Sierra EV becomes third electric tow vehicle   •   GMC splits 2027 Sierra from Silverado hints luxury   •   Volvo’s EX90 redefines luxury electric SUVs   •   General Motors Shifts 2026 Corvettes to Michigan for Quality Checks   •   Toyota bucks electric vehicle trend   •   Sierra EV becomes third electric tow vehicle   •   GMC splits 2027 Sierra from Silverado hints luxury   •   Volvo’s EX90 redefines luxury electric SUVs   •   General Motors Shifts 2026 Corvettes to Michigan for Quality Checks   •   Toyota bucks electric vehicle trend   •