Why no LSD on the AWD?

I'm leaning the other way - AWD isn't something you can add on later. The Infiniti Q50 (even the Red Sport) is the same as the Stinger AWD - no rear LSD (Limited Slip Differential) (even though the G37 had it!), just the e-LSD (Limited Slip Differential) - for both RWD and AWD. Now, 3-4 years later, there are two different aftermarket options (both just came out recently) for adding a real LSD (Limited Slip Differential) to RWD or AWD. I figure eventually, someone might do the same for the Stinger, especially since it's already available in some trims. Until such time, for most of *MY* uses, AWD > RWD + LSD (Limited Slip Differential). YMMV.

I meant to respond to this one a while ago. This is a great point. If I can add an aftermarket LSD later, and the cost is not astronomical (< $1000), it is probably better to go with AWD. I always thought AWD in northern VA was kind of a waste of money, but I started skiing last year, and now think it's imperative. Heading out to ski resorts always takes you through windy roads exactly when the weather is the worst!
 
Back from the dead. Are the gear ratios the same between the RWD and AWD rear diffs? If so, can the diff from a RWD model be swapped into an AWD car? I come from the DSM world where even the AWD models had rear LSD's (which was great because we definitely pushed these cars to the extreme, and made for awesome winter time driving), but the for instance, the gear ratios between the Manual and Automatic cars were different, so you couldn't just swap out difs. I ask because I am close to pulling the trigger on a n2019 GT2 but REALLY want a LSD.
 
Back from the dead. Are the gear ratios the same between the RWD and AWD rear diffs? If so, can the diff from a RWD model be swapped into an AWD car? I come from the DSM world where even the AWD models had rear LSD (Limited Slip Differential)'s (which was great because we definitely pushed these cars to the extreme, and made for awesome winter time driving), but the for instance, the gear ratios between the Manual and Automatic cars were different, so you couldn't just swap out difs. I ask because I am close to pulling the trigger on a n2019 GT2 but REALLY want a LSD (Limited Slip Differential).
yes, from what i've seen the ratios are the same... and seeing as the canadian top trims has the lsd with awd should bolt right up.
 
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