As done by Hyundai (video here: [ Ссылка ] ), Toyota also took advantage of the recent Monza Rally Show to clock up some miles and further develop its GR Yaris Rally1 without the hybrid system ahead of next year's World Rally Championship.

The Monza Rally Show was finally back in 2024 after a 5-year break. This edition was promoted by Pirelli in collaboration with WRC, the FIA ​​and Monza Circuit in order to celebrate the brand and the end of their deal as a sole tire supplier for the World Rally Championship. For this reason, the three top teams of the series were invited to participate with their Rally1 cars and some of their factory drivers.
According to reports prior to the event, all three teams would have brought the 2024 versions of their cars as, following a recent announcement, the premier class will be deprived of the electric system as early as next season. The Monza Rally Show would also have been the right occasion to say goodbye to the Rally1 Hybrid machines.

Small digression as a reminder. The Rally1 technical regulations were introduced in 2022. The main feature of this rally class was the addition of a electric power system, linked to the 1.6-liter turbocharged 4-cylinder engine in use on the previous WRC Plus cars and able to capture energy during braking, storing it in a 3.9 kWh battery. The recovered energy was then deployed via a 100kW (134 hp) electric motor which, combined with the 380 horsepower of the combustion engine, allowed the car to have more than 500 hp available during acceleration. Unlike the push-to-pass systems of other motorsport championships with hybrid engines, drivers in WRC instead deploy the electrical energy through an automatic system dictated by pre-programmed engine maps.

Now that this 87 kilograms system will be abandoned next year, the Rally1 cars will be powered by the sole 1.6-liter unit and their minimum weight will be lowered from 1,260 to 1,180 kilograms. The size of the air restrictor will be reduced from 36mm to 35mm to maintain an equivalent power-to-weight ratio between the 2024 and 2025 vehicles.

Given the short period of time between the announcement of these changes and the first round of the 2025 championship, the cars will remain almost unchanged from an aesthetic point of view. Furthermore manufacturers have very few so-called 'jokers' available to use for the homologation of new aerodynamic parts or modifications to be made in the 'regulatory life' of the car. For this reasons we will see very few changes early next year, with the possible introduction of some 'Evo' versions perhaps mid-season.

The main differences of this changes will be noticed in the rear area of ​​the cars, starting from the bumper which will no longer have any vents (and cooling fans) to allow the excess heat generated by the hybrid system to escape. Some other changes could be linked to the air intakes located near the rear windows, used to bring fresh air to the hybrid system. The green/red LEDs which were used to indicate whether the car was safe to be touched by the public or the stewards, in the event of a breakdown or accident, will also disappear.

All these last considerations made me notice that both Toyota and Hyundai weren't the exact cars that took part in the WRC Rally Japan last month. As you can see the Yaris has the rear bumper vent closed with a long carbon fiber cover, no mandatory green safety LED lights turned on and a partially closed side intakes (Toyota used these to channel fresh air to both the rear brakes and the hybrid system so they can't cover them completely or they won't have air to cool down the rear brakes).

Watch Jari-Matti Latvala, Sami Pajari and Sébastien Ogier in action during this special rally event, held both on the GP layout and the old oval circuit, as well as in some paved roads inside the track!

#ToyotaGRYarisRally1 #GRYarisRally1 #WRC
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Camcorder: Canon Legria HF G30 + Canon DM-100 Microphone, Canon Legria GX10 + Zoom H5, Sony FDR AX700 + Zoom H5
Event: Monza Rally Show 2024
Where: Autodromo Nazionale Monza, Italy

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