Always consult the manufacturer's octane recommendation to determine the proper octane requirements for any given vehicle. Generally, engines with compression ratios of 9.3 : 1 or less will safely operate with unleaded 87 octane fuel. Engines with higher compression ratios usually require higher octane fuels. Some road noise is noticeable. 2012-2015 Honda Civic Common problems: Most of the common problems of this generation are minor, such as issues with the battery and the starter motor, cracked intake rubber tube (duct), A/C leaks, a bad thermostat, bad brake calipers, noisy wheel bearings and bad sway bar links and tire pressure sensors. IrIC.