The Vitz and the Belta share underpinnings with each other. However, while the Vitz was designed at Toyota's European design studios, the Belta was designed at Toyota's Japanese design studios – two completely different design projects for similar cars marketed toward different demographics. While the outgoing Vitz and Platz models look and feel virtually alike (the only things the cars do not share is the front clip, lights, rear doors, and bodies from behind the B-pillar), the new Vitz and Belta are much more subtly related. Sharing a similar but different dashboard, they do not employ the same components. The cars only share a frame and the drivetrain options. The sheetmetal is completely different. The Belta has increased in size over the previous generation, its interior volume larger than the 2001-2008 generation Toyota Corolla.
The Canadian version of the Yaris sedan, which is simply called the Yaris, is based on the American Yaris S with power and all-weather guard packages, but with standard 14inch wheels. Option packages comes in one of B, C, D, or Aero packages. The B adds 15inch all-season tires, chrome trim on the decklid, front and rear splash guards, colour-keyed door handles, blacked-out side window frames, keyless entry and power door locks; the C adds ABS, air conditioning, power windows, colour-keyed mirrors and power mirrors; the D adds both side and side-curtain airbags; the Aero adds aluminum alloy wheels, wheel locks, a rear spoiler, and a body kit. The Aero, however, has neither air conditioning nor side airbags. The Canadian model lacks the two-tone interior, pseudo-metallic trim on the door panels, and the new audio system controls (instead it uses an old design) found on the Japanese and American models.
The American Yaris is similar to the version sold in Canada, but differs in trim and equipment details. The CE, LE, and RS packages in the Canadian hatchback cars are replaced by the more modular convenience, power, and all-weather guard packages. The Yaris Sedan is also available as the Yaris S, which has standard convenience and appearance packages. The power package on the Yaris Sedan offers alloy wheels as an option. Curtain airbags are optional.