Toyota 4RUNNER vs Chevrolet Impala

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	Toyota 4RUNNER	Chevrolet Impala
Complaints on file	6,482	15,232
Model years covered	1984–2026	1963–2020
Worst model year	2006	2000
Best model year	2026	1994
Crashes reported	396	932
Fires reported	64	477
Injuries reported	248	631
Deaths reported	13	7
Most complained-about part	Body & Structure	Electrical System
Share of complaints involving harm	11.1%	13.4%

Toyota 4RUNNER by year

2 2 13 7 12 7 95 55 73 58 15 52 92 200 168 312 520 206 261 718 847 553 520 204 134 33 175 182 112 48 91 116 105 48 78 87 43 54 55 42 11 64 12

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 12 13 14 15 16 17 18 19 20 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

Body & Structure 1,791 27.6%

Suspension 817 12.6%

Other & Unspecified 722 11.1%

Airbags 474 7.3%

Brakes 472 7.3%

Engine & Cooling 380 5.9%

Transmission & Drivetrain 357 5.5%

Steering 294 4.5%

Chevrolet Impala by year

1 4 2 5 1 2 2 2 3 1 1 6 19 64 120 2 4 4 1,128 959 1,077 935 1,375 811 803 932 1,203 1,368 737 844 422 467 1,021 436 178 138 88 41 26

63 66 67 69 77 79 81 82 83 85 87 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20

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

What breaks

Electrical System 3,503 23.0%

Engine & Cooling 1,960 12.9%

Steering 1,227 8.1%

Brakes 975 6.4%

Stability & Traction Control 971 6.4%

Airbags 963 6.3%

Transmission & Drivetrain 945 6.2%

Lights 737 4.8%