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Audi A3 (diesel) • 993 cars with Valuation

Market overview: Diesel Audi A3 (September-2026): There are currently 993 used diesel Audi A3 cars for sale. Prices range from £2,495 to £21,544, with a median price of £7,591. AutoUncle has identified 201 cars as being offered below market price. The typical selling time for a diesel Audi A3 is approximately 25 days, and 31.1% of the listings have recently been reduced in price (Source: AutoUncle market data, September-2026).

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Used Audi A3 Sport 116 HP (85 kW) 2017 Black Sedan

(2017) Audi A3 Sport 116 HP

Super price

You save £2,010

UB7 8HY Greater London, London

105 g CO2/km comb. - 116 HP (85 kW) - 70.0 Mpg

Carwow

Used Audi A3 Black Edition 150 HP (110 kW) 2017 Black Sedan

(2017) Audi A3 Black Edition 150 HP

Fair price

M35 9BS Failsworth, Manchester

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

Carwow

Used Audi A3 S-Line 110 HP (80 kW) 2016 Black Sedan

(2016) Audi A3 S-Line 110 HP

Fair price

Estimated price £10,583

SO18 1BH Southampton, Hampshire

103 g CO2/km comb. - 110 HP (80 kW) - 3.9 Mpg

Carwow

Used Audi A3 Black Edition 184 HP (135 kW) 2017 Grey Sedan

(2017) Audi A3 Black Edition 184 HP

Fair price

CH14LT, Cheshire

129 g CO2/km comb. - 184 HP (135 kW) - 4.8 Mpg

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-3%

1 / 4

Used (2019) Audi A3 Sport 150 HP | Super price

Saloon 2020 Sport 35 TDI 4dr S

2019
85,559 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 142 g CO2/km comb.
5.4 mpg
Details

Super price

£10,500

£10,850

SG9 9JS Hertfordshire, Hertfordshire

Availability verified

-1%

1 / 4

Used (2020) Audi A3 Sport 150 HP | Good price

2.0 TDI 30 Sport Saloon 4dr Diesel

2020
10,552 miles
Trim level: Sport
2.0L Diesel
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 108 g CO2/km comb.
4.1 mpg
Details

Good price

£16,888

£17,180

WS11 8LX Great Wyrley, Staffordshire

Availability verified

-1%

1 / 1

New (2026) Audi A3 Sport 150 HP | Super price

- Saloon 2.0 TDI 150 Sport 4dr S

2026
10 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 125 g CO2/km comb.
4.8 mpg
Details

Super price

£30,127

£30,653

SO533DH Chandlers Ford, Hampshire

Availability verified

-5%

1 / 4

Used (2021) Audi A3 Sport 116 HP | Good price

ASTON BARCLAY 2.0 TDI 30 Sport

2021
22,885 miles
Trim level: Sport
2.0L Diesel
Sedan
Manual
116 HP (85 kW)
CO2 emissions: 115 g CO2/km comb.
61.4 mpg
Details

Good price

£17,990

£18,990

BL9 6HH Greater Manchester, Manchester

Availability verified

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Carwow

Used Audi A3 Sport 150 HP (110 kW) 2019 Black Sedan

(2019) Audi A3 Sport 150 HP

Super price

You save £3,000

SG9 9JS Hertfordshire, Hertfordshire

142 g CO2/km comb. - 150 HP (110 kW) - 5.4 Mpg

Carwow

Photos coming soon

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(2019) Audi A3 S-Line 150 HP

Fair price

Estimated price £14,513

CA3 0HA Cumberland, Cumbria

144 g CO2/km comb. - 150 HP (110 kW) - 5.5 Mpg

Carwow

Used Audi A3 S-Line 116 HP (85 kW) 2019 Grey Sedan

(2019) Audi A3 S-Line 116 HP

Fair price

S41 9AJ Whittington Moor, Derbyshire

139 g CO2/km comb. - 116 HP (85 kW) - 51.4 Mpg

Carwow

Used Audi A3 Sport 116 HP (85 kW) 2019 Red Sedan

(2019) Audi A3 Sport 116 HP

Good price

You save £1,405

LN6 3SR Lincolnshire, Lincolnshire

139 g CO2/km comb. - 116 HP (85 kW) - 51.4 Mpg

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Used (2024) Audi A3 S-Line 150 HP | Super price

