Can the 2020 Chevrolet Silverado 3500HD make a U-turn?

No. Needs more than 40 ft.

57ft curb to curb

17 ft short on a 40 ft street.
2020 Chevrolet Silverado 3500HD Work Truck RWD.
Widest turn of 320 cars (2020).

Street width, feet

Street 40 feet curb to curb.

2020 Chevrolet Silverado 3500HD Work Truck RWD. Top view, to scale.

2020 Chevrolet Silverado 3500HD Work Truck RWD: U-turn by street width
Street	Margin	One move
30 ft	-27 ft	No
34 ft	-23 ft	No
38 ft	-19 ft	No
40 ft	-17 ft	No
42 ft	-15 ft	No
46 ft	-11 ft	No

2020 Chevrolet Silverado 3500HD: turning circle by trim, 40 ft street
Trim	Circle, ft	Margin	One move
2WD Reg Cab 142" Work Truck	46.9	-6.9 ft	No
Work Truck RWD	57	-17 ft	No
Work Truck LB DRW RWD	57	-17 ft	No
2WD Double Cab 162" Work Truck	53.9	-13.9 ft	No
Work Truck Double Cab LB RWD	57	-17 ft	No
4WD Reg Cab 142" Work Truck	46.9	-6.9 ft	No
Work Truck 4WD	57	-17 ft	No
Work Truck Double Cab LB DRW RWD	57	-17 ft	No
2WD Reg Cab 142" LT	46.9	-6.9 ft	No
LT RWD	57	-17 ft	No
Work Truck LB DRW 4WD	57	-17 ft	No
Work Truck Crew Cab RWD	52.7	-12.7 ft	No
Work Truck Crew Cab LB RWD	57	-17 ft	No
LT LB DRW RWD	57	-17 ft	No
4WD Double Cab 162" Work Truck	53.9	-13.9 ft	No
Work Truck Double Cab LB 4WD	57	-17 ft	No
Work Truck Crew Cab LB DRW RWD	57	-17 ft	No
2WD Double Cab 162" LT	53.9	-13.9 ft	No
LT Double Cab LB RWD	57	-17 ft	No
Work Truck Double Cab LB DRW 4WD	57	-17 ft	No
4WD Reg Cab 142" LT	46.9	-6.9 ft	No
LT 4WD	57	-17 ft	No
Work Truck Crew Cab 4WD	52.7	-12.7 ft	No
Work Truck Crew Cab LB 4WD	57	-17 ft	No
LT Double Cab LB DRW RWD	57	-17 ft	No
LT Crew Cab RWD	52.7	-12.7 ft	No
LT Crew Cab LB RWD	57	-17 ft	No
LT LB DRW 4WD	57	-17 ft	No
Work Truck Crew Cab LB DRW 4WD	57	-17 ft	No
4WD Double Cab 162" LT	53.9	-13.9 ft	No
LT Double Cab LB 4WD	57	-17 ft	No
LT Crew Cab LB DRW RWD	57	-17 ft	No
LT Double Cab LB DRW 4WD	57	-17 ft	No
LT Crew Cab 4WD	52.7	-12.7 ft	No
LT Crew Cab LB 4WD	57	-17 ft	No
LT Crew Cab LB DRW 4WD	57	-17 ft	No
LTZ Crew Cab RWD	52.7	-12.7 ft	No
LTZ Crew Cab LB RWD	57	-17 ft	No
LTZ Crew Cab LB DRW RWD	57	-17 ft	No
LTZ Crew Cab 4WD	52.7	-12.7 ft	No
LTZ Crew Cab LB 4WD	57	-17 ft	No
LTZ Crew Cab LB DRW 4WD	57	-17 ft	No
High Country Crew Cab 4WD	52.7	-12.7 ft	No
High Country Crew Cab LB 4WD	57	-17 ft	No
High Country Crew Cab LB DRW 4WD	57	-17 ft	No

What this cannot tell you

Curb-to-curb turning circle as listed.

Mirrors and overhang need more room.

2 or more sources
1 source
Model-level, rule or estimate
Sources disagree

How values are checked

Can the 2020 Chevrolet Silverado 3500HD make a U-turn?

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What this cannot tell you