2026 Cadillac CT4 dimensions: length, width, height, weight, cargo

Length

187.2in long

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

Dimensions by trim

2026 Cadillac CT4: outside dimensions by trim
Trim	Length	Width	With mirrors	Height	Wheelbase	Ground clearance	Turning circle
Luxury RWD, Premium Luxury RWD, Sport RWD, V V-Series AWD, Luxury AWD, Premium Luxury AWD, Sport AWD	187.2 in	71.7 in	77.7 in	56.0 in	109.0 in	3.7 in	37.1 ft
4dr Sdn Luxury RWD, 4dr Sdn Premium Luxury RWD, 4dr Sdn Sport RWD	187.2 in	71.4 in	71.4 in	56.0 in	109.0 in	N/A	37.1 ft
CT4-V 4dr Sdn RWD	187.2 in	71.4 in	71.4 in	56.0 in	109.0 in	N/A	37.1 ft
V-Series RWD	187.4 in	71.7 in	71.4 in	55.9 in	109.4 in	N/A	37.1 ft
V-Series AWD	187.4 in	71.7 in	71.4 in	55.9 in	109.4 in	3.7 in	37.1 ft
V V-Series Blackwing RWD	187.6 in	71.7 in	77.7 in	56.0 in	109.0 in	4.6 in	37.1 ft

2026 Cadillac CT4: weight by trim
Trim	Curb weight
Luxury RWD, Luxury AWD	3,578 lb
4dr Sdn Luxury RWD	3,422 lb
Premium Luxury RWD, CT4-V 4dr Sdn RWD, Premium Luxury AWD	3,616 lb
4dr Sdn Premium Luxury RWD	3,455 lb
4dr Sdn Sport RWD	3,468 lb
Sport RWD, Sport AWD	3,622 lb
V-Series RWD	3,597 lb
V V-Series AWD	3,761 lb
V-Series AWD	3,619 lb
V V-Series Blackwing RWD	3,860 lb

2026 Cadillac CT4: cargo and room by trim
Trim	Cargo, seats up	Cargo, max	Passenger volume	Front legroom	Rear legroom	Front headroom	Rear headroom
Luxury RWD, Premium Luxury RWD, Sport RWD, V V-Series AWD, V V-Series Blackwing RWD, Luxury AWD, Premium Luxury AWD, Sport AWD	10.7 cu ft	10.7 cu ft	90.0 cu ft	42.4 in	33.4 in	38.3 in	36.5 in
4dr Sdn Luxury RWD, 4dr Sdn Premium Luxury RWD, 4dr Sdn Sport RWD, CT4-V 4dr Sdn RWD	10.7 cu ft	10.7 cu ft	90.0 cu ft	42.4 in	33.4 in	38.3 in	36.5 in
V-Series RWD, V-Series AWD	10.7 cu ft	10.7 cu ft	90.0 cu ft	42.4 in	33.4 in	38.3 in	36.5 in

Luxury RWD. All trims: 3,422 lb to 3,860 lb.

Heavier than 34% of 60 sedans (2026).

2026 Cadillac CT4 in standard garages, centred
Garage	Fits	Spare length	Each side
Single, 12 x 22 ft	Yes	76.8 in	36.1 in
Single, 14 x 24 ft	Yes	100.8 in	48.1 in
Double, 20 x 20 ft	Yes	52.8 in	84.2 in
Double, 24 x 24 ft	Yes	100.8 in	108.2 in

2026 Cadillac CT4 through a garage door
Door	Fits	Spare width	Above roof
8 ft wide, 7 ft tall	Yes	18.3 in	28.0 in
9 ft wide, 7 ft tall	Yes	30.3 in	28.0 in

Door width check uses the mirrors: 77.7 in.

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

Compact sedan.

Longer than 34% of 68 sedans (2026).

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

Cargo, seats up: 10.7 cu ft. More than 8% of 61 sedans (2026).

2026 Cadillac CT4 and rivals by length
Model	Length	vs CT4	Cargo, seats up	vs CT4
Audi S5	190.3 in	+3.1 in	23.0 cu ft	+12.3 cu ft
Audi A5	190.1 in	+2.9 in	22.6 cu ft	+11.9 cu ft
BMW M3	189.1 in	+1.9 in	16.9 cu ft	+6.2 cu ft
Mercedes-Benz C-Class	188.6 in	+1.4 in	11.6 cu ft	+0.9 cu ft
Cadillac CT4	187.2 in	-	10.7 cu ft	-
Kia EV4	186.2 in	-1.0 in	24.4 cu ft	+13.7 cu ft
Tesla Model 3	185.8 in	-1.4 in	21.0 cu ft	+10.3 cu ft
Volkswagen Jetta GLI	185.8 in	-1.4 in	N/A	N/A
Hyundai Elantra N	185.4 in	-1.8 in	14.2 cu ft	+3.5 cu ft

Luxury RWD.

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

Garage fit ignores shelves, steps and open doors.