Filters
Popular
Engine
64

Used, Demo and Near New Audi A6 4 cylinder cars for sale or order in Australia

Sort by
58
1
Dealer used
2011 Audi A6Auto F MY11
$14,950
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
91,010 km
91,010 km
NSW
View details
21
1
Dealer demo
Well below market price
2025 Audi A645 TFSI S line Auto quattro ultra MY25
$84,990
Drive away $80,702 Excl. Est. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
4,254 km
4,254 km
VIC
View details
13
ID verified
Private
Well below market price
2015 Audi A6S Line Auto F MY16
$9,950
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 1.8L T Petrol
4cyl 1.8L T Petrol
193,000 km
193,000 km
NSW
View details
23
1
Pay through carsales
Private
Below market price
2020 Audi A645 TFSI Auto quattro ultra MY21
$37,500
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
90,586 km
90,586 km
VIC
View details
20
Dealer demo
Below market price
2025 Audi A645 TFSI S line Auto quattro ultra MY25
$95,000
Drive away $88,820 Excl. Est. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
2,111 km
2,111 km
NSW
View details
28
Dealer used
Below market price
2020 Audi A645 TFSI S line Auto quattro ultra MY20
$42,990
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
45,553 km
45,553 km
WA
View details
19
Dealer used
Well below market price
2013 Audi A6Auto F MY13
$6,999
Excl. Govt. Charges
Wagon
Wagon
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
205,740 km
205,740 km
NSW
View details
31
1
Dealer used
Below market price
2022 Audi A645 TFSI S line Auto quattro ultra MY22
$48,969
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
63,666 km
63,666 km
WA
View details
carsales trade-in
20
Dealer demo
2025 Audi A645 TFSI S line Auto quattro ultra MY25
$99,660
Drive away $92,232 Excl. Est. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
5,500 km
5,500 km
NSW
View details
28
Dealer used
2024 Audi A640 TFSI S line Auto F MY24
$68,888
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
6,766 km
6,766 km
VIC
View details
46
Audi Approved :plus
Dealer used
2024 Audi A645 TFSI S line Auto quattro ultra MY24
$66,995
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
12,850 km
12,850 km
NSW
View details
27
Dealer used
2024 Audi A645 TFSI S line Auto quattro ultra MY25
$91,995
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
14,915 km
14,915 km
NSW
View details
24
Dealer demo
2025 Audi A645 TFSI S line Auto quattro ultra MY25
$99,770
Drive away $92,312 Excl. Est. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
5,220 km
5,220 km
NSW
View details
27
Dealer demo
2025 Audi A645 TFSI S line Auto quattro ultra MY25
$88,888
Drive away $83,549 Excl. Est. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
5,028 km
5,028 km
VIC
View details
19
Dealer demo
2024 Audi A645 TFSI S line Auto quattro ultra MY25
$92,880
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
7,058 km
7,058 km
NSW
View details
17
1
ID verified
Private
Below market price
2023 Audi A640 TFSI S line Auto F MY23
$49,800
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
44,500 km
44,500 km
NSW
View details
17
1
Pay through carsales
Private
2016 Audi A6S Line Limited Edition Auto quattro MY16
$28,000
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
99,500 km
99,500 km
VIC
View details
22
Dealer demo
Below market price
2025 Audi A645 TFSI S line Auto quattro ultra MY25
$104,990
Drive away $96,135 Excl. Est. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
2,085 km
2,085 km
NSW
View details
17
Pay through carsales
Private
Around market price
2013 Audi A6Auto F MY13
$8,000
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Diesel
4cyl 2.0L T Diesel
290,000 km
290,000 km
VIC
View details
20
Dealer demo
Below market price
2025 Audi A645 TFSI S line Auto quattro ultra MY25
$94,990
Drive away $88,812 Excl. Est. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
2,045 km
2,045 km
NSW
View details
30
Dealer used
Below market price
2019 Audi A645 TFSI Auto quattro ultra MY20
$37,489
Drive away $36,364 Excl. Est. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
72,992 km
72,992 km
QLD
View details
13
Pay through carsales
Private
Well below market price
2021 Audi A645 TFSI Auto quattro ultra MY21
$42,900
Excl. Govt. Charges
Sedan
Sedan
Automatic
Automatic
4cyl 2.0L T Petrol
4cyl 2.0L T Petrol
41,400 km
41,400 km
NSW
View details
Expert car reviews
REVIEW
Audi A6 45 TFSI quattro S line 2021 Review
Audi A6 45 TFSI quattro S line 2021 Review
81/100
Jan 2021 · Feann Torr
REVIEW
Audi A6 55 TFSI quattro S line 2020 Review
Audi A6 55 TFSI quattro S line 2020 Review
84/100
Jan 2020 · Matt Brogan
REVIEW
Audi A6 45 TFSI 2019 Review
Audi A6 45 TFSI 2019 Review
87/100
Nov 2019 · Paul Gover
REVIEW
Audi A6 Allroad 2019 Review – International
Audi A6 Allroad 2019 Review – International
83/100
Sept 2019 · Ken Gratton
REVIEW
Audi A6 sedan 2019 Review – Australia
Audi A6 sedan 2019 Review – Australia
82/100
Aug 2019 · Sam Charlwood
REVIEW
Audi A6 2019 Review
Audi A6 2019 Review
81/100
May 2018 · Feann Torr
REVIEW
Audi A6 allroad 2015 Review
Audi A6 allroad 2015 Review
78/100
Aug 2015 · Ken Gratton
REVIEW
Audi A6 2015 Review
Audi A6 2015 Review
83/100
Aug 2015 · Nadine Armstrong
REVIEW
Audi A6 allroad 2015: Launch Review
Audi A6 allroad 2015: Launch Review
77/100
May 2015 · Feann Torr
REVIEW
Audi A6 and A7 2015 Review
Audi A6 and A7 2015 Review
76/100
Mar 2015 · Ken Gratton


Contact
Advertise with us
Company
Local marketplaces
International marketplaces
Consent
Scan to download the carsales app
    DownloadAppCta
    AppStoreDownloadGooglePlayDownload
    Want more info? Here’s our app landing page App Store and the Apple logo are trademarks of Apple Inc. Google Play and the Google Play logo are trademarks of Google LLC.
    © carsales.com.au Pty Ltd 1999-2026
    In the spirit of reconciliation we acknowledge the Traditional Custodians of Country throughout Australia and their connections to land, sea and community. We pay our respect to their Elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.