Common Lexus Rx300 Problems, Faults, and Repair Costs
Every known Lexus Rx300 MOT issue, ranked by how common it is and what it costs to fix. Based on 6,289 real MOT tests across 6 model years.
Segment: premium performance | Fuel: Petrol, OT
78%
Lexus Rx300 pass rate
87%
Lexus average
82%
National average
The Lexus Rx300 has an average MOT pass rate of 78%, which is 9 points below the Lexus average and 4 points below the national average. Newer LEXUS RX300s show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Check Your Lexus Rx300's MOT History
Enter your reg plate to see the specific issues found on your car, plus a health score and running cost estimate.
Most Common Lexus Rx300 MOT Issues
Ranked by how likely they are to affect your Lexus Rx300, with typical repair costs
Brakes
High likelihood£80 - £450
Typical repair cost
Common advisories:
Brake discs worn, brake pads thin, handbrake adjustment needed
Failure points:
Brake disc excessively worn, brake pipe corroded, brake efficiency below minimum
Suspension
High likelihood£150 - £600
Typical repair cost
Common advisories:
Suspension arm bush worn, shock absorber misting, spring corroded
Failure points:
Coil spring broken, ball joint excessive play, shock absorber leaking
Lights
High likelihood£15 - £200
Typical repair cost
Common advisories:
Headlamp aim slightly out, lens deteriorated
Failure points:
Headlamp not working, brake light not functioning, indicator failure
Tyres
High likelihood£50 - £300
Typical repair cost
Common advisories:
Tyre approaching legal limit, slight damage to sidewall
Failure points:
Tyre below minimum tread depth, tyre has a cut exposing ply
Exhaust & Emissions
High likelihood£80 - £800
Typical repair cost
Common advisories:
Exhaust mounting corroded, slight exhaust leak
Failure points:
Exhaust emissions exceed limits, catalytic converter efficiency low, DPF warning
Steering
High likelihood£100 - £500
Typical repair cost
Common advisories:
Track rod end has slight play, steering rack boot deteriorated
Failure points:
Steering rack leaking, track rod ball joint worn beyond limits
Body & Structure
High likelihood£200 - £1200
Typical repair cost
Common advisories:
Surface corrosion on subframe, slight body panel damage
Failure points:
Structural corrosion, body mounting corroded through, chassis weakness
Windscreen & Wipers
Lower likelihood£10 - £350
Typical repair cost
Common advisories:
Minor windscreen chip, wiper blade deteriorated
Failure points:
Windscreen crack in swept area, wiper does not clear windscreen
Is your specific car affected?
Enter your reg plate to check your car's individual MOT history, health score, and flag any issues.
Premium check (£4.99) includes stolen, finance, and write-off verification.
Lexus Rx300 Reliability by Year
MOT pass rate for each model year, based on real test data
Lexus Rx300 Running Costs
Want to know the full annual running costs for the Lexus Rx300? Including fuel, tax, insurance, and predicted repairs based on MOT history.
View Lexus Rx300 Running CostsSave Money on Your Lexus Rx300
Handpicked deals to cut the cost of owning your Lexus Rx300
Compare 100+ car insurers
Drivers save up to £504 per year
Get quotes from all major UK insurers in one search. Takes under 60 seconds.
Compare quotes →Free, no-obligation quotes
🚗Breakdown cover from £4/month
Cover from under £4/month
RAC, AA, and Green Flag compared. Roadside rescue in 30 minutes, on average.
Compare cover →24/7 roadside assistance included
✅Warranty: stop unexpected bills
Plans from just £15/month
Engine, gearbox, and electrical faults covered. One claim could save you £1,000+.
Get a quote →Cover starts immediately, no waiting period
🔧Book a cheaper MOT near you
Save up to 50% vs main dealers
Compare prices at local garages. Online booking, same-day slots available.
Find garages →Book online in 2 minutes
Lexus Rx300 FAQ
What are the most common Lexus Rx300 problems?
The most common Lexus Rx300 MOT problems are brakes, suspension, lights, tyres, exhaust & emissions, steering, body & structure issues. These are the areas most likely to cause advisories or failures during an MOT test, based on 6,289 real tests.
Is the Lexus Rx300 reliable?
The Lexus Rx300 has an average MOT pass rate of 78%, which is 4 points below the national average of 82%. This is about average reliability.
Which year Lexus Rx300 is most reliable?
The 2006 Lexus Rx300 is the most reliable year with a 81% MOT pass rate. Avoid the 2002 model year if reliability is your priority, as it has the lowest pass rate at 67%.
How much does it cost to fix common Lexus Rx300 faults?
Repair costs vary by issue. Brake work on a Lexus Rx300 typically costs £80-£450, suspension repairs cost £150-£600, and exhaust/emissions fixes cost £80-£800. Lighting and wiper fixes are usually under £200.
Check a Specific Lexus Rx300
Enter any reg plate to see the exact MOT history, defects found, health score, and running cost estimate for that specific car.
Other Lexus Models
Common problems pages for other Lexus models