Z71 (2002)
Engine Reliability Ratings
LM7 Iron
5.3L 8-cylView details
Complaint Breakdown
Known Issues
Show 2 additional engine variants with limited data
L59
5.3L 8-cylView details
Complaint Breakdown
Known Issues
LM7
5.3L 8-cylView details
Complaint Breakdown
Known Issues
Vehicle-Level Issues
These issues affect the Chevrolet Z71 regardless of engine variant.
Alternatives in Full-Size Truck
Frequently Asked Questions
What are the most common 2002-2002 Chevrolet Z71 problems?
The 2002-2002 Chevrolet Z71 has accumulated 24 NHTSA complaints. The most frequently reported problem areas are Brakes, Transmission, Engine. As with any used vehicle, a pre-purchase inspection and vehicle history report are recommended.
Which Chevrolet Z71 engine is most reliable?
The 2002-2002 Chevrolet Z71 was offered with 3 engine options. Based on NHTSA complaint data, the 5.3L 8-cyl has the lowest complaint density and is considered the most reliable choice for buyers.
Is the 2002-2002 Chevrolet Z71 a good used car?
The 2002-2002 Chevrolet Z71 can be a solid used car purchase depending on trim, mileage, and maintenance history. With 24 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.
How many NHTSA complaints does the 2002-2002 Chevrolet Z71 have?
The 2002-2002 Chevrolet Z71 has 24 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.
What recalls affect the 2002-2002 Chevrolet Z71?
There are 0 NHTSA recalls affecting some 2002-2002 Chevrolet Z71 vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.
What should I check before buying a used Chevrolet Z71?
Before buying a used Chevrolet Z71, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Brakes, Transmission, Engine, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.
Does the Z71 have NHTSA crash test ratings?
NHTSA has not published crash test ratings for the 2002 Chevrolet Z71. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.
Data from NHTSA federal complaints database. 24 complaints analyzed. Data confidence: low. Last updated: 2026-04-07.