Audi A4 (diesel) • 1,031 cars with Valuation

Market overview: Diesel Audi A4 (June-2026): There are currently 1,031 used diesel Audi A4 cars for sale. Prices range from £2,975 to £28,497, with a median price of £11,290. AutoUncle has identified 232 cars as being offered below market price. The typical selling time for a diesel Audi A4 is approximately 26 days, and 41.4% of the listings have recently been reduced in price (Source: AutoUncle market data, June-2026).

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Carwow

Used Audi A4 Sport 150 HP (110 kW) 2017 Estate

(2017) Audi A4 Sport 150 HP

Good price

You save £1,405

104 g CO2/km comb. - 150 HP (110 kW) - 4.0 Mpg

Carwow

Used Audi A4 Sport 150 HP (110 kW) 2017 Sedan

(2017) Audi A4 Sport 150 HP

Fair price

101 g CO2/km comb. - 150 HP (110 kW) - 3.9 Mpg

Carwow

Used Audi A4 S-Line 190 HP (139 kW) 2017 Black Sedan

(2017) Audi A4 S-Line 190 HP

Fair price

RM13 8RH Greater London, London

113 g CO2/km comb. - 190 HP (139 kW) - 4.4 Mpg

Carwow

Used Audi A4 S-Line 190 HP (139 kW) 2018 White Estate

(2018) Audi A4 S-Line 190 HP

Fair price

M44 5AH Irlam, Manchester

112 g CO2/km comb. - 190 HP (139 kW) - 65.0 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-7%

1 / 4

Used (2025) Audi A4 S-Line 163 HP | Good price

- 35 TDI S Line 4dr Tronic

2025
19,222 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
163 HP (119 kW)
CO2 emissions: 137 g CO2/km comb.
5.2 mpg
Details

Good price

£24,512

£26,635

DE214SX, Derbyshire

Availability verified

1 / 4

Used (2021) Audi A4 S-Line 136 HP | Good price

30 TDI S Line 4dr S Tronic

2021
68,172 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
136 HP (100 kW)
CO2 emissions: 135 g CO2/km comb.
5.1 mpg
Details

Good price

£15,670

£15,438

WC1E 7DP Greater London, London

Availability verified

-6%

1 / 4

Used (2019) Audi A4 S-Line 190 HP | Good price

Avant 2019 | 2.0 TDI 40 S line S

2019
44,240 miles
Trim level: S-Line
2.0L Diesel
Estate
Automatic
190 HP (139 kW)
CO2 emissions: 140 g CO2/km comb.
6.4 mpg
Details

Good price

£18,060

£19,300

S60 5BD Catcliffe, South Yorkshire

Availability verified

-13%

1 / 2

Used (2015) Audi A4 163 HP | Good price

- Avant 2.0 TDI Ultra 163 SE

2015
92,600 miles
2.0L Diesel
Estate
Manual
163 HP (119 kW)
CO2 emissions: 114 g CO2/km comb.
4.4 mpg
Details

Good price

£6,494

£7,494

OL8 4PQ Greater Manchester, Manchester

Availability verified

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Used Audi A4 S-Line 150 HP (110 kW) 2015 White Estate

