"How reliable is the 2021 Acura Tlx?"

"Based on 107 NHTSA complaints, the 2021 Acura Tlx has a median complaint mileage of 26000 miles. The most common issue is Power Train."

"What are common problems with the 2021 Acura Tlx?"

"The most frequently reported component in NHTSA complaints for the 2021 Acura Tlx is Power Train, accounting for a significant portion of the 107 total complaints filed."

2021 Acura Tlx: Reliability Data

Source: NHTSA — 107 complaints

107

Total Complaints

26,000mi

Median Mileage

Power Train

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

270 25th Percentile

26,000 Median Mileage

33,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Power Train

Electrical System

Service Brakes

Unknown Or Other

Air Bags

Engine

Suspension

Automatic Emergency Braking

Warnings

Steering

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"If the car thinks the door is not fully closed, it will not allow the car to go into drive. My husband put the car into reverse and backed out onto a busy highway. He tried to put the car into drive and it would not go because the car's electrical system thought the door was not fully shut (it was)..."

"Whenever i press the brake pedal at low speeds(1-3 mph) i hear a loud spring/clicking sound. This is happening to multiple acura tlx owners i know."

"The contact owns a 2021 Acura TLX. The contact stated that while attempting to start the vehicle on one occasion, the vehicle would not start-up. The contact had the vehicle towed to the local dealer to be inspected. The mechanic was unable to duplicate the failure. The vehicle was started and drive..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

Where Are Complaints Coming From?

Top states by complaint count.

FL: 16 NY: 13 CA: 9 NC: 9 TN: 9 VA: 8 TX: 7 CT: 5 SC: 4 PA: 4

Who Files Complaints?

1.9%

Original Owners

98.1%

Second+ Owners

Acura Tlx — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
2015	525	20,000	Power Train	18
2016	156	38,000	Engine	8
2017	93	21,000	Engine	6
2018	144	35,540	Engine	4
2019	128	9,288	Engine	13
2020	92	66,495	Engine	5
2022	32	-	Power Train	0

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28