2018 Honda civic si
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 Honda civic si is worth — from official NHTSA and EPA data. 2 on record.
2018 Honda civic si at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2018 Honda civic si recalls 0
No NHTSA safety-recall campaigns are on record for the 2018 Honda civic si.
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2018 Honda civic si common problems
The most-reported problem areas across all 596 owner complaints filed with NHTSA — and what to check before you buy.
2018 Honda civic si safety ratings
Rollover risk: 9.3% — NHTSA's estimated chance of rollover in a single-vehicle crash (dynamic test: no tip).
Source: NHTSA 5-Star Safety Ratings (NCAP), tested as the 2018 Honda Civic Si 2 DR FWD. Ratings can differ by body style and drivetrain.
2018 Honda civic si MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 2 versions of this model year; combined is shown as a range and the other figures are averages.
Estimated 5-year cost to own
A rough guide to what running a 2018 Honda civic si costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Investigations & service bulletins
Manufacturer service bulletins 231
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 231.
Service Bulletin - Oil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on inspection cover.
Bulletin A25-076 · Engine · Jul 2025Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2016-2020 Civics, 2017-2020 CR-Vs, & 2018-2020 Odysseys that have been diagnosed to be in need of the low-pressure fuel pump, fuel strainer, fuel meter or fuel ta…
Bulletin ATI&08062024906 · Fuel/propulsion System · Aug 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2016-2020 Civics, 2017-2020 CR-Vs, & 2018-2020 Odysseys that have been diagnosed to be in need of the low-pressure fuel pump, fuel strainer, fuel meter or fuel ta…
Bulletin ATI&07222024906 · Fuel/propulsion System · Jul 2024Dealer Message - Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2016-2020 Civics, 2017-2020 CR-Vs, & 2018-2020 Odysseys that have been diagnosed to be in need of the low-pressure fuel pump, fuel strainer, fuel…
Bulletin ATI&07052024901 · Fuel/propulsion System · Jul 2024Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement, the compressor shaft seal may leak. American Honda is extending the warranty on the A/C compressor shaft seal from the original 3 years to 10 years…
Bulletin A23-039 · Visibility/wiper · Jun 2024Service Bulletin - American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension only covers vehicles that have a defective A/C condenser from the factory. The A/C con…
Bulletin A19-091 · Visibility/wiper · Jun 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2016-2020 Civics, 2017-2020 CR-Vs, & 2018-2020 Odysseys that have been diagnosed to be in need of the low-pressure fuel pump, fuel strainer, fuel meter or fuel ta…
Bulletin ATI&06032024903 · Fuel/propulsion System · Jun 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2016-2020 Civics, 2017-2020 CR-Vs, & 2018-2020 Odysseys that have been diagnosed to be in need of the low-pressure fuel pump, fuel strainer, fuel meter or fuel ta…
Bulletin ATI&05032024907 · Fuel/propulsion System · May 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2016-2020 Civics, 2017-2020 CR-Vs, & 2018-2020 Odysseys that have been diagnosed to be in need of the low-pressure fuel pump, fuel strainer, fuel meter or fuel ta…
Bulletin ATI&04152024903 · Fuel System, Gasoline · Apr 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 Accords, 2016-2020 Civics, 2017-2020 CR-Vs, & 2018-2020 Odysseys that have been diagnosed to be in need of the low-pressure fuel pump, fuel strainer, fuel meter or fuel ta…
Bulletin ATI&03262024903 · Fuel System, Gasoline · Mar 2024Source: NHTSA Office of Defects Investigation, listed for the CIVIC SI FWD. Model-year data, not specific to one car.
About the Honda civic si
The Honda Civic is a series of automobiles manufactured by Honda since 1972. As of 2023, the Civic is positioned between the Honda Fit/City and Honda Accord in Honda's global passenger car line-up. It is one of the best-selling automobiles in history, with over 27 million units sold through 2021.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.