(2015) Audi A4 S-Line 150 HP

Fair price

Estimated price £8,152

PE134AX, Cambridgeshire

129 g CO2/km comb. - 150 HP (110 kW) - 4.9 Mpg

Carwow

Used Audi A4 S-Line 150 HP (110 kW) 2015 Blue Sedan

(2015) Audi A4 S-Line 150 HP

Fair price

Estimated price £7,882

DN5 9TJ South Yorkshire, South Yorkshire

127 g CO2/km comb. - 150 HP (110 kW) - 58.0 Mpg

Carwow

Used Audi A4 S-Line 150 HP (110 kW) 2017 Estate

(2017) Audi A4 S-Line 150 HP

Fair price

Estimated price £11,013

G3 6ED Glasgow City, Glasgow

111 g CO2/km comb. - 150 HP (110 kW) - 4.2 Mpg

Carwow

Used Audi A4 S-Line 150 HP (110 kW) 2016 Black Estate

(2016) Audi A4 S-Line 150 HP

Fair price

OL8 4PQ Greater Manchester, Manchester

111 g CO2/km comb. - 150 HP (110 kW) - 4.2 Mpg

New

1 / 4

Used (2016) Audi A4 Sport 190 HP | Good price

2.0 TDI 190 Quattro Sport 5dr S

2016
96,056 miles
Trim level: Sport
2.0L Diesel
Estate
Automatic
190 HP (139 kW)
CO2 emissions: 116 g CO2/km comb.
4.5 mpg
Details

Good price

£9,615

£9,452

ST4 4TU Stoke-On-Trent, Staffordshire

Availability verified

-8%

1 / 4

Used (2025) Audi A4 S-Line 163 HP | Super price

- 35 TDI S Line 4dr Tronic

2025
20,800 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
163 HP (119 kW)
CO2 emissions: 137 g CO2/km comb.
5.2 mpg
Details

Super price

£21,395

£23,395

BR3 6QJ Beckenham, London

Availability verified

-6%

1 / 4

Used (2021) Audi A4 163 HP | Good price

- Avant 35 TDI Technik 5dr S

2021
45,360 miles
2.0L Diesel
Estate
Automatic
163 HP (119 kW)
CO2 emissions: 127 g CO2/km comb.
4.9 mpg
Details

Good price

£16,100

£17,200

WA28JH

Availability verified

1 / 4

Used (2015) Audi A4 S-Line 177 HP | Good price

2.0 TDI S line

2015
84,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Manual
177 HP (130 kW)
CO2 emissions: 134 g CO2/km comb.
5.1 mpg
Details

Good price

£6,995

DH3 3HE County Durham, Durham

Availability verified

1 / 1

Used (2017) Audi A4 Sport 190 HP | Good price

- Avant 2.0 TDI Ultra 190 Sport

2017
92,027 miles
Trim level: Sport
2.0L Diesel
Estate
Manual
190 HP (139 kW)
CO2 emissions: 106 g CO2/km comb.
4.1 mpg
Details

Good price

£8,990

EX11 1RE Devon, Devon

Availability verified

-13%

1 / 3

Used (2025) Audi A4 S-Line 163 HP | Super price

- 35 TDI S Line 4dr Tronic

2025
26,233 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
163 HP (119 kW)
CO2 emissions: 137 g CO2/km comb.
5.2 mpg
Details

Super price

£20,649

£23,751

E6 5LU Greater London, London

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Used Audi A4 S-Line 190 HP (139 kW) 2016 Black Sedan

(2016) Audi A4 S-Line 190 HP

Fair price

Estimated price £10,931

TS6 6UR Redcar And Cleveland, North Yorkshire

118 g CO2/km comb. - 190 HP (139 kW) - 4.5 Mpg

Carwow

Used Audi A4 Sport 190 HP (139 kW) 2016 Blue Estate

(2016) Audi A4 Sport 190 HP

Good price

You save £1,385

ST4 4TU Stoke-On-Trent, Staffordshire

116 g CO2/km comb. - 190 HP (139 kW) - 4.5 Mpg

Carwow

Used Audi A4 Sport 190 HP (139 kW) 2017 Estate

(2017) Audi A4 Sport 190 HP

Good price

You save £1,710

EX11 1RE Devon, Devon

106 g CO2/km comb. - 190 HP (139 kW) - 4.1 Mpg

Carwow

Used Audi A4 163 HP (119 kW) 2022 Black Estate

(2022) Audi A4 163 HP

Fair price

EN8 8DY Waltham Cross, Hertfordshire

129 g CO2/km comb. - 163 HP (119 kW) - 4.9 Mpg

-4%

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Used (2015) Audi A4 163 HP | Good price

