Audi A4 VIN Decoder & Vehicle History Check

Enter any Audi A4 VIN below for a free report — factory specifications, open NHTSA safety recalls, and a safety score, decoded instantly from the 17-character Vehicle Identification Number. For a specific vehicle's full history, a $4.99 upgrade adds title status, accident records, odometer history, and prior ownership.

Buying a used Audi A4? The free check covers recalls, specs and safety. For title brands, accident and damage records, odometer readings and ownership history, get the VIN Pro Plus report: one-time $4.99, no subscription. See a sample report →

Audi A4 Reliability by Model Year

Owner complaints, NHTSA recalls and a reliability grade for each model year, from public NHTSA data. Pick a year:

Audi A4 Problems by Model Year (2015–2025)

Owner complaints filed with NHTSA for the Audi A4 are highest for the 2020 model year (128) and lowest for 2025 (1). The worst three-year run in this table is 2018–2020, with 176 complaints. The complaint area that most often tops a year’s list is Electrical System (5 of 11 years). Newer model years have had less time to collect complaints, so compare years of a similar age.

Counts are a snapshot of NHTSA data from October 2026 (distinct owner complaints and recall campaigns). Open a year for the current numbers, the recalls and the most common problems.

Recently Checked Audi A4 VINs

Real vehicles other shoppers have looked up recently. Click any one to see its free recall, safety, and specs report.