It is on their Twitter.
Here is the clue:
I delivered my team’s first manufacturer title.
An icon across Desert, Forest and Mountain.
We’re a rare breed, 500 strong!
Cheap, stripped out and fun; but only in white.
As bright as a neutron star.
Horsepower of heavenly stock.
Celica ST185 and Peugeot 205 Rallye
2020 GT500 maybe?
Nissan Pulsar?