Toyota Yaris HSD

Date:30 September 2012 Tags:, ,

Honey, I shrunk the hybrid

The marketplace success of the budgetfriendly Etios may have taken some of the shine off Toyota’s Yaris subcompact – perceptions of problematic pricing aside – but there’s no question that the hybrid version will help shake things up. The Yaris HSD (for hybrid synergy drive) is the world’s smallest and, at 88 g/km, SA’s lowest carbon emitter.

We were familiar with hybrids’ economy, but we weren’t prepared for just how economical the Yaris version is. Its quoted consumption is 3,8 litres/100 km; on our 120 km test route, under some pretty intense scrutineering, the HSD averaged under 3 litres/100 km. That’s astonishing.

On another note, Toyota reckons it has minimised the annoying windup high-revving effect of a typical CVT. The car’s new control system, optimised at between 70 and 90 per cent of throttle opening, limits excessive revs under acceleration. Look, it’s not perfect, but we’ll concede that this CVT now sounds less like a Piper Cub on take-off.

At R233 800, the Yaris HSD is up against some formidable rivals. Turbodiesel alternatives offer an arguably competitive and more practical (in South Africa, anyway) option. Still, the Yaris’s novelty value, its green cred, long features list and its amazing economy could prove persuasive.

Sustainability by the numbers

  • 1 000 Yarises produced daily at Toyota Motor Manufacturing France (TMMF)
  • 25 percentage of hybrids TMMF expects to produce in 2012.
  • 100 percentage of waste recycled or recovered at TMMF
  • 60 Percentage of the plant’s total water needs covered by either rainwater or recycled water
  • 27 Percentage savings per car in energy over the past 10 years
  • 400 000 reusable plastic boxes (scheduled lifespan 10 years) used for delivering all car components from suppliers.

 

Aero advantage
A body shape like the Yaris’s, short and squat, isn’t ideal for efficient aerodynamics. Getting the most out of the HSD is an operation that stretches from nose to taillights. Up front, aero corners, bonnet, bumper and grille smooth the airflow over and under the car as well as into the engine compartment. The A pillar, door mirrors, roofline, rear spoiler, rear bumper corners, rear combination lights and wheels are all optimised for aero efficiency on the sides and top. A front spoiler, engine undercover, and front, centre and rear deflectors smooth out flow under the car. A rear undercover incorporates vertical fins, creating a laminar flow effect (airflow in smooth, unscrambled layers). The result: what Toyota says is a class-leading drag coefficient of 0,286.

Wallpapers> New on the block (September 2012 issue)

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