116 used Audi A4 with Trim-level (S-Line) for sale | Best bargains start at £12,749

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Used (2022) Audi A4 S-Line 204 HP | Good price

2.0 TFSI 40 S line Saloon 4dr

2022
39,300 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
204 HP (150 kW)
Details

Good price

£20,600

£21,000

Dealer

SW17 0HB Tooting, London

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Used (2017) Audi A4 S-Line 190 HP | Super price

2.0 TFSI S line Saloon 4dr Petrol

2017
41,470 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
190 HP (139 kW)
Details

Super price

£11,490

£12,790

Dealer

KT5 9DN Surbiton, London

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Used (2008) Audi A4 S-Line | Super price

Cabriolet (2008/08)2.0T FSI S Line

2008
97,000 miles
Trim level: S-Line
2.0L Petrol
Cabriolet
Automatic
mpg: 33
Details

Super price

£1,995

£2,995

Dealer

heathrow, London

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Used (2017) Audi A4 S-Line | Fair price

1.4T FSI S Line 5dr S Tronic

2017
86,156 miles
Trim level: S-Line
1.4L Petrol
Estate
Automatic
Details

Fair price

£11,290

£11,599

Dealer

NW9 9DT LONDON, London

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Used (2022) Audi A4 S-Line 201 HP | Fair price

2022 | 2.0 TFSI 40 S line S Tronic

2022
39,300 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
201 HP (147 kW)
Details

Fair price

£20,900

£21,300

Dealer

This veh This vehicle is located at Wimbledon Big Motoring WorldWaterside WayLondonSWHB, London

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Used (2023) Audi A4 S-Line 204 HP | Fair price

40 TFSI 204 S Line 5dr S Tronic -

Jul 2023
17,376 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
CO2: 160 g CO2/km comb.
Details

Fair price

£27,990

£28,195

Dealer

WC1E 7DP London, London

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1 / 4

Used (2017) Audi A4 S-Line | Fair price

2.0T FSI S Line 4dr S Tronic

2017
73,974 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
Details

Fair price

£12,999

Dealer

NW9 9DT LONDON, London

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1 / 4

Used (2017) Audi A4 S-Line | Fair price

2.0T FSI S Line 4dr S Tronic

2017
78,937 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
Details

Fair price

£13,499

Dealer

NW9 9DT LONDON, London

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Used (2021) Audi A4 S-Line 163 HP | Fair price

2.0 TDI 35 S line Saloon 4dr

2021
20,301 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
163 HP (119 kW)
mpg: 52.3
Details

Fair price

£22,995

£23,395

Dealer

KT3 6ES New Malden, London

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Used (2022) Audi A4 S-Line 150 HP | Fair price

Saloon (2022/72)S Line 35 TFSI

2022
40,200 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
150 HP (110 kW)
mpg: 39.2
Details

Fair price

£19,690

£19,990

Dealer

HA8 7EE Edgware, London

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Audi A4 - 35 TFSI Black Edition 4dr

£20,474

Fair price

Estimated price £19,641

E65LU, London

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

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Audi A4 - Avant 40 TFSI S Line 5dr Tronic

£19,480

Good price

You save £1,920

E65LU, London

167 g CO2/km comb. - 190 HP (139 kW) - 7.3 Mpg

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Audi A4 - 40 TFSI Black Edition 4dr S Tronic

£20,490

Fair price

You save £210

HA36AG, London

164 g CO2/km comb. - 190 HP (139 kW) - 7.2 Mpg

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Audi A4 Avant 35 TFSI Sport 5dr S Tronic

£17,089

Good price

You save £1,511

WC1E 7DP London, London

135 g CO2/km comb. - 150 HP (110 kW) - 48.0 Mpg

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Used (2017) Audi A4 S-Line | Fair price

AVANT 2.0 TFSI S line S Tronic

2017
52,373 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
Details

Fair price

£14,985

£16,485

Dealer

Middlesex, London

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Used (2017) Audi A4 S-Line 150 HP | A bit pricey

1.4T FSI S Line 4dr S Tronic

2017
93,000 miles
Trim level: S-Line
1.4L Petrol
Sedan
Automatic
150 HP (110 kW)
mpg: 5.5
CO2: 126 g CO2/km comb.
Details

A bit pricey

£10,988

HA01TX, London

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Used (2018) Audi A4 S-Line | A bit pricey

1.4T FSI S Line 4dr S Tronic

2018
74,744 miles
Trim level: S-Line
1.4L Petrol
Sedan
Automatic
Details

A bit pricey

£12,999

Dealer

NW9 9DT LONDON, London

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Used (2017) Audi A4 S-Line | A bit pricey

1.4T FSI S Line 5dr S Tronic

2017
74,313 miles
Trim level: S-Line
1.4L Petrol
Estate
Automatic
Details

A bit pricey

£12,749

Dealer

NW9 9DT LONDON, London

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

2.0 TDI S line Saloon 4dr Diesel

2015
31,200 miles
Trim level: S-Line
2.0L Diesel
Sedan
Automatic
150 HP (110 kW)
mpg: 58
Details

Expensive

£13,999

£14,500

Dealer

HA4 7DY Ruislip, London

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Used (2025) Audi A4 S-Line 204 HP

- 40 TFSI 204 S Line 4dr Troni

2025
39,300 miles
Trim level: S-Line
Petrol
Sedan
Automatic
204 HP (150 kW)
mpg: 6.8
CO2: 155 g CO2/km comb.
Details

