2026 Audi A3 dimensions: length, width, height, weight, cargo

Length

177.3in long

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

Dimensions by trim

2026 Audi A3: outside dimensions by trim
Trims	Length	Width	With mirrors	Height	Wheelbase	Turning circle
All 2 trims	177.3 in	71.5 in	78.1 in	56.2 in	103.7 in	36.5 ft

2026 Audi A3: weight by trim
Trims	Curb weight
All 2 trims	2,866 lb to 3,461 lb

2026 Audi A3: cargo and room by trim
Trims	Cargo, seats up	Cargo, max	Front legroom	Rear legroom	Front headroom	Rear headroom
All 2 trims	10.9 cu ft	8.3 cu ft	41.2 in	35.2 in	36.8 in	36.6 in

40 TFSI Premium AWD: curb weight not listed.

2026 Audi A3 in standard garages, centred
Garage	Fits	Spare length	Each side
Single, 12 x 22 ft	Yes	86.7 in	36.3 in
Single, 14 x 24 ft	Yes	110.7 in	48.3 in
Double, 20 x 20 ft	Yes	62.7 in	84.3 in
Double, 24 x 24 ft	Yes	110.7 in	108.3 in

2026 Audi A3 through a garage door
Door	Fits	Spare width	Above roof
8 ft wide, 7 ft tall	Yes	17.9 in	27.8 in
9 ft wide, 7 ft tall	Yes	29.9 in	27.8 in

Door width check uses the mirrors: 78.1 in.

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

Subcompact sedan.

Longer than 4% of 68 sedans (2026).

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

Cargo, seats up: 10.9 cu ft. More than 12% of 61 sedans (2026).

2026 Audi A3 and rivals by length
Model	Length	vs A3	Cargo, seats up	vs A3
Tesla Model 3	185.8 in	+8.5 in	21.0 cu ft	+10.1 cu ft
Hyundai Elantra N	185.4 in	+8.1 in	14.2 cu ft	+3.3 cu ft
Genesis G70	184.4 in	+7.1 in	10.5 cu ft	about the same
Alfa Romeo Giulia	182.8 in	+5.5 in	N/A	N/A
Audi A3	177.3 in	-	10.9 cu ft	-

40 TFSI Premium AWD.

Tall drivers: front legroom and headroom in the bottom 25% of sedans.

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

Garage fit ignores shelves, steps and open doors.