Alonso drove 222 mph in his IndyCar rookie test.
And it is very orange.
Button will be the most experienced driver in the race as he makes his 306th start.
Fernando Alonso's accident will be a good test case for fully understanding any downsides to the introduction of the Halo in Formula 1, say leading figures.
Fernando Alonso clattered into the back of Esteban Gutierrez's Haas as the pair squabbled over 19th place, sending the McLaren into a horrifying rollover.
One of the perks of driving for a major manufacturer like Honda is the chance to sample varied racing machinery. And that's just what Fernando Alonso did at Motegi this past weekend.
The 2015 Japanese Grand Prix had more passing in the pits than on track, but Nico Hülkenberg and Max Verstappen did put on two more displays of carving through the field. Meanwhile, the cameras did their best to avoid Mercedes-AMG Petronas.
Saddled once again with an uncompetitive car and suffocating regulations, Fernando Alonso is growing increasingly tempted to leave Formula One behind for a new challenge at Le Mans.
He may not be doing too well so far this season, but that won't stop Fernando Alonso from making more than any other driver on this year's Formula One grid.
Fernando Alonso gets behind the wheel of the McLaren-Honda MP4/4 with which Ayrton Senna won the 1988 World Championship in this promo clip for TAG Heuer.
Fernando Alonso has driven for some of the best teams in Formula One, but once he's done with his current deal at McLaren, he'll be done with the sport for good.
McLaren reports that Fernando Alonso is on the road to recovery from his big crash in Barcelona and is back at home to recuperate, but he won't be back up and running in time for the next test session.
As Fernando Alonso recovers in hospital, McLaren tries to sort out what went wrong that resulted in his crash at the F1 test session in Barcelona on Sunday. One thing it's sure of, though, is that he wasn't knocked out by an electrical fault.
Two-time Formula One world champion Fernando Alonso was medivac'd by helicopter to a nearby hospital after crashing his McLaren-Honda during a test session in Barcelona, but was reportedly conscious and talking throughout.
With three Formula One World Championships between them, you could safely say that Fernando Alonso and Jenson Button are used to going fast. But the pair of McLaren drivers slowed things down a bit to try out the Honda Uni-Cub electric mobility scooter in this brief video clip.