Common Problems with the
2006 Lexus LS (Mk4)

We've identified 2 known issues that can affect the 2006 Lexus LS (Mk4). 1 of these are serious faults that could be expensive to repair.

Known Issues

Serious

Moderate

Minor

The 2006 period has 1 more issue than the Lexus LS (Mk4) average across all year periods.

All Known Issues

SeriousSuspension & Chassis

The air suspension struts can leak over time, causing the car to sag and putting extra strain on the compressor.

Estimated cost: £1,000–£1,500 per strutAffects: 2006–2012Often appears around: 100,000+ miles

ModerateSuspension & Chassis

The LS is a heavy car, and its front control arm bushings are a known weak point, leading to vague steering and clunking noises.

Estimated cost: £400–£800Affects: 2006–2017Often appears around: 60,000+ miles

✓If the car has air suspension, check that it rises and falls evenly; a single failed strut can cost over £1,000.
✓On the LS 600h, check for a "Hybrid Health Check" certificate; these batteries are large and expensive to replace.
✓Listen for clunking from the front suspension, which often points to worn control arm bushings.