The Honda K24Z3 engine is a four-cylinder, naturally aspirated engine that was used in the 2008-2012 Honda Accord and the 2009-2014 Acura TSX. Known for its reliability and performance, this engine has been a popular choice for many car enthusiasts and owners.
The purpose of this article is to provide a comprehensive review of the Honda K24Z3 engine specs and performance. We’ll take a closer look at the engine’s specifications, driving experience, and compare it to other engines in its class.
Whether you’re considering purchasing a car with the K24Z3 engine or are just curious about its capabilities, this article will provide the information you need to make an informed decision.
Honda K24Z3 Engine Overview
The Honda K24Z3 engine is a four-cylinder, naturally aspirated engine that was produced by Honda Motor Co., Ltd. This engine was used in the 2008-2012 Honda Accord LX-S/EX/EX-L and the 2009-2014 Acura TSX.
Known for its reliability, fuel efficiency, and performance, the K24Z3 engine is considered one of Honda’s best engines.
The engine has a compression ratio of 10.5:1 for the 2008-2012 Honda Accord and 11.0:1 for the 2009-2014 Acura TSX.
It produces 190 horsepower at 7000 RPM and 162 lb⋅ft of torque at 4400 RPM for the Honda Accord and 201 horsepower at 7000 RPM and 172 lb⋅ft of torque at 4300 RPM for the Acura TSX.
The redline for both engines is 7100 RPM for horsepower and 5100 RPM for torque.
In terms of performance, the Honda K24Z3 engine provides a smooth and responsive driving experience. The engine’s high horsepower and torque levels allow for quick acceleration and a satisfying driving experience.
Additionally, the engine is known for its fuel efficiency, providing good fuel economy while still delivering impressive performance.
Compared to other engines in its class, the K24Z3 engine offers a good balance of power, fuel efficiency, and reliability. While it may not have the raw power of some other engines, it provides a well-rounded performance that is ideal for everyday driving.
The Honda K24Z3 engine is a reliable, fuel-efficient, and high-performing engine that provides a smooth and responsive driving experience. Whether you’re looking for a car for daily commuting or a car that offers a fun and satisfying driving experience, the K24Z3 engine is a great choice.
Specification Table for K24Z3 Engine
|Specification||2008-2012 Honda Accord||2009-2014 Acura TSX|
|Horsepower||190 hp @ 7000 RPM||201 hp @ 7000 RPM|
|Torque||162 lb⋅ft @ 4400 RPM||172 lb⋅ft @ 4300 RPM|
|Redline (horsepower)||7100 RPM||7100 RPM|
|Redline (torque)||5100 RPM||5100 RPM|
Comparison With Other K24 Family Engine Like K24Z1 and K24Z2
Here’s a comparison between the Honda K24Z3 engine and two other engines in the K24 engine family: the K24Z1 and the K24Z2.
|Compression Ratio||10.5:1 / 11.0:1||10.0:1||11.0:1|
|Horsepower||190 hp @ 7000 RPM / 201 hp @ 7000 RPM||198 hp @ 7000 RPM||200 hp @ 7000 RPM|
|Torque||162 lb⋅ft @ 4400 RPM / 172 lb⋅ft @ 4300 RPM||161 lb⋅ft @ 4400 RPM||170 lb⋅ft @ 4400 RPM|
|Redline (horsepower)||7100 RPM||7100 RPM||7100 RPM|
|Redline (torque)||5100 RPM||5100 RPM||5100 RPM|
As seen from the table above, the K24Z3 engine has a higher compression ratio than the K24Z1, but the same as the K24Z2. In terms of horsepower and torque, the K24Z3 is similar to the K24Z2, but slightly less powerful than the K24Z1. The redline for all three engines is the same.
The Honda K24Z3 engine offers a good balance of horsepower, torque, and fuel efficiency, making it a great choice for those who value reliability, performance, and fuel efficiency. While the K24Z1 may have more raw power, the K24Z3 offers a well-rounded performance that is ideal for everyday driving.