Saloon 2024 S Line 35 TDI 4dr

2024
63,113 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 124 g CO2/km comb.
4.7 mpg
Details

Super price

£15,717

£16,717

PE1 5HE Peterborough, Cambridgeshire

Availability verified

-2%

1 / 4

Used (2017) Audi A3 Sport 116 HP | Super price

Saloon 2018 Sport 1.6 TDI 116 4dr

2017
94,550 miles
Trim level: Sport
1.6L Diesel
Sedan
Automatic
116 HP (85 kW)
CO2 emissions: 105 g CO2/km comb.
70 mpg
Details

Super price

£8,590

£8,790

UB7 8HY Greater London, London

Availability verified

-3%

1 / 4

Used (2019) Audi A3 Sport 116 HP | Good price

Saloon 2020 Sport 30 TDI 116

2019
51,416 miles
Trim level: Sport
1.6L Diesel
Sedan
Manual
116 HP (85 kW)
CO2 emissions: 139 g CO2/km comb.
51.4 mpg
Details

Good price

£12,495

£12,995

LN6 3SR Lincolnshire, Lincolnshire

Availability verified

-3%

1 / 1

Used (2016) Audi A3 Sport 150 HP | Good price

Sportback Sport 2.0 TDI 150PS

2016
97,000 miles
Trim level: Sport
2.0L Diesel
Manual
150 HP (110 kW)
CO2 emissions: 111 g CO2/km comb.
65 mpg
Details

Good price

£7,494

£7,794

Parkers.co.uk

BS16 Hambrook, Gloucestershire

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1 / 1

Used (2021) Audi A3 S-Line 147 HP | Good price

Saloon 35 TDI S line 4dr S Tronic

2021
63,113 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
147 HP (108 kW)
CO2 emissions: 124 g CO2/km comb.
58.9 mpg
Details

Good price

£15,903

Parkers.co.uk

Peterborough, Cambridgeshire

-6%

1 / 1

Used (2015) Audi A3 Sport 110 HP | Good price

Sportback 1.6 TDI (110bhp) Sport

2015
105,000 miles
Trim level: Sport
1.6L Diesel
Manual
110 HP (80 kW)
CO2 emissions: 105 g CO2/km comb.
70 mpg
Details

Good price

£4,695

£4,995

Parkers.co.uk

EH48 Bathgate, West Lothian

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Carwow

Used Audi A3 Sport 150 HP (110 kW) 2021 Grey Sedan

(2021) Audi A3 Sport 150 HP

Fair price

SO18 1BH Southampton, Hampshire

116 g CO2/km comb. - 150 HP (110 kW) - 4.6 Mpg

Carwow

Used Mini Cooper Hatch 116 HP (85 kW) 2018 Red Hatchback

(2018) Mini Cooper Hatch 116 HP

Fair price

Estimated price £6,860

KY12 9ES Fife, Fife

103 g CO2/km comb. - 116 HP (85 kW) - 3.9 Mpg

Carwow

Used Mini Cooper Hatch 116 HP (85 kW) 2017 Silver Hatchback

(2017) Mini Cooper Hatch 116 HP

Good price

TN15 6JD West Kingsdown, Kent

99 g CO2/km comb. - 116 HP (85 kW) - 3.8 Mpg

Carwow

Used BMW 118 M Sport 150 HP (110 kW) 2016 Blue Hatchback

(2016) BMW 118 M Sport 150 HP

Fair price

Estimated price £7,297

SG9 9JS Hertfordshire, Hertfordshire

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

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Used (2013) Audi A3 Sport 147 HP | Good price

