Infiniti Q45 vs Unknown Unknown

Both cars' complete complaint records, side by side.

Read the totals carefully. NHTSA publishes no sales figures, so the car that sold more collects more complaints regardless of quality. The rows worth weighing are the proportions — the share of complaints that involved harm, and which part dominates.

Measure	Infiniti Q45	Unknown Unknown
Complaints on file	307	756
Model years covered	1990–2005	1984–2003
Worst model year	1994	2000
Best model year	1997	1994
Crashes reported	37	72
Fires reported	15	34
Injuries reported	24	56
Deaths reported	0	14
Most complained-about part	Electrical System	Tires
Share of complaints involving harm	24.8%	23.3%

Infiniti Q45 by year

33 49 34 3 47 8 8 13 16 10 13 5 29 20 14 5

90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Electrical System 41 13.4%

Engine & Cooling 33 10.7%

Transmission & Drivetrain 33 10.7%

Airbags 28 9.1%

Brakes 21 6.8%

Suspension 20 6.5%

Acceleration & Cruise Control 19 6.2%

Fuel & Propulsion 15 4.9%

Unknown Unknown by year

4 5 5 6 15 5 10 11 12 23 37 27 54 62 137 129 64 65 85

84 85 86 87 88 89 90 92 93 94 95 96 97 98 99 00 01 02 03

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Tires 119 15.7%

Body & Structure 60 7.9%

Electrical System 56 7.4%

Lights 56 7.4%

Equipment & Accessories 54 7.1%

Suspension 50 6.6%

Brakes 49 6.5%

Engine & Cooling 47 6.2%