The TX1 retained the distinctive black cab design, maintaining the recognizable appearance that had become synonymous with London taxis. It featured a more modern and aerodynamic shape compared to the previous FX4 models. The TX1 was powered by a diesel engine, emphasizing fuel efficiency and reduced emissions in response to evolving environmental standards.

The TX1 continued the tradition of being wheelchair-accessible, with features designed to accommodate passengers with mobility challenges. The interior of the TX1 was designed to provide increased comfort for both drivers and passengers, with improved seating, air conditioning, and other amenities. Built with durability in mind, the TX1 aimed to withstand the rigors of city driving and maintain reliability over time.