| Model Year | 2018 | 2007 | |
| Model | Lexus IS | Lexus RX | |
| Engine | 3.5L V6 DOHC-4v 190 kW@6400 320 Nm@2000 |
3.5L V6 DOHC-4v 201 kW@6200 340 Nm@4700 |
|
| Transmission | 6-speed shiftable automatic | 5-speed automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 2,799 mm | 2,715 mm | 0 mm |
| Length | 4,681 mm | 4,729 mm | 0 mm |
| Width | 1,811 mm | 1,844 mm | 0 mm |
| Height | 1,430 mm | 1,679 mm | 0 mm |
| Curb Weight | 1,695 kg | 1,855 kg | 0 kg |
| Fuel Capacity | 66 L | 73 L | -7 L |
| Headroom, Row 1 | 970 mm | 1,001 mm | 969 mm |
| Shoulder Room, Row 1 | 1,420 mm | 1,471 mm | 0 mm |
| Hip Room, Row 1 | 1,379 mm | 1,412 mm | 0 mm |
| Legroom, Row 1 | 1,138 mm | 1,080 mm | 0 mm |
| Headroom, Row 2 | 937 mm | 980 mm | -43 mm |
| Shoulder Room, Row 2 | 1,356 mm | 1,450 mm | 0 mm |
| Hip Room, Row 2 | 1,372 mm | 1,400 mm | 0 mm |
| Legroom, Row 2 | 818 mm | 925 mm | -107 mm |
| Total Legroom | 1,956 mm (over 2 rows) | 2,004 mm (over 2 rows) | -1 mm |
| Cargo Volume, Minimum | 306 L | 1,085 L | 305 L |
| Cargo Volume, Maximum | 10.8 | 2,398 L | 8.8 |
None of our members have yet commented on the seat room and comfort of the 2018 Lexus IS.
None of our members have yet commented on the seat room and comfort of the 2007 Lexus RX.