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Porter-Cable
Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher
$159Cheaper
Best Car Polishers · head-to-head
Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher vs Meguiar's MT300 Professional DA Polisher
A sourced, side-by-side comparison. Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher is cheaper at $159. Every spec and price links to its source.
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Meguiar's
Meguiar's MT300 Professional DA Polisher
$286.99
Released 2014
Which is better: the Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher or Meguiar's MT300 Professional DA Polisher?
The Meguiar's MT300 Professional DA Polisher wins 1 of the 1 specs we compare head to head; the other wins 0. The Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher is the cheaper at $159. Get the Meguiar's MT300 Professional DA Polisher for the stronger spec sheet, the Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher to spend less.
See Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher on Amazon See Meguiar's MT300 Professional DA Polisher on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher | Meguiar's MT300 Professional DA Polisher |
|---|---|---|
| US price | $159 Home Depot current retail price | $286.99 |
| Brand | Porter-Cable | Meguiar's |
| Released | — | 2014 |
| Orbit throw (mm) | 16 | 8 |
| Motor power | 4.5 A | 4.5 A |
| Speed range opm | 2,500-6,800 | 3,000-7,500 |
| Backing plate size (in) | 6 in | 3 in / 5 in / 6 in |
| Variable speed | Yes | Yes |
| Action type | gear-driven dual-action (forced rotation, ball & roller bearing) | gear-driven dual-action (forced rotation, Digital Torque Management) |
| Cord length (ft) | 7 | — |
| Weight (lb) | 5.8 | 5.4 |
Sources — Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher: portercable.com (verified 2026-08-01). Meguiar's MT300 Professional DA Polisher: meguiars.com (verified 2026-08-01).
What's the difference between the Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher and Meguiar's MT300 Professional DA Polisher?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Orbit throw (mm): Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher 16 vs Meguiar's MT300 Professional DA Polisher 8
- Speed range opm: Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher 2,500-6,800 vs Meguiar's MT300 Professional DA Polisher 3,000-7,500
- Backing plate size (in): Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher 6 in vs Meguiar's MT300 Professional DA Polisher 3 in / 5 in / 6 in
- Action type: Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher gear-driven dual-action (forced rotation, ball & roller bearing) vs Meguiar's MT300 Professional DA Polisher gear-driven dual-action (forced rotation, Digital Torque Management)
- Weight (lb): Porter-Cable 7424XP 6 in. Variable-Speed Random Orbit Polisher 5.8 vs Meguiar's MT300 Professional DA Polisher 5.4