Can the 2021 RAM 3500 make a U-turn?

No. Needs more than 40 ft.

50.6ft curb to curb

10.6 ft short on a 40 ft street.
2021 RAM 3500 Tradesman LB RWD.
Widest turn of 300 cars (2021).

Street width, feet

Street 40 feet curb to curb.

2021 RAM 3500 Tradesman LB RWD. Top view, to scale.

2021 RAM 3500 Tradesman LB RWD: U-turn by street width
Street	Margin	One move
30 ft	-20.6 ft	No
34 ft	-16.6 ft	No
38 ft	-12.6 ft	No
40 ft	-10.6 ft	No
42 ft	-8.6 ft	No
46 ft	-4.6 ft	No

2021 RAM 3500: turning circle by trim, 40 ft street
Trim	Circle, ft	Margin	One move
Tradesman 4x2 Reg Cab 8' Box	45.4	-5.4 ft	No
Tradesman LB RWD	50.6	-10.6 ft	No
Tradesman Regular Cab LB DRW RWD	50.6	-10.6 ft	No
Tradesman 4x4 Reg Cab 8' Box	41.5	-1.5 ft	No
Tradesman Crew Cab RWD	47.7	-7.7 ft	No
Tradesman Crew Cab LB RWD	53.6	-13.6 ft	No
Big Horn 4x2 Reg Cab 8' Box	45.4	-5.4 ft	No
Big Horn LB RWD	50.6	-10.6 ft	No
Lone Star 4x2 Reg Cab 8' Box	45.4	-5.4 ft	No
Lone Star Regular Cab LB RWD	50.6	-10.6 ft	No
Tradesman LB DRW 4WD	50.6	-10.6 ft	No
Tradesman Crew Cab LB DRW RWD	50.6	-10.6 ft	No
Big Horn LB DRW RWD	50.6	-10.6 ft	No
Lone Star LB DRW RWD	50.6	-10.6 ft	No
Tradesman Crew Cab 4WD	47.7	-7.7 ft	No
Big Horn 4x4 Reg Cab 8' Box	41.5	-1.5 ft	No
Big Horn LB 4WD	50.6	-10.6 ft	No
Lone Star 4x4 Reg Cab 8' Box	41.5	-1.5 ft	No
Lone Star LB 4WD	50.6	-10.6 ft	No
Tradesman Crew Cab LB 4WD	53.7	-13.7 ft	No
Tradesman LB 4WD	50.6	-10.6 ft	No
Big Horn LB DRW 4WD	50.6	-10.6 ft	No
Lone Star LB DRW 4WD	50.6	-10.6 ft	No
Tradesman Crew Cab LB DRW 4WD	50.6	-10.6 ft	No
Big Horn Crew Cab RWD	47.7	-7.7 ft	No
Lone Star Crew Cab RWD	47.7	-7.7 ft	No
Big Horn Crew Cab LB RWD	53.6	-13.6 ft	No
Lone Star Crew Cab LB RWD	53.6	-13.6 ft	No
Big Horn Crew Cab LB DRW RWD	50.6	-10.6 ft	No
Lone Star Crew Cab LB DRW RWD	50.6	-10.6 ft	No
Big Horn Crew Cab 4WD	47.7	-7.7 ft	No
Lone Star Crew Cab 4WD	47.7	-7.7 ft	No
Big Horn Crew Cab LB 4WD	53.7	-13.7 ft	No
Lone Star Crew Cab LB 4WD	53.7	-13.7 ft	No
Big Horn Mega Cab 4WD	50.6	-10.6 ft	No
Lone Star Mega Cab 4WD	50.6	-10.6 ft	No
Big Horn Crew Cab LB DRW 4WD	50.6	-10.6 ft	No
Lone Star Crew Cab LB DRW 4WD	50.6	-10.6 ft	No
Big Horn Mega Cab DRW 4WD	50.6	-10.6 ft	No
Lone Star Mega Cab DRW 4WD	50.6	-10.6 ft	No
Laramie Crew Cab RWD	47.7	-7.7 ft	No
Laramie Crew Cab LB RWD	53.6	-13.6 ft	No
Laramie Crew Cab LB DRW RWD	50.6	-10.6 ft	No
Laramie Crew Cab 4WD	47.7	-7.7 ft	No
Laramie Crew Cab LB 4WD	53.7	-13.7 ft	No
Laramie Mega Cab 4WD	50.6	-10.6 ft	No
Laramie Crew Cab LB DRW 4WD	50.6	-10.6 ft	No
Laramie Mega Cab DRW 4WD	50.6	-10.6 ft	No
Limited Longhorn Crew Cab RWD	50.6	-10.6 ft	No
Longhorn 4x2 Crew Cab 6'4" Box	47.7	-7.7 ft	No
Limited Longhorn Crew Cab LB RWD	50.6	-10.6 ft	No
Longhorn 4x2 Crew Cab 8' Box	53.6	-13.6 ft	No
Limited Longhorn Crew Cab LB DRW RWD	50.6	-10.6 ft	No
Limited Longhorn Crew Cab 4WD	50.6	-10.6 ft	No
Longhorn 4x4 Crew Cab 6'4" Box	47.7	-7.7 ft	No
Limited Longhorn Crew Cab LB 4WD	50.6	-10.6 ft	No
Longhorn 4x4 Crew Cab 8' Box	53.7	-13.7 ft	No
Limited Longhorn Mega Cab 4WD	50.6	-10.6 ft	No
Longhorn 4x4 Mega Cab 6'4" Box	50.6	-10.6 ft	No
Limited Crew Cab LB RWD	53.6	-13.6 ft	No
Limited Longhorn Crew Cab LB DRW 4WD	50.6	-10.6 ft	No
Limited Crew Cab RWD	47.7	-7.7 ft	No
Limited Crew Cab LB DRW RWD	50.6	-10.6 ft	No
Limited Longhorn Mega Cab DRW 4WD	50.6	-10.6 ft	No
Limited Crew Cab LB 4WD	53.7	-13.7 ft	No
Limited Crew Cab 4WD	47.7	-7.7 ft	No
Limited Crew Cab LB DRW 4WD	50.6	-10.6 ft	No
Limited Mega Cab 4WD	50.6	-10.6 ft	No
Limited Mega Cab DRW 4WD	50.6	-10.6 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 2021 RAM 3500 make a U-turn?

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What this cannot tell you