£20,900

£21,300

Not evaluated

SW170HB, London

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Used (2004) Audi A4 S-Line 190 HP | Rare vehicle

1.8T 190 S line [6] 4dr

2004
130,000 miles
Trim level: S-Line
1.8L Petrol
Sedan
Manual
190 HP (139 kW)
mpg: 32
Details

£700

Rare vehicle

Dealer

KT6 5DE Surbiton, London

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Used (2023) Audi A4 S-Line 150 HP | Good price

Avant 35 TFSI S Line 5dr S

2023
12,609 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
150 HP (110 kW)
mpg: 38.2
Details

Good price

£25,840

£27,990

Dealer

WC1E 7DP London, London

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Used (2023) Audi A4 S-Line 150 HP | Good price

Avant 35 TFSI S Line 5dr S

2023
29,668 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
150 HP (110 kW)
mpg: 39
CO2: 160 g CO2/km comb.
Details

Good price

£23,197

£24,500

Dealer

WC1E 7DP London, London

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Used (2023) Audi A4 S-Line 148 HP | Good price

Avant 35 TFSI S Line 5dr S

2023
17,651 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
148 HP (108 kW)
Details

Good price

£24,500

£28,900

Dealer

Delivered to you

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Audi A4 1.4T FSI Sport 4dr

£10,900

Good price

You save £1,300

N111GN Barnet, London

126 g CO2/km comb. - 150 HP (110 kW) - 5.3 Mpg

Carwow

Audi A4 -Avant 1.4T FSI S Line 5dr Tronic [Leather/Alc]

£11,795

Fair price

You save £505

CR03RG, London

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

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BMW 320 - 3 Series i M Sport 4dr Step Auto

£21,174

Good price

You save £2,326

E65LU, London

146 g CO2/km comb. - 184 HP (135 kW) - 6.4 Mpg

Carwow

Audi A6 -Avant 40 TFSI S Line 5dr Tronic

£21,000

Fair price

Estimated price £20,372

SW170HB, London

170 g CO2/km comb. - 204 HP (150 kW) - 7.3 Mpg

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Used (2022) Audi A4 S-Line 201 HP | Good price

40 TFSI 204 S Line 4dr S Troni

2022
21,261 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
201 HP (147 kW)
Details

Good price

£22,900

£23,700

Dealer

WC1E 7DP London, London

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Used (2019) Audi A4 S-Line 147 HP | Good price

Avant 35 TFSI S Line 5dr S

2019
50,091 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
147 HP (108 kW)
Details

Good price

£18,000

£18,450

Dealer

Delivered to you

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Used (2023) Audi A4 S-Line 147 HP | Good price

Avant 35 TFSI S Line 5dr S

2023
5,974 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
147 HP (108 kW)
Details

Good price

£26,500

£27,000

Dealer

WC1E 7DP London, London

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Used (2024) Audi A4 S-Line 204 HP | Good price

Avant 40 TFSI 204 S Line 5dr S

2024
19,532 miles
Trim level: S-Line
2.0L Petrol
Estate
Automatic
204 HP (150 kW)
Details

Good price

£27,490

£28,980

Dealer

WC1E 7DP London, London

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Used (2023) Audi A4 S-Line 148 HP | Good price

35 TFSI S Line 4dr S Tronic

2023
10,670 miles
Trim level: S-Line
2.0L Petrol
Sedan
Automatic
148 HP (108 kW)
Details

Good price

£23,389

£23,789

Dealer

Delivered to you

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(S-Line) Audi A4 used • 116 cars with price check

Market overview: Market price for Audi A4 (S-Line): The average price is £23,930, ranging from £12,749 to £30,970. Out of 116 cars for sale with the S-Line trim, AutoUncle has identified 22 deals currently listed below market value.

Used (2022) Audi A4 S-Line 204 HP | Good price

Used (2017) Audi A4 S-Line 190 HP | Super price

Used (2008) Audi A4 S-Line | Super price

Used (2017) Audi A4 S-Line | Fair price

Used (2022) Audi A4 S-Line 201 HP | Fair price

Used (2023) Audi A4 S-Line 204 HP | Fair price

Used (2017) Audi A4 S-Line | Fair price

Used (2017) Audi A4 S-Line | Fair price

Used (2021) Audi A4 S-Line 163 HP | Fair price

Used (2022) Audi A4 S-Line 150 HP | Fair price

Used (2017) Audi A4 S-Line | Fair price

Used (2017) Audi A4 S-Line 150 HP | A bit pricey

Used (2018) Audi A4 S-Line | A bit pricey

Used (2017) Audi A4 S-Line | A bit pricey

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

Used (2025) Audi A4 S-Line 204 HP

Used (2004) Audi A4 S-Line 190 HP | Rare vehicle

Used (2023) Audi A4 S-Line 150 HP | Good price

Used (2023) Audi A4 S-Line 150 HP | Good price

Used (2023) Audi A4 S-Line 148 HP | Good price

Used (2022) Audi A4 S-Line 201 HP | Good price

Used (2019) Audi A4 S-Line 147 HP | Good price

Used (2023) Audi A4 S-Line 147 HP | Good price

Used (2024) Audi A4 S-Line 204 HP | Good price

Used (2023) Audi A4 S-Line 148 HP | Good price