Powell, 21, is in line to take part in free practice at the season’s final race after her grandfather chipped in to a crowdfunding scheme to keep the stricken outfit competing.
The former Formula Three driver currently races in Formula Renault Asia, where cars typically have 200 brake horsepower – three times less than in Formula One.
“The horsepower and the power of the F1 car is incredible,” she said. “The power difference would be quite a lot also. It’s a bigger car and a bigger beast.”
Caterham driver Marcus Ericsson, meanwhile, yesterday quit the Oxfordshire outfit. The Swede has finished 11 of 16 races in his maiden F1 campaign.