What motor does a 2005 Acura TSX have?
Powered by a 2.4-liter inline-4 K-series engine (K24A2) with i-VTEC, the 2005 TSX delivers roughly 200–205 horsepower and about 164 lb-ft of torque.
Engine overview
The 2005 Acura TSX uses Honda’s venerable K-series family. In the North American market for that year, the sedan is equipped with a 2.4-liter inline-4 that emphasizes a broad, usable powerband suitable for everyday driving and sporty acceleration. The engine is paired with either a manual or automatic transmission, reflecting TSX’s balance of practicality and performance.
Core engine specs
Below are the key technical details commonly associated with the 2005 TSX engine variant.
- Engine code: K24A2
- Displacement: 2.4 L (2,357 cc)
- Configuration: Inline-4 (I4)
- Valvetrain: i-VTEC
- Power output: ~205 hp (about 152 kW) at around 7,000 rpm
- Torque: ~164 lb-ft (223 Nm) at about 4,500 rpm
- Transmission options: 5-speed manual or 5-speed automatic with sport/shift modes
These specifications reflect the typical US-spec configuration for the 2005 TSX. Market variations can exist, but the K24A2 2.4L i-VTEC setup is the core motor associated with this model year.
Performance and features
The 2.4-liter K-series engine is designed to deliver a balance of responsive acceleration and smooth, linear power delivery. With i-VTEC, the engine can adjust valve timing to optimize both low-end torque and high-end power, which aligns with the TSX’s aim as a practical sport sedan. The available transmissions—manual for enthusiasts and automatic for convenience—further define the driving experience for 2005 models.
In practice, owners typically note strong mid-range performance, good highway pull, and reliable, durable operation characteristic of Honda’s K-series engines. Maintenance and common wear items, such as timing components and water pump, are well-documented in owner communities, reflecting the engine’s long-term reliability when properly serviced.
Summary
The 2005 Acura TSX centers on a 2.4-liter K-series inline-4 engine (K24A2) with i-VTEC, producing around 205 horsepower and 164 lb-ft of torque. Paired with either a 5-speed manual or a 5-speed automatic, this setup underscored the TSX’s blend of everyday practicality and sporty driving dynamics, a hallmark of the model’s design philosophy.
