Is Honda’s 2.4‑Liter Four-Cylinder a Good Engine?

Yes—Honda’s 2.4 L inline‑four (the K‑series, including K24A/K24Z/K24W variants) is widely regarded as a strong, durable, and efficient engine, often running 200,000–300,000 miles with routine maintenance; buyers should mainly watch for VTC actuator rattle on some versions, timing‑chain wear from poor oil service, and intake‑valve deposits on the direct‑injection models. In practical terms, it delivers smooth torque, respectable fuel economy, and relatively low ownership costs across vehicles like the Accord, CR‑V, Element, Acura TSX/ILX, and Civic Si.

What the 2.4 L Honda Engine Is

Honda’s 2.4 L four sits in the K‑series family introduced in the early 2000s. It evolved from port‑injected K24A/K24Z designs to the later direct‑injected “Earth Dreams” K24W. Output spans roughly 160–206 horsepower depending on tune, with an emphasis on mid‑range torque and reliability. The engine appears in high‑volume models (Accord, CR‑V) and enthusiast favorites (Acura TSX, Civic Si), which is why parts, expertise, and aftermarket support are abundant.

Strengths

The attributes below explain why the 2.4 L has a loyal following among daily drivers and enthusiasts alike.

• Longevity: Many examples exceed 200k miles without internal repairs when serviced on time.
• Timing chain (not belt): Reduces major scheduled service costs and is robust if oil changes are timely.
• Smooth, useful torque: Feels stronger in everyday driving than some smaller turbo or older 1.8–2.0 L engines.
• Good real‑world efficiency: Sedans typically return high‑20s to low‑30s mpg combined, crossovers mid‑20s (driving/style dependent).
• Parts availability: Common components are inexpensive; plenty of independent‑shop familiarity.
• Aftermarket/tuning pedigree: K24-based builds are popular for their stout bottom end and reliable power gains.

Taken together, these traits make the K24 one of the safer bets on the used market, balancing operating costs with performance and support.

Known Issues and What to Watch

While the 2.4 L is fundamentally robust, several recurring themes appear across generations and applications.

• VTC actuator cold-start rattle (mainly K24Z/K24W): Brief rattle at startup from the cam phaser; typically a noise/driveability annoyance rather than an immediate failure. Updated parts exist; repairs vary by model/year.
• Timing-chain stretch/tensioner wear: Usually tied to extended oil intervals or low oil. Listen for rattles, check for timing codes; fix before severe wear.
• Direct‑injection intake valve deposits (K24W): Over time, can cause rough idle or misfires. Periodic intake cleaning and good oil/fuel practices mitigate the risk.
• Oil consumption on high‑milers: Often minor and manageable with PCV service; heavy use may point to stuck rings or valve‑stem seals.
• VTEC/spool valve gasket leaks: Oil seep at the solenoid assembly is relatively common and inexpensive to address.
• Accessory/vehicle-related vibrations: Some CR‑V and Accord trims show idle vibration tied to mounts, calibration, or CVT behavior rather than a core engine defect.
• Cooling/drive components: Water pump seepage and serpentine belt wear typically appear past 100k miles; straightforward preventive replacements.

None of these concerns is systemic enough to tarnish the engine’s reputation, but addressing them promptly preserves longevity and refinement.

Maintenance That Pays Off

Following these intervals and checks keeps the K24 reliable and quiet, and helps prevent small issues from growing into costly repairs.

1. Engine oil and filter: Quality synthetic 0W‑20 or 5W‑20 every 5,000–7,500 miles (or per Oil Life Monitor), sooner in short‑trip or hot climates.
2. Spark plugs: Iridium plugs around 100,000 miles; verify gap and torque.
3. Valve clearance inspection: Many K24s use mechanical lash; check roughly at 100k–110k miles or if ticking/misfire occurs.
4. PCV valve: Replace around 60k–100k miles to curb oil use and maintain crankcase ventilation.
5. Coolant and belts: Coolant every ~5 years/60k miles; serpentine belt around 90k–120k miles or at first signs of cracking/noise.
6. Timing system vigilance: No scheduled chain replacement, but investigate any startup rattle or timing codes early.
7. Intake cleanliness (K24W DI): Consider intake valve cleaning between 60k–100k miles if idle quality drops; use Top Tier fuel.
8. Transmission fluids: CVT fluid every 30k–60k miles; conventional automatic/manual per Honda schedule—key to preserving drivability.
9. Air and cabin filters, throttle body: Keep airflow components clean to stabilize idle and fuel trims.

