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2021 Audi A4 • Compare 176 used cars with valuation

Market overview: March-2026 Price Analysis: A used Audi A4 from 2021 currently costs between £14,091 and £24,995. On average, the mileage for this year stands at 55,413 miles. The depreciation and price trend over the last 12 months is -£2,300.

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Carwow

Used Audi A4 136 HP (100 kW) 2021 Estate
2021
(2021) Audi A4 136 HP
£16,990

Good price

You save £2,310
NE83HL

127 g CO2/km comb. - 136 HP (100 kW) - 4.9 Mpg

Carwow

Used Audi A4 Black Edition 150 HP (110 kW) 2021 White Estate
2021
(2021) Audi A4 Black Edition 150 HP
£20,000

Fair price

Estimated price £19,206
ME5 9QG Kent, Kent

156 g CO2/km comb. - 150 HP (110 kW) - 6.9 Mpg

Carwow

Used Audi A4 S-Line 190 HP (139 kW) 2019 White Estate
2019
(2019) Audi A4 S-Line 190 HP
£19,984

Fair price

You save £416
RM13 8RH Greater London, London

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

Carwow

Used Audi A4 S-Line 245 HP (180 kW) 2019 White Sedan
2019
(2019) Audi A4 S-Line 245 HP
£17,490

Good price

You save £2,210
HU9 1DN Kingston Upon Hull, East Yorkshire

146 g CO2/km comb. - 245 HP (180 kW) - 7.7 Mpg

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Carwow

Used Audi A4 Design 150 HP (110 kW) 2023 Sedan
2023
(2023) Audi A4 Design 150 HP
£18,499

Good price

You save £2,101
IP256HW

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

Carwow

Used Audi A4 S-Line 190 HP (139 kW) 2020 White Estate
2020
(2020) Audi A4 S-Line 190 HP
£17,250

Good price

You save £1,450
WD3 3RT Croxley Green, Hertfordshire

140 g CO2/km comb. - 190 HP (139 kW) - 5.3 Mpg

Carwow

Used Audi A4 Black Edition 150 HP (110 kW) 2019 White Estate
2019
(2019) Audi A4 Black Edition 150 HP
£17,000

Fair price

Estimated price £16,260
S81 7BQ Nottinghamshire, Nottinghamshire

139 g CO2/km comb. - 150 HP (110 kW) - 7.3 Mpg

Carwow

Used Audi A4 Black Edition 190 HP (139 kW) 2019 Grey Estate
2019
(2019) Audi A4 Black Edition 190 HP
£17,281

Fair price

Estimated price £16,610
DL1 1XP Darlington, Durham

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

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Carwow

Used Audi A4 Black Edition 190 HP (139 kW) 2019 Grey Estate
2019
(2019) Audi A4 Black Edition 190 HP
£18,599

Fair price

Estimated price £17,555
CW7 3AL Cheshire West And Chester, Cheshire

137 g CO2/km comb. - 190 HP (139 kW) - 47.1 Mpg

Carwow

Used Audi A4 Black Edition 150 HP (110 kW) 2019 Black Estate
2019
(2019) Audi A4 Black Edition 150 HP
£21,799

Fair price

Estimated price £21,189
IP25 6HW Watton, Norfolk

121 g CO2/km comb. - 150 HP (110 kW) - 45.6 Mpg

Carwow

Used Audi A4 Advanced 150 HP (110 kW) 2022 White Sedan
2022
(2022) Audi A4 Advanced 150 HP
£17,342

Good price

You save £2,358
BL2 2BL Greater Manchester, Manchester

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

Carwow

Used Audi A4 150 HP (110 kW) 2023 Estate
2023
(2023) Audi A4 150 HP
£16,600

Super price

You save £4,300
LS270TS

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

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Carwow

Used Audi A4 Comfort 190 HP (139 kW) 2021 Black Estate
2021
(2021) Audi A4 Comfort 190 HP
£20,400

Super price

You save £3,500
WD3 3RT Croxley Green, Hertfordshire

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

Carwow

Used Audi A4 163 HP (119 kW) 2023 Estate
2023
(2023) Audi A4 163 HP
£21,220

Good price

You save £1,380
CA11 9BF Westmorland And Furness, Cumbria

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

Carwow

Used Audi A4 S-Line 150 HP (110 kW) 2019 White Estate
2019
(2019) Audi A4 S-Line 150 HP
£17,899

Fair price

You save £701
S9 1XU Tinsley, South Yorkshire

139 g CO2/km comb. - 150 HP (110 kW) - 7.3 Mpg

Carwow

Used Audi A4 Black Edition 150 HP (110 kW) 2021 White Estate
2021
(2021) Audi A4 Black Edition 150 HP
£20,500

Fair price

Estimated price £20,403
LS12 2QN Armley, West Yorkshire

156 g CO2/km comb. - 150 HP (110 kW) - 6.9 Mpg

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Carwow

Used Audi A4 S-Line 190 HP (139 kW) 2019 Grey Estate
2019
(2019) Audi A4 S-Line 190 HP
£17,864

Good price

You save £1,536
RM13 8RH Greater London, London

121 g CO2/km comb. - 190 HP (139 kW) - 5.9 Mpg

Carwow

Used Audi A4 Comfort 150 HP (110 kW) 2022 White Sedan
2022
(2022) Audi A4 Comfort 150 HP
£18,899

Super price

You save £3,101
M41 Stretford, Manchester

141 g CO2/km comb. - 150 HP (110 kW) - 51.4 Mpg

Carwow

Used Audi A4 150 HP (110 kW) 2022 Black Sedan
2022
(2022) Audi A4 150 HP
£19,497

Good price

You save £2,103
PR2 2DF Lancashire, Lancashire

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

Carwow

Used Audi A4 Black Edition 150 HP (110 kW) 2020 White Estate
2020
(2020) Audi A4 Black Edition 150 HP
£20,199

Fair price

Estimated price £19,875
CW7 3AL Cheshire West And Chester, Cheshire

139 g CO2/km comb. - 150 HP (110 kW) - 44.1 Mpg

Showing 1 - 25 of 174 results
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