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Deal.ai › Compare

Porter-Cable 7424XP Random Orbit Polisher vs Meguiar's MT300 Dual Action Polisher

Buy the Porter-Cable 7424XP if you want a proven, widely owned dual-action polisher with a long track record and a large base of owner feedback. Buy the Meguiar's MT300 if you detail cars often and want digital torque management, a multi-position D-handle and swappable 3-, 5- and 6-inch backing plates. The Porter-Cable is the simpler, lighter tool with a removable side handle; the MT300 is the more feature-rich machine aimed at professional detailers. Owners rate the Porter-Cable higher, but on far more ratings.

  • Choose the Porter-Cable 7424XP if you want a straightforward, lightweight 6-inch DA polisher for paint correction, waxing and occasional sanding at home.
  • Choose the Meguiar's MT300 if you detail professionally and want digital torque management, a D-handle and the ability to run 3-, 5- or 6-inch pads.

Prices

  • Porter-Cable 7424XP Random Orbit Polisher: $99.99 at JB Tools (checked today)
  • Meguiar's MT300 Dual Action Polisher: $167.99 at Fleet Farm (checked today)
  • Difference: the Porter-Cable 7424XP Random Orbit Polisher is $68.00 cheaper than the Meguiar's MT300 Dual Action Polisher today
Porter-Cable
Porter-Cable 7424XP Variable Speed Random Orbit Polisher

Porter-Cable 7424XP Random Orbit Polisher

Porter-Cable 7424XP Variable Speed Random Orbit Polisher

4.7(356 ratings)
$99.99at JB ToolsChecked 48 min ago
See all prices and details
Visit JB Tools

Store links may earn us a commission. Price via Klarna.

Pros
  • Light 5.5 lb body reduces fatigue on long jobs
  • Large owner base with high ratings
  • Removable side handle fits left or right hand
  • Ball and roller bearings throughout
  • Works for polishing, waxing and sanding
Cons
  • Plastic housing feels less premium than metal
  • Top speed lower than the MT300
  • No torque management under load
  • Only a 90-day money-back guarantee, no long warranty
Meguiar's
Meguiar's MT300 Dual Action Polisher

Meguiar's MT300 Dual Action Polisher

4.4(27 ratings)
$167.99at Fleet FarmChecked 1 h ago
See all prices and details
Visit Fleet Farm
Pros
  • Digital Torque Management keeps speed up under pressure
  • Higher top speed for faster compounding
  • Multi-position D-handle gives firm control
  • Takes 3-, 5- and 6-inch backing plates
  • Metal housing
Cons
  • No manufacturer warranty or guarantee
  • Fewer owner ratings to judge from
  • Heavier and bulkier than the Porter-Cable
  • Aimed at professionals, more tool than a beginner needs

What separates them

Porter-Cable 7424XP Random Orbit PolisherMeguiar's MT300 Dual Action Polisher
Orbit speed range2,500-6,800 OPM3,000-7,500 OPM
Torque controlElectronic variable-speed dial onlyDigital Torque Management holds speed under load
HandleTwo-position removable side handleMulti-position D-handle that can come off
Backing plate sizes6-inch pad, 5/16-24 spindle accessoriesAccepts 3-, 5- and 6-inch backing plates
Weight5.5 lbsNot listed, heavier metal housing
HousingABS plasticMetal
Warranty90-day money-back guaranteeNo manufacturer warranty or guarantee
Owner ratings4.7 out of 5 from 356 ratings4.4 out of 5 from 27 ratings

Price history

$167.99$99.99
Nov 5Nov 12
  • Porter-Cable 7424XP Random Orbit Polisher: lowest $99.99 on Nov 9 at JB Tools; $99.99 on Nov 12.
  • Meguiar's MT300 Dual Action Polisher: lowest $167.99 on Nov 12 at Fleet Farm.

Prices at every store

Porter-Cable 7424XP Random Orbit Polisher

  • JB ToolsNew

    In stock

    $99.99Free shippingChecked 48 min ago
    Visit JB Tools
  • DetailedImage.comNew

    In stock

    $134.99+ $12.55 shippingChecked Nov 9
    Visit DetailedImage.com
  • The Home DepotNew

    In stock

    $159.00Free shippingChecked 1 h ago
    Visit The Home Depot
  • eBayNew

    Availability unknownSold by brave-to-star (100% positive, 343 ratings)Ships from China · duties may applyReturns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $144.00Free shippingChecked Nov 9
    Visit eBay

Also available at

  • eBayCheck price at eBay

Store links may earn us a commission. Some prices via Klarna.

