CHEVROLET BLAZER vs TOYOTA SIENNA

The CHEVROLET BLAZER (1973–2025, 41 model years) carries 11,033 NHTSA consumer complaints and 14 safety recalls, while the TOYOTA SIENNA (1996–2020, 25 model years) carries 10,768 complaints and 49 recalls. Severity indicators for the pair split as follows: 1,094 vs 556 crashes, 258 vs 116 fires, and 76 vs 11 reported fatalities.

Raw complaint counts favor whichever nameplate has fewer vehicles on the road, so the cleaner lens is components: which specific part families concentrate each model's filings? For the CHEVROLET BLAZER, the leading complaint category is service brakes, hydraulic:antilock/traction control/electronic limited slip (2004 filings), followed by electrical system and power train:automatic transmission. For the TOYOTA SIENNA, it is structure:body (1123), ahead of structure:body:door and air bags. When the two vehicles cluster around the same component, the problem is likely a shared supplier or a shared federal standard under stress; when they diverge, each nameplate has its own defect signature independent of the other.

NHTSA's New Car Assessment Program gives the CHEVROLET BLAZER an average 5/5 crash-test rating versus 4.7/5 for the TOYOTA SIENNA, aggregated across all model years with published scores. Use the side-by-side table below as your scorecard, but do not treat it as a verdict. Recall counts tell you how many defects the manufacturer has already been compelled to remedy; complaint counts tell you what owners are still flagging today; and safety ratings tell you how the vehicle performs in standardized barrier tests, three different lenses on the same underlying question. The "also compare" links at the bottom of this page let you triangulate against neighboring nameplates in each model's competitive set.