 Audi A6 in Wheat Ridge, CO exterior view from rear passenger side

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

  • Dealer Page
  • Call
  • Get Directions
$20,995

2012 Audi A6

89,259 miles / Wheat Ridge, 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
$25,994

2014 Audi A6 2.0T Premium Plus

42,763 miles / Loveland, CO

Photo 1: Brilliant Black 2014 Audi A6 2.0T Premium Plus in Boulder, CO exterior view from front driver's side
Photo 2: Brilliant Black 2014 Audi A6 2.0T Premium Plus in Boulder, CO
Photo 3: interior dashboard and console 2014 Audi A6 2.0T Premium Plus in Boulder, CO
Photo 4: interior dashboard and console 2014 Audi A6 2.0T Premium Plus in Boulder, CO
Photo 5: Brilliant Black 2014 Audi A6 2.0T Premium Plus in Boulder, CO exterior view of driver's side

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

  • Dealer Page
  • Call
  • Get Directions
$29,500

2014 Audi A6 2.0T Premium Plus

40,110 miles / Boulder, 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
$45,000

2016 Audi A6 Premium Plus

26,232 miles / Boulder, CO

Photo 1: Mythos Black Metallic 2016 Audi A6  Premium Plus in Windsor, CO exterior view from front driver's side
Photo 2: Mythos Black Metallic 2016 Audi A6  Premium Plus in Windsor, CO exterior view of driver's side
Photo 3: Mythos Black Metallic 2016 Audi A6  Premium Plus in Windsor, CO view of rear bumper
Photo 4: Mythos Black Metallic 2016 Audi A6  Premium Plus in Windsor, CO closeup view of wheel
Photo 5: Mythos Black 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
$35,999

2016 Audi A6 Premium Plus

14,316 miles / Windsor, 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
$31,367

2015 Audi A6 2.0T Premium Plus

28,868 miles / Boulder, CO

Photo 1: 2014 Audi A6  Prestige with  in Littleton, CO

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

  • Call Dealer
  • Get Directions
$39,950

2014 Audi A6 Prestige

37,271 miles / Littleton, CO

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

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

  • Call Dealer
  • Get Directions
$37,950

2014 Audi A6 Premium Plus

16,116 miles / Littleton, CO

Photo 1: Dakota Gray Metallic 2014 Audi A6 2.0T Premium in Lakewood, CO exterior view from front driver's side
Photo 2: Dakota Gray Metallic 2014 Audi A6 2.0T Premium in Lakewood, CO
Photo 3: interior dashboard and console 2014 Audi A6 2.0T Premium in Lakewood, CO
Photo 4: Dakota Gray Metallic 2014 Audi A6 2.0T Premium in Lakewood, CO front view of grill, headlights, hood and windshield
Photo 5: Dakota Gray Metallic 2014 Audi A6 2.0T Premium in Lakewood, CO exterior view of driver's side

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

  • Call Dealer
  • Get Directions
$27,994

2014 Audi A6 2.0T Premium

42,140 miles / Lakewood, 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
$5,000

2004 Audi A6 2.7T S-Line

151,941 miles / Longmont, CO

Photo 1: Champagne 2002 Audi A6 2.7T in Longmont, CO exterior view from front driver's side
Photo 2: Champagne 2002 Audi A6 2.7T in Longmont, CO
Photo 3: cockpit view from driver’s seat 2002 Audi A6 2.7T in Longmont, CO
Photo 4: interior dashboard and console 2002 Audi A6 2.7T in Longmont, CO
Photo 5: 2002 Audi A6 2.7T with  in Longmont, CO

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

  • Call Dealer
  • Get Directions
$4,700

2002 Audi A6 2.7T

123,484 miles / Longmont, CO

Photo 1: Melange Metallic 2000 Audi A6 2.7T in Denver, CO exterior view from front driver's side

Automatic / AWD / 6 Cyl
15 mpg city / 22 mpg hwy

  • Call Dealer
  • Get Directions
$2,988

2000 Audi A6 2.7T

200,101 miles / Denver, CO

Photo 1:  2013 Audi A6  Premium Plus in Denver, CO exterior view from front driver's side

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

  • Call Dealer
  • Get Directions
$26,988

2013 Audi A6 Premium Plus

51,783 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
$20,993

2012 Audi A6 Premium Plus

77,335 miles / Englewood, CO

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

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

  • Call Dealer
  • Get Directions
$34,991

2014 Audi A6 Premium Plus

37,308 miles / Lakewood, CO

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

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

  • Call Dealer
  • Get Directions
$33,580

2014 Audi A6 Premium Plus

37,000 miles / Denver, CO

Photo 1:  2006 Audi A6 3.2 in Denver, CO exterior view from front driver's side
Photo 2:  2006 Audi A6 3.2 in Denver, CO
Photo 3: interior dashboard and console 2006 Audi A6 3.2 in Denver, CO
Photo 4: interior dashboard and console 2006 Audi A6 3.2 in Denver, CO
Photo 5:  2006 Audi A6 3.2 in Denver, CO exterior view from rear driver's side

Automatic / AWD / 6 Cyl
17 mpg city / 25 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$7,990

2006 Audi A6 3.2

135,572 miles / Denver, CO

Photo 1:  2013 Audi A6 2.0T Premium Plus in Greenwood Village, CO exterior view from front driver's side
Photo 2: cockpit view from driver’s seat 2013 Audi A6 2.0T Premium Plus in Greenwood Village, CO
Photo 3: interior dashboard and console 2013 Audi A6 2.0T Premium Plus in Greenwood Village, CO
Photo 4:  2013 Audi A6 2.0T Premium Plus in Greenwood Village, CO exterior view of driver's side
Photo 5:  2013 Audi A6 2.0T Premium Plus in Greenwood Village, CO front view of grill, headlights, hood and windshield

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

  • Get Directions
$22,499

2013 Audi A6 2.0T Premium Plus

50,296 miles / Greenwood Village, CO

Photo 1: Ibis White 2014 Audi A6 2.0T Premium Plus in Denver, CO exterior view from front driver's side

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

  • Call Dealer
  • Get Directions
$29,780

2014 Audi A6 2.0T Premium Plus

37,000 miles / Denver, CO

Photo 1:  2008 Audi A6 3.2 in Denver, CO exterior view from front driver's side
Photo 2:  2008 Audi A6 3.2 in Denver, CO
Photo 3:  2008 Audi A6 3.2 in Denver, CO front view of grill, headlights, hood and windshield
Photo 4:  2008 Audi A6 3.2 in Denver, CO exterior view of driver's side
Photo 5:  2008 Audi A6 3.2 in Denver, CO exterior view from rear passenger side

Automatic / AWD / 6 Cyl
17 mpg city / 25 mpg hwy

  • Dealer Page
  • Call
  • Get Directions
$10,991

2008 Audi A6 3.2

107,361 miles / Denver, CO

Photo 1: Daytona Gray Pearl 2008 Audi A6 4.2 in Lakewood, CO exterior view from front driver's side

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

  • Call Dealer
  • Get Directions
$10,991

2008 Audi A6 4.2

106,805 miles / Lakewood, CO