These modest, predictable services are the backbone of the K24’s reputation for low drama and long service life.

Performance and Efficiency Snapshot

Depending on tune and vehicle, the 2.4 L produces roughly 160–206 hp and about 160–181 lb‑ft of torque. In midsize sedans like the Accord, owners commonly see high‑20s to low‑30s mpg combined; compact crossovers like the CR‑V typically land in the mid‑20s. Sport variants (Acura TSX, Civic Si) trade a bit of economy for sharper response and higher output while retaining daily usability.

Models and Years That Used the 2.4

Shoppers will find the K24 across a wide range of Hondas and Acuras from the early 2000s through the late 2010s.

• Honda Accord: 2003–2017 (various trims; Earth Dreams direct‑injection from 2013–2017 in North America)
• Honda CR‑V: 2007–2016 in North America, with Earth Dreams 2.4 in 2015–2016 before the 1.5T rollout
• Honda Element: 2003–2011
• Honda Civic Si: 2012–2015 (K24Z7 performance tune)
• Acura TSX: 2004–2014 (notably the higher‑output K24A2 in 2004–2008)
• Acura ILX: 2016–2018 with the 2.4 and manual/dual‑clutch applications depending on market/year

Exact availability varies by region and trim, but these are the core North American applications most buyers will encounter.

How It Stacks Up

Against contemporaries, Honda’s 2.4 L stands tall for longevity and day‑to‑day drivability. Compared with Honda’s later 1.5‑liter turbo, it avoids the widely publicized oil‑dilution complaints and offers more linear response, albeit with slightly lower peak efficiency. Versus rival four‑cylinders, it has fewer chronic defects than some older Toyota 2.4s (oil consumption) and earlier Nissan 2.5s (chain/tensioner issues), and it matches newer DI engines for economy without excessive complexity.

Buying Used: Quick Checklist

These quick evaluations help confirm you’re getting a healthy K24 and avoiding avoidable repairs.

• Cold start test: Listen for brief cam‑phaser (VTC) rattle; persistent noise merits inspection or updated parts.
• Service records: Look for regular oil changes and timely spark plug/PCV/coolant replacements.
• Oil condition/level: Check for low oil or heavy varnish; either can hint at extended intervals.
• Idle quality: Rough idle or hesitation on K24W may point to intake deposits or vacuum leaks.
• Scan for codes: Pay attention to timing correlation, misfires, or VTEC/spool valve codes.
• Test drive: Note vibrations at idle or low speed (often mounts/CVT calibration) and ensure smooth revs to redline.
• Underside inspection: Look for oil seep at the VTEC/spool valve area and rear main seal; minor seeps are common.

A well‑documented car that passes these checks is likely to deliver years of low‑cost, dependable service.

Bottom Line

The Honda 2.4 L four‑cylinder is a proven, well‑supported workhorse with strong longevity, friendly maintenance costs, and satisfying everyday performance. Know the handful of recurring issues, prioritize regular service, and it’s one of the safest engine bets in the used market.

Summary

Answer: Yes—the Honda 2.4 L is a good engine. It’s durable, efficient, and widely supported, with a few manageable watch‑outs (notably VTC actuator noise, chain wear from poor oil service, and DI intake deposits on later versions). With proper maintenance, it routinely delivers 200k+ miles of reliable service across Accord, CR‑V, Element, TSX/ILX, and Civic Si models.

Is a 2.4 liter engine a 4 cylinder good?

