XTM Is slightly longer Gst is Slightly wider. Both have same ground clearance. And LST would look small compared to both of them.

XTM

Specifications:


Length: 25" (63.5 cm)
Height: 12" (30.5 cm)
Width: 17" (43.2 cm)
Weight: 14 lb (6.35 kg)
Wheelbase: 16.5" (41.91 cm)
Tire diameter: 7" (17.78 cm)
Ground clearance: 4" (10.16 cm) with suspension extended

GST

Length: 23.1" (587mm)
Width: 18.4" (467mm)
Height: 11.8" (300mm)
Weight: 15.4 lbs (7kgs) approx.
Wheelbase: 15.63" (397mm) wheels on-center front-to-rear
Front and Rear Tread: 15" (378mm) wheels on center side to side
Front and Rear Track: 17.75" (451mm) wheels at outer edges
Ground Clearance: 4" (102mm)
Suspension Travel: 5"
Tires: Diameter 7.5" (190mm), Width 4" (102mm)
Wheels: Diameter 5.2" (132mm)