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Cazoo
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Audi
A3
S Line
2021

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162

Used 2021 Audi A3 S Line cars for sale

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29
£11,571
Audi A3
2021 (21) 30 TFSI S Line 5dr
2021
118,747 miles
Petrol
Manual
Car Motion
rotherham
23
£18,200£278 (PCP)
Audi A3
2021 SPORTBACK TFSI S LINE 5Door
Leather Seats,Apple CarPlay
2021
30,486 miles
Petrol
Manual
Big Motoring World Leeds
leeds
25
£17,999
Audi A3
2021 (71) 35 TFSI S Line 5dr S Tronic
Rear Privacy ? Sensors
2021
50,024 miles
Petrol
Auto
HPL Motors Oldham
oldham
22
£18,995£278 (PCP)
Audi A3
2021 35 TFSI S Line 5dr
2021
23,601 miles
Petrol
Manual
ADC Vehicle Sales
ashton-under-lyne
26
£13,195£278 (HP)
Audi A3
2021 1.4 TFSIe 40 S line Sportback 5dr Petrol Plugin Hybrid S Tronic Euro 6 (s/
APPLE CARPLAY VIRTUAL COCKPIT
2021
91,850 miles
Hybrid
Auto
V12 Sports and Classics Worksop
worksop

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33
£20,549£315 (PCP)
Audi A3
2021 35 TFSI S Line 5dr S Tronic
SATNAV | LEATHER | DAB
2021
15,022 miles
Petrol
Auto
Motorpoint Castleford
castleford
39
£18,819£291 (PCP)
Audi A3
2021 1.0 TFSI 30 S line Sportback 5dr Petrol S Tronic Euro 6 (s/s) (110 ps) LA
2021
27,325 miles
Petrol
Auto
Carsa Bradford
bradford
4.4
37
£19,995£312 (PCP)
Audi A3
2021 (21) 1.0 TFSI 30 S line Sportback S Tronic Euro 6 (s/s) 5dr
LOW MILEAGE FINANCE 2 KEYS
2021
32,500 miles
Petrol
Auto
H and M Cars Ltd
barnsley
25
£19,799
Audi A3
2021 (71) 1.5 TFSI 35 S line Sportback 5dr Petrol S Tronic Euro 6 (s/s) (150 ps)
Sat Nav ? Bluetooth
2021
35,600 miles
Petrol
Auto
HPL Motors Oldham
oldham
25
£18,299
Audi A3
2021 (71) 1.0 TFSI 30 S line Sportback 5dr Petrol Manual Euro 6 (s/s) (110 ps)
Privacy Glass ? Half Leather
2021
17,350 miles
Petrol
Manual
HPL Motors Oldham
oldham

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16
£16,480£270 (PCP)
Audi A3
2021 (21) 1.5 TFSI 35 S line Sportback 5dr Petrol Manual Euro 6 (s/s) (150 ps)
2021
67,000 miles
Petrol
Manual
Airedale Motor Company Ltd
ilkley
4
£15,350
Audi A3
2021 40 TFSI e S Line 5dr S Tronic
2021
56,109 miles
Auto
Evans Halshaw Vauxhall Leeds
leeds
4.3
36
£19,395£276 (PCP)
Audi A3
2021 1.4 A3 Sportback 40 TFSI S Line E SemiAuto 5dr
2021
20,263 miles
Hybrid
Auto
Ace Prestige Autos
leeds
31
£800 off
£20,695£21,495£339 (PCP)
Audi A3
2021 35 TFSI S Line 5dr S Tronic
Privacy Glass,AC/Climate
2021
19,487 miles
Petrol
Auto
Motor Range Manchester
ashton-under-lyne
24
£290 off
£19,500£19,790£332 (PCP)
Audi A3
2021 30 TDI S Line 5dr
2021
21,369 miles
Diesel
Manual
Cars2 Wakefield MG
wakefield
60
£15,495£255 (PCP)
Audi A3
2021 (21) 1.0 TFSI 30 S line S Tronic Euro 6 (s/s) 4dr
FULL AUDI SERVICE HISTORY
2021
76,000 miles
Petrol
Auto
AUTO BAHN MOTORS
ashton-under-lyne
23
£12,495£183 (PCP)
Audi A3
2021 (21) 40 TFSI e S Line 5dr S Tronic
**FULL SERVICE HISTORY**
2021
75,200 miles
Hybrid
Auto
BP Car Sales Ltd
bradford
39
£19,979£333 (PCP)
Audi A3
2021 (21) 1.5 TFSI 35 S line Sportback S Tronic Euro 6 (s/s) 5dr
S3 PackStarLightsNavAmbient
2021
67,000 miles
Petrol
Auto
EVM Sports and Prestige
rochdale
3.9
45
£21,497£357 (PCP)
Audi A3
2021 (21) 1.5 TFSI 35 S line S Tronic Euro 6 (s/s) 4dr
RS3 PackageLeatherNavDab
2021
55,000 miles
Petrol
Auto
EVM Sports and Prestige
rochdale
3.9
45
£17,497
Audi A3
2021 35 TFSI S Line 5dr
2021
46,868 miles
Petrol
Manual
Peoples Prescot
prescot
59
£20,543
Audi A3
2021 (21) 35 TFSI S Line 5dr S Tronic Petrol Hatchback
+APPLE CARPLAY+CRUISE+SENSORS+
2021
27,142 miles
Petrol
Auto
Vertu Skoda Nottingham
nottingham
25
£18,599
Audi A3
2021 (71) 35 TFSI S Line 5dr
1 Owner Sat Nav Cruise
2021
28,905 miles
Petrol
Manual
HPL Motors Atherton
atherton
57
£17,700£371 (HP)
Audi A3
2021 1.5 TFSI 35 S line Sportback S Tronic Euro 6 (s/s) 5dr
Parking Sensors| Bluetooth
2021
51,472 miles
Petrol
Auto
Motor Match Stockport
stockport
4
30
£20,349£319 (PCP)
Audi A3
2021 35 TFSI S Line 5dr S Tronic
SATNAV | LEATHER | DAB
2021
24,126 miles
Petrol
Auto
Motorpoint Stockton-On-Tees
stockton-on-tees

1
2
…
7

Audi A3 review

Pros

Comfortable ride
Surprisingly good value
Very fuel-efficient engines

Cons

Some rivals have more space
Interior not to all tastes
Not best-in-class for interior quality

Audi A3 summary

4.5 / 5 review score

Author Charles Harvey kneeling in front of a car

Author: Charlie Harvey18th Dec 2025 – 8 min read

Audi A3 review image

162 Used 2021 Audi A3 S Line cars for sale | Cazoo