r/AudiA4 is a subreddit with 12k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses audi, tuning, body panel, catback, and tune, and they frequently recommend/review exhaust, exhaust system, and tuner.
Audi A4 Owners and Fans Subreddit
Popular Themes in r/AudiA4
#1
Solution Requests
: "How can I fix this?"
7 posts
#2
Advice Requests
: "False open boot warning triggering alarm"
4 posts
#3
Pain & Anger
: "RPM fluctuates up and down during acceleration. Up and down by a 100rpm or so."
1 post
Popular Topics in r/AudiA4
#1
Audi
3 posts
#2
Tuning
1 post
#3
Body Panel
1 post
#4
Catback
1 post
#5
Tune
1 post
#6
Headlight
1 post
#7
Bluetooth
1 post
#8
Reverse
1 post
#9
Transmission
1 post
#10
Smog
1 post
Products Discussed in r/AudiA4
Exhaust
3 reviews
#1
ECS
5.0★ from 1 review
#2
034Motorsport Resonator
4.0★ from 1 review
#3
CTS Turbo Catback
4.0★ from 1 review
Exhaust System
2 reviews
#1
034 Res-X Resonator Delete
4.0★ from 1 review
#2
Europa Parts
3.0★ from 1 review
Tuner
2 reviews
#1
034
5.0★ from 1 review
#2
APR
4.0★ from 1 review
Flair Used in r/AudiA4
#1
Question
: "2017 A4 2.0T service issues"
19 posts
#2
Photos
: "2022 A4"
6 posts
Member Growth in r/AudiA4
Yearly
+4k members(40.3%)
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Last updated: October 28, 2026