| Model Year | 2020 | 2024 | |
| Model | Cadillac XT4 | Cadillac Lyriq | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 2,779 mm | 3,094 mm | -1 mm |
| Length | 4,600 mm | 4,996 mm | 0 mm |
| Width | 1,948 mm | 1,976 mm | 0 mm |
| Height | 1,628 mm | 1,623 mm | 0 mm |
| Curb Weight | 1,660 kg | 2,521 kg | -1 kg |
| Fuel Capacity | 60 L | 0 L | 60 L |
| Headroom, Row 1 | 1,001 mm | 980 mm | -979 mm |
| Shoulder Room, Row 1 | 1,448 mm | 1,496 mm | 0 mm |
| Hip Room, Row 1 | 1,384 mm | 1,435 mm | 0 mm |
| Legroom, Row 1 | 1,026 mm | 1,087 mm | 0 mm |
| Headroom, Row 2 | 973 mm | 958 mm | 15 mm |
| Shoulder Room, Row 2 | 1,400 mm | 1,488 mm | 0 mm |
| Hip Room, Row 2 | 1,265 mm | 1,372 mm | 0 mm |
| Legroom, Row 2 | 1,003 mm | 1,006 mm | 0 mm |
| Total Legroom | 2,029 mm (over 2 rows) | 2,093 mm (over 2 rows) | 0 mm |
| Cargo Volume, Minimum | 637 L | 793 L | -156 L |
| Cargo Volume, Maximum | 1,385 L | 1,722 L | 0 L |
None of our members have yet commented on the seat room and comfort of the 2020 Cadillac XT4.
None of our members have yet commented on the seat room and comfort of the 2024 Cadillac Lyriq.