2018 Audi A3 Cabriolet • Compare 11 used cars with valuation

Market overview: March-2026 Price Analysis: A used Audi A3 Cabriolet from 2018 currently costs between £11,500 and £22,950. On average, the mileage for this year stands at 52,828 miles. The depreciation and price trend over the last 12 months is -£1,400.

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Carwow

2018

(2018) Audi A3 Cabriolet Sport 150 HP

£16,149

Fair price

Estimated price £16,091

NP19 4YR Newport, Gwent

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

Carwow

2017

(2017) Audi A3 Cabriolet Sport 150 HP

£12,697

Fair price

You save £1,003

NE29 7TE Tyne And Wear, Tyne And Wear

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

Carwow

2019

(2019) Audi A3 Cabriolet S-Line 150 HP

£16,150

Fair price

Estimated price £15,603

N11 1GN Greater London, London

155 g CO2/km comb. - 150 HP (110 kW) - 6.6 Mpg

Carwow

2017

(2017) Audi A3 Cabriolet Sport 150 HP

£10,988

Good price

You save £1,412

EN92PA

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

1 / 4

Used (2018) Audi A3 Cabriolet Sport 150 HP | Fair price

- 1.5 TFSI Sport 2dr S Tronic

2018
21,071 miles
Trim level: Sport
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
mpg: 5.1
CO2: 117 g CO2/km comb.
Details

Fair price

£16,149

£16,299

NP19 4YR Newport, Gwent

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Availability verified

-6%

1 / 3

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

A3 1.5S Line TFSI 2dr

2018
64,883 miles
Trim level: S-Line
1.5L Petrol
Cabriolet
Manual
150 HP (110 kW)
Details

Fair price

£12,995

£13,840

Motors.co.uk

CO2 8HR Essex, Essex

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1 / 4

Used (2018) Audi A3 Cabriolet Sport | Fair price

1.5 TFSI Sport 2dr

2018
56,000 miles
Trim level: Sport
1.5L Petrol
Cabriolet
Manual
Details

Fair price

£12,990

Motors.co.uk

PR2 8AN Lancashire, Lancashire

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1 / 4

Used (2018) Audi A3 Cabriolet Sport 150 HP | Fair price

1.5 TFSI CoD 35 Sport Convertible

2018
77,750 miles
Trim level: Sport
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
Details

Fair price

£11,500

Motors.co.uk

WN5 8EG Pemberton, Manchester

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Carwow

2017

(2017) Audi A3 Cabriolet Sport 150 HP

£10,200

Good price

You save £1,300

WD3 3RT Croxley Green, Hertfordshire

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

Carwow

2019

(2019) BMW 318 M Sport 150 HP

£14,490

Fair price

You save £110

NE8 3HL Tyne And Wear, Tyne And Wear

167 g CO2/km comb. - 150 HP (110 kW) - 6.1 Mpg

Carwow

2019

(2019) BMW 318 M Sport 150 HP

£15,790

Fair price

You save £210

NP20 5NT Newport, Gwent

167 g CO2/km comb. - 150 HP (110 kW) - 6.1 Mpg

Carwow

2019

(2019) BMW 318 150 HP

£16,825

Fair price

You save £275

RM13 8RH Greater London, London

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

-2%

1 / 4

Used (2018) Audi A3 Cabriolet Sport 150 HP | Fair price

1.5 TFSI Sport 2dr

2018
57,000 miles
Trim level: Sport
1.5L Petrol
Cabriolet
Manual
150 HP (110 kW)
Details

Fair price

£12,690

£12,980

Motors.co.uk

BB2 7HX Osbaldeston, Lancashire

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1 / 4

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

1.5 TFSI S Line 2dr

2018
72,686 miles
Trim level: S-Line
1.5L Petrol
Cabriolet
Manual
150 HP (110 kW)
Details

Fair price

£12,995

Motors.co.uk

TS25 5SS Hartlepool, Durham

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New

Used (2018) Audi A3 Cabriolet Comfort 150 HP | A bit pricey

1.5 TFSI S Line 2dr [Comfort and

2018
52,264 miles
Trim level: Comfort
1.5L Petrol
Cabriolet
Manual
150 HP (110 kW)
mpg: 53.3
CO2: 121 g CO2/km comb.
Details

A bit pricey

£14,699

£14,199

CW7 3AL Cheshire West And Chester, Cheshire

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Availability verified

New

1 / 4

Used (2018) Audi A3 Cabriolet S-Line | A bit pricey

A3 1.5 S Line TFSI Semi-Auto

2018
39,261 miles
Trim level: S-Line
1.5L Petrol
Cabriolet
Automatic
Details

A bit pricey

£16,410

Motors.co.uk

ME14 3HL Detling, Kent

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-5%

1 / 4

Used (2018) Audi A3 Cabriolet S-Line 150 HP | Expensive

1.5 TFSI S Line 2dr S Tronic

2018
46,389 miles
Trim level: S-Line
1.5L Petrol
Cabriolet
Automatic
150 HP (110 kW)
Details

Expensive

£16,995

£17,995

Motors.co.uk

CT10 2UR Kent, Kent

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Used (2018) Audi A3 Cabriolet S-Line 190 HP | Rare vehicle

- 2.0 TFSI Quattro S Line 2dr

2018
46,800 miles
Trim level: S-Line
2.0L Petrol
Cabriolet
Automatic
190 HP (139 kW)
mpg: 6.1
CO2: 141 g CO2/km comb.
Details

£14,162

Rare vehicle

E65LU

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Carwow

2017

(2017) BMW 318 M Sport 150 HP

£16,500

Fair price

Estimated price £15,786

WD3 3RT Croxley Green, Hertfordshire

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

Carwow

2019

(2019) BMW 318 Sport Line 136 HP

£11,994

Good price

You save £1,606

OL84PQ

182 g CO2/km comb. - 136 HP (100 kW) - 7.7 Mpg

Carwow

2016

(2016) VW CC R-line 184 HP

£11,990

Fair price

Estimated price £11,143

NE8 3HL Tyne And Wear, Tyne And Wear

130 g CO2/km comb. - 184 HP (135 kW) - 56.0 Mpg

Carwow

2019

(2019) BMW 318 M Sport 150 HP

£16,983

Fair price

Estimated price £16,939

RM13 8RH Greater London, London

167 g CO2/km comb. - 150 HP (110 kW) - 6.1 Mpg

1 / 4

Used (2018) Audi A3 Cabriolet Business

S3 TFSI Quattro 2dr S Tronic

2018
47,000 miles
Trim level: Business
2.0L Petrol
Cabriolet
Automatic
Details

£22,950

Not evaluated

Motors.co.uk

SL0 9HW Buckinghamshire, Buckinghamshire

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Carwow

2020

(2020) BMW 318 Sport Line 150 HP

£16,999

Fair price

You save £401

RM13 8RH Greater London, London

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

Carwow

2018

(2018) BMW 318 M Sport 150 HP

£11,499

Fair price

You save £801

NE63 0YA Northumberland, Northumberland

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

Carwow

2018

(2018) BMW 318 M Sport 150 HP

£10,750

Fair price

You save £150

BD17 7QD Baildon, West Yorkshire

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

Carwow

2017

(2017) BMW 318 Sport Line 136 HP

£10,499

Good price

You save £1,001

CW7 3AL Cheshire West And Chester, Cheshire

136 g CO2/km comb. - 136 HP (100 kW) - 54.3 Mpg

Showing 1 - 11 of 11 results

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Good price

Fair price

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Expensive

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Audi A3 Cabriolet (171)