A 2.4-liter engine with four cylinders can be a good choice, offering a balance of power and fuel efficiency. It’s a common engine size, and advancements in technology have made even smaller engines like the 2.4L quite powerful. Whether it’s “good” depends on individual needs and priorities, such as the type of vehicle and driving style. 
Here’s a more detailed look:
Pros:

• Fuel Efficiency: Generally, four-cylinder engines are more fuel-efficient than larger engines like V6s, due to their smaller size and fewer moving parts. 
• Power: While historically, V6 engines were known for more power, modern four-cylinder engines, especially turbocharged ones like the 2.4L, can deliver impressive power and torque, sometimes rivaling or even exceeding older V6s. 
• Cost: Four-cylinder engines are often more affordable to manufacture and purchase, making them a common choice for many vehicles. 
• Reliability: Many 2.4L four-cylinder engines have a reputation for good reliability with proper maintenance. 

Cons:

• Power Delivery: Some drivers might perceive a less smooth power delivery from a four-cylinder, especially at higher RPMs, compared to a six-cylinder. 
• Sound: Some people may prefer the sound of a larger engine, like a V6, over a four-cylinder, though this is subjective. 
• Towing/Hauling: For heavy towing or hauling, a larger engine, like a V6, might be a better choice due to its greater power and torque. 

Examples:

• The Toyota Tacoma and Lexus NX are examples of vehicles that use a 2.4L turbocharged four-cylinder engine, showcasing its versatility. 
• Some Subaru models, like the Legacy, also utilize a 2.4L turbocharged engine. 

In Conclusion:
A 2.4L four-cylinder engine can be a great option for many drivers, offering a good balance of power, fuel efficiency, and cost-effectiveness. It’s important to consider your specific needs and driving style to determine if it’s the right choice for you.

How long does a Honda 2.4 L engine last?

The Honda Accord consistently ranks as one of the most dependable sedans in the U.S. With proper care, Accords often exceed 300,000 miles without major drivetrain repairs. Why it lasts: Proven engine reliability (notably the 2.4L i-VTEC and 3.5L V6)

Is the Honda 2.4 a good engine?

Yes, the Honda 2.4L (K24) engine is generally considered a good and reliable engine, known for longevity, good fuel economy, and decent performance with proper maintenance. However, common issues like oil consumption, timing chain wear, and certain transmission problems can occur, especially with longer oil change intervals or high mileage, but these can often be mitigated with regular maintenance and using the correct oil viscosity.
 
Pros:

• Reliability & Longevity: . Opens in new tabThe 2.4L engine is renowned for its dependability and can last well over 200,000 miles with proper care. 
• Performance & Efficiency: . Opens in new tabIt delivers a good balance of power, low-end torque, and fuel economy, with many users reporting high MPG even on older models. 
• VTEC System: . Opens in new tabThe VTEC variable valve-timing system enhances high-rpm power, making the engine feel more engaging. 
• Timing Chain: . Opens in new tabUnlike older engines with timing belts, the 2.4L uses a timing chain, which is designed to last the life of the engine. 

Potential Issues & Maintenance:

• Oil Consumption: Some 2.4L engines may consume oil over time; this is often manageable by monitoring oil levels and topping off as needed. 
• Timing Chain Wear: The timing chain and its components can wear out, especially with longer oil change intervals, potentially leading to noise (like rattling) or jumping. Regular oil changes with recommended grades are crucial for chain longevity. 
• Sludge Buildup: Longer oil change intervals can lead to sludge, which can affect the engine’s overall health and the timing chain. 

To Keep Your 2.4L Engine Running Well: 

• Regular Oil Changes: Adhere to recommended oil change intervals and use the appropriate oil viscosity to prevent sludge and ensure proper lubrication of the timing chain.
• Monitor Oil Levels: Check your oil level regularly and top it off as needed.
• Address Leaks Promptly: Fix oil leaks as soon as they are detected.
• Routine Inspections: Inspect components like the valve cover gasket and PCV valve to prevent issues.

How long does a 2.4 L 4-cylinder engine last?

With proper oil changes and maintenance, a 2.4L TigerShark engine should last between 130,000 and 200,000 miles. However, the oil consumption issues and piston ring failures can severely limit the lifespan of these engines before they need significant repair or fail completely.