A compact sport sedan built around the K24 — about as close to a worry-free used car purchase as this catalogue covers, provided basic maintenance was kept up.
The TSX's light, compact body is an easy load for this engine — it's never strained, which is a large part of why both engine and car have such a strong long-term reputation among independent mechanics.
The six-speed manual version is particularly well regarded by enthusiasts and tends to hold value slightly better than the automatic, which itself is a conventional and reliable unit — unlike the V6 BAXA automatic used elsewhere in the lineup.
This is about the car itself — for engine-specific failure points, see the dedicated engine page below.
This generation of TSX is the defining application of the K24 in Acura's lineup. Full detail on this engine's (short) list of known issues lives on the dedicated engine page.
FULL ENGINE BREAKDOWNAcura 2.4L K24 — Reliable or Not →Check for the VTEC solenoid rattle on startup described on the engine page — minor, but worth a small negotiation if present.
Inspect for rust in wheel arches and rocker panels if the car comes from a region that salts roads in winter.
Beyond rust and basic wear items, there's relatively little engine-specific risk to flag on this combination.