Most common 2014 Lexus IS problems
Share of the 12 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Lexus IS complaints by model year
Best IS years: 2014, 2013, 2015. Years to avoid: 2008, 2009, 2010, 2012, 2007. Compare all years →
What 2014 Lexus IS owners say
Engine & cooling
Timing chain cover leak in a 2014 Lexus IS350 is a relatively common issue for vehicles 3.5 liter engine 2GR-FSE. The leak typically occurs due to a failing gasket or sealant on the timing chain cover. Here's what you need to know: Symptoms of a Timing Chain Cover Leak 1. Oil Leaks: Visible oil on the engine or under the car in which can cause a fire in engine compartment 2. Burning Oil Smell: Oil dripping onto hot components may cause a noticeable odor. 3. Low Oil Levels: Frequent topping up of engine oil.
I took my car to my mechanic for an oil change, and they noticed an oil leak at the timing chain cover, which could pose a safety risk, including a potential engine fire. They informed me this is a known issue on Toyota and Lexus vehicles with the 3.5-liter V6 engine. To confirm, I brought the car to a Lexus dealership, and they verified the same problem.
Electrical system
Vehicles manufactured by Lexus/Toyota from 2014 onward have been reported to experience rainwater intrusion into the trunk area, attributed to a faulty tail light nut composed of plastic with a rubber gasket. Lexus/Toyota is fully aware of this issue, which can lead to water damaging electrical components or result in trunk flooding if the problem goes unnoticed." Causing expensive damage to audio system.as it did with mine.
2014 Lexus IS 250, 102,301 miles the audio and entertainment system in the dash board. All radio speckers and sound effects feed back tones. This has happened while "stationary, in motion, city street, and highway. The audio radio, sat, cd or Bluetooth and navigation on-screen feedback tones disappear. Options to adjust bass, treble or ect IS greyed out and lost. The point pad also looses sound feeback.. Checked all fuses and they are good.
2014 Lexus IS engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 2.5L 6-cyl | 6-speed automatic | RWD | 21 / 30 / 24 |
| 2.5L 6-cyl | 6-speed automatic | AWD | 20 / 27 / 23 |
| 3.5L 6-cyl | 8-speed automatic | RWD | 19 / 28 / 22 |
| 3.5L 6-cyl | 6-speed automatic | RWD | 19 / 27 / 22 |
| 3.5L 6-cyl | 6-speed automatic | AWD | 19 / 26 / 21 |
EPA ratings. Class: Compact car.
Frequently asked questions
Is the 2014 Lexus IS a good car?
Based on 12 owner complaints filed with NHTSA, the 2014 IS rates better than average: 80% fewer complaints than a typical year of the IS at the same age. It is one of the best IS years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2014 Lexus IS?
The engine & cooling — 3 complaints, 25% of all complaints for this model year. Next are the electrical system (3) and fuel & propulsion system (2).
How many recalls does the 2014 Lexus IS have?
NHTSA lists no recalls for the 2014 Lexus IS. You can still confirm with your VIN using our VIN recall check.
What are the best and worst years of the Lexus IS?
The best years by complaints, compared at the same age, are 2014, 2013 and 2015. Years to avoid or approach with caution: 2008, 2009, 2010, 2012 and 2007. See the full Lexus IS years comparison.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.