Ahead of its release this fall, Ford invited us out for some time behind the wheel of the 2015 Mustang — it’s 50th anniversary update.

During the test drive, we spoke with Mustang Vehicle Engineering Manager Tom Barnes, who gave us a run down of the iconic muscle car’s updates — from the suspension to the body to the interior. He also discussed the all-new engines, three that each boast 300 horsepower and up, starting with the base 3.7-liter V6, churning out 30 horses, followed by the 2.3-liter EcoBoost that produces 310 hp, and finally, the 5.0-liter V8 that pushes 435 hp and 400 lb.-ft. torque.

New to the 2015 model is the fastback design. “Over the years, one design that hadn’t been brought back for a long time was a fastback,” Barnes told us.”What our design team thought was, ‘This looks cool. It makes the car look like its in motion. It’s something different.’ It really wasn’t trying to emulate that, but it was just building on something that had worked in the past.”

The 2015 Ford Mustang will be available in three trims, the standard, the EcoBoost, and the GT performance package. It starts at $23,600, and hits dealers this Fall.