| Nissan Diesel UA | |
| Production: | 1973–2005 |
| Successor: | Nissan Diesel Space Runner RA |
| Class: | Complete bus Bus chassis |
| Body Style: | Single-decker bus |
| Doors: | 1 or 2 doors |
| Floortype: | Low entry Low floor Step entrance |
| Engine: | RE8, RF8, PD6, PE6, PF6, PP6, MD92 |
| Transmission: | 5-speed manual 6-speed manual ZF Ecomat 5-speed automatic |
| Length: | 11.3 metres or 12.0 metres |
| Width: | 2.5 metres |
| Height: | 3.0 metres |
| Wheelbase: | 4.8 metres, 5.3 metres, 5.8 metres, 6.5 metres |
The Nissan Diesel UA (kana:日産ディーゼル・UA) was a full-size single-decker bus produced by the Japanese manufacturer Nissan Diesel for 32 years of production from 1973 until 2005. It can be built as either a bus chassis or an integral bus. Competitors of the UA include the Isuzu Cubic, Mitsubishi Fuso Aero Star and the Hino Blue Ribbon.
One-step and Two-step
Non-step
The Nissan Diesel UA Non-step is considered as one of the low floor variants, sometimes in other parts of Japan, it is known as a low entry variant. Other low floor models include the Space Runner RA and the Space Runner RM.
Other Nissan Diesel low-floor (non-step) bus models sold in Japan: