Makita XDT19Z vs Makita XDT20Z: What the Newer Four-Speed Impact Driver Changes

Where these two differ

Barely. The XDT20Z is the current four-speed LXT impact driver and the XDT19Z is the one it replaced. Both have 1,590 inch-pounds, 3,600 RPM, four speeds, Quick-Shift and assist modes and an LED ring. The newer tool has a refined body and one-touch mode selection. The older tool is often discounted.

This comparison is based on the published specifications and manuals for both tools and on recurring owner feedback. We have not run either driver ourselves.

Performance

Identical. Both sink deck screws and structural lags, both slow before the head seats in Quick-Shift and both start screws gently in assist mode. Composite decking comes out flush on either.

Handling

The XDT20Z grip and balance are refined and the mode changes with one touch, which matters when switching from a lag to a trim screw several times an hour. The XDT19Z rear buttons do the same job with a second press.

Yard jobs this decides

None. A deck, a fence, a pergola and a shed are the same on either tool. The purchase is decided by price on the day and by whether the current model matters for parts years from now.

Batteries and runtime

Both run every LXT pack and last a deck on a mid-size one. Both share packs with Makita mowers, blowers and the X2 36V tools.

Bits and accessories

Both take quarter-inch hex bits in the same one-handed chuck and both hold a spare bit on the body. Impact-rated torsion bits suit both; assist and Quick-Shift modes depend on a snug bit fit to sense the screw seating, so worn bits blunt the control advantage on either. A magnetic sleeve for long deck screws fits both.

Noise and vibration

Identical mechanisms give identical noise. Both are loud once the impact engages and both keep time under impact short in Quick-Shift, which owners describe as easier on the ears over a long deck than a fixed-speed impact. Hearing protection suits both on a full day.

Setup tips

Speed two with Quick-Shift for composite decking, speed four for lags, assist mode for small screws into hardware. The XDT20Z one-touch selector makes switching between these quicker; the XDT19Z rear buttons do the same with a second press.

Common owner complaints

XDT19Z owners mention the rear mode buttons being easy to press by accident. XDT20Z owners mention price. Both are reliable.

Which one should you buy

Buy the XDT19Z if it is discounted; it is the same impact in use. Buy the XDT20Z if the prices are close or the current model and one-touch modes appeal.

Our verdict

The XDT20Z is the better tool by a refinement and takes this comparison at equal prices. The XDT19Z at a discount is the smarter buy and loses nothing on the deck.