Griot's Garage G15
A 15 mm long-throw polisher at a mid-range price, for enthusiasts who want quick correction and a lifetime guarantee.
Amazon $249.99$249.99
The Griot's Garage G15 rates 3.6 among corded long-throw dual action car polishers; the Milwaukee M18 FUEL 15mm rates 3.5 among cordless ones. The Griot's Garage G15 costs $4.01 less ($249.99 vs $254).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Milwaukee M18 FUEL 15mm
#2 in CordlessFull review
A cordless 15 mm polisher for anyone already on the Milwaukee M18 battery platform.
Amazon $254$254
Scores side by side
These two sit in different type classes (corded long-throw and cordless), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Griot's Garage G15 | Milwaukee M18 FUEL 15mm |
|---|---|---|
| Overall rating | 3.6/5 | 3.5/5 |
| Correction 30% | 62 15 mm orbit | 62 15 mm orbit |
| Value 25% | 49 $249.99 | 48 $254 |
| Warranty 15% | 100 lifetime guarantee against defects | 50 3-year warranty |
| Power 10% | 100 1,100 W | 50 18 V battery; cordless makers publish no motor rating (neutral score used) |
| Weight 10% | 50 weight not published (neutral score used) | 71 5.2 lb |
| Features 10% | 0 none of the listed features | 60 constant-speed electronics, cordless or a 20 ft+ cord, lock-on trigger |
Specifications
| Griot's Garage G15 | Milwaukee M18 FUEL 15mm | |
|---|---|---|
| Polishing | ||
| Orbit diameter | 15 mm | 15 mm |
| Speed range | 3,000-5,300 OPM | 2,650-5,100 OPM |
| Backing plate | 5 in | 5 in |
| Forced rotation | No | No |
| Power | ||
| Power source | Corded | Cordless |
| Motor rating | 1,100 W | - |
| Battery | - | 18 V |
| Cord | 10 ft, detachable | Cordless |
| Brushless motor | Not listed | Not listed |
| Controls | ||
| Constant-speed electronics | Not listed | Yes |
| Soft start | Not listed | Not listed |
| Lock-on trigger | Not listed | Yes |
| Build | ||
| Weight | - | 5.2 lb |
| Pads or polish included | No | No |
| Warranty | Lifetime | 3 years |