2.0 TDI ultra SE Technik

2015
120,465 miles
2.0L Diesel
Sedan
Manual
163 HP (119 kW)
CO2 emissions: 109 g CO2/km comb.
4.2 mpg
Details

Good price

£4,000

£4,200

DH3 3HE County Durham, Durham

Availability verified

1 / 4

Used (2015) Audi A4 Business 143 HP | Good price

- 2.0 TDIe SE Technik 4dr

2015
69,000 miles
Trim level: Business
2.0L Diesel
Sedan
Manual
143 HP (105 kW)
CO2 emissions: 112 g CO2/km comb.
4.3 mpg
Details

Good price

£7,200

Ebbw Vale, Powys

Availability verified

1 / 4

Used (2017) Audi A4 Sport 150 HP | Good price

- Avant 2.0 TDI Ultra Sport

2017
80,000 miles
Trim level: Sport
2.0L Diesel
Estate
Manual
150 HP (110 kW)
CO2 emissions: 104 g CO2/km comb.
4 mpg
Details

Good price

£9,495

RG263JE

Availability verified

1 / 4

Used (2025) Audi A4 S-Line 163 HP | Super price

- 35 TDI S Line 4dr Tronic

2025
32,927 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
163 HP (119 kW)
CO2 emissions: 137 g CO2/km comb.
5.2 mpg
Details

Super price

£20,000

WD3 3RT Croxley Green, Hertfordshire

Availability verified

-5%

1 / 4

Used (2025) Audi A4 S-Line 163 HP | Super price

- 35 TDI S Line 4dr Tronic

2025
73,500 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
163 HP (119 kW)
CO2 emissions: 137 g CO2/km comb.
5.2 mpg
Details

Super price

£16,000

£17,000

NR14 6JD Loddon, Norfolk

Availability verified

1 / 4

Used (2015) Audi A4 136 HP | Super price

- Avant 2.0 TDIe SE Technik

2015
88,000 miles
2.0L Diesel
Estate
Manual
136 HP (100 kW)
CO2 emissions: 116 g CO2/km comb.
4.4 mpg
Details

Super price

£5,795

WF59TP

Availability verified

-26%

1 / 3

Used (2016) Audi A4 S-Line | Good price

Saloon (2016/66)2.0 TDI S Line 4d

2016
107,600 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
67 mpg
Details

Good price

£7,395

£9,995

Parkers.co.uk

M34 5PH Audenshaw, Manchester

-13%

1 / 3

Used (2015) Audi A4 S-Line 150 HP | Good price

Avant (2015/15)2.0 TDI (150bhp) S

2015
136,507 miles
Trim level: S-Line
2.0L Diesel
Estate
Manual
150 HP (110 kW)
60 mpg
Details

Good price

£4,695

£5,445

Parkers.co.uk

M34 5PH Audenshaw, Manchester

-5%

1 / 4

Used (2016) Audi A4 Sport 190 HP | Good price

Avant (2016/66)2.0 TDI Ultra

2016
93,460 miles
Trim level: Sport
2.0L Diesel
Estate
Manual
190 HP (139 kW)
68 mpg
Details

Good price

£8,495

£8,995

Motors.co.uk

M34 5PH Audenshaw, Manchester

-10%

1 / 3

Used (2013) Audi A4 Comfort 143 HP | Good price

2.0 TDI SE Technik Multitronic

2013
81,893 miles
Trim level: Comfort
2.0L Diesel
Sedan
Automatic
143 HP (105 kW)
58 mpg
Details

Good price

£5,345

£5,995

Motors.co.uk

M34 5PH Audenshaw, Manchester

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Used Audi A4 Design 190 HP (139 kW) 2020 White Estate

