It may be difficult to believe, but GM’s 6L80E six-speed automatic transmission has been part of the automotive landscape for 20 years. It made its debut in the 2006 Cadillac STS-V, a Euro-challenging ...
The 4L60E and 4L80E are two of General Motors’ most discussed automatic transmissions, and the choice between them shapes how a truck, SUV, or LS swap behaves on the street and under heavy load. Both ...