0Favourites
  • Select country
    • UK
    • FR

    Filters (4)

    Audi
    A3 Saloon
    any - £100,000
    Postcode
    Postcode
    Please enter a valid UK postcode
    Distance: {distance, select, all {All} 1 {{distance} mile} other {{distance} miles} }(402)
    Price
    Min
    Max
    (402)
    Make (1)

    Popular Makes

    All available makes

      A

    • B

    • C

    • D

    • F

    • G

    • H

    • I

    • J

    • K

    • L

    • M

    • P

    • R

    • S

    • T

    • V

    Model (1)

      Audi

    Model variants

      A3 Saloon variants

    Fuel type
    Year
    All our cars are less than 10 years old
    Min
    Max
    (402)
    Mileage
    At heycar, all our cars have less than 100,000 miles on the clock
    Min
    Max
    ( 402)
    Gearbox
    Colour
    Doors (1)
    Seats
    Body type
    Engine Size
    • 1.0
    • 1.2
    • 1.4
    • 1.6
    • 1.8
    • 2.0
    • 2.4
    • 2.6
    • 3.0
    • 1.0
    • 1.2
    • 1.4
    • 1.6
    • 1.8
    • 2.0
    • 2.4
    • 2.6
    • 3.0
    (402)
    Quick links
    1.01.21.41.61.82.02.42.63.0
    Power
    Min
    Max
    (402)
    Sold vehicles

    • Search used cars
    • New cars coming in 2025
    • Value your car
    • Sell a car
    • Find a dealer
    • Electric cars
    • Car guides
    • Car reviews
    • Money back guarantee
    • About
    • Careers
    • Authors and experts
    • Join as a dealer
    • Terms & conditions
    • Privacy policy
    • Privacy settings
    • Cookie policy
    • Complaints
    • Buy online terms
    • Dealer terms
    • Monday-Friday, 9am-5pm
    • 020 3936 1257
    • hey@heycar.co.uk

    See what customers are saying

    “Excellent”
    Trustscore: 4.3/5
    Find us on
    Copyright 2025 heycar - All rights reserved
    heyAI search results

    Hey there!

    Our new heyAI search is still learning, and getting smarter everyday to bring you exactly what you're looking for.

    For best results, try using clear, specific phrases like this:

    • Make and model (VW Golf GTI)
    • Colour and body type (e.g. SUV, hatchback)
    • Fuel type (petrol, diesel, electric, hybrid)
    • Age of the vehicle (less than 3 years old)
    • Mileage (less than 10k miles)
    • Your budget (total/monthly)

    We're constantly improving to make your car search easier. Thanks for your patience!

    455 Audi A3 Saloon 4-Door cars under £100000 for sale

    Sort by
    • Relevance
    • Distance
    • Age (oldest)
    • Age (newest)
    • Price (lowest)
    • Price (highest)
    • Miles (lowest)
    • Miles (highest)
    • Newly listed
    Main listing image - Audi A3 Saloon
    40

    Audi A3 Saloon35 TFSI Black Edition 4dr

    2024
    5,951 miles
    Petrol

    £29,295

    £988 off
    £28,307
    OL12RL
    Main listing image - Audi A3 Saloon
    40

    Audi A3 Saloon30 TFSI Sport 4dr

    2025
    2,000 miles
    Petrol

    £24,450

    B783JF
    23

    Audi A3 Saloon30 TFSI S Line 4dr S Tronic

    2021
    31,962 miles
    Petrol

    £21,000

    NE163BL
    33

    Audi A3 Saloon35 TFSI S Line 4dr

    2023
    13,276 miles
    Petrol

    £23,990

    £499 off
    £23,491
    HU91TQ
    40

    Audi A3 Saloon35 TFSI Black Edition 4dr S Tronic

    2025
    1,500 miles
    Petrol

    £34,850

    WA57YD
    25

    Audi A3 Saloon35 TFSI S Line 4dr S Tronic

    2022
    12,843 miles
    Petrol

    £24,400

    £600 off
    £23,800
    DL38TL
    40

    Audi A3 Saloon35 TFSI Sport 4dr S Tronic

    2022
    16,378 miles
    Petrol

    £21,490

    £1,000 off
    £20,490
    ML37JP
    40

    Audi A3 Saloon35 TFSI Black Edition 4dr S Tronic

    2024
    13,312 miles
    Petrol

    £31,490

    £2,227 off
    £29,263
    MK150DQ
    40

    Audi A3 Saloon35 TFSI S Line 4dr S Tronic

    2024
    23,036 miles
    Petrol

    £27,550

    £559 off
    £26,991
    L59XN
    40

    Audi A3 Saloon35 TDI Edition 1 4dr S Tronic

    2022
    21,626 miles
    Diesel

    £27,950

    £1,474 off
    £26,476
    SG51RQ
    40

    Audi A3 Saloon35 TFSI Edition 1 4dr S Tronic

    2023
    20,272 miles
    Petrol

    £26,660

    MK150DQ
    40

    Audi A3 Saloon35 TFSI Black Edition 4dr S Tronic

    2024
    3,513 miles
    Petrol

    £30,995

    BL21NN
    10

    Audi A3 Saloon2.0 TFSI S Line 4dr S Tronic

    2017
    43,061 miles
    Petrol

    £16,140

    BL81AA
    40

    Audi A3 Saloon30 TFSI S Line 4dr

    2022
    7,215 miles
    Petrol

    £22,850

    WA57YD
    40

    Audi A3 Saloon35 TDI S Line 4dr S Tronic

    2020
    53,001 miles
    Diesel

    £21,690

    £1,700 off
    £19,990
    L59XN
    Sold
    40

    Audi A3 Saloon30 TFSI Sport 4dr

    2023
    20,422 miles
    Petrol

    £19,850

    BL21NN
    40

    Audi A3 Saloon35 TFSI S Line 4dr S Tronic

    2024
    4,385 miles
    Petrol

    £30,029

    £1,149 off
    £28,880
    OL12RL
    40

    Audi A3 Saloon35 TFSI S line 4dr S Tronic

    2021
    18,000 miles
    Petrol

    £23,450

    £513 off
    £22,937
    WA57YD
    • 23
    • /
    • 26

    397-414 of 455 vehicles

    Audi models

    A1A1 CitycarverA3A3 SaloonA4A4 AllroadA4 AvantA5A5 CabrioletA5 SportbackA6A6 AllroadA6 AvantA7A8e-trone-tron GTe-tron Se-tron SportbackQ2Q3Q4Q4 e-tron SportbackQ5Q5 SportbackQ6Q6 E TronQ7Q8Q8 e-tronR8R8 SpyderRS3RS4RS5RS6Rs7RS7RS e-tron GTRS Q3RS Q8S1S3S4S5S6S7S8SQ2SQ5Sq6 E TronSQ7SQ8TTTT RoadsterTT RSTT S

    Can’t find what you’re looking for?

    Create a personalised stock alert and we’ll let you know when your perfect car’s available.
    1. Home
    2. …
    3. Cars for Sale
    4. Audi
    5. A3 Saloon

    About Audi A3 Saloon cars on heycar

    What is the most popular colour for Audi A3 Saloon ?

    Black

    What is the most popular gearbox for Audi A3 Saloon ?

    Semi-automatic

    What is the most popular fuel type for Audi A3 Saloon ?

    Petrol

    What is the most popular engine for Audi A3 Saloon ?

    1.5

    What is the average mileage for Audi A3 Saloon ?

    15101

    How many Audi A3 Saloon cars are available for sale?

    415