2018 Toyota Corolla iM

Owner complaints, recalls, fuel economy and safety ratings from public NHTSA and EPA data, updated Oct 17, 2026.

Fuel economy
30–31 mpgcombined; city 27–28, highway 35–36; every version of this model year
Five years of fuel
$10,480–$10,830U.S. average; Ohio $9,360–$9,680 at local prices; every version of this model year; fuel only, not other costs of owning it; 15,000 miles a year, at EIA fuel prices for the week of Oct 12, 2026
NHTSA overall safety rating
Not ratedNHTSA has no overall rating for this year
Recall campaigns
0none on file
Owner complaints
8filed with NHTSA; not adjusted for sales

Problems owners report

Owners have filed 8 complaints with NHTSA about the 2018 Corolla iM. These are unverified owner reports, counted by the part of the car they name; one complaint can name several parts. Counts aren't adjusted for how many were sold, so they don't show how reliable a car is.

Complaints by part of the car
PartComplaintsCrashesFiresInjuries
Forward collision avoidance2000
Power train2101
Steering2101
Air bags1102
Electrical system1000
Exterior lighting1000
Fuel/propulsion system1000
Lane departure1101
Service brakes1000
Suspension1000
Tires1000
Unknown or other1000

Complaints by model year

Newer years have had less time to collect complaints, and counts aren't adjusted for sales, so a shorter bar doesn't mean a more reliable year.

  1. 201712
  2. 20188

Every Corolla iM year side by side

Recalls

NHTSA lists no recalls for the 2018 Corolla iM. NHTSA's recall lookup checks a specific VIN.

Service bulletins and investigations

Carmakers sent NHTSA 72 service bulletins and notices that cover the 2018 Corolla iM, the latest on Apr 19, 2024. They tell dealers how to fix known issues.

The parts they mention most: equipment (46), electrical system (6), lane departure (6), service brakes (6), visibility (5).

NHTSA defect investigations

Opening an investigation isn't a finding of a defect. Outcomes are as NHTSA's summary states them. A recall is shown as an investigation's outcome only where NHTSA's summary names it; other recalls NHTSA's file lists with it are marked as listed, not caused.

InvestigationPartOpenedStatus
Engineering analysis EA21002
Desiccated Air Bag Inflator Rupture · covers 37 makes
Air bagsSep 17, 2021Open
NHTSA's record and documents

Maintenance

Oil

The owner's manual gives the oil and how often to change it. We show oil facts only once we've checked them against the manual, and we haven't yet for the 2018 Corolla iM.

Oil change near you: Jiffy Lube · Take 5

Specs

EPA class: midsize cars. EPA greenhouse gas score: 7 out of 10. Each version EPA tested:

VersionEngineTransmissionFuelCity / hwy / comb
Corolla iM
Front-Wheel Drive
1.8 L, 4 cylAutomatic (AV-S7)Regular Gasoline28 / 36 / 31
Corolla iM
Front-Wheel Drive
1.8 L, 4 cylManual 6-spdRegular Gasoline27 / 35 / 30

Sources and dates

Fuel cost: EPA mpg with fuel prices for the week of Oct 12, 2026 and electricity prices for Jul 2026. Source: U.S. Energy Information Administration (Oct 2026). Complaints are unverified reports owners filed with NHTSA. About the data