Used Audi A3 S Line cars for sale or finance at 10.9% APR

Check out our stock of used Audi A3 S Line cars for sale, with unbeatable prices guaranteed and flexible finance options. S Line is a high-spec version of the A3, with more aggressive styling, sports suspension and interior upgrades.

Audi A3
40 TFSI e S Line 5dr S Tronic
2023 (23) reg | 14,477 miles
Petrol Plug-in Hybrid | 3 months warranty
£18,999
£265 per month
£500 off
Audi A3
35 TFSI S Line 5dr S Tronic
2020 (69) reg | 43,733 miles
Petrol | 3 months warranty
Was £14,899£14,399
£278 per month
Save £11,741 on list price
Audi A3
30 TFSI S Line 5dr
2024 (24) reg | 32,155 miles
Petrol | 7 months warranty
£18,349
£270 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (23) reg | 47,357 miles
Petrol | 3 months warranty
£17,749
£269 per month
Audi A3
40 TFSI e S Line 5dr S Tronic
2023 (73) reg | 29,378 miles
Petrol Plug-in Hybrid | 3 months warranty
£19,749
£293 per month
Audi A3
30 TFSI S Line 5dr
2023 (23) reg | 19,821 miles
Petrol | 3 months warranty
£18,049
£259 per month
Is the Audi A3 just a posh Golf?Read full A3 review
Audi A3
35 TFSI S Line 4dr
2019 (19) reg | 34,380 miles
Petrol | 3 months warranty
£15,699
£303 per month
Audi A3
35 TFSI S Line 5dr S Tronic
2022 (22) reg | 24,404 miles
Petrol | 3 months warranty
£20,199
£303 per month
Audi A3
35 TFSI S Line 4dr S Tronic
2023 (72) reg | 4,694 miles
Petrol | 3 months warranty
£22,499
£321 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (23) reg | 36,555 miles
Petrol | 3 months warranty
£18,649
£280 per month
Is the Audi A3 right for you?Read our review
Audi A3
35 TFSI S Line 4dr S Tronic
2023 (23) reg | 25,021 miles
Petrol | 3 months warranty
£21,399
£312 per month
Audi A3
40 TFSI e S Line 5dr S Tronic
2023 (23) reg | 30,288 miles
Petrol Plug-in Hybrid | 3 months warranty
£19,449
£290 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (23) reg | 37,644 miles
Petrol | 3 months warranty
£18,649
£281 per month
£850 off
Save £8,831 on list price
Audi A3
30 TFSI S Line 4dr S Tronic
2025 (75) reg | 3,404 miles
Petrol | 24 months warranty
Was £26,399£25,549
£364 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (23) reg | 37,270 miles
Petrol | 3 months warranty
£18,599
£279 per month
Save £16,501 on list price
Audi A3
40 TFSI e S Line 5dr S Tronic
2025 (75) reg | 17,161 miles
Petrol Plug-in Hybrid | 24 months warranty
£25,499
£371 per month
Audi A3
35 TFSI S Line 5dr S Tronic [Comfort-PlusSound]
2023 (23) reg | 22,063 miles
Petrol | 3 months warranty
£21,249
£304 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (23) reg | 6,542 miles
Petrol | 3 months warranty
£21,249
£311 per month
£1,300 off
Audi A3
35 TDI S Line 5dr S Tronic
2023 (73) reg | 22,039 miles
Diesel | 3 months warranty
Was £23,149£21,849
£324 per month
Save £15,801 on list price
Audi A3
40 TFSI e S Line 5dr S Tronic
2025 (75) reg | 11,463 miles
Petrol Plug-in Hybrid | 24 months warranty
£26,199
£379 per month
Audi A3
35 TFSI S Line 5dr
2023 (73) reg | 30,908 miles
Petrol | 3 months warranty
£18,949
£271 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (23) reg | 27,744 miles
Petrol | 3 months warranty
£18,449
£267 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (23) reg | 24,997 miles
Petrol | 3 months warranty
£19,699
£293 per month
All our cars are ready to take home the same day
Find out more
Save £17,801 on list price
Audi A3
40 TFSI e S Line 5dr S Tronic
2025 (25) reg | 23,677 miles
Petrol Plug-in Hybrid | 21 months warranty
£24,199
£353 per month
Audi A3
1.0 TFSI S Line 5dr S Tronic
2018 (18) reg | 29,694 miles
Petrol | 3 months warranty
£14,899
£287 per month
Audi A3
30 TFSI S Line 4dr
2023 (73) reg | 12,792 miles
Petrol | 3 months warranty
£19,449
£277 per month
Audi A3
35 TFSI S Line 4dr S Tronic
2019 (69) reg | 23,095 miles
Petrol | 3 months warranty
£18,199
£351 per month
Save £9,326 on list price
Audi A3
30 TFSI S Line 5dr
2024 (74) reg | 18,938 miles
Petrol | 13 months warranty
£21,599
£316 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (72) reg | 32,725 miles
Petrol | 3 months warranty
£18,099
£266 per month
Save £11,191 on list price
Audi A3
30 TFSI S Line 5dr S Tronic
2024 (24) reg | 26,319 miles
Petrol | 7 months warranty
£20,449
£304 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (23) reg | 22,764 miles
Petrol | 3 months warranty
£19,499
£286 per month
Audi A3
30 TFSI S Line 5dr S Tronic
2023 (23) reg | 32,633 miles
Petrol | 3 months warranty
£18,699
£277 per month
Audi A3
35 TFSI S Line 5dr
2022 (72) reg | 5,824 miles
Petrol | 3 months warranty
£20,299
£292 per month

Why buy a used Audi A3 S Line:

The Audi A3 S Line comes packed with equipment and sporty-focused touches. Those include a more aggressive bodykit, 18-inch alloy wheels and lower suspension for a meaner look. Inside, you'll find a big infotainment screen with smartphone mirroring and sports seats.

None of that detracts from the impressive package that the Audi A3 is, with a spacious interior and excellent build quality that make it a desirable family car.

Key features of the Audi A3 S Line:

Sporty exterior styling
18-inch alloy wheels
LED headlights
Sports suspension
Infotainment system with Apple CarPlay and Android Auto
Front and rear parking sensors
Reversing camera
Cruise control

Other models you may be interested in:

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Mercedes A-Class - A desirable badge on the front of a well-rounded hatchback