Ford Bronco Sport vs Mercury Grand Marquis

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	Ford Bronco Sport	Mercury Grand Marquis
Complaints on file	2,031	4,954
Model years covered	2021–2026	1977–2011
Worst model year	2022	2003
Best model year	2026	2011
Crashes reported	84	395
Fires reported	76	277
Injuries reported	52	239
Deaths reported	0	15
Most complained-about part	Electrical System	Lights
Share of complaints involving harm	10.4%	18.7%

Ford Bronco Sport by year

1,048 529 226 171 47 10

21 22 23 24 25 26

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

What breaks

Electrical System 355 17.5%

Engine & Cooling 329 16.2%

Fuel & Propulsion 300 14.8%

Transmission & Drivetrain 298 14.7%

Brakes 200 9.8%

Other & Unspecified 193 9.5%

Driver Assist & Collision Avoidance 83 4.1%

Windows, Mirrors & Wipers 53 2.6%

Mercury Grand Marquis by year

1 1 2 8 14 24 29 22 57 98 69 63 106 330 178 197 222 282 370 168 202 216 207 101 449 423 634 188 111 101 35 35 11

77 78 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 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

Lights 951 19.2%

Electrical System 556 11.2%

Engine & Cooling 535 10.8%

Acceleration & Cruise Control 459 9.3%

Brakes 369 7.4%

Steering 365 7.4%

Airbags 248 5.0%

Transmission & Drivetrain 238 4.8%