Aren't the issues of feel pretty much the same as saying refinement? It can hang with the M3, at half the price. Not pretending to be refined. Sure, an IRS may improve it, but at a price.

I recall that the SVT team (on a previous generation Mustang) made an IRS version. It didn't sell well, and Ford went back to the live axle for subsequent versions. Same axle technology as their pickup trucks. And I bet that more than a few Mustang owners also have a pickup truck. No surprise that Ford announced the same V8 Mustang engine will be available in the F150. I think they know their market.

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue