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DEWALT

DEWALT Buffer Polisher

DEWALT Buffer Polisher, 7-in-9-in, 12 amp, Variable Speed Dial 0-3,500 RPM’s, Soft Start Corded Car Buffer (DWP849X)DEWALT Buffer Polisher, 7-in-9-in, 12 amp, Variable Speed Dial 0-3,500 RPM’s, Soft Start Corded Car Buffer (DWP849X) — photo 2DEWALT Buffer Polisher, 7-in-9-in, 12 amp, Variable Speed Dial 0-3,500 RPM’s, Soft Start Corded Car Buffer (DWP849X) — photo 3DEWALT Buffer Polisher, 7-in-9-in, 12 amp, Variable Speed Dial 0-3,500 RPM’s, Soft Start Corded Car Buffer (DWP849X) — photo 4DEWALT Buffer Polisher, 7-in-9-in, 12 amp, Variable Speed Dial 0-3,500 RPM’s, Soft Start Corded Car Buffer (DWP849X) — photo 5DEWALT Buffer Polisher, 7-in-9-in, 12 amp, Variable Speed Dial 0-3,500 RPM’s, Soft Start Corded Car Buffer (DWP849X) — photo 6

8.3Detail Pro Rating · 5 sources

4.7(6,916 ratings)

$249

Price and rating captured from Amazon on October 19, 2026.

$249 at Amazon(paid link)

Brand

DEWALT

Size

Not listed

Reviews

6,916

Specs are read from the manufacturer's own Amazon listing text. Anything the listing does not state is left blank rather than estimated.

Detail Pro Verdict

#4 of 15 in Dual Action Polishers

DEWALT Buffer Polisher ranks #4 of 15 in Dual Action Polishers with a 8.3/10 Detail Pro Rating. Expect to pay a premium for it.

Strengths

  • + 4.7-star Amazon customer rating
  • + Large, well-established review base
  • + Backed by 4+ independent rating sources

Watch-outs

  • − Costs more than most of the category

Drawn from the ranking data on this page: Detail Pro Rating, Amazon rating, review count and price versus the rest of the category.

Chemical Guys, TORQX… vs DEWALT Buffer Polisher

Hands-on video

The most-watched review of this product

DeWalt's Professional Constant Speed Rotary Polisher Review

Catus Maximus · 6K views

Chosen automatically as the most-watched review of this exact product with at least 5K views. We do not pay for or commission any video.

Detail Pro Rating

8.3 out of 10

A single score blended from every independent read-out we could find. Amazon carries the most weight, a hands-on video review next. Sources we could not find are left out and the rest are reweighted, so nothing is invented.

Customer reviews

8.040% of score

Hands-on video review

8.525% of score

DeWalt's Professional Constant Speed Rotary Polisher Review

Reddit owners

8.515% of score

Best car buffing machine? : r/AutoDetailing

I've read that the DEWALT 7-Inch-9-Inch Variable Speed Car Buffer s one of the better around, but I'd thought I'd ask you lot... What are you using?

Expert review

8.510% of score

The Dewalt Buffer review is a must read before you buy!

I personally rank it as one of my top picks when it comes to professional grade car polishers. the power and the ergonomics

Detailing forums

8.510% of score

Rotary Buffer | Auto Geek Online Auto Detailing Forum

I'd go with the DeWalt rotary. I have a Rupes BF21, but the rotary can do everything IT can. The DeWalt rotary polisher (DWTDWP849X) is my go-to. The Rupes ...

From the listing

What the seller says

  • Car buffers and polishers kit comes with all ball-bearing construction for durability and precision-cut steel gears
  • Rubber overmoulded gearcase allows the user to grip the gearcase for greater comfort on this buffer polisher for car detailing
  • Variable speed trigger allows the user to control the speed of the unit by adjusting the force applied to the switch
  • Large variable speed dial allows the user to easly change their speed to suit specific applications
  • Replaceable wool ingestion shield for longer life prevents wool from being sucked into the unit and blocking the tool
  • No volt release switch will prevent the unit from starting when plugged in, even if the switch is in the on position. Switch must be consciously reset before power is delivered
  • Large spindle lock button allows easy changing of the backing pad
  • Pop off brushes protect the armature from damage at the end of brush life resulting in greater motor life of this surface conditioning tool

Before you buy

Quick answers about this dual action polisher

How does it rank?
It is #4 of 15 dual action polishers we track, with a Detail Pro Rating of 8.3 out of 10. See the full dual action polishers ranking.
What do Amazon owners say?
Owners rate it 4.7 out of 5 across 6,916 reviews, as of October 19, 2026.
How much does it cost?
$249 on Amazon at our last check on October 19, 2026. Prices change often, so confirm on Amazon before buying.

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