Acura RDX
K23A1 2.3L I4 Turbo 233 hp Automatic All-wheel drive SUV 2007–2012
Engine K23A1 900–2,700 $
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.
Fun Factor? Decent
First turbo RDX — bold but with teething issues
230 hp turbo four, impressive for 2007. Wastegate wear and unprotected AC condenser are the weak spots. Drives livelier than later NA models.
Engine Weaknesses 1
!! Wastegate Actuator Wear (K23A1 Turbo)
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 $ from 130,000 km
Vehicle Weaknesses 1
!! HVAC A/C Condenser: Road Debris Damage — No Protection
A/C condenser sits unprotected behind the grille. Road debris punctures thin fins, causing refrigerant loss.
500–1,200 $ from 80,000 km
NHTSA Owner Complaints
154 complaints · 2007–2012
Top Reported Issues
⚠ Airbags (81 complaints)
⚠ Electrical (16 complaints)
⚠ Cruise Control (11 complaints)
Source: NHTSA (nhtsa.gov) · 2026-04