Maserati QUATTROPORTE - 2009
171.8 faults per 100 tests
Year average for all cars of 2009 is 311.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Maserati QUATTROPORTE, model year 2009.
Sample size: 128 cars, 294 tests and 505 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 128 cars
The 2009 Maserati Quattroporte shows a notably lower overall defect rate compared to the average car of the same year, with 172 defects per 100 vehicles against the average of 310. This represents a 44.5% improvement. While tyre wear is not specifically highlighted, the model exhibits particularly strong performance in categories such as brakes, steering, visibility, and lights & electrics, all showing significantly fewer defects than average. However, it has a higher incidence of equipment-related issues. The defect rates also reveal a trend where vehicles with lower mileage tend to show more defects compared to those with higher mileage, particularly in the 124,000+ miles segment, where the Quattroporte has an average defect rate of 350 per 100 vehicles.
Cars by mileage segment
Total: 128 cars
More model years for Maserati QUATTROPORTE
Other models from Maserati
Categories
Brakes
▲ 52.5% better
55.8 faults / 100 tests
Year avg: 117.5 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Parking brake inoperative on one side, or in the case of testing on the road, the vehicle deviates excessively from a straight line
- Flexible brake hose: slightly damaged, chafed or twisted
- Brake disc or drum: significantly and obviously worn
- Parking brake efficiency: below minimum requirement
Steering
▲ 33.1% better
10.9 faults / 100 tests
Year avg: 16.3 / 100 tests
- Steering
- A steering ball joint: with excessive wear or free play
- Power steering fluid leaking or system malfunctioning
- A steering ball joint: with excessive wear or free play
Visibility
▲ 24.4% better
17.7 faults / 100 tests
Year avg: 23.4 / 100 tests
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Obligatory mirror or device: slightly damaged or loose
Lights & Electrics
▲ 86.5% better
10.9 faults / 100 tests
Year avg: 80.9 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp not securely attached
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- Rear registration plate lamp does not illuminate simultaneously with the position lamps
- Beam image obviously incorrect
Wheels & Suspension
▲ 29.7% better
210.9 faults / 100 tests
Year avg: 299.8 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A spring: or spring component fractured or seriously weakened
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 83.6% better
6.8 faults / 100 tests
Year avg: 41.5 / 100 tests
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- An engine mounting or bracket: severely damaged or deteriorated resulting in excessive movement
Equipment
▼ 47.0% worse
12.2 faults / 100 tests
Year avg: 8.3 / 100 tests
- A seat belt:
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
- A seat belt: or flexible stalk damaged
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
Other
▲ 52.6% better
16.3 faults / 100 tests
Year avg: 34.4 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Emissions levels exceed the manufacturer’s specified limits
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed default limits
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 78
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 56
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 51
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 30
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 20
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 20
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 15
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 14
A seat belt: or flexible stalk damaged
ADVISORY
Occurrences: 12
A shock absorber bush excessively worn
ADVISORY
Occurrences: 12
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 15
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 11
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 11
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 7
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 7
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 7
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 6
Parking brake inoperative on one side, or in the case of testing on the road, the vehicle deviates excessively from a straight line
FAIL
Occurrences: 6
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 5
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 5