GMC Sierra 1500 vs Toyota Tacoma
Pickup truck · 2015–2020 · 3,631 federal complaints
GMC Sierra 1500
2,526 complaints · 3 engines
Most-complained engine: L83-SPARKIGNITEDDIRECTINJECTION · 5.3L V8
Full breakdown for GMC Sierra 1500 →
Toyota Tacoma
1,105 complaints · 3 engines
Most-complained engine: 2GR-FKS · 3.5L V6
Full breakdown for Toyota Tacoma →Side by side
Both cars scored as percentiles within Pickup truck, so the shapes are directly comparable. Built from EPA test data.
GMC Sierra 1500Toyota Tacoma
What each one's complaints are about
Showing each car's highest-volume engine. Share of component mentions — not a failure rate, and not a ranking between the two.
GMC Sierra 1500
1,563complaints
Transmission & drivetrain 17%Engine 12%Brakes 20%Electrical 11%
Toyota Tacoma
929complaints
Transmission & drivetrain 18%Engine 11%Brakes 11%Fuel system 11%
One car having more complaints than the other mostly reflects how many were sold, not how often they break. Compare each car's own mix of problems — not the totals.