Google Nexus 7 (2013)
Of course Google's Nexus 7 has to be near the top of the list. It offers nearly everything the more expensive competition does, but at a lower price point. It might be starting to show its age, but it already runs Android 6.0.1 Marshmallow, and performs great to this day.
Read: Nexus 7 Review
While Google's Nexus 9 tablet makes our list too, it cost significantly more than previous Nexus tablets, which means the Nexus 7 (2013) is still one of the best tablets available today. You'll only get a 7-inch screen, but it offers a full HD 1080p resolution and plenty of power to do just about anything.