Toyota GA-B platform unveiled, likely to underpin new Yaris

James Marshall
September 6, 2019

Of course, the TNGA (that's Toyota New Global Architecture) platform is already employed in GA-C guise by the likes of the Prius, C-HR, Corolla and Lexus UX. The Japanese firm claims its focus is to "elevate the design and driving performance of small cars".

Like the GA-C and GA-K versions of TNGA, the GA-B platform is designer to "deliver a confident and natural drive", as Toyota explains.

Most significantly, though, the GA-B platform allows for variable wheelbase lengths, widths and heights, suggesting that Toyota will eventually expand its small vehicle line-up beyond the Yaris with different bodystyles. For starters, advanced joining technologies provide high levels of underbody rigidity, while keeping weight and cost in check.

Yaris Dual-tone
Toyota Yaris now available in G-Optional variant, priced at Rs 9.63 lakhs

MacPherson strut suspension up front and either a torsion beam or multi-link setup at the rear is how the GA-B was engineered, promising "smart packaging and design freedom" according to the vehicle type and character.

The automaker furthermore says the GA-B platform positions the driver's seat low and back towards the centre of the vehicle, resulting in an "engaging driving position" with a steering wheel that can be set close to the driver at an "optimised" angle. Toyota even makes a case about how the steering wheel is positioned and what angle, and that's a bit too much information given the tilt-and-telescoping functions of most steering columns out there. The TNGA philosophy uses standardised components in out-of-sight areas, simplifying the vehicle design process without creating look-alike cars. Positioning the wheels at the corners of the platform and very short overhangs add to the visual appeal this generates.

Other reports by Click Lancashire

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