Mass Effect died when they took out the Mako as far as I'm concerned.
ME1: "Hey, we've got this great new concept. You'll be able to land on these planets, drive around, get out of the vehicle and take on missions. It will be awesome and immersive."
ME2: "Guys let's broaden the appeal here. Let's create more of a corridor shooter. People like shooting stuff right? Who cares about exploration and feeling like your in a real world. Let's blow off some heads, the kids will love it!"
Your loss.