The go-to Sonicare for most people — it has a pressure sensor, two-minute timer with quadrant pacing, and solid cleaning power. It's the Wirecutter pick and consistently recommended across expert and community sources.
If you want a Sonicare and don't want to overthink it, the 4100 is the one. It does everything that matters and nothing you don't need.
“It also has the same key features, namely a two-minute timer with quadrant pacing and compatibility with a variety of brush heads.”