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The All New Toyota Yaris HSD

The All New Toyota Yaris HSD

The Toyota Yaris HSD  (Hybrid Synergy Drive)  is the third Toyota hybrid to be introduced into the South African market following the successful introduction of the Toyota Prius and the Toyota Auris Hybrid. The Yaris HSD will be built by Toyota Motor Manufacturing France (TMMF).

According to Toyota, the introduction of the Toyota Yaris HSD is a first for the B segment, in that the full hybrid technology offers Yaris HSD customers outstanding value for money through an unparalleled combination of competitive price, low maintenance and running costs, and Toyota’s traditional high residual values. This according to Toyota is especially true when comparing the Yaris Hybrid to other diesel powered vehicles in the B segment.

The effective packaging of the HSD propulsion system on the Toyota Yaris allows for an extremely efficient use of space, without detriment to performance, passenger accommodation and load space.

The downsized full hybrid system combines a 1.5 litre 16-valve DOHC Atkinson Cycle petrol engine unit with a lighter, more compact electric motor, transaxle, inverter and battery pack. The total system weight is 201 kg, 20% (42 kg) less than that of an Auris Hybrid.

Combining the power of a 55 kW petrol engine and battery powering the electrical motor, the Yaris HSD’s highly efficient powertrain generates a maximum 74 kW system output. It offers the best balance of performance and fuel consumption/CO2 emissions in the B segment.

The Yaris HSD will accelerate seamlessly from 0-100 km/h in 11.8 seconds, and on to a maximum speed of 165 km/h. Conversely, it delivers an average fuel consumption of just 3.8 l/100 km and segment-best CO2 emissions of only 88 g/km.

Toyota claims the exceptional fuel efficiency of the Toyota Yaris HSD provides a driving range potential of close to 1,000 km on a single tank of fuel.

Other than improvements on the powertrain system, the battery pack has also been downsized. The battery pack features a 144V nickel-metal hydride battery with a more efficient vehicle electric power management system. The number of cells has been reduced from the 168 of the current, Auris Hybrid battery to only 120, composed of 20 modules connected in series. This effects a decrease in volume of 20% and a weight saving of 11 kg, allowing for the installation of the new battery entirely under the rear passenger seats, with no intrusion into the cargo load space.

The Yaris HSD differentiates itself from it Yaris siblings by means of an exclusive, aerodynamically-efficient exterior design which instantly identifies it as the flagship of the Yaris model range.  The main exterior styling differences being the revised front bumper design sized to optimise powertrain cooling, the projector-type headlamp unit which features standard chrome-plated ‘eyebrows’ lipped with an LED ‘lightguide’, and LED Daytime Running Lights (DRL), whilst at the rear the LED-type high mounted stop light, and clear lens combination lights incorporate a LED tail and stop lamp signature unique to the new Yaris HSD.

A number of other change have also been incorporated to help bring down the drag coefficient to 0.286 compared to a normal Toyota Yaris which has a drag coefficient of 0.287. We have to say that it seems like an awful lot of trouble to go through to reduce the drag coefficient by 0.001.

The Yaris HSD is available in two trim grades – mid-spec XS and high-grade XR – both of which feature a generous list of standard kit. The only external differentiators between the two being the inclusion of front fog lights, privacy glass for the rear side windows and a rear spoiler for the flagship XR model.

 On the safety front, the 5-star EuroNCAP rated Yaris gets ABS (with EBD and BAS) as well as Vehicle Stability Control (VSC). In XS guise, the Yaris comes standard with four airbags (driver, passenger and side airbag system) while the XR grade gets a total of seven thanks to the additional curtain shield and driver knee airbags

In the interior, the Toyota Yaris HSD benefits from a driver-focused cockpit with hybrid-exclusive details and trim finishes. Silver ring-trimmed, three dimensional instrument dials incorporate a hybrid system indicator and feature a combination of white and blue backlighting. The centre console-mounted “Toyota Touch” system incorporates a hybrid energy monitor illuminated in blue as well as the dual zone air-conditioning. The Toyota Touch system incorporates a Hybrid Energy Monitor which displays the real-time energy flow within the Hybrid Synergy Drive system. Vehicle information displays include remaining fuel range, instant fuel consumption, average fuel consumption per minute over the last 15 minutes, time elapsed since last engine start as well as a record of past consumption results.

Other features on the Toyota Yaris HSD include; Electronic Brakeforce distribution (EBD) and Brake Assist, Traction Control (TRC) and Vehicle Stability Control (VSC), as well as an Electronically Controlled Braking (ECB) system which coordinates the control of both hydraulic and regenerative braking. Coordinated control of the hydraulic and regenerative braking systems maximises the regeneration of energy by the electric motor during deceleration and under braking.

The recommended retail price for the Yaris HSD XS is R223 800 (incl. VAT) whilst that of the Yaris HSD VR is R245 900 (incl. VAT).

View the video below on the Yaris Hybrid powertain.

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