(2020) Audi A4 Design 190 HP

Fair price

Estimated price £12,223

CV9 2PZ Grendon, Warwickshire

127 g CO2/km comb. - 190 HP (139 kW) - 4.9 Mpg

Carwow

Used Audi A4 Black Edition 177 HP (130 kW) 2014 Black Sedan

(2014) Audi A4 Black Edition 177 HP

Fair price

MK40 4LN Bedford, Bedfordshire

134 g CO2/km comb. - 177 HP (130 kW) - 5.1 Mpg

Carwow

Used Audi A4 Sport 163 HP (119 kW) 2019 Grey Sedan

(2019) Audi A4 Sport 163 HP

Fair price

Cleveland, North Yorkshire

126 g CO2/km comb. - 163 HP (119 kW) - 4.8 Mpg

Carwow

Used Audi A4 S-Line 190 HP (139 kW) 2017 White Estate

(2017) Audi A4 S-Line 190 HP

Fair price

Estimated price £12,798

CM7 2QN Essex, Essex

120 g CO2/km comb. - 190 HP (139 kW) - 4.4 Mpg

-10%

1 / 3

Used (2013) Audi A4 Black Edition 177 HP | Good price

2.0 TDI 177 Black Edition 5dr

2013
113,246 miles
Trim level: Black Edition
2.0L Diesel
Estate
Automatic
177 HP (130 kW)
57 mpg
Details

Good price

£6,295

£6,995

Motors.co.uk

M34 5PH Audenshaw, Manchester

-6%

1 / 4

Used (2020) Audi A4 Sport 190 HP | Super price

2.0 TDI 40 Sport Saloon 4dr Diesel

2020
30,335 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
190 HP (139 kW)
5.8 mpg
Details

Super price

£16,399

£17,599

Motors.co.uk

YO19 4SH Crockey Hill, North Yorkshire

-8%

1 / 4

Used (2019) Audi A4 Black Edition 190 HP | Good price

2.0 TDI 40 Black Edition Saloon

2019
44,233 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Automatic
190 HP (139 kW)
Details

Good price

£17,675

£19,299

Motors.co.uk

MK1 1BU Bletchley, Buckinghamshire

-22%

1 / 4

Used (2015) Audi A4 Design 163 HP | Good price

Avant 2.0 TDI ultra SE Technik

2015
102,619 miles
Trim level: Design
2.0L Diesel
Estate
Manual
163 HP (119 kW)
CO2 emissions: 114 g CO2/km comb.
64 mpg
Details

Good price

£5,450

£6,995

Motors.co.uk

OL11 4HY Rochdale, Manchester

-5%

1 / 4

Used (2020) Audi A4 Black Edition | Super price

35 TDI Black Edition 4dr S

2020
22,522 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Automatic
Details

Super price

£20,499

£21,799

Motors.co.uk

B69 2AS West Midlands, West Midlands

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Used Audi A4 S-Line 190 HP (139 kW) 2017 Grey Estate

(2017) Audi A4 S-Line 190 HP

Fair price

Estimated price £12,321

HU9 1DN Kingston Upon Hull, East Yorkshire

111 g CO2/km comb. - 190 HP (139 kW) - 4.2 Mpg

Carwow

Used Audi A4 S-Line 150 HP (110 kW) 2017 Sedan

(2017) Audi A4 S-Line 150 HP

Fair price

109 g CO2/km comb. - 150 HP (110 kW) - 4.2 Mpg

Carwow

Used Audi A4 S-Line 177 HP (130 kW) 2015 White Sedan

(2015) Audi A4 S-Line 177 HP

Good price

You save £1,005

DH3 3HE County Durham, Durham

134 g CO2/km comb. - 177 HP (130 kW) - 5.1 Mpg

Carwow

Used Audi A4 S-Line 190 HP (139 kW) 2017 Grey Estate

(2017) Audi A4 S-Line 190 HP

Fair price

Estimated price £13,253

G3 6ED Glasgow City, Glasgow

114 g CO2/km comb. - 190 HP (139 kW) - 61.0 Mpg

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