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Acura · Compact SUV · 2019–2025 Custom Search

Acura RDX TB4

Weaknesses, engine ratings and buying advice

★★★★★
5.0 / 5.0 · Based on 1 engine variants · How we rate

Generations

Engine Overview

The Acura RDX TB4 is available with one engine variant at 245 hp.

1.5L I4 Turbo · Petrol· 245 PS
2019 2025

1.5L turbo from the Civic, 241 hp in RDX. Early 2019-2021 models had limp mode issues (fuel pump recalls). Much more stable from 2022. Watch for oil dilution on short trips.

  • !! L15B Turbo: Limp Mode and Sudden Power Loss from 25,000 km

    Early TB4 RDX shows limp mode from misfires or fuel pump failures. ECU software update and intercooler replacement documented as fixes.

    Symptoms: Sudden loss of acceleration at highway speed, vehicle slows to 25-40 mph, check engine light
    0–1,200 $
    Ad intercooler Acura RDX TB4L15B7 misfire P0301 RDX

Vehicle Weaknesses

WeaknessCost
✖Rear Windshield: Spontaneous Shattering (TSB 22-014)

Rear windshield shatters spontaneously without external impact. TSB 22-014 documents the issue but no formal recall. Warranty replacement possible.

Symptoms: Sudden loud pop, rear glass completely shattered, no visible impact point
Ad rear windshield Acura RDX TB4TSB 22-014 RDX
 Medium
●Panoramic sunroof clunking/creaking

Panoramic sunroof causes cracking on rough roads. Creaking at windshield junction at speed.

Symptoms: Clunking over bumps, creaking in crosswinds
Ad panoramic sunroof seal RDX
 Low
NHTSA Owner Complaints
Below average
925 complaints · 2019–2025
  1. 01 Other
    272 ⚠ 1
  2. 02 Wipers & Visibility
    197
  3. 03 Engine
    157 ⚠ 2
  4. 04 Brakes
    80 ⚠ 4
  5. 05 Electrical
    74 ⚠ 2

Top Reported Issues

⚠ Other (272 complaints)
⚠ Wipers & Visibility (197 complaints)
⚠ Engine (157 complaints)
Source: NHTSA (nhtsa.gov) · 2026-04

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Known Problems and Issues +

A total of 8 weaknesses have been documented for the Acura RDX TB4 (2019–2025) — 1 engine-related and 7 vehicle-related. Typical issues affect Body, Suspension, Electronics, Brakes. Considered reliable: L15B (1.5L I4 Turbo).

What to watch out for with the Acura RDX? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Acura RDX TB4 have? +
The Acura RDX TB4 has 1 known engine weaknesses and 7 vehicle weaknesses.
What should I look for when buying a used Acura RDX TB4? +
faq.watch_a_solid
Which engine is recommended? +
Good choice: L15B (1.5L I4 Turbo). The most reliable engine is the L15B (1.5L I4 Turbo) with the lowest risk score. The most fun to drive is the L15B (1.5L I4 Turbo).
Which Acura RDX TB4 engine is the most reliable? +
The {code} ({displacement}) is the most reliable engine in the Acura RDX TB4. It has the lowest risk score of all available engines and is rated "Good Choice". However, there are 1 known weaknesses to be aware of.
Which Acura RDX TB4 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Acura RDX TB4 — rated: "Fun to Drive!". {description} L15B7 delivers more punch than numbers suggest. 10-speed more responsive than anything Acura had before. Not a sports car, but an SUV that doesn't put you to sleep.
Is the Acura RDX TB4 worth buying used? +
The Acura RDX TB4 is a good choice as a used car — 1 of 1 engine variants are rated 'Good Choice'.
What horsepower variants are available for the Acura RDX TB4? +
The Acura RDX TB4 is available with engine variants from 245 to 245 hp. Petrol: L15B (1.5L I4 Turbo).

Last updated: February 2026 · All information without guarantee