The current Lexus RX is 4,890 mm long, 1,920 mm wide and 1,695 mm tall, on a 2,850 mm wheelbase. It has grown 31 cm longer since the 2000 RX.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2000–2003 | 4,580 | 1,815 | 1,660 | 2,615 | 489 | 12.2 |
| 2003–2009 | 4,746 | 1,845 | 1,674 | 2,715 | 439 | 12.2 |
| 2009–2015 | 4,770 | 1,885 | 1,685 | 2,740 | 496 | 11.4 |
| 2015–2023 | 4,934 | 1,895 | 1,685 | 2,790 | 342 | 11.8 |
| 2023–presentCurrent | 4,890 | 1,920 | 1,695 | 2,850 | — | 12.6 |
The Lexus RX offers 980 mm of rear legroom and 910 mm of rear headroom, with 1,140 mm of legroom and 950 mm of headroom up front. Rear shoulder room measures 1,540 mm across.
| Front | Rear | |
|---|---|---|
| Legroom | 1,140 mm | 980 mm |
| Headroom | 950 mm | 910 mm |
| Shoulder room | 1,590 mm | 1,540 mm |
Interior figures are the roomiest measurement (seat fully back), taken as the median across the current generation’s variants; individual trims vary.
Exterior figures are manufacturer specifications for the RX, averaged per generation across its variants and shown for the most common body style. Generations with the same size are merged. Boot capacity is the seats-up figure where the manufacturer quotes one.