Reliability

Which years and models to trust — and which to avoid.

A pickup parked outside a house, of the kind described in hundreds of thousands of owner reports
Reliability

The Average Complaint Grew From 156 Characters to 572. A Death Does Not Make It Longer.

How much somebody writes about a car fault turns out to have almost nothing to do with how bad the fault was. It tracks the keyboard they were sitting at.

Sep 16, 2026 · 2 min
A sedan at an intersection, the setting of most crash-involved complaints
Reliability

One Toyota Complaint in Ten Involves a Crash. Across All Brands, One in Sixteen.

Some brands generate complaints about warning lights. Others generate complaints about accidents. The ratio between them is stable enough to mean something, and it is not a ranking of how safe the cars are.

Sep 15, 2026 · 2 min
Concentration of complaints into a single component by model
Reliability

73% of BMW Z4 Complaints Are About One Thing

A complaint count tells you how much trouble a model generates. The shape of those complaints tells you what kind — and for some models the answer is overwhelmingly one component.

Sep 14, 2026 · 4 min
Complaints involving rear doors, child locks and child seats
Reliability

775 Injuries Are Recorded in Complaints Mentioning Children

The back seat is where the smallest occupants sit and the least-inspected hardware lives. Complaints about it carry an injury rate that has nothing to do with how often the parts fail.

Sep 11, 2026 · 4 min
Power steering loss complaints by model year
Reliability

17,760 Complaints Describe the Steering Going Heavy Mid-Corner

Losing power steering does not mean losing steering. It means the effort required multiplies without warning, at whatever moment the system decides to stop helping.

Sep 11, 2026 · 4 min
Seat belt buckle release complaints and injuries
Reliability

1,244 Complaints Say the Seat Belt Came Undone by Itself

The seat belt is the single most effective safety device ever fitted to a car, and its buckle is a spring-loaded catch operated several thousand times a year. These are the reports of it letting go.

Sep 11, 2026 · 4 min
Brake line corrosion complaints by brand and vehicle age
Reliability

Chevrolet Owners File 43% of All Brake Line Complaints

A brake line is a steel tube running the length of the car, under it, through everything the road throws up. When it rots through the pedal goes to the floor without any warning at all.

Sep 11, 2026 · 4 min
Complaints describing a wheel separating from the vehicle
Reliability

3,564 Drivers Report a Wheel Leaving the Car

A wheel separating from a moving car sounds like the result of somebody forgetting to tighten the nuts. In these reports the suspension joint holding the wheel is blamed four times more often than the fasteners.

Sep 10, 2026 · 4 min
Panoramic sunroof glass shattering complaints by brand
Reliability

3,935 Owners Report a Sunroof That Exploded on Its Own

A roof panel that breaks with a bang while the car is doing seventy sounds like something hit it. In thousands of these reports nothing did, and the reason is in how the glass is made.

Sep 10, 2026 · 4 min
Engine stalling complaints and where they happen
Reliability

84,352 Complaints Describe an Engine Cutting Out in Traffic

An engine that stops while the car is moving takes the power steering and the brake servo with it. It is the most common serious complaint on file and the one drivers are least prepared for.

Sep 10, 2026 · 4 min
Parking brake complaints and their crash rate
Reliability

14% of Parking Brake Complaints End in a Crash

The parking brake is the system people trust without thinking and check almost never. When it fails, the failure has a property no other brake fault has: the driver is not there.

Sep 9, 2026 · 4 min
Fire rates in seat-related vehicle complaints
Reliability

703 Seat Complaints Involved a Fire. The Seat Wasn't the Problem.

Nobody expects the seat to be a fire risk. It burns more often than the fuel system does, for a reason that has nothing to do with what the seat is made of and everything to do with what was added to it.

Sep 9, 2026 · 4 min