2005 Lexus IS300
2005 Lexus IS300
Overview
The 2005 Lexus IS300, a compact executive sedan, is generally regarded as a reliable vehicle, reflecting Lexus’s commitment to quality and durability. It was offered with a robust 2JZ-GE inline-six engine, known for its longevity and smooth power delivery. The rear-wheel-drive platform, coupled with a comfortable interior and premium features for its time, made it an attractive option. While most owners report a positive ownership experience with minimal unexpected repairs, like any vehicle, some common areas can experience issues as they age. This analysis focuses on documented, non-wear-and-tear related reliability concerns for the 2005 model year.
Engine
3.0L 2JZ-GE Inline-6
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Transmission
5-Speed Automatic (A650E)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
5-Speed Manual (W5A580)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Suspension
Standard Independent Suspension
Front Lower Ball Joint Wear
- Symptoms: Clunking noises from the front end, especially over bumps; uneven tire wear.
- Solution: Replacement of worn ball joints.
- Cost: $300 - $600
Electrical
Body Control Module (BCM)
Intermittent Power Window/Lock Malfunctions
- Symptoms: Power windows or door locks may operate erratically or stop working altogether.
- Solution: Diagnosis and potential reprogramming or replacement of the BCM.
- Cost: $500 - $1200
Alternator
Premature Failure
- Symptoms: Dimming headlights, battery warning light illuminated, difficulty starting the engine.
- Solution: Replacement of the alternator.
- Cost: $400 - $700
Exterior
Paint & Body
Clear Coat Peeling
- Symptoms: The clear coat on the roof, hood, or trunk may start to peel or flake, especially in warmer climates.
- Solution: Repainting affected panels.
- Cost: $500 - $1500 per panel
Interior
HVAC Blower Motor
Blower Motor Failure
- Symptoms: No air coming from the vents, or intermittent fan speed operation.
- Solution: Replacement of the HVAC blower motor and resistor.
- Cost: $250 - $500
Driver’s Seat Material
Wear on Bolsters
- Symptoms: The leather or fabric on the driver’s seat bolsters may show premature wear or cracking.
- Solution: Repair or replacement of seat upholstery.
- Cost: $300 - $800
Summary Verdict
The 2005 Lexus IS300 is a highly reliable vehicle, particularly praised for its durable 2JZ-GE engine and robust drivetrain. Most common issues are related to age and mileage rather than inherent design flaws. Owners may encounter minor suspension wear, such as ball joints, and occasional electrical gremlins like BCM or alternator issues. Exterior paint can be susceptible to clear coat failure in certain environments, and interior wear on the driver’s seat is not uncommon. Overall, the IS300 offers a strong value proposition for those seeking a dependable and engaging luxury sedan, with repair costs generally being moderate for its class.