His 50-year-old father also holds the record for F1 wins with 91.
"The feeling I had going out and the first time on the throttle. this thing has so much power", he added.
"It seemed to me you could brake later and later and the auto would have made the turn anyway", the German added.
Schumacher's fastest time was 2.11 seconds slower than Ferrari driver Charles Leclerc's pole position lap at the grand prix on Saturday.
Mick Schumacher has finally admitted to looking forward to his F1 test debut this week.
Schumacher was the only non-regular driver to undertake testing on Tuesday.
Schumacher was 0.597secs behind Verstappen's fastest time, although the Dutchman was using tyres two grades harder. McLaren, Haas and Williams all split their running between two drivers, while Toro Rosso also ran a second vehicle as part of Pirelli's tyre testing.
"With full power and everything it was just awesome, a complete feeling in the vehicle, it was just fantastic". "I would like to say thank you Ferrari for this incredible opportunity".
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His legendary dad made the team great as he won five world championships with them back-to-back from 2000 to 2004.
Unfortunately, for Schumacher the desert circuit was hit by a rare downpour just after midday, resulting in a four-hour delay as dust and rain water combined to make for treacherous track conditions.
The Ferrari junior will switch garages on Wednesday for his second day of testing, moving over to sister outfit Alfa Romeo where he'll put another day of F1 mileage under his belt.
Michael Schumacher was severely injured in a skiing accident in 2013 from which he is still in recovery.
"In my case obviously it's more a test for myself to go back to this driving style, to understand a little bit the vehicle", Alonso said. He finished the session second fastest ahead of McLaren's Lando Norris in third, with Romain Grosjean fourth fastest in the Haas.
Alonso retired from F1 in 2018 but remained as an ambassador and adviser to McLaren and was conducting the Pirelli tyre test in this capacity.
"This will be the next step in the right direction", he said. "I think the auto has more grip, is less draggy on the straights, and the engine is a bigger step better as well".
The 20-year-old has enjoyed a rapid rise through the lower classes of motorsport, and won the Formula 3 European Championship last year.