YearToAvoid

2012 Lexus IS Problems, Recalls & Reliability

Verdict

Avoid

Complaint Index

93/100

#2 most-complained of 16 IS years

The 2012 Lexus IS ranks 2nd worst out of 16 model years, with a Complaint Index of 93 and an Avoid verdict. Airbags are the top problem area, making up 44% of its 18 complaints, with a median failure mileage of 23,000.

Complaints
18
Recalls
0
Crashes / fires
3 / 0
Injuries / deaths
1 / 0
NHTSA overall rating
Not rated
EPA combined MPG
22
19 city / 27 hwy

Top 2012 Lexus IS problems

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

  1. Airbags8 (44%)
  2. Structure & Body4 (22%)
  3. Visibility & Wipers4 (22%)
  4. Brakes3 (17%)
  5. Engine3 (17%)
  6. Other3 (17%)
  7. Fuel System2 (11%)
  8. Electrical System1 (6%)

What owners report

  • Airbags fail to deploy during crashes, including rear-end and frontal collisions.
  • Owners describe Takata airbag inflator recall parts being unavailable for months, leaving vehicles unrepaired.
  • Sudden loss of engine power or stalling at highway speeds, sometimes with warning lights illuminating before the vehicle stops responding to the accelerator.
  • Dashboard and door panel surfaces turn sticky, peel, or appear to melt, creating glare that owners say makes it harder to see the road.
  • Brakes reportedly failed to engage properly or made creaking noises when applied.
  • Accelerator pedal described as jamming down unexpectedly, causing unintended acceleration.
2012 Lexus IS complaints: complaints filed per month4Mar 2015May 2017Jan 2020Oct 2020Feb 2022Jul 2026
28 complaints filed with NHTSA from Mar 2015 to Aug 2026; peak Jul 2015 (4).

2012 Lexus IS recalls

No safety recalls on record for this model year.

2012 Lexus IS fuel economy and fuel cost

City
19 MPG
Highway
27 MPG
Combined
22 MPG
Annual fuel cost (EPA)
$3,650
15,000 mi/yr
Fuel
Premium
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.

2012 compared with other IS years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’10’11’12’13’14’15’16’17’18’19’20’21’22’23’24’25
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2010Avoid10040020.5
2011Caution6715022
2012Avoid9318022
2013Avoid809022
2014Caution7312021.5

All Lexus IS years: best and worst →

Frequently asked questions

Is the 2012 Lexus IS reliable?
Compared to other IS model years, the 2012 ranks 2nd worst out of 16 years tracked, with a Complaint Index of 93 and an Avoid verdict based on NHTSA owner complaints.
What is the biggest problem with the 2012 Lexus IS?
Airbags are the top problem area, accounting for 44% of the 18 complaints filed, with 2 crashes and a median failure mileage of 23,000.
Does the 2012 Lexus IS have any recalls?
NHTSA lists 0 recalls specifically logged for the 2012 model year in this data, though owner complaints reference Takata airbag inflator recall repairs and parts delays.
How does the 2012 Lexus IS compare to other years?
The 2012 IS (Complaint Index 93) ranks worse than 2011 (67), 2013 (80), 2014 (73), and 2015 (47), making 2012 one of the least favorable years for this model.
What is the fuel economy of the 2012 Lexus IS?
The 2012 Lexus IS gets an EPA-rated 22 mpg combined (19 city / 27 highway), with an annual fuel cost of $3,650.

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.