How much more spacious is the DS 4 E-TENSE compared to the DS 9 E-TENSE?

I have a website that I use when checking specs on cars that outlines sizes for models. I will post the size specs below for each with the links, hope this helps!

DS 4 2022 E-Tense 225 : 

Num. of Doors : 5
Wheelbase : 105.31 inches / 267.5 cm
Length : 173.23 inches / 440.0 cm
Width : 73.46 inches / 186.6 cm
Height : 57.87 inches / 147.0 cm
Front Axle : 62.99 inches / 160.0 cm
Rear Axle : 63.19 inches / 160.5 cm
Max. Towing Capacity Weight : 3086 lbs / 1400 Kg
Num. of Seats : 5
Front Tyres - Rims dimensions : 215/65 R17
Rear Tyres - Rims dimensions : 215/65 R17
Turning radius : 35.4 feet / 10.8 m
Curb Weight : 3589 lbs / 1628 Kg
Weight-Power Output Ratio : 7.2 kg/hp
Trunk / Boot capacity : - cu-ft / 390-1190 L

DS DS 9 E-Tense :

Body : Sedan
Num. of Doors : 4
Wheelbase : 113.98 inches / 289.5 cm
Length : 194.25 inches / 493.4 cm
Width : 76.06 inches / 193.2 cm
Height : 57.48 inches / 146.0 cm
Front Axle : 62.36 inches / 158.4 cm
Rear Axle : 61.65 inches / 156.6 cm
Max. Towing Capacity Weight : 2712 lbs / 1230 Kg
Num. of Seats : 5
Front Tyres - Rims dimensions : 235/40 R20
Rear Tyres - Rims dimensions : 235/40 R20
Turning radius : 34.4 feet / 10.5 m
Curb Weight : 4154 lbs / 1884 Kg
Weight-Power Output Ratio : 5.2 kg/hp
Trunk / Boot capacity : 18 cu-ft / 510 L

More spec information:

https://www.ultimatespecs.com/car-specs/DS/127641/DS-DS-4-2022-E-Tense-225.html

https://www.ultimatespecs.com/car-specs/DS/128238/DS-DS-9-E-Tense-4x4-360.html