r/AudiA4 is a subreddit with 11k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses audi, a4, audi a4, b9, and help, and they frequently recommend/review exhaust, exhaust system, and tuner.
Audi A4 Owners and Fans Subreddit
Popular Themes in r/AudiA4
#1
Solution Requests
: "CarPlay Head unit Upgrade B8.5"
10 posts
#2
Advice Requests
: "Need recommendations!"
7 posts
#3
Pain & Anger
: "Hit 41.1 MPG in my 2019 A4 Quattro tonight!"
3 posts
#4
Money Talk
: "Talk me out of this for $18,900"
2 posts
#5
Self-Promotion
: "Audi A4 B6 and B7 Custom cup holders for sale"
1 post
Popular Topics in r/AudiA4
#1
Audi
: "My Audi b8.5 A4"
116 posts
#2
A4
: "New to me A4 bought with 50k on the dash"
87 posts
#3
Audi A4
: "My first Audi - Audi A4 35 TFSI S tronic MHEV"
33 posts
#4
B9
: "my B9 A4!"
30 posts
#5
Help
: "need Help figuring out where I can buy a honeycomb grill"
20 posts
#6
B8
: "My B8.5"
12 posts
#7
Car
: "Mixed feedback on the new Car | 2023 Audi A4 Avant S Tronic TFSI"
11 posts
#8
Engine
: "How long until my Engine blows? 2007 with 217k miles. METAL FLAKES IN OIL"
10 posts
#9
Wheels
: "Need some opinions on Wheels"
10 posts
#10
Maintenance
: "B9.5 a4 Maintenance question"
7 posts
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
: "Need recommendations!"
32 posts
#2
Photos
: "My first Audi"
30 posts
Member Growth in r/AudiA4
Yearly
+3k members(40.9%)
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About
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Last updated: June 15, 2026