Sportback 2.0 TDI Sport 5d

2013
80,100 miles
Trim level: Sport
2.0L Diesel
Manual
147 HP (108 kW)
CO2 emissions: 108 g CO2/km comb.
68 mpg
Details

Good price

£5,690

£5,790

Parkers.co.uk

Sunderland, Tyne And Wear

New

1 / 4

Used (2011) Audi A3 | Good price

1.6 TDI SE 5dr

2011
101,000 miles
1.6L Diesel
Hatchback
Manual
Details

Good price

£1,795

Motors.co.uk

TS25 1PD Hartlepool, Durham

-18%

1 / 4

Used (2012) Audi A3 Sport 103 HP | Good price

1.6 TDI Sport 5dr 10 services

2012
73,700 miles
Trim level: Sport
1.6L Diesel
Hatchback
Manual
103 HP (75 kW)
CO2 emissions: 109 g CO2/km comb.
68 mpg
Details

Good price

£4,495

£5,495

Motors.co.uk

SA6 8NJ Plasmarl, West Glamorgan

-16%

1 / 4

Used (2017) Audi A3 Sport 150 HP | Good price

2.0 TDI Sport 5dr S Tronic

2017
115,000 miles
Trim level: Sport
2.0L Diesel
Hatchback
Automatic
150 HP (110 kW)
Details

Good price

£7,495

£8,995

Motors.co.uk

NP12 1DD Caerphilly County Borough, Gwent

-8%

1 / 4

Used (2017) Audi A3 Sport 184 HP | Super price

2.0 TDI Sport

2017
70,177 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
184 HP (135 kW)
CO2 emissions: 127 g CO2/km comb.
4.8 mpg
Details

Super price

£10,250

£11,250

Motors.co.uk

BL2 6QB Breightmet, Manchester

-13%

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Used (2015) Audi A3 Comfort 110 HP | Good price

1.6 TDI ultra SE Technik

2015
74,670 miles
Trim level: Comfort
1.6L Diesel
Hatchback
Manual
110 HP (80 kW)
CO2 emissions: 127 g CO2/km comb.
4.7 mpg
Details

Good price

£6,850

£7,890

Motors.co.uk

BL2 6QB Breightmet, Manchester

-13%

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Used (2017) Audi A3 Comfort | Good price

1.6 TDI SE 5 DOOR *LOVELY EXAMPLE

2017
64,000 miles
Trim level: Comfort
1.6L Diesel
Hatchback
Manual
Details

Good price

£9,495

£10,995

Motors.co.uk

SA4 4ET Gorseinon, West Glamorgan

New

1 / 1

Used (2016) Audi A3 Sport 150 HP | Super price

2.0 TDI Sport 5dr S Tronic

2016
116,970 miles
Trim level: Sport
2.0L Diesel
Hatchback
Automatic
150 HP (110 kW)
CO2 emissions: 119 g CO2/km comb.
62 mpg
Details

Super price

£5,900

Parkers.co.uk

MK1 1BA Bletchley, Buckinghamshire

-7%

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Used (2019) Audi A3 Sport 113 HP | Good price

30 TDI 116 Sport 4dr Saloon

2019
79,268 miles
Trim level: Sport
1.6L Diesel
Sedan
Manual
113 HP (83 kW)
Details

Good price

£10,390

£11,250

Exchange and Mart

WC1E 7DP Greater London, London

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Used (2016) Audi A3 Sport 108 HP | Good price

1.6 TDI Sport 4dr

2016
104,913 miles
Trim level: Sport
1.6L Diesel
Sedan
Manual
108 HP (79 kW)
CO2 emissions: 106 g CO2/km comb.
72 mpg
Details

