BMW M3 (F80) vs Audi RS4 Avant B8.5
Side-by-side reliability, price, and known-issue comparison for used-car buyers. Composite scores come from TÜV (Germany), ADAC (pan-European), NHTSA (US-sold variants), and DVSA MOT (UK inspections).
⭐ Better composite reliability
B
BMW M3 (F80)
2016–2016
Reliability composite
100
/ 100
Excellent
NHTSA
Estimated used price
€15,800–€15,800Documented issues
1
• Rod bearing wear — €2,000
A
Audi RS4 Avant B8.5
2014–2014
Reliability composite
—
/ 100
No data
Estimated used price
€11,800–€11,800Documented issues
0
Bottom Line
The BMW M3 (F80) wins on composite reliability across TÜV, ADAC, NHTSA, and DVSA MOT data — typically a sign of lower ownership risk and fewer recurring failure modes at age. The other car isn't necessarily wrong; check its issue list and price-to-condition ratio before deciding.