Common Bentley Eight Problems, Faults, and Repair Costs
Every known Bentley Eight MOT issue, ranked by how common it is and what it costs to fix. Based on 220 real MOT tests across 3 model years.
Segment: luxury | Fuel: Petrol
83%
Bentley Eight pass rate
94%
Bentley average
82%
National average
The Bentley Eight has an average MOT pass rate of 83%, which is 11 points below the Bentley average and 1 points above the national average. Newer BENTLEY EIGHTs show better MOT pass rates than older ones, with an average improvement of 30 percentage points.
Check Your Bentley Eight'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 Bentley Eight MOT Issues
Ranked by how likely they are to affect your Bentley Eight, 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.
Bentley Eight Reliability by Year
MOT pass rate for each model year, based on real test data
Bentley Eight Running Costs
Want to know the full annual running costs for the Bentley Eight? Including fuel, tax, insurance, and predicted repairs based on MOT history.
View Bentley Eight Running CostsSave Money on Your Bentley Eight
Handpicked deals to cut the cost of owning your Bentley Eight
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
Bentley Eight FAQ
What are the most common Bentley Eight problems?
The most common Bentley Eight 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 220 real tests.
Is the Bentley Eight reliable?
The Bentley Eight has an average MOT pass rate of 83%, which is 1 points above the national average of 82%. This is considered good reliability.
Which year Bentley Eight is most reliable?
The 1992 Bentley Eight is the most reliable year with a 100% MOT pass rate. Avoid the 1990 model year if reliability is your priority, as it has the lowest pass rate at 66%.
How much does it cost to fix common Bentley Eight faults?
Repair costs vary by issue. Brake work on a Bentley Eight 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 Bentley Eight
Enter any reg plate to see the exact MOT history, defects found, health score, and running cost estimate for that specific car.
Other Bentley Models
Common problems pages for other Bentley models