Good price

£6,250

£6,495

Motors.co.uk

WN7 1BU Greater Manchester, Manchester

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Carwow

Used BMW 118 Sport Line 150 HP (110 kW) 2018 White Hatchback

(2018) BMW 118 Sport Line 150 HP

Good price

You save £1,500

ST16 3DR Staffordshire, Staffordshire

120 g CO2/km comb. - 150 HP (110 kW) - 5.6 Mpg

Carwow

Used Mercedes A200 136 HP (100 kW) 2015 Hatchback

(2015) Mercedes A200 136 HP

Fair price

103 g CO2/km comb. - 136 HP (100 kW) - 4.1 Mpg

Carwow

Used Mercedes A200 AMG line 136 HP (100 kW) 2017 Red Hatchback

(2017) Mercedes A200 AMG line 136 HP

Fair price

HX1 3NS West Yorkshire, West Yorkshire

111 g CO2/km comb. - 136 HP (100 kW) - 4.3 Mpg

Carwow

Used Audi A1 Sportback Sport 116 HP (85 kW) 2016 Black Hatchback

(2016) Audi A1 Sportback Sport 116 HP

Good price

You save £1,460

CB22 6SE Foxton, Cambridgeshire

97 g CO2/km comb. - 116 HP (85 kW) - 3.7 Mpg

1 / 4

Used (2022) Audi A3 114 HP | Super price

2022 | 2.0 TDI 30 Technik

2022
77,040 miles
2.0L Diesel
Sedan
Manual
114 HP (83 kW)
CO2 emissions: 108 g CO2/km comb.
4.1 mpg
Details

Super price

£12,860

£12,660

Dealer

06082 Enfield, Hertfordshire

1 / 1

Used (2016) Audi A3 108 HP | Good price

Sportback SE Technik 1.6 TDI 110PS

2016
52,000 miles
1.6L Diesel
Hatchback
Manual
108 HP (79 kW)
CO2 emissions: 99 g CO2/km comb.
74 mpg
Details

Good price

£8,985

£8,995

Parkers.co.uk

LE3 5EE Leicester, Leicestershire

-13%

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Used (2013) Audi A3 Sport | Good price

1.6 TDI Sport 3dr S Tronic

2013
64,921 miles
Trim level: Sport
1.6L Diesel
Hatchback
Automatic
Details

Good price

£5,999

£6,904

Motors.co.uk

WA16 8XD Over Peover, Cheshire

1 / 4

Used (2017) Audi A3 | Good price

1.6 TDI SE Technik 5dr

2017
36,409 miles
1.6L Diesel
Hatchback
Manual
Details

Good price

£10,699

£10,799

Motors.co.uk

LS12 1AA West Yorkshire, West Yorkshire

New

1 / 4

Used (2016) Audi A3 S-Line 150 HP | Good price

2.0 TDI 150 Quattro S Line 3dr

2016
84,098 miles
Trim level: S-Line
2.0L Diesel
Hatchback
Manual
150 HP (110 kW)
CO2 emissions: 122 g CO2/km comb.
4.7 mpg
Details

Good price

£8,490

Motors.co.uk

PE12 8QD Holbeach, Lincolnshire

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Used Mercedes A200 136 HP (100 kW) 2015 Hatchback

(2015) Mercedes A200 136 HP

Fair price

111 g CO2/km comb. - 136 HP (100 kW) - 4.4 Mpg

Carwow

Used Mercedes A200 Sport Edition 136 HP (100 kW) 2018 Red Hatchback

(2018) Mercedes A200 Sport Edition 136 HP

Fair price

M35 9BS Failsworth, Manchester

111 g CO2/km comb. - 136 HP (100 kW) - 65.0 Mpg

Carwow

Used Mercedes A200 136 HP (100 kW) 2015 Blue Hatchback

(2015) Mercedes A200 136 HP

Fair price

NE12 9SW Longbenton, Tyne And Wear

103 g CO2/km comb. - 136 HP (100 kW) - 4.1 Mpg

Carwow

Used Seat Leon FR 150 HP (110 kW) 2017 Black Hatchback

(2017) Seat Leon FR 150 HP

Fair price

PE4 6QZ Peterborough, Cambridgeshire

112 g CO2/km comb. - 150 HP (110 kW) - 4.4 Mpg

Showing 1 - 25 of 982 results

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