The Acura SH-AWD system (short for: Super Handling-All Wheel Drive) is often described ambiguously in most automobile literature. Some articles even said it is an enhanced version of the Honda VTM-4, which is incorrect.
In this article, we will analyze the SH-AWD in detail, focusing on these three questions:
1. How does the SH-AWD work?
2. Why the SH-AWD can transfer large amount of power to rear wheels constantly, without worrying about the wear and overheating issues?
3. What is the difference between the Acura SH-AWD and the Honda VTM-4 system?
Overview: The SH-AWD Systems
Currently there are 4 different types of SH-AWD:
1. The SH-AWD used on the 2005-2012 Acura RL