Cadillac STS vs Pontiac Montana

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	Cadillac STS	Pontiac Montana
Complaints on file	610	1,451
Model years covered	1998–2011	1997–2008
Worst model year	2005	2000
Best model year	2002	2006
Crashes reported	74	98
Fires reported	26	18
Injuries reported	43	117
Deaths reported	0	6
Most complained-about part	Airbags	Engine & Cooling
Share of complaints involving harm	23.4%	16.5%

Cadillac STS by year

3 16 15 17 10 15 9 145 197 67 77 24 6 9

98 99 00 01 02 03 04 05 06 07 08 09 10 11

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

What breaks

Airbags 106 17.4%

Electrical System 86 14.1%

Engine & Cooling 83 13.6%

Transmission & Drivetrain 47 7.7%

Fuel & Propulsion 42 6.9%

Brakes 34 5.6%

Stability & Traction Control 31 5.1%

Steering 25 4.1%

Pontiac Montana by year

25 62 329 310 208 161 117 46 130 61 2

97 98 99 00 01 02 03 04 05 06 08

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

What breaks

Engine & Cooling 300 20.7%

Body & Structure 122 8.4%

Electrical System 120 8.3%

Transmission & Drivetrain 102 7.0%

Airbags 99 6.8%

Fuel & Propulsion 99 6.8%

Brakes 93 6.4%

Doors, Latches & Locks 77 5.3%