Audi A6 Valuation: 20 used car listings analysed

Market overview: Prices and data for June-2026: There are currently 20 used Audi A6 (model years 2005 - 2005) available. Prices range from £1,995 to £5,795, with a median price of £5,369. The most common configuration on the market is a combination of saloon, diesel, and manual, while the most popular trims include S-Line. Market dynamics indicate that a vehicle sells in an average of 24 days, and 5.0% of listings have recently seen a price reduction (with discounts up to £0). Additionally, 0 vehicles are currently listed below market value. An indicator of durability: the inventory includes models with a mileage of up to 155,000 miles (Source: AutoUncle UK Market report - June-2026).

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Used Skoda Octavia SE 105 HP (77 kW) 2012 Beige Hatchback

(2012) Skoda Octavia SE 105 HP

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You save £1,305

ML7 4LP Salsburgh, Lanarkshire

119 g CO2/km comb. - 105 HP (77 kW) - 4.5 Mpg

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Used Suzuki Alto 68 HP (50 kW) 2013 Hatchback

(2013) Suzuki Alto 68 HP

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You save £1,101

99 g CO2/km comb. - 68 HP (50 kW) - 4.3 Mpg

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Used Peugeot 3008 Active 116 HP (85 kW) 2013 White Estate

(2013) Peugeot 3008 Active 116 HP

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You save £1,805

CO5 7JH Essex, Essex

125 g CO2/km comb. - 116 HP (85 kW) - 4.8 Mpg

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Used Ford Focus Zetec 105 HP (77 kW) 2014 Hatchback

(2014) Ford Focus Zetec 105 HP

Good price

136 g CO2/km comb. - 105 HP (77 kW) - 5.9 Mpg

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Used (2005) Audi A6 255 HP | Rare vehicle

Saloon (2005/05)3.2 FSI quattro SE

2005
123,000 miles
3.1L Petrol
Sedan
Automatic
255 HP (187 kW)
CO2 emissions: 233 g CO2/km comb.
25 mpg
Details

£1,995

£3,995

Rare vehicle

Parkers.co.uk

RG17 7RZ Lambourn Woodlands, Berkshire

Used (2005) Audi A6 221 HP | Rare vehicle

3.0 TDI Quattro SE

2005
147,899 miles
3.0L Diesel
Sedan
Automatic
221 HP (162 kW)
CO2 emissions: 226 g CO2/km comb.
8.4 mpg
Details

£5,750

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 140 HP

2.0 TDI SE

2005
99,000 miles
2.0L Diesel
Sedan
Manual
140 HP (102 kW)
Details

£5,300

Not evaluated

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 180 HP | Rare vehicle

2.7 TDI SE

2005
125,000 miles
2.7L Diesel
Sedan
Manual
180 HP (132 kW)
7 mpg
Details

£5,790

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

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Used Nissan Note Acenta Premium 80 HP (58 kW) 2016 Hatchback

(2016) Nissan Note Acenta Premium 80 HP

Good price

109 g CO2/km comb. - 80 HP (58 kW) - 4.7 Mpg

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Used Vauxhall Astra SRi 140 HP (102 kW) 2015 Hatchback

(2015) Vauxhall Astra SRi 140 HP

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You save £1,501

144 g CO2/km comb. - 140 HP (102 kW) - 6.1 Mpg

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Used Vauxhall Mokka 140 HP (102 kW) 2016 SUV

(2016) Vauxhall Mokka 140 HP

Good price

145 g CO2/km comb. - 140 HP (102 kW) - 6.3 Mpg

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Used Toyota Aygo 69 HP (50 kW) 2018 Hatchback

(2018) Toyota Aygo 69 HP

Super price

You save £1,400

95 g CO2/km comb. - 69 HP (50 kW) - 4.1 Mpg

Used (2005) Audi A6 140 HP

2.0 TDI SE 4DR

2005
90,000 miles
2.0L Diesel
Sedan
Manual
140 HP (102 kW)
Details

£5,495

Not evaluated

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 140 HP

2.0 TDI SE 4dr Diesel

2005
76,000 miles
2.0L Diesel
Sedan
Manual
140 HP (102 kW)
Details

£5,600

Not evaluated

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 | Rare vehicle

3.2 FSI QUATTRO SE TIP

2005
90,000 miles
3.2L Petrol
Coupe
Automatic
Details

£5,000

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 180 HP | Rare vehicle

2.7 TDI SE 4dr FSH

2005
122,830 miles
2.7L Diesel
Sedan
Manual
180 HP (132 kW)
7 mpg
Details

£5,695

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 180 HP | Rare vehicle

2.7 TDI SE 4DR

2005
139,954 miles
2.7L Diesel
Sedan
Manual
180 HP (132 kW)
7 mpg
Details

£5,000

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 140 HP

2.0 TDI SE 4dr Diesel Saloon

2005
155,000 miles
2.0L Diesel
Sedan
Manual
140 HP (102 kW)
Details

£5,050

Not evaluated

Dealer

CF11 Pontcanna, South Glamorgan

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Used VW up! 60 HP (44 kW) 2016 Hatchback

