Can the 2020 Chevrolet Colorado make a U-turn?

No. Needs more than 40 ft.

41.3ft curb to curb

Street width, feet

Street 40 feet curb to curb.

2020 Chevrolet Colorado 2WD Ext Cab 128" Base. Top view, to scale.

2020 Chevrolet Colorado: turning circle by trim, 40 ft street
Trim	Circle, ft	Margin	One move
2WD Ext Cab 128" Base	41.3	-1.3 ft	No
Base Extended Cab RWD	41.3	-1.3 ft	No
2WD Ext Cab 128" Work Truck	41.3	-1.3 ft	No
Work Truck Extended Cab RWD	41.3	-1.3 ft	No
Work Truck Crew Cab RWD	41.3	-1.3 ft	No
2WD Ext Cab 128" LT	41.3	-1.3 ft	No
LT Extended Cab RWD	41.3	-1.3 ft	No
4WD Ext Cab 128" Work Truck	41.3	-1.3 ft	No
Work Truck Extended Cab 4WD	41.3	-1.3 ft	No
Work Truck Crew Cab LB RWD	44.6	-4.6 ft	No
LT Crew Cab RWD	41.3	-1.3 ft	No
4WD Ext Cab 128" LT	41.3	-1.3 ft	No
LT Extended Cab 4WD	41.3	-1.3 ft	No
Work Truck Crew Cab 4WD	41.3	-1.3 ft	No
LT Crew Cab LB RWD	44.6	-4.6 ft	No
Work Truck Crew Cab LB 4WD	44.6	-4.6 ft	No
Z71 Crew Cab RWD	41.3	-1.3 ft	No
LT Crew Cab 4WD	41.3	-1.3 ft	No
LT Crew Cab LB 4WD	44.6	-4.6 ft	No
4WD Ext Cab 128" Z71	41.3	-1.3 ft	No
Z71 Extended Cab 4WD	41.3	-1.3 ft	No
Z71 Crew Cab 4WD	41.3	-1.3 ft	No
Z71 Crew Cab LB 4WD	44.6	-4.6 ft	No
4WD Ext Cab 128" ZR2	41.3	-1.3 ft	No
ZR2 Extended Cab 4WD	41.3	-1.3 ft	No
ZR2 Crew Cab 4WD	41.3	-1.3 ft	No
Extended Cab 6 ft 2WD	41.3	-1.3 ft	No
Extended Cab LT 6 ft 4WD	41.3	-1.3 ft	No
Extended Cab Work Truck 6 ft 2WD	41.3	-1.3 ft	No
Extended Cab Z71 6 ft 4WD	41.3	-1.3 ft	No
Extended Cab ZR2 6 ft 4WD	41.3	-1.3 ft	No

What this cannot tell you

Curb-to-curb turning circle as listed.

Mirrors and overhang need more room.