One benefit was that the cruise control was integrated into the gearbox' electronic control module, improving the ability to maintain a set speed while avoiding needless shifting, thus lowering fuel consumption and noise levels.
[1] By the mid-1990s, the 4T60-E was the transmission of choice in nearly every front-wheel drive GM vehicle with the exception of compacts.
A heavy-duty 4T60-E HD was produced in 1996 for the supercharged GM 3800 engine The 4T60-E was phased out in favor of the 4T65 beginning in 1997.
The 4T60-E featured a 245 mm (9.6 in) torque converter with varying stall speed and gear ratios.
The 4T65-E included a larger 258 mm torque converter for some models and many other changes to improve reliability.