New engine
The worst 2018 Lexus IS problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine1
- Locks1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine1
- Locks1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 2018 Lexus IS 22
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Some 2005 – 2026 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a...
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- Some 2010 – 2026 model year Lexus vehicles may exhibit paint stains after the removal of Rapgard™. The...
- Some 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a...
- Some 2015 – 2017 model year NX 200t, 2016 – 2017 model year GS 200t, IS 200t, and RC 200t, 2018 – 2019...
- Some 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a...
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad...
- Lexus vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical...
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix...
2018 Lexus IS fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 3.5L 6‑cyl | AWD | 19 | 26 | 22 |
What 2018 Lexus IS owners say
Most recent owner complaints, unedited.
All four (4) door actuators stopped working or work intermittently. This is a known issue with both front and rear driver and passenger doors. Automobile doors will not open.
Sunroof suddenly exploded while driving on highway, no debris or accident happened. Spontaneous sunroof glass shatter
Compare the 2018 Lexus IS
Other model years
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Questions about the 2018 Lexus IS
Is the 2018 Lexus IS reliable?
Owners have filed 3 complaints about the 2018 Lexus IS, fewer than a typical IS model year.
What is the 2018 Lexus IS year score?
The 2018 Lexus IS scores 91 out of 100 (good). The score compares it with the other model years of the Lexus IS: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.
What is the most common problem with the 2018 Lexus IS?
Engine and cooling, with 1 complaint. Next is locks (1).
How many recalls does the 2018 Lexus IS have?
No recalls on record.
What gas mileage does the 2018 Lexus IS get?
Official estimates for the 2018 Lexus IS range from 22 mpg combined. The most efficient version (3.5L 6-cyl, AWD) gets 19 city and 26 highway.
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