2026 BMW 3 Series dimensions: length, width, height, weight, cargo

Length

185.7in long

To scale. Dashed: median of 68 sedans (2026).

Dimensions by trim

2026 BMW 3 Series: outside dimensions by trim
Trim	Length	Width	With mirrors	Height	Wheelbase	Ground clearance	Turning circle
330i Sedan RWD, 330i NA Sedan RWD	185.7 in	71.9 in	71.9 in	56.8 in	112.5 in	5.4 in	37.4 ft
330i RWD	185.9 in	72.0 in	81.4 in	56.8 in	112.2 in	5.6 in	37.4 ft
330i xDrive Sedan, 330i NA xDrive Sedan	185.7 in	71.9 in	71.9 in	57.0 in	112.5 in	N/A	39.4 ft
330i xDrive AWD	185.9 in	72.0 in	81.4 in	57.0 in	112.2 in	5.4 in	39.4 ft
M340i Sedan RWD, M340i NA Sedan RWD	185.9 in	71.9 in	71.9 in	56.4 in	112.5 in	5.4 in	37.4 ft
M340i RWD	185.9 in	72.0 in	81.4 in	56.4 in	112.2 in	5.3 in	37.4 ft
M340i xDrive Sedan, M340i NA xDrive Sedan	185.9 in	71.9 in	71.9 in	56.7 in	112.5 in	N/A	39.4 ft
M340i xDrive AWD	185.9 in	72.0 in	81.4 in	56.7 in	112.2 in	5.1 in	39.4 ft

2026 BMW 3 Series: weight by trim
Trim	Curb weight
330i Sedan RWD, 330i NA Sedan RWD	3,494 lb to 3,825 lb
330i RWD, 330i xDrive Sedan, 330i xDrive AWD, 330i NA xDrive Sedan	3,752 lb
M340i Sedan RWD, M340i RWD, M340i NA Sedan RWD, M340i xDrive AWD	3,896 lb
M340i xDrive Sedan, M340i NA xDrive Sedan	3,494 lb to 4,008 lb

2026 BMW 3 Series: cargo and room by trim
Trim	Cargo, seats up	Cargo, max	Front legroom	Rear legroom	Front headroom	Rear headroom
330i Sedan RWD, 330i NA Sedan RWD, 330i xDrive Sedan, 330i NA xDrive Sedan, M340i Sedan RWD, M340i NA Sedan RWD, M340i xDrive Sedan, M340i NA xDrive Sedan	16.9 cu ft	16.9 cu ft	42.0 in	35.2 in	38.7 in	37.6 in
330i RWD, 330i xDrive AWD, M340i RWD, M340i xDrive AWD	16.9 cu ft	16.9 cu ft	42.0 in	35.2 in	38.7 in	37.6 in

330i Sedan RWD: curb weight not listed.

2026 BMW 3 Series in standard garages, centred
Garage	Fits	Spare length	Each side
Single, 12 x 22 ft	Yes	78.3 in	36.0 in
Single, 14 x 24 ft	Yes	102.3 in	48.0 in
Double, 20 x 20 ft	Yes	54.3 in	84.0 in
Double, 24 x 24 ft	Yes	102.3 in	108.0 in

2026 BMW 3 Series through a garage door
Door	Fits	Spare width	Above roof
8 ft wide, 7 ft tall	Yes	24.1 in	27.2 in
9 ft wide, 7 ft tall	Yes	36.1 in	27.2 in

Garage 12 x 22 ft. Door 9 x 7 ft.

Compact sedan.

Longer than 25% of 68 sedans (2026).

Median of 68 sedans (2026): 193.4 in long.

Cargo, seats up: 16.9 cu ft. More than 60% of 61 sedans (2026).

2026 BMW 3 Series and rivals by length
Model	Length	vs 3 Series	Cargo, seats up	vs 3 Series
Cadillac CT5	193.8 in	+8.1 in	11.9 cu ft	-5.0 cu ft
Audi A5	190.1 in	+4.4 in	22.6 cu ft	+5.7 cu ft
Mercedes-Benz C-Class	188.6 in	+2.9 in	11.6 cu ft	-5.3 cu ft
Lexus IS	185.8 in	about the same	10.8 cu ft	-6.1 cu ft
BMW 3 Series	185.7 in	-	16.9 cu ft	-
Genesis G70	184.4 in	-1.3 in	10.5 cu ft	-6.4 cu ft
Alfa Romeo Giulia	182.8 in	-2.9 in	N/A	N/A
Honda Civic Type R	180.9 in	-4.8 in	N/A	N/A
Audi RS 3	178.8 in	-6.9 in	N/A	N/A

330i Sedan RWD.

Outline is a body-style template scaled to these numbers.

Garage fit ignores shelves, steps and open doors.