Sierra EV Denali Out-Tows Diesel F-250   •   Owner Regrets Trade-In for 2025 Turbo Towing 5,500 Lbs   •   Larger 2026 Subaru Uncharted Has 338 Horsepower   •   Sierra EV becomes third electric tow vehicle   •   GMC splits 2027 Sierra from Silverado hints luxury   •   Sierra EV Denali Out-Tows Diesel F-250   •   Owner Regrets Trade-In for 2025 Turbo Towing 5,500 Lbs   •   Larger 2026 Subaru Uncharted Has 338 Horsepower   •   Sierra EV becomes third electric tow vehicle   •   GMC splits 2027 Sierra from Silverado hints luxury   •