Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2021 Acura TLX Reliability ReportCommon Problems, Repair Costs & Expert Verdict

83/ 100
LOW RISK

Grade: B+

A sharp-handling luxury sedan that delivers on performance and reliability, despite minor tech frustrations.

Full system breakdown + what I would do

Should You Buy the 2021 Acura TLX?

The 2021 Acura TLX emerges as a strong contender in the premium sports sedan segment, offering a compelling blend of performance, luxury, and Acura's renowned reliability. While the initial iteration of its infotainment system presents some minor annoyances, the core mechanicals are robust, making it a confident choice for discerning buyers.

Biggest Strengths

  • Robust powertrain (2.0T and 3.0T V6 engines)
  • Excellent build quality and interior fit-and-finish
  • Comprehensive standard safety features and driving aids

Top Risk Areas

The systems that break first on the 2021 Acura TLX. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Infotainment Systemminor
2
10-Speed Automatic Transmissionmoderate
3
Brakesmoderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

NHTSA Recalls

3 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER

Honda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V, CR-V Hybrid, Passport, Ridgeline, Accord Hybrid, 2020 Acura MDX, 2022 Acura MDX, 2020-2022 Acura RDX, and 2020-2021 Acura TLX vehicles. The front passenger seat weight sensor may crack and short circuit, failing to suppress the air bag as intended.

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

Acura (American Honda Motor Co.) is recalling certain 2021-2023 TLX vehicles. The fuel filler neck and fuel tank may have been improperly welded, which can result in a fuel leak.

What breaks on the 2021 Acura TLX?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

OwnerKeep Passport · $499 · one-time

Just bought a 2021 Acura TLX? Keep it that way.

Snap a receipt — AI logs it. Build an OwnerScore. Sell with a buyer-ready Passport dossier.

Acura TLX by Year

Compare reliability scores across nearby years of the Acura TLX. Click any year for its full report.

If You're Considering This, Also Look At

Similar class, similar year range — ranked by reliability score.

Relevant Products for Your 2021 Acura TLX

Parts and accessories matched to your 2021 Acura TLX

As an Amazon Associate I earn from qualifying purchases.

Frequently Asked Questions

Full Report

2021 Acura TLX

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

Instant delivery · No account

Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

Compare This Vehicle

Final Step

Know every issue before you sign.

A free reliability report can catch a $3,000 problem. Full breakdown for the 2021 Acura TLX — delivered in under 60 seconds.

OwnerKeep Passport

Just bought a 2021 Acura TLX? Keep it that way.

OwnerKeep Passport turns your Acura TLX's care history into a luxury digital vault — AI-logged receipts, an OwnerScore that pays at resale, and a buyer-ready dossier in one tap.

  • AI receipt OCR — snap and log
  • Fuel & mileage tracker
  • Tri-Score OwnerScore
  • One-tap resale dossier PDF
$499 · one-time · lifetime access · no subscription