"How reliable is the 2018 Chevrolet Volt?"

"Based on 341 NHTSA complaints, the 2018 Chevrolet Volt has a median complaint mileage of 25000 miles. The most common issue is ELECTRICAL SYSTEM."

"What are common problems with the 2018 Chevrolet Volt?"

"The most frequently reported component in NHTSA complaints for the 2018 Chevrolet Volt is ELECTRICAL SYSTEM, accounting for a significant portion of the 341 total complaints filed."

2018 Chevrolet Volt: Reliability Data

Source: NHTSA — 341 complaints

341

Total Complaints

25,000mi

Median Mileage

ELECTRICAL SYSTEM

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

11,500 25th Percentile

25,000 Median Mileage

40,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM

POWER TRAIN

FUEL/PROPULSION SYSTEM

ENGINE

UNKNOWN OR OTHER

SERVICE BRAKES

VEHICLE SPEED CONTROL

POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT

VISIBILITY/WIPER

STEERING

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"COLLISION OCCURRED ON E DENNY WAY IN SEATTLE, APPROX 3:20 PM ON A DOWNHILL SLOPE IN STOP-AND-GO TRAFFIC AFTER ABOUT 20 MINUTES OF CONSTANT BRAKE USE TO HOLD BACK THE CAR. ABOUT 2/3 OF THE WAY DOWNHILL THE BRAKES FAILED, NO RESISTANCE WHATSOEVER AND THE CAR ROLLED INTO THE VEHICLE IN FRONT, A DISTANC..."

"I WAS DRIVING MY CAR ON FREEWAY AT 65 MPH AND SUDDENLY CAR DISPLAYED WARNING ON DASH BOARD TO SHIFT THE CAR IN PARK POSITION. CAR IMMEDIATELY LOST POWER FROM ENGINE. I HAD TO IMMEDIATELY PULL OVER CAR FROM LEFT MOST LANE TO BUFFER LANE BETWEEN FREEWAY AND EXIT. MY MOVE UNTIL IT HAD MOMENTUM. BUT TH..."

"I RAN INTO A VEHICLE IN FRONT OF ME DURING NORMAL TRAFFIC ON MY WAY HOME FROM WORK, TWO MONTHS TO THE DAY OF PICKING UP MY 2018 VOLT. THE VEHICLE AHEAD OF ME MAY HAVE STOPPED QUICKLY, BUT IT WAS NOT A STOP THE VOLT SHOULDN'T HAVE BEEN ABLE TO HANDLE. I WAS ON A STREET IN MY NEIGHBORHOOD I DRIVE EV..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28