Honda 1.8L I4 (R18)

Honda 1.8L I4 (R18) — every model and year that used this engine (3 models, 1987–2022), based on NHTSA VIN build data, with links to prices and reliability.

Civic FA/FG and FB (2006–2015).

1.8L · 4 cylinders · seen in 3 models, 1987–2022

By the numbers

Output range 100–148 hp (median 140 hp). Gasoline: 100%. Based on 371 decoded NHTSA VIN build sheets.

About this engine family

The Honda R engine is an inline-four engine launched in 2006 for the Honda Civic (non-Si). It is fuel injected, has an aluminum-alloy cylinder block and cylinder head, is a SOHC 16-valve design and utilizes Honda's i-VTEC system. The R series engine has a compression ratio of 10.5:1, features a "drive by wire" throttle system which is computer controlled to reduce pumping losses and create a smooth torque curve.

In detail

The R16 engines all have a bore and stroke of , for an overall displacement of . * Found in: 2006 Honda Civic (Singapore, Egypt, Turkey Market – FA1/FD series) 2012 Honda Civic (Singapore, Egypt, Turkey Market – FB series) * SOHC iVTEC (Chain driven cam) * Compression: 10.5:1 * Power: at 6,500 rpm * Torque: at 4,300 rpm * Transmission: 5-speed * Redline: 6800 rpm * Found in: 2016 Honda Civic (Mauritius, Singapore, Egypt, Turkey, Cyprus, South Africa, Ukraine and Brunei – FC series) * SOHC iVTEC (Chain driven cam) * Compression: 10.7:1 * Power: at 6,500 rpm * Torque: at 4,300 rpm * Transmission: CVT-7, manual-5 * Redline: 6700 rpm The R18 engines have a bore and stroke of , for an overall displacement of .

* Found in: 2006–2011 Honda Civic (South Africa/Thailand/Malaysia/Indonesia/Philippines/Taiwan/Japan/Indian-market FD1, Brazil, American/Canadian-market FA1 & FG1) * 2007–2009 Honda FR-V (European-market BE1) * 2008–2015 Honda City * 2007–2014 Honda Stream * SOHC iVTEC (Chain driven cam) * Compression: 10.5:1 * Power: at 6300 rpm (Japanese Spec) * on Indian variant to use lower octane fuel * Torque: at 4,300 rpm * Fuel Cut Off: 7150 rpm * Redline: 6800 rpm * Found in: * 2006–2011 Honda Civic (European-market FN1 & FK2) * Compression: 10.5:1 * Power: at 6,300 rpm * Torque: at 4,300 rpm * cruising/economy happens during VTEC under cruising load only.

* Redline: 6800 rpm * Fuel Cutoff : 7150 rpm * Found in: 2006–2011 Honda Civic (Brazil) * Local Fuel optimization (FlexFuel - Ethanol or Gasoline) * Power: * SOHC i-VTEC (ECO Version) * Redline: 6800 rpm * Found in: 2012–2015 Honda Civic (FB2, FG3) 2016–2020 Honda Civic (FC6, FK5) * SOHC iVTEC (Chain driven cam) * Compression: 10.6:1 * Power: at 6,500 rpm * Torque: at 4,300 rpm * Redline: 6800 * Fuel cut off: 7100 * Single valve mode at low RPMs * iVTEC engages economy cam profile from 1000 rpm to 3500 rpm, under light engine load.

Engine runs on low power cam profile by default. * Found in: * 2012–2017 Honda Civic (European-market FK2) * Compression: 10.6:1 * Power: at 6,500 rpm * Torque: at 4,300 rpm * Redline: 6800 rpm * Fuel cut off : 7100 rpm * cruising/economy happens during VTEC under cruising load only. * Balancer Shaft on this R18. * Found in: * 2013–2017 Honda Jade * SOHC iVTEC (Chain driven cam) * Compression: 10.6:1 * Power: at 6,500 rpm * Torque: at 4,300 rpm * Found in: * 2016–2022 Honda HR-V * Compression: 10.6:1 * Power: at 6,500 rpm * Torque: at 4,300 rpm Found in: 2016–2018 Honda HR-V (Brazil) * Found in: * 2014–2022 Honda HR-V (Thailand and Indonesia) * Compression: 10.6:1 * Power: at 6,500 rpm * Torque: at 4,300 rpm The R20 engines all have a bore and stroke of , for an overall displacement of .

* Found in: * 2007–2011 Honda CR-V (RE1, RE2) * 2008 – Honda Stream (RSZ) * 2013–2015 Acura ILX (DE1) * Compression: 10.5:1 * Power: at 6,200 rpm * Torque: at 4,200 rpm * Redline: 6800 rpm * Fuel cut off: 7100 rpm * SOHC run by timing chain * iVTEC engages economy cam profile from 1000 rpm to 3500 rpm, under light engine load.

Source: Wikipedia — Honda R engine, CC BY-SA.

Models that used this engine

Model Years with this engine Fuel VIN builds seen
CIVIC 2006–2015 Gasoline 299
HR-V 2016–2022 Gasoline 70

Engine usage derived from NHTSA VIN build data (displacement + cylinder configuration). Model links lead to prices, generations and reliability.

For sale with this engine