Part 1: Exterior, engine and transmission Part 2: Interior, Seats and Visibility Part 3: Performance, handling and equipment Wilderness State Park, Michigan The Saab 9-4X weighs a hefty 4,400 lbs with the 3.0i engine. The Aero is even heavier and can tip the scale up to 4,700 pounds. I owned a 2002 Chevrolet Trailblazer for a couple of years and it had the typical ride of an SUV. Heavy, pretty slow, vague steering, ...