New Hilux – what looks new but isn’t
The new Hilux might use old engines and gearboxes, but the design is definitely all-new, or is it? Will Hilux buyers be happy with another decade of (very) average rear seat comfort because of a legacy platform?
But often all that exterior design, hides aged engineering underneath. Toyota’s new Hilux looks more futuristic than many expected. The aerodynamic front end is a smart design, because bakkies are notoriously poor aerodynamically.
Looks can be very deceiving. And automotive designers are experts at making vehicles look bigger, smaller, taller, thinner or wider. Using the ratio of metal to glass, body panel proportions, and vehicle stance to influence perception.
Yet all the clever design and sneaky imitation features, like the Hilux’s version of the Ranger’s box step, doesn’t answer the driving questions about ths new bakkie. Which is how much investment Toyota has really made in the frame and cabin space?
Hilux chassis is tough enough
The 9th-generation Hilux will be built on a frame that is anything but new.
Toyota supporters will argue that Hilux’s proven durability, especially in farm applications and across millions of kilometres of severe dirt-road use, proves that its steel ladder frame doesn’t need an upgrade. And they might be right.
Take the Land Cruiser 70-Series example. These Toyotas have effectively been using the same steel ladder frame design for nearly four decades and enjoy universal customer approval. Despite being very uncomfortable for passengers.
But the issue is that Hilux’s IVM platform dates back to the late 2000s – and other bakkies have evolved a lot since then, with newer platforms. Toyota did comprehensively reengineer the chassis from the 7th to the 8th generation Hilux in 2015. Between the 8th and 9th-generation? Not so much…
Digital design tools and available automotive-grade steels are continuously evolving. And not using all that technological advancement, by creating an entirely new frame for Hilux, is a thing. Especially with so many newer rivals in the market.
Toyota has mentioned that the new Hilux, built on the legacy IMV platform, does feature an upgraded spot-welding profile. But that’s now quite the same as a completely new design, which can optimise strength, reduce weight, and allow for a bigger, better, cab-design, with more space and comfort. Which is what most double cab bakkie customers really want.
The TNGA-F chassis question
There’s a lot of disappointment that Toyota didn’t use a shortened version of the TNGA-F platform for the new Hilux. Consolidating similarly sized vehicles onto a single platform can create significant economies of scale, enabling some terrific engineering innovation. And that’s exactly what Toyota has been doing with its severe-duty off-road SUVs and bakkies over the last few years.
The company’s engineers have invested heavily in R&D into the TNGA-F platform, an overengineered ladder-frame platform familiar to South Africans in the Land Cruiser 300 and Prado. Imagine the product potential of Prado-grade of 4×4 chassis durability, toughness and cabin comfort in a new Hilux?
Suspension mounting points and greater off road wheel travel are two benefits of using the TNGA-F platform. And considering how popular Hilux is for South Africans who actually use their bakkies in an all-terrain role, or as a platform for overlanding, it’s curious that Toyota didn’t want to transition Hilux to the TNGA-F platform.
Rear seat legroom?
The bakkie as a family vehicle, and even a luxury family vehicle, is something few product planners predicted 15 years ago. But it’s become a reality, creating new customer demands for double cab designers and engineers.
Body-on-frame vehicles have poor cabin comfort. Especially double cab bakkies, because there’s very little floor depth to work with to create legroom and seating angle comfort for rear passengers. It’s improving, but very slightly.
Toyota says its Hilux customers are bothered by cabin space, but the truth is that all its rivals now effectively offer better cabin comfort. And some Hilux rivals offer much better rear passenger legroom and seating comfort. Which matters a lot when you are using any double cab as a family vehicle.
How IMV limits Hilux cab comfort
Look beyond that aerodynamic new front-end, and you’ll notice that new Hilux has the same core cab structure and panels.
The roof and doors haven’t really changed. And that’s limiting. Because it means the cabin packaging inside can’t have changed much. That means the same cramped rear with that uncomfortable seating position that has made Hilux one of the less pleasant spaces for passengers on long journeys across South Africa, especially if seated behind a tall driver.
This is where the argument of using the TNGA-F platform re-enters the debate. New Hilux’s cabin packaging is limited, because a body-on-frame vehicle’s cabin comfort is as much influenced by the cab, as the steel frame it’s mounted onto. And that legacy Hilux IMV platform has limited what Hilux cabin architects and ergonomic specialists can do to make it comfier, because a redesigned, roomier, cab structure would never fit on the carry-over steel ladder frame.
If Toyota chose to use the newer, better TNGA-F platform, Hilux could have had an amazingly comfortable rear passenger seating experience, like the American-market Tacoma. Which is built on the TNGA-F platform.
Tacoma has all those Prado-type benefits regarding off road ability and cabin comfort, because it uses the best body-on-frame Toyota makes. And has invested the most money in.
Strangely, considering Hilux’s global product profile and importance to Toyota’s profitability, it’s peculiar that the engineering team decided not to use the newer, better, TNGA-F platform. Especially in a market where double cab customers are demaning more cabin comfort, instead of pure commercial vehicle bakkie usability.
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