View a selection of photos from Thursday’s Verizon IndyCar Series test at Sonoma Raceway where young drivers from the Mazda Road To Indy’s Indy Lights series got their first chance to sample Chevy- and Honda-powered Indy cars.

Andretti Autosport No. 25 Honda: Matthew Brabham

Chip Ganassi Racing No. 83 Chevy: Sean Rayhall

KVSH Racing No. 11 Chevy: Ryan Phinny

Rahal Letterman Lanigan Racing No. 15 Honda: Ed Jones

Schmidt Peterson Motorsports No. 5 Honda: Jack Harvey

Team Penske No. 1 Chevy: Spencer Pigot, No. 2 Chevy: Nelson Piquet Jr

Click on the thumbnails for larger images.

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