2018 Audi A3 • Compare 267 used cars with valuation

Market overview: March-2026 Price Analysis: A used Audi A3 from 2018 currently costs between £8,990 and £26,495. On average, the mileage for this year stands at 64,399 miles. The depreciation and price trend over the last 12 months is -£780.

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Carwow

2018

(2018) Audi A3 Black Edition 184 HP

£16,100

Fair price

You save £400

WD3 3RT Croxley Green, Hertfordshire

127 g CO2/km comb. - 184 HP (135 kW) - 4.5 Mpg

Carwow

2018

(2018) Audi A3 S-Line 150 HP

£14,949

Fair price

You save £251

BB12 6EH Lancashire, Lancashire

117 g CO2/km comb. - 150 HP (110 kW) - 5.1 Mpg

Carwow

2017

(2017) Audi A3 S-Line 150 HP

£12,197

Fair price

You save £403

PR2 2DF Lancashire, Lancashire

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

Carwow

2019

(2019) Audi A3 Sport 150 HP

£12,000

Fair price

You save £400

N11 1GN Greater London, London

144 g CO2/km comb. - 150 HP (110 kW) - 6.3 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-3%

1 / 3

Used (2018) Audi A3 S-Line 184 HP | Good price

-Saloon 2.0 TDI 184 Quattro S Line

2018
53,741 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
184 HP (135 kW)
CO2 emissions: 130 g CO2/km comb.
mpg: 5
Details

Good price

£14,795

£15,259

NN12 West Northamptonshire, Northamptonshire

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1 / 4

Used (2018) Audi A3 Sport 150 HP | Good price

- Saloon 1.5 TFSI Sport 4dr

2018
121,651 miles
Trim level: Sport
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 115 g CO2/km comb.
mpg: 5.1
Details

Good price

£8,000

IP76RH, Suffolk

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Availability verified

1 / 4

Used (2018) Audi A3 Sport 150 HP | Good price

- Saloon 1.5 TFSI Sport 4dr

2018
105,568 miles
Trim level: Sport
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
CO2 emissions: 115 g CO2/km comb.
mpg: 5.1
Details

Good price

£7,995

PR4 1UN Freckleton, Lancashire

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Availability verified

-12%

1 / 1

Used (2018) Audi A3 S-Line 116 HP | Good price

Sportback (2018/68)S Line 30 TFSI

2018
24,774 miles
Trim level: S-Line
1.0L Petrol
Sedan
Manual
116 HP (85 kW)
mpg: 46.3
Details

Good price

£12,995

£14,795

Parkers.co.uk

Bridgend, Mid Glamorgan

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Carwow

2017

(2017) Audi A3 Sport 150 HP

£11,990

Good price

You save £1,710

BH151JF

112 g CO2/km comb. - 150 HP (110 kW) - 4.8 Mpg

Carwow

2017

(2017) Audi A3 Black Edition 150 HP

£13,197

Fair price

Estimated price £12,280

S13 9BS Handsworth, South Yorkshire

113 g CO2/km comb. - 150 HP (110 kW) - 4.7 Mpg

Carwow

2019

(2019) Audi A3 Sport 150 HP

£15,761

Fair price

Estimated price £15,729

E6 5LU Greater London, London

144 g CO2/km comb. - 150 HP (110 kW) - 6.3 Mpg

Carwow

2017

(2017) Audi A3 Black Edition 150 HP

£15,500

Fair price

Estimated price £14,590

DN3 3ED Armthorpe, South Yorkshire

113 g CO2/km comb. - 150 HP (110 kW) - 5.0 Mpg

1 / 4

Used (2018) Audi A3 Sport 190 HP | Good price

2.0 TFSI Sport 5dr

2018
51,530 miles
Trim level: Sport
2.0L Petrol
Sedan
Manual
190 HP (139 kW)
CO2 emissions: 125 g CO2/km comb.
mpg: 5.5
Details

Good price

£12,099

£11,999

Motors.co.uk

CW7 3AL Cheshire West And Chester, Cheshire

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1 / 4

Used (2018) Audi A3 Sport 150 HP | Super price

- Saloon 2.0 TDI Sport 4dr S

2018
56,083 miles
Trim level: Sport
2.0L Diesel
Sedan
Automatic
150 HP (110 kW)
CO2 emissions: 114 g CO2/km comb.
mpg: 4.4
Details

