Off-road enthusiasts have been clamoring for years for GM to produce a body-on-frame SUV to do battle with the Jeep Wrangler and Ford Bronco in the narrow niche of off-road SUVs from American brands.
A 2022 GMC Yukon XL Denali that looks as inconspicuous as any other is headed to the Barrett-Jackson Palm Beach auction later this month, but it’s hiding a big secret. It’s actually an armored SUV ...