I would say it is for resale value reasons, first they were limited XR colours so pretty rare anyway, then to have the colours on cars with a limited range build dates, should make the perspective buyer pay more if he/she really wants that colour. my 2c.
94 ED Fairmont Auto.
Pacemaker Extractors, 2.5" Mandrel Exhaust, Hi-Flow Cat, Stright Through Muff, Broadband Intake Manifold, EEC V, Wood Grain Trim.
Thermo Conversion, AU XR8 Intake Snorkel, 10mm Spiral Core Leads, Shift Kit, Mock Dev5a Cam, King Low Springs.
17" ROH Shadow Chrome RT's, K&N Air Filter, LSD Conversion w/ 3.7 Gears.
Proudest Addition: Socks the Brindle Staffy Girl.
Proud TQE Operator