Toyota 4 Runner vs Chevrolet Volt

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 4 Runner	Chevrolet Volt
Complaints on file	1,234	2,964
Model years covered	1994–2005	2011–2019
Worst model year	1997	2017
Best model year	2005	2015
Crashes reported	153	81
Fires reported	9	21
Injuries reported	105	56
Deaths reported	12	0
Most complained-about part	Engine & Cooling	Electrical System
Share of complaints involving harm	22.6%	5.3%

Toyota 4 Runner by year

61 149 111 163 135 134 118 34 45 188 76 20

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

Engine & Cooling 290 23.5%

Brakes 144 11.7%

Tires 139 11.3%

Suspension 100 8.1%

Transmission & Drivetrain 97 7.9%

Airbags 50 4.1%

Fuel & Propulsion 49 4.0%

Electrical System 41 3.3%

Chevrolet Volt by year

64 359 448 128 71 285 1,199 362 48

11 12 13 14 15 16 17 18 19

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

What breaks

Electrical System 705 23.8%

Fuel & Propulsion 508 17.1%

Transmission & Drivetrain 428 14.4%

Engine & Cooling 377 12.7%

Airbags 311 10.5%

Other & Unspecified 224 7.6%

Brakes 102 3.4%

Acceleration & Cruise Control 67 2.3%