All 18 stores and price history →

Meguiar's MT300 Dual Action Polisher

  • JBTools.comNew

    In stock

    $169.99Checked 1 h ago
    Visit JBTools.com
  • WalmartNew

    In stock

    $312.80Checked 1 h ago
    Visit Walmart
  • eBayNew

    In stockSold by jb-tools

    $316.31Checked 1 h ago
    Visit eBay
  • Fleet FarmNew

    Availability unknown

    $167.99Checked 1 h ago
    Visit Fleet Farm

Also available at

  • WalmartCheck price at Walmart

Store links may earn us a commission.

All 12 stores and price history →

Specs compared

SpecPorter-Cable 7424XP Random Orbit PolisherMeguiar's MT300 Dual Action Polisher
Speed SettingsVariable speedVariable speed
Assembled Depth37.59 cm46.81 cm
Assembled Height14.99 cm12.5 cm
Assembled Width16.26 cm15.62 cm
Housing MaterialABS PlasticMetal
Warranty90-day money back guaranteeNo (manufacturers warranty), No (manufacturers …
Voltage120.0 V120 Volts
Wattage540 Watts540 Watts (maximum power)
Power Source TypeCorded ElectricCorded Electric
Revolutions Per Minute (RPM)6800.0 RPM (Maximum)3000-7500 OPM
Polishing Speed2,500-6,800 OPM3,000 - 7,500 OPM
SpeedVariable speed, 2,500-6,800 OPMVariable speed
Show all 31 specsShow fewer specs
SpecPorter-Cable 7424XP Random Orbit PolisherMeguiar's MT300 Dual Action Polisher
Operating ModePolishing, SandingDual Action
Intended UseIndustrialProfessional
Handle TypeTwo-position (left or right) removable side han…Multi-position D-handle
Recommended SurfacesWoodworking, Automotive, Marine, Metal surfaces—
Pad TypePolishing Pad—
Included AttachmentsPolishing pad, Side Handle, Wrench—
Cleaning Width6 in—
Cord Length8.0 ft—
Weight5.5 lbs—

What reviewers say

Porter-Cable 7424XP Random Orbit Polisher

  • 4.7 / 5356 ratings

Rated 4.7 out of 5 from 356 ratings, the 7424XP is widely regarded as a reliable, easy-to-use dual-action polisher for the money. Owners like its light weight and smooth random orbit for paint correction and waxing. Complaints center on vibration at high speeds and the lack of soft-start.

What people mention
  • VibrationCriticisedOwners say vibration grows with RPM and gets tiring at 6,800 OPM.
  • WeightPraisedAt about 5.5 lbs it is easy to control overhead and on vertical panels.
  • Swirl removalPraisedThe random orbit action removes swirls and polishes paint without burning through.
  • Soft startCriticisedReviewers note it starts at full dial speed with no ramp-up.

Meguiar's MT300 Dual Action Polisher

  • 4.4 / 527 ratings

Rated 4.4 out of 5 from 27 ratings, the MT300 is generally well regarded for smooth operation and steady speed under load. Complaints center on its pro-oriented price and the extra backing plates needed.

What people mention
  • VibrationPraisedOwners say the counterweight and bearing design keep it smooth in the hand.
  • Speed controlPraisedThe variable dial and torque management hold the chosen speed under load.
  • HandlePraisedThe multi-position D handle is called comfortable and easy to control.
  • ValueMixed

Questions and answers

Which is better for a beginner polishing their own car?
The Porter-Cable 7424XP. It is lighter, simpler and has a large base of owner experience behind it. The MT300's extra speed and torque control matter more to people polishing daily.
Which has more power?
Both use a 4.5 Amp, 540 W motor. The MT300 spins faster at the top end, 7,500 vs 6,800 OPM, and its Digital Torque Management holds speed better when you press down.
Which is better for compounding hard paint?
The Meguiar's MT300. Its higher top speed and torque management keep the pad turning under load, which is where compounding gets done.
Can the Porter-Cable use different pad sizes?
It ships with a 6-inch pad and takes 5/16-24 spindle accessories, so you can change backing plates. The MT300 is built around swapping 3-, 5- and 6-inch plates.
Which lasts longer?
Hard to call. The Porter-Cable uses ball and roller bearings and has a long service record; the MT300 has a metal housing and multi-bearing counterweight. The MT300 carries no manufacturer warranty, which is a real risk.
Is the MT300 worth stepping up to?
Yes if you detail often and want torque control, a D-handle and multiple pad sizes. For occasional home use, the Porter-Cable covers the same jobs with less complexity.

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Buying guides that pick them

  • Best random orbital polishers for car detailing
Horsepower0.0 hp—
Motor Speed6,800 OPM (maximum disc speed)—
Noise LevelVibration will increase with higher RPMS—
Pad Material—Microfiber
Torque—Digital Torque Management (DTM)
Amperage—4.5 Amps
Color—Black
Ergonomics—Bail handle (can come off)
Skill Level—Professional
Typical Users—Professional detailers, Car painters
Some buyers find it priced above budget polishers for the same jobs.