Re: New tow vehicle
I've had three of the on demand all wheel drive suv's and have been in every type of situation you can imagine, from towing in the winter in deep snow, completely disheveled boat ramp that are only dirt, mud, and on and on. Things have always gone exactly as I'd hoped as the AWD kicks in and saves the day. I will just say that you will want to ensure that you have the G80 mechanical locking rear differential in all of those GM's. The RPO code sticker on the inside of the glove box will list G80. It's not a mechanical limited slip like the G86 is but most times the Locking Rear Diff will make so you don't even need the A4wd. G80 is better than a G86 for our purposes but were generally not offered on the same vehicle as you will either have the open diff or the G80. Depending on the GM, it can be an option and surprisingly an option that while it is very cheap, isn't taken. The down side of the 4awd is that when it kicks on, you of course have no control of when and it slams it into action as opposed to nicely locking it in. My 4AWD on my main tow vehicle, without any notice and all the proper fluid change intervals completely blew up last month. It was somewhere around $3,000 ish to have it repaired and honestly shouldn't have happened given the timely fluid change and the miles. Secretly I'm always a bit excited when I actually need all four wheels to truly get out of a situation.