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R18 Engine

The Honda R18 is a reliable 1.8L inline-four gasoline engine designed for efficient everyday performance. Featuring Honda’s i-VTEC technology, an aluminum block and cylinder head, and a SOHC valvetrain, the R18 delivers a balanced combination of power, fuel efficiency, and durability. Depending on the version, the R18 engine produces approximately 130 to 141 horsepower and up to 128 lb-ft of torque. With an 81.0 mm bore and 87.3 mm stroke, the engine is designed to provide good low- and mid-range performance while maintaining respectable fuel economy.

In Stock

Price range: $700.00 through $2,000.00

The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.

Additional Information

Brand

Honda

Conditions

Remanufactured, Used

Miles

70000-130000

Year Compatibility

2006-2020

Verified

Tried & Tested

Warranty

Up to 3 Months

What we offer

Specifications

The Honda R18 engine is a 1.8L naturally aspirated four-cylinder engine commonly found in Honda vehicles such as the Civic. With a displacement of 1,799 cc, this engine uses an aluminum block and cylinder head to help reduce weight while maintaining durability. Its SOHC, 16-valve design and Honda i-VTEC technology provide smooth power delivery and efficient performance for daily driving. Known for its dependable design and widespread availability, the Honda R18 engine is a practical choice for replacing a damaged or high-mileage engine. Whether you are looking for a used replacement engine or rebuilding an existing vehicle, the R18 offers a solid balance of reliability, efficiency, and everyday performance.


Engine Variants

R18A1

The R18A1 is the original version of the Honda R18 engine, commonly used in the 2006–2012 Honda Civic. It delivers reliable everyday performance, good fuel efficiency, and smooth power delivery, making it a popular choice for replacement engine applications.

R18A2

The R18A2 was designed primarily for European and other international markets. With market-specific ECU tuning and emissions calibration, it offers the same dependable 1.8L performance while meeting applicable Euro emissions standards.

R18Z1

The R18Z1 is a refined version of the 1.8L R18 engine introduced in later Honda models. It features improvements focused on fuel efficiency, emissions, and overall drivability while maintaining Honda’s reliable SOHC i-VTEC design.

R18Z4

The R18Z4 was used in later ninth-generation Honda Civic models, particularly in European and international markets. It offers efficient performance, smooth operation, and updated emissions technology for modern daily driving.


Frequently Asked Questions

  1. Which Hondas have the R18 engine?

    The R18 engine was used mainly in Honda Civic models, along with select versions of the Honda Stream, Honda City, Honda FR-V, and other regional Honda models.

  2. What is the difference between Honda Civic 1.8 S and 1.8 V?

    The Honda Civic 1.8 S and 1.8 V generally use the same 1.8L R18 engine, while the main differences are in features, equipment, interior trim, and available technology depending on the market and model year.

  3. Is the Honda R18 a good engine?

    Yes, the Honda R18 is considered a reliable and fuel-efficient engine, making it a practical choice for daily driving and replacement applications when properly maintained.

  4. Does the R18 engine have VTEC?

    Yes, the Honda R18 uses i-VTEC technology, which helps optimize valve timing for a balance of performance, fuel efficiency, and smooth engine operation.

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R18 EngineR18 Engine
Price range: $700.00 through $2,000.00Select options