Head and Valvetrain Specs K24Z3
The head and valvetrain specifications for the Honda K24Z3 engine are as follows:
- Valve Configuration: DOHC, i-VTEC (intelligent Variable Valve Timing and Lift Electronic Control)
- Valvetrain: 4 valves per cylinder
- Valve Diameter: Intake – 34.5 mm / Exhaust – 29.0 mm
- Camshaft Type: Dual overhead camshafts (DOHC)
- Rocker Arm Type: Roller rocker arms
- Rocker Arm Ratio: 1.8:1
The i-VTEC system in the K24Z3 engine uses hydraulic and electronic controls to optimize valve lift, duration, and phasing, which helps improve fuel efficiency, performance, and emissions.
The roller rocker arms and DOHC design provide high-revving performance and excellent valve control, making the K24Z3 engine a great choice for those who value a smooth, responsive driving experience.
The Technologies Used in
The Honda K24Z3 engine is equipped with several advanced technologies to improve performance, fuel efficiency, and emissions. Some of these technologies include:
1. I-vtec (Intelligent Variable Valve Timing and Lift Electronic Control)
The i-VTEC system optimizes valve lift, duration, and phasing to improve fuel efficiency, performance, and emissions.
2. Drive-by-wire (Dbw)
The K24Z3 engine uses an electronic throttle control system, also known as Drive-by-Wire, which eliminates the mechanical link between the accelerator pedal and throttle body.
3. Direct Ignition System (Dis)
The Direct Ignition System in the K24Z3 engine provides improved ignition performance and faster starts.
4. Advanced Vacuum Vent System (Avvs)
The AVVS system in the K24Z3 engine helps improve fuel efficiency and emissions by controlling the pressure in the intake manifold.
5. Lightweight Design
The K24Z3 engine features a lightweight design, including aluminum alloy engine blocks and cylinder heads, which helps reduce weight and improve fuel efficiency.
Overall, the Honda K24Z3 engine is equipped with a range of advanced technologies to provide a smooth, responsive driving experience, while also reducing fuel consumption and emissions.
The Honda K24Z3 engine is a well-rounded engine that offers a good balance of performance and efficiency.
Here are some of the key performance aspects of the K24Z3 engine
1. Power Output
The K24Z3 engine delivers 190 hp (142 kW) @ 7000 RPM and 162 lb⋅ft (220 N⋅m) @ 4400 RPM in the 2008-2012 Honda Accord LX-S/EX/EX-L, and 201 hp (150 kW) @ 7000 RPM and 172 lb⋅ft (233 N⋅m) @ 4300 RPM in the 2009-2014 Acura TSX.
The K24Z3 engine provides brisk acceleration, with a 0-60 mph time of around 7 seconds.
The i-VTEC system, Drive-by-Wire, and Direct Ignition System in the K24Z3 engine all contribute to a smooth, responsive driving experience, with good throttle response and minimal turbo lag.
4. Fuel Efficiency
The K24Z3 engine provides good fuel efficiency, thanks to its high compression ratio, i-VTEC system, and Advanced Vacuum Vent System. In real-world driving, the K24Z3 engine can deliver around 25 mpg in combined city/highway driving.
The K24Z3 engine meets stringent emissions standards, thanks to its advanced technologies such as i-VTEC, AVVS, and DIS.
The Honda K24Z3 engine provides a well-rounded performance that is ideal for those who value reliability, performance, and fuel efficiency. The engine’s smooth, responsive driving experience, good power output, and excellent fuel efficiency make it a great choice for everyday driving.
What Car Did the K24Z3 Come in?
The Honda K24Z3 engine was used in several Honda and Acura vehicles, including the 2008-2012 Honda Accord LX-S/EX/EX-L (USDM/CDM), and the 2009-2014 Acura TSX (CU2). The engine is known for its good balance of performance and efficiency, delivering 190-201 hp, smooth and responsive driving experience, and good fuel efficiency. The advanced technologies such as i-VTEC, Drive-by-Wire, and Direct Ignition System all contribute to the K24Z3 engine’s well-rounded performance and reliability.
K24Z3 Upgrades and Modifications Can Be Made
Some common modifications and upgrades for a Honda K24Z3 engine include:
- Cold air intake
- Exhaust system
- Engine tuning
- Underdrive pulleys
- High-performance clutch
- Lightweight flywheel
- Throttle body upgrade
- Engine management system upgrade
- Header or exhaust manifold upgrade
- Intercooler upgrade for turbocharged engines.
Other K Series Engines-