Can the 2025 Mazda MAZDA3 Sport make a U-turn?

Yes. Fits a 40 ft street.

37.3ft curb to curb

Street width, feet

Street 40 feet curb to curb.

2025 Mazda MAZDA3 Sport 2.5 S. Top view, to scale.

2025 Mazda MAZDA3 Sport: turning circle by trim, 40 ft street
Trim	Circle, ft	Margin	One move
2.5 S	37.3	+2.7 ft	Yes
2.5 S Select Sport	37.3	+2.7 ft	Yes
2.5 S Preferred	37.3	+2.7 ft	Yes
2.5 S Carbon Edition	37.3	+2.7 ft	Yes
2.5 S Premium	37.3	+2.7 ft	Yes
2.5 Carbon Turbo	37.3	+2.7 ft	Yes
2.5 Turbo Premium Plus	37.3	+2.7 ft	Yes
MAZDA3 2.5 Carbon Turbo AWD	37.3	+2.7 ft	Yes
MAZDA3 2.5 S Carbon Edition AWD	37.3	+2.7 ft	Yes
MAZDA3 2.5 S FWD	37.3	+2.7 ft	Yes
MAZDA3 2.5 S Preferred FWD	37.3	+2.7 ft	Yes
MAZDA3 2.5 S Premium FWD	37.3	+2.7 ft	Yes
MAZDA3 2.5 S Select Sport FWD	37.3	+2.7 ft	Yes
MAZDA3 2.5 Turbo Premium Plus AWD	37.3	+2.7 ft	Yes

What this cannot tell you

Curb-to-curb turning circle as listed.

Mirrors and overhang need more room.