The Doctor's TARDIS was capable of tracking number plates. (TV: Resolution)
The number plates of two police motorbikes were 532 PPL and 452 YMF. In the Gatwick car park, several cars' number plates were visible, including 937 DFS, 768 WEF, 378 YXS, a grey car with the 378 YMS number plate, a green car with the 378 YMS number plate, 378 LAF. (TV: The Faceless Ones)
A black London taxi cab had the number plate P854 SJD. (TV: Rose)
The Whomobile had the number plate WVO 2M. (TV: Planet of the Spiders)
Melanie Bush's moped had the number plate WT75 QWK. (TV: Empire of Death [+]Russell T Davies, Doctor Who series 14 (BBC One and Disney+, 2024).)