(2016) VW up! 60 HP

Super price

You save £1,605

105 g CO2/km comb. - 60 HP (44 kW) - 4.5 Mpg

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Used Seat Ibiza 69 HP (50 kW) 2015 Hatchback

(2015) Seat Ibiza 69 HP

Good price

AL4 0NE Colney Heath, Hertfordshire

125 g CO2/km comb. - 69 HP (50 kW) - 5.4 Mpg

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Used Citroën C1 Feel 68 HP (50 kW) 2015 Hatchback

(2015) Citroën C1 Feel 68 HP

Super price

You save £1,405

95 g CO2/km comb. - 68 HP (50 kW) - 4.1 Mpg

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Used Ford Mondeo Business Edition 163 HP (119 kW) 2014 White Estate

(2014) Ford Mondeo Business Edition 163 HP

Good price

ML7 4LP Salsburgh, Lanarkshire

120 g CO2/km comb. - 163 HP (119 kW) - 61.0 Mpg

Used (2005) Audi A6 221 HP | Rare vehicle

3.0 TDI QUATTRO SE

2005
120,000 miles
3.0L Diesel
Sedan
Automatic
221 HP (162 kW)
CO2 emissions: 226 g CO2/km comb.
8.4 mpg
Details

£5,350

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 174 HP | Rare vehicle

2.4 SE 5dr Multitronic

2005
107,000 miles
2.4L Petrol
Estate
Automatic
174 HP (127 kW)
CO2 emissions: 229 g CO2/km comb.
29.4 mpg
Details

£5,388

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 177 HP | Rare vehicle

2.4 SE 4DR

2005
48,000 miles
2.4L Petrol
Sedan
Manual
177 HP (130 kW)
CO2 emissions: 229 g CO2/km comb.
29.4 mpg
Details

£5,690

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 140 HP

2.0 TDI SE

2005
102,000 miles
2.0L Diesel
Sedan
Manual
140 HP (102 kW)
Details

£5,100

Not evaluated

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 140 HP

2.0 TDI S

2005
38,500 miles
2.0L Diesel
Sedan
Manual
140 HP (102 kW)
Details

£5,495

Not evaluated

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 S-Line 180 HP | Rare vehicle

2.7 TDI S Line

2005
172,000 miles
Trim level: S-Line
2.7L Diesel
Sedan
Manual
180 HP (132 kW)
7 mpg
Details

£5,300

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 140 HP

2.0 TDI SE

2005
94,000 miles
2.0L Diesel
Sedan
Manual
140 HP (102 kW)
Details

£5,298

Not evaluated

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 140 HP

2.0 TDI TDV SE

2005
131,900 miles
2.0L Diesel
Estate
Manual
140 HP (102 kW)
Details

£5,195

Not evaluated

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 130 HP

1.9 TDI Final Edition 5dr

2005
90,000 miles
1.9L Diesel
Estate
Automatic
130 HP (95 kW)
Details

£5,795

Not evaluated

Dealer

CF11 Pontcanna, South Glamorgan

Used (2005) Audi A6 180 HP | Rare vehicle

2.7 TDI SE 5DR

2005
121,000 miles
2.7L Diesel
Estate
Manual
180 HP (132 kW)
7 mpg
Details

£5,895

Rare vehicle

Dealer

CF11 Pontcanna, South Glamorgan

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Used Peugeot 2008 Active 82 HP (60 kW) 2018 Grey SUV

(2018) Peugeot 2008 Active 82 HP

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You save £1,505

ML5 2EG North Lanarkshire, Lanarkshire

114 g CO2/km comb. - 82 HP (60 kW) - 4.9 Mpg

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Used Vauxhall Adam Glam 87 HP (63 kW) 2018 Hatchback

(2018) Vauxhall Adam Glam 87 HP

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You save £1,605

133 g CO2/km comb. - 87 HP (63 kW) - 5.8 Mpg

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Used Nissan Juke Tekna 110 HP (80 kW) 2017 SUV

(2017) Nissan Juke Tekna 110 HP

Good price

You save £1,205

104 g CO2/km comb. - 110 HP (80 kW) - 4.0 Mpg

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Used Peugeot 3008 Allure 116 HP (85 kW) 2015 Estate

(2015) Peugeot 3008 Allure 116 HP

Super price

You save £2,205

127 g CO2/km comb. - 116 HP (85 kW) - 4.9 Mpg

Showing 1 - 20 of 20 results

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