Super price

£12,950

£13,000

Motors.co.uk

DE65 5FJ Hilton, Derbyshire

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-2%

1 / 4

Used (2018) Audi A3 | Good price

35 TFSI SE Technik 5dr

2018
39,348 miles
1.5L Petrol
Sedan
Manual
Details

Good price

£13,199

£13,499

Motors.co.uk

G32 9QA Glasgow City, Glasgow

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New

Used (2018) Audi A3 Sport 150 HP | Super price

35 TFSI Sport 4dr S Tronic

2018
46,300 miles
Trim level: Sport
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
mpg: 43.5
Details

Super price

£12,990

Motors.co.uk

CM23 2HG Hertfordshire, Hertfordshire

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1 / 4

Used (2018) Audi A3 Sport 150 HP | Good price

1.5 TFSI Sport 5dr S Tronic

2018
57,673 miles
Trim level: Sport
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
Details

Good price

£13,690

£13,490

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New

1 / 1

Used (2018) Audi A3 Comfort 116 HP | Super price

Sportback (2018/68)SE Technik 30

2018
49,961 miles
Trim level: Comfort
1.6L Diesel
Sedan
Automatic
116 HP (85 kW)
mpg: 51.4
Details

Super price

£12,199

Motors.co.uk

NP13 2EQ Blaenau Gwent, Gwent

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Carwow

2018

(2018) Audi A3 S-Line 184 HP

£14,795

Good price

You save £1,205

NN12 West Northamptonshire, Northamptonshire

130 g CO2/km comb. - 184 HP (135 kW) - 5.0 Mpg

Carwow

2017

(2017) Audi A3 S-Line 150 HP

£13,099

Fair price

You save £101

CW7 3AL Cheshire West And Chester, Cheshire

117 g CO2/km comb. - 150 HP (110 kW) - 55.4 Mpg

Carwow

2018

(2018) Audi A3 S-Line 150 HP

£12,797

Fair price

Estimated price £12,646

LN5 8NU Lincolnshire, Lincolnshire

145 g CO2/km comb. - 150 HP (110 kW) - 6.4 Mpg

Carwow

2019

(2019) Audi A3 Sport 150 HP

£13,539

Super price

You save £2,861

RM13 8RH Greater London, London

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

-3%

1 / 1

Used (2018) Audi A3 S-Line 150 HP | Good price

Sportback (2018/18)S Line 1.5 TFSI

2018
83,600 miles
Trim level: S-Line
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
mpg: 54
Details

Good price

£10,799

£11,199

Parkers.co.uk

Peterborough, Cambridgeshire

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-4%

1 / 1

Used (2018) Audi A3 Black Edition 150 HP | Good price

Sportback (2018/67)Black Edition

2018
79,700 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Automatic
150 HP (110 kW)
mpg: 62
Details

Good price

£12,695

£13,250

Parkers.co.uk

Glasgow, Glasgow

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-3%

1 / 1

Used (2018) Audi A3 S-Line 150 HP | Good price

Sportback (2018/18)S Line 1.5 TFSI

2018
69,750 miles
Trim level: S-Line
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
mpg: 54
Details

Good price

£11,995

£12,450

Parkers.co.uk

Glasgow, Glasgow

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-10%

1 / 2

Used (2018) Audi A3 S-Line 150 HP | Good price

1.5 TFSI S Line 5dr - 2018

Mar 2018
93,004 miles
Trim level: S-Line
1.5L Petrol
Hatchback
Manual
150 HP (110 kW)
CO2 emissions: 118 g CO2/km comb.
Details

Good price

£9,790

£10,990

Buyacar

Delivered to you

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-6%

1 / 3

Used (2018) Audi A3 S-Line | Good price

1.5 TFSI S Line 4dr S Tronic

2018
58,900 miles
Trim level: S-Line
1.5L Petrol
Sedan
Automatic
Details

Good price

£13,444

£14,444

Motors.co.uk

GU19 5EZ Surrey, Surrey

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-3%

1 / 4

Used (2018) Audi A3 Black Edition 150 HP | Good price

2.0 TDI Black Edition 4dr S Tronic

2018
60,000 miles
Trim level: Black Edition
2.0L Diesel
Sedan
Automatic
150 HP (110 kW)
Details

Good price

£12,495

£12,895

Motors.co.uk

SG17 5QQ Deadman'S Cross, Bedfordshire

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-1%

1 / 2

Used (2018) Audi A3 S-Line 184 HP | Good price

2.0 TDI 184 Quattro S Line 5dr S

Mar 2018
73,432 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
184 HP (135 kW)
CO2 emissions: 127 g CO2/km comb.
mpg: 4.8
Details

Good price

£13,690

£13,840

Buyacar

Delivered to you

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-4%

1 / 4

Used (2018) Audi A3 Black Edition 150 HP | Good price

1.5 TFSI CoD 35 Black Edition

2018
75,768 miles
Trim level: Black Edition
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
Details

