Common Infiniti Ex Problems, Faults, and Repair Costs
Every known Infiniti Ex MOT issue, ranked by how common it is and what it costs to fix. Based on 237 real MOT tests across 3 model years.
Segment: premium performance | Fuel: Diesel
79%
Infiniti Ex pass rate
87%
Infiniti average
82%
National average
The Infiniti Ex has an average MOT pass rate of 79%, which is 8 points below the Infiniti average and 3 points below the national average. The INFINITI EX has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Check Your Infiniti Ex'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 Infiniti Ex MOT Issues
Ranked by how likely they are to affect your Infiniti Ex, 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.
Infiniti Ex Reliability by Year
MOT pass rate for each model year, based on real test data
Infiniti Ex Running Costs
Want to know the full annual running costs for the Infiniti Ex? Including fuel, tax, insurance, and predicted repairs based on MOT history.
View Infiniti Ex Running CostsSave Money on Your Infiniti Ex
Handpicked deals to cut the cost of owning your Infiniti Ex
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
Infiniti Ex FAQ
What are the most common Infiniti Ex problems?
The most common Infiniti Ex 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 237 real tests.
Is the Infiniti Ex reliable?
The Infiniti Ex has an average MOT pass rate of 79%, which is 3 points below the national average of 82%. This is about average reliability.
Which year Infiniti Ex is most reliable?
The 2012 Infiniti Ex is the most reliable year with a 82% MOT pass rate. Avoid the 2010 model year if reliability is your priority, as it has the lowest pass rate at 78%.
How much does it cost to fix common Infiniti Ex faults?
Repair costs vary by issue. Brake work on a Infiniti Ex 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 Infiniti Ex
Enter any reg plate to see the exact MOT history, defects found, health score, and running cost estimate for that specific car.
Other Infiniti Models
Common problems pages for other Infiniti models