Audi A4 vs Acura TLX

Head-to-head reliability comparison from 4,885real NHTSA consumer complaints. Year-by-year breakdown, shared problems, crash & fire rates.

Acura TLX wins·13

Which is more reliable, Audi A4 or Acura TLX?

Verdict from 4,885 NHTSA complaints

Acura TLX wins this comparison overall. Acura TLX comes out ahead on 3 of 4 reliability metrics — including a 149% lower complaint rate. The Audi A4 edges ahead on crash-involvement rate.

Head-to-Head Metrics

Lower is better on every metric. Bar length = relative magnitude. ✓ = winner.

Complaints per 1K vehiclesLower is better
Audi A4112.2/1K
Acura TLX45.0/1K

Acura TLX wins by 149%

Crash-involvement rateLower is better
Audi A44.0%
Acura TLX4.6%

Audi A4 wins by 15%

Fire-involvement rateLower is better
Audi A42.10%
Acura TLX0.30%

Acura TLX wins by 600%

Overall severity scoreLower is better
Audi A41679.0
Acura TLX661.2

Acura TLX wins by 154%

Total complaints
A43,620
TLX1,265
US units sold
A4
TLX
Injuries
A498
TLX40
Fatalities
A4
TLX

NHTSA Crash Test Ratings

Official NCAP star ratings — government crash test data. Most recent rated model year.

Top Safety Pick

Audi A4

2024 model year
OverallEXCELLENT
5 / 5
Frontal — Driver
Frontal — Passenger
Side — Driver
Side — Passenger
Side Pole
Rollover

Acura TLX

2025 model year
OverallEXCELLENT
5 / 5
Frontal — Driver
Frontal — Passenger
Side — Driver
Side — Passenger
Side Pole
Rollover

Source: NHTSA New Car Assessment Program (NCAP). Lower star = higher injury risk in that crash type.

Complaint Volume — Year by Year

Sales-volume data not available for both models — showing raw complaint counts. Higher-volume models will appear higher even when reliability is comparable.

Audi A4
Acura TLX

Most Reported Problems

Top component complaints for each model. Identical bar lengths = both have the same recurring issue.

Audi A4
Acura TLX
Airbags4660Headlight/Taillight Failures3380Electrical Faults264141Engine Problems246209Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip1550Transmission / Drivetrain100231Fuel System071Brakes069

Year-by-Year Head-to-Head

Lower is better. Click either model column to see that year's full breakdown.

YearAudi A4Acura TLXBetter
201523527A4
201618157A4
20177595A4
201836144A4
201916128A4
202022592TLX
20211974A4
2022926A4
20231510TLX
202447A4

Frequently Asked Questions

Audi A4 vs Acura TLX — the most common buyer questions, answered from NHTSA data.

Which is more reliable, the Audi A4 or the Acura TLX?

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Acura TLX wins this comparison overall. Acura TLX comes out ahead on 3 of 4 reliability metrics — including a 149% lower complaint rate. The Audi A4 edges ahead on crash-involvement rate. Source: NHTSA Office of Defects Investigation via VinItel.

Should I buy a Audi A4 or a Acura TLX?

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On reliability data alone, the Acura TLX is the safer bet — but the actual condition of the specific car matters far more than the model average. Check the VIN of any vehicle you're considering for accident history, title issues, and odometer rollbacks.

What problems do the Audi A4 and Acura TLX share?

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Top complaints for the Audi A4: Airbags, Headlight/Taillight Failures, Electrical Faults. Top complaints for the Acura TLX: Transmission / Drivetrain, Engine Problems, Electrical Faults. Source: NHTSA via VinItel.

Which has fewer NHTSA complaints, the Audi A4 or the Acura TLX?

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Across all model years, the Audi A4 has 3,620 NHTSA complaints and the Acura TLX has 1,265. Normalized for sales volume (complaints per 10,000 vehicles sold), the Acura TLX has the lower complaint rate. Raw counts can mislead — a 2× more popular model will naturally collect 2× more complaints. Detailed normalized comparison: vinitel.com/stats/nhtsa-complaints/compare/audi/a4/vs/acura/tlx

Which is safer in a crash, the Audi A4 or the Acura TLX?

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Crash-involvement rate from NHTSA complaints: Audi A4 4.0% vs Acura TLX 4.6% — the Audi A4 has the lower crash rate. NHTSA NCAP star ratings (frontal, side, rollover) for both models are also shown on the comparison page. Note: the per-VIN history matters more than the model average — a salvage-title car of any model carries higher crash exposure than the median.

Does the Audi A4 or the Acura TLX have more fires?

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Fire-involvement rate based on NHTSA complaints: Audi A4 2.10% vs Acura TLX 0.30%. The Acura TLX has the lower reported fire rate. Fire complaints are a relatively rare but important safety signal — they often correlate with electrical-system or fuel-system defects. Check specific recall campaigns at vinitel.com/stats/nhtsa-complaints/audi/a4 and vinitel.com/stats/nhtsa-complaints/acura/tlx

What years of the Audi A4 are worse than the Acura TLX?

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The comparison page renders a year-by-year head-to-head table — for each model year (where both models have data), it shows complaint count or per-10K rate side by side and marks which model fares better that year. Buyers cross-shopping a specific model year should always check the year-level VinItel pages: vinitel.com/stats/nhtsa-complaints/audi/a4/{year} and vinitel.com/stats/nhtsa-complaints/acura/tlx/{year}.

Where does this Audi A4 vs Acura TLX comparison data come from?

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All complaint, crash, fire, and fatality data comes from the NHTSA Office of Defects Investigation (ODI) consumer-complaint database — the same source insurance regulators and the federal government use. NCAP star ratings come from NHTSA's New Car Assessment Program crash tests. Sales-volume normalization (per 10K sold) uses US annual vehicle sales. Data refreshes every 6 hours. Source: NHTSA via VinItel.

Other head-to-head matchups buyers cross-shopping the A4 or TLX also look at:

Comparison data refreshed 2026-05-04 from NHTSA Office of Defects Investigation.·Source: NHTSA ODI

Picked your model? Now check the actual VIN.

A model average can't see the car you're buying.

Even the Acura TLX has cars with hidden accidents, salvage titles, and odometer rollbacks. Check the VIN before you buy — full report $4.99 (vs. Carfax $44.99).

Audi A4 vs Acura TLX Reliability: Which Car Is Better? | VinItel