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 is the better dual action car polisher overall, rated 3.6 to 3.0. The Griot's Garage G15 leads on value and power. The Adam's SK Pro 15mm wins on features. The Griot's Garage G15 costs $78.50 less ($249.99 vs $328.49).
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.
Adam's SK Pro 15mm
#10 in Corded long-throwFull review
A 15 mm polisher with a built-in inspection light, for enthusiasts who polish in a garage without good lighting.
Amazon $328.49$328.49
Which should you buy?
- Choose the Griot's Garage G15 for value ($249.99 vs $328.49) and power (1,100 W vs 1,000 W).
- Choose the Adam's SK Pro 15mm for features (cordless or a 20 ft+ cord vs none of the listed features).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every corded long-throw dual action car polisher; a clear win is highlighted. How we rank explains each one.
| Factor weight | Griot's Garage G15 | Adam's SK Pro 15mm |
|---|---|---|
| Overall rating | 3.6/5 | 3.0/5 |
| Correction 30% | 62 15 mm orbit | 62 15 mm orbit |
| Value 25% | 49 $249.99 | 34 $328.49 |
| Warranty 15% | 100 lifetime guarantee against defects | 0 warranty not published, scored as none |
| Power 10% | 100 1,100 W | 86 1,000 W |
| Weight 10% | 50 weight not published (neutral score used) | 62 5.5 lb |
| Features 10% | 0 none of the listed features | 15 cordless or a 20 ft+ cord |
Specifications
| Griot's Garage G15 | Adam's SK Pro 15mm | |
|---|---|---|
| Polishing | ||
| Orbit diameter | 15 mm | 15 mm |
| Speed range | 3,000-5,300 OPM | up to 5,000 OPM |
| Backing plate | 5 in | 5 in |
| Forced rotation | No | No |
| Power | ||
| Power source | Corded | Corded |
| Motor rating | 1,100 W | 1,000 W |
| Cord | 10 ft, detachable | 25 ft, detachable |
| Brushless motor | Not listed | Not listed |
| Controls | ||
| Constant-speed electronics | Not listed | Not listed |
| Soft start | Not listed | Not listed |
| Lock-on trigger | Not listed | Not listed |
| Build | ||
| Weight | - | 5.5 lb |
| Pads or polish included | No | No |
| Warranty | Lifetime | - |