Good price

£12,875

£13,549

Motors.co.uk

MK1 1BU Bletchley, Buckinghamshire

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-4%

1 / 4

Used (2018) Audi A3 116 HP | Good price

30 TDI 116 SE Technik 5dr

2018
43,760 miles
1.6L Diesel
Sedan
Manual
116 HP (85 kW)
CO2 emissions: 114 g CO2/km comb.
mpg: 64.2
Details

Good price

£11,798

£12,298

Dealer

DD3 6AH Dundee City Council, Dundee

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-4%

1 / 1

Used (2018) Audi A3 Sport 150 HP | Good price

Sportback (2018/68)Sport 35 TFSI

2018
69,305 miles
Trim level: Sport
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
mpg: 43.5
Details

Good price

£11,250

£11,750

Parkers.co.uk

Swindon, Wiltshire

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Carwow

2018

(2018) Audi A3 Sport 116 HP

£11,495

Fair price

You save £805

CM83NW

105 g CO2/km comb. - 116 HP (85 kW) - 4.0 Mpg

Carwow

2016

(2016) Audi A3 Sport 150 HP

£13,295

Good price

You save £1,905

RG214HG

118 g CO2/km comb. - 150 HP (110 kW) - 4.5 Mpg

Carwow

2016

(2016) Audi A3 S-Line 150 HP

£12,878

Fair price

You save £322

HA90AN

113 g CO2/km comb. - 150 HP (110 kW) - 4.8 Mpg

Carwow

2018

(2018) Audi A3 Black Edition 150 HP

£11,799

Fair price

Estimated price £11,450

WR3 7RL Claines, Worcestershire

117 g CO2/km comb. - 150 HP (110 kW) - 5.1 Mpg

-6%

1 / 3

Used (2018) Audi A3 S-Line 150 HP | Good price

Saloon 1.5 TFSI S Line 4dr S

2018
39,362 miles
Trim level: S-Line
1.5L Petrol
Sedan
Automatic
150 HP (110 kW)
Details

Good price

£14,895

£15,995

Buyacar

Delivered to you

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-3%

1 / 4

Used (2018) Audi A3 Sport 150 HP | Super price

1.5 TFSI Sport 5dr S Tronic

2018
98,000 miles
Trim level: Sport
1.5L Petrol
Hatchback
Automatic
150 HP (110 kW)
Details

Super price

£7,745

£7,985

Motors.co.uk

SW16 4DS Greater London, London

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1 / 1

Used (2018) Audi A3 S-Line 150 HP | Good price

2.0 TDI 35 S line Saloon 4dr

2018
122,000 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
150 HP (110 kW)
mpg: 62
Details

Good price

£9,995

Parkers.co.uk

FY4 5HD Blackpool, Lancashire

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-4%

1 / 3

Used (2018) Audi A3 S-Line 150 HP | Good price

1.5 TFSI S Line 5dr

2018
66,565 miles
Trim level: S-Line
1.5L Petrol
Sedan
Manual
150 HP (110 kW)
mpg: 54
Details

Good price

£11,495

£11,995

Motors.co.uk

CA3 0HA Cumberland, Cumbria

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-5%

1 / 1

Used (2018) Audi A3 Design 116 HP | Super price

Sportback (2018/18)SE Technik 1.0

2018
75,000 miles
Trim level: Design
1.0L Petrol
Sedan
Manual
116 HP (85 kW)
mpg: 62
Details

Super price

£7,995

£8,495

Parkers.co.uk

Leicester, Leicestershire

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Carwow

2019

(2019) Audi A3 Sport 116 HP

£13,197

Fair price

You save £703

S70 5SZ Birdwell, South Yorkshire

139 g CO2/km comb. - 116 HP (85 kW) - 5.3 Mpg

Carwow

2018

(2018) Audi A3 Black Edition 190 HP

£17,649

Fair price

Estimated price £16,824

PE1 5YG Peterborough, Cambridgeshire

133 g CO2/km comb. - 190 HP (139 kW) - 5.8 Mpg

Carwow

2019

(2019) Audi A3 Black Edition 150 HP

£16,945

Fair price

Estimated price £16,309

RM13 8RH Greater London, London

145 g CO2/km comb. - 150 HP (110 kW) - 6.4 Mpg

Carwow

2017

(2017) Audi A3 Sport 150 HP

£9,290

Good price

You save £1,710

Cleveland, North Yorkshire

109 g CO2/km comb. - 150 HP (110 kW) - 4.7 Mpg

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Audi A3 (1000+)