"How reliable is the 1994 Gmc Suburban?"

"Based on 490 NHTSA complaints, the 1994 Gmc Suburban has a median complaint mileage of 113000 miles. The most common issue is SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP."

1994 Gmc Suburban: Reliability Data

Q: "What are common problems with the 1994 Gmc Suburban?"

"The most frequently reported component in NHTSA complaints for the 1994 Gmc Suburban is SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP, accounting for a significant portion of the 490 total complaints filed."

Source: NHTSA — 490 complaints

490

Total Complaints

113,000mi

Median Mileage

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

Top Issue

Crash Reports

When Do Complaints Happen?

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

86,750 25th Percentile

113,000 Median Mileage

140,650 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

234

VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

VISIBILITY:WINDSHIELD WIPER/WASHER

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC

SEATS

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

TIRES

TIRES:TREAD/BELT

VEHICLE SPEED CONTROL

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"STARCRAFT PACKAGE W/FENDER AND SIDE BOARD. OWNER CAN'T USE CHAINS. PLEASE DESCRIBE DETAILS. TT"

"WHEN APPLYING THE BRAKES PEDAL GOES TO THE FLOOR. TT"

"THE BRAKES HAVE FAILED ALL AROUND ON THE VEHICLE THAT IS 5 MONTHS OLD AND THERE ARE 20,OOO MILES.PLEASE DESCRIBE FURTHER. TT"

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR 42 complaints

25th: 75,000 mi Median: 100,000 mi 75th: 126,500 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 96 TX: 45 NY: 35 FL: 23 MD: 19 PA: 18 MO: 16 NJ: 16 AZ: 15 OH: 14

Who Files Complaints?

28.8%

Original Owners

71.2%

Second+ Owners

Gmc Suburban — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1990	28	-	PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE	3
1991	33	-	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	2
1992	105	-	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	25
1993	254	-	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	38
1995	294	125,000	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	24
1996	220	87,947	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	13
1997	268	90,723	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	22
1998	137	88,393	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	10
1999	393	75,000	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	30
2000	20	23,000	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	1

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