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Acura · Compact SUV · 2007–2012 Custom Search

Acura RDX TB1

Weaknesses, engine ratings and buying advice

★★★★★
3.0 / 5.0 · Based on 1 engine variants · How we rate

Generations

Engine Overview

The Acura RDX TB1 is available with one engine variant at 233 hp.

2.3L I4 Turbo · Petrol· 233 PS
2007 2012

First turbo four from Acura, derived from Civic Si. Wastegate actuator wears from ~80k miles — pivot hole becomes oblong. Turbo unit itself holds up well.

  • !! Wastegate Actuator Wear (K23A1 Turbo) from 130,000 km

    Wastegate actuator pivot hole becomes oblong from normal operation, preventing proper gate actuation. Results in boost codes and limp mode.

    Symptoms: Check engine light for boost codes, power loss at higher RPMs, limp mode at highway speed
    400–1,500 $
    Ad wastegate actuator K23A1 RDX14730-RWC-A01

Vehicle Weaknesses

WeaknessCost
!A/C Condenser: Road Debris Damage — No Protection

A/C condenser sits unprotected behind the grille. Road debris punctures thin fins, causing refrigerant loss.

Symptoms: A/C stops cooling, hissing from engine bay, refrigerant warning light
from 80,000 km
Ad A/C condenser Acura RDX TB1condenser RDX 2007-2012
 Medium
!Heater core leaks into cabin

Sweet smell in footwell — coolant leaks from heater core. Replacement requires full dashboard removal.

Symptoms: Sweet smell, fogged windshield, damp passenger footwell
from 150,000 km
Ad heater core RDX TB1
 High
●Blend door actuator fails

Blend door actuator fails — uneven temperature in cabin. Clicking behind dashboard is the warning sign.

Symptoms: Clicking behind dashboard, one side doesn't heat, temp doesn't match setting
from 130,000 km
Ad blend door actuator RDX
 Low
NHTSA Owner Complaints
Below average
154 complaints · 2007–2012
  1. 01 Airbags
    81 ⚠ 6
  2. 02 Electrical
    16
  3. 03 Cruise Control
    11 ⚠ 4
  4. 04 Powertrain
    11
  5. 05 Brakes
    9 ⚠ 2

Top Reported Issues

⚠ Airbags (81 complaints)
⚠ Electrical (16 complaints)
⚠ Cruise Control (11 complaints)
Source: NHTSA (nhtsa.gov) · 2026-04

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Known Problems and Issues +

A total of 6 weaknesses have been documented for the Acura RDX TB1 (2007–2012) — 1 engine-related and 5 vehicle-related. Typical issues affect HVAC, Steering, Other.

RDX (K23A1, 2007–2012) — Be Careful: Wastegate Actuator Wear (K23A1 Turbo). Power: 233 PS.

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 TB1 have? +
The Acura RDX TB1 has 1 known engine weaknesses and 5 vehicle weaknesses.
What should I look for when buying a used Acura RDX TB1? +
faq.watch_a_none
Which engine is recommended? +
Be careful: K23A1 (2.3L I4 Turbo). No engine is rated 'Good Choice'. The most fun to drive is the K23A1 (2.3L I4 Turbo).
Which Acura RDX TB1 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Acura RDX TB1 — rated: "Decent". {description} 230 hp turbo four, impressive for 2007. Wastegate wear and unprotected AC condenser are the weak spots. Drives livelier than later NA models.
Is the Acura RDX TB1 worth buying used? +
The Acura RDX TB1 requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the Acura RDX TB1? +
The Acura RDX TB1 is available with engine variants from 233 to 233 hp. Petrol: K23A1 (2.3L I4 Turbo).

Last updated: February 2026 · All information without guarantee