YearToAvoid

2018 Mitsubishi Mirage G4 Problems, Recalls & Reliability

Verdict

Caution

Complaint Index

71/100

#3 most-complained of 8 Mirage G4 years

The 2018 Mitsubishi Mirage G4 has a Complaint Index of 71 and ranks 3rd worst among 8 model years, earning a Caution verdict. It has 11 complaints, 1 recall for airbags, and 3 reported crashes.

Complaints
11
Recalls
1
Crashes / fires
3 / 0
Injuries / deaths
3 / 0
NHTSA overall rating
Not rated
EPA combined MPG
36
34 city / 40.5 hwy

Top 2018 Mitsubishi Mirage G4 problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Airbags4 (36%)
  2. Electrical System4 (36%)
  3. Structure & Body3 (27%)
  4. Brakes2 (18%)
  5. Engine2 (18%)
  6. Other2 (18%)
  7. Seat Belts2 (18%)
  8. Steering1 (9%)
  9. Transmission & Powertrain1 (9%)

What owners report

  • Airbags reportedly failed to deploy in front and rear-impact crashes, sometimes paired with seatbelts that failed to lock on impact.
  • Owners describe the car swaying at highway speeds above 60 mph, with the issue reportedly persisting despite repeated dealer visits.
  • Some owners report the air conditioner causing the car to slow down and the engine to run noisily while driving.
  • Electrical glitches were described affecting the radio, power windows, and fuel delivery when the A/C was used.
  • One owner reported brake failure requiring use of the emergency brake, along with brake pads wearing out quickly.
  • A door window reportedly made clicking noises from a broken interior bracket.
2018 Mitsubishi Mirage G4 complaints: complaints filed per month3Aug 2019Oct 2019Dec 2019Jul 2021Sep 2025
21 complaints filed with NHTSA from Aug 2019 to Sep 2025; peak Aug 2019 (3).

2018 Mitsubishi Mirage G4 recalls

1 NHTSA recall campaign list this model year.

  1. NHTSA 19V330000Apr 26, 2019Airbags26,016 vehicles

    Air bags: air bag/restraint control module

    Mitsubishi Motors North America, Inc. (MMNA) is recalling certain 2017-2018 Mirage G4 vehicles. The internal acceleration sensor in the Supplemental Restraint System (SRS) Electronic Control Unit (ECU) can misinterpret vibrations, such as from poor road conditions or a flat tire, as a malfunction and disable all the vehicle's air bags.

    Risk: Air bags that do not deploy increase the risk of injury in a crash.

    Remedy: MMNA notified owners, and dealers will reprogram the SRS-ECU software, free of charge. The recall began May 24, 2019. Owners may contact MMNA customer service at 1-888-648-7820. MMNA's number for this recall is SR-19-001.

2018 Mitsubishi Mirage G4 fuel economy and fuel cost

City
34 MPG
Highway
40.5 MPG
Combined
36 MPG
Annual fuel cost (EPA)
$1,800
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2018 compared with other Mirage G4 years

Complaint Index by model year (0 = fewest issues, 100 = most)025507510020172018201920202021202220232024
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2017Avoid10013136
2018Caution7111136
2019Avoid8610036
2020No verdict294036

All Mitsubishi Mirage G4 years: best and worst →

Frequently asked questions

Is the 2018 Mitsubishi Mirage G4 reliable?
NHTSA data gives the 2018 Mirage G4 a Complaint Index of 71 and a Caution verdict, ranking 3rd worst out of 8 model years covered.
What is the top problem area for the 2018 Mirage G4?
Airbags are the top problem area, with 4 complaints, a 36% share of complaints, and 2 crashes reported, at a median mileage of 19,000 miles for airbag-related failures.
Does the 2018 Mirage G4 have any recalls?
Yes, one recall (campaign 19V330000) covers the airbag SRS-ECU software, which could misinterpret vehicle deceleration and fail to trigger the airbags correctly.
How does the 2018 Mirage G4 compare to other years?
The 2018 model (Complaint Index 71) is better than 2017 (100, Avoid) and 2019 (86, Avoid), but worse than 2020 (29), 2021 (0), 2022 (14), 2023 (57), and 2024 (43).
What is the fuel economy of the 2018 Mirage G4?
The 2018 Mirage G4 gets 36 mpg combined (34 city / 40.5 highway), with an estimated annual fuel cost of $1,800.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.