Griot's Garage G9
A forgiving, well-supported first polisher with a lifetime guarantee, for owners new to machine polishing.
Amazon $179.99$179.99
The Griot's Garage G9 is the better dual action car polisher overall, rated 3.5 to 3.0. The Griot's Garage G9 leads on warranty and features. The Adam's Swirl Killer Mini 12mm wins on correction and value. The Adam's Swirl Killer Mini 12mm costs $30 less ($149.99 vs $179.99).
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 Swirl Killer Mini 12mm
A spot-correction polisher for tight areas, as a companion to a full-size long-throw machine.
Amazon $149.99$149.99
Which should you buy?
- Choose the Griot's Garage G9 for warranty (lifetime guarantee against defects vs 1-year warranty) and features (constant-speed electronics vs none of the listed features).
- Choose the Adam's Swirl Killer Mini 12mm for correction (12 mm orbit vs 9 mm orbit) and value ($149.99 vs $179.99).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every corded short-throw dual action car polisher; a clear win is highlighted. How we rank explains each one.
| Factor weight | Griot's Garage G9 | Adam's Swirl Killer Mini 12mm |
|---|---|---|
| Overall rating | 3.5/5 | 3.0/5 |
| Correction 30% | 25 9 mm orbit | 44 12 mm orbit |
| Value 25% | 67 $179.99 | 77 $149.99 |
| Warranty 15% | 100 lifetime guarantee against defects | 0 1-year warranty |
| Power 10% | 86 1,000 W | 50 motor rating not published (neutral score used) |
| Weight 10% | 50 weight not published (neutral score used) | 50 weight not published (neutral score used) |
| Features 10% | 30 constant-speed electronics | 0 none of the listed features |
Specifications
| Griot's Garage G9 | Adam's Swirl Killer Mini 12mm | |
|---|---|---|
| Polishing | ||
| Orbit diameter | 9 mm | 12 mm |
| Speed range | 2,000-6,400 OPM | up to 5,500 OPM |
| Backing plate | 6 in | 3 in |
| Forced rotation | No | No |
| Power | ||
| Power source | Corded | Corded |
| Motor rating | 1,000 W | - |
| Cord | 10 ft, detachable | - |
| Brushless motor | Not listed | Not listed |
| Controls | ||
| Constant-speed electronics | Yes | Not listed |
| Soft start | Not listed | Not listed |
| Lock-on trigger | Not listed | Not listed |
| Build | ||
| Pads or polish included | No | No |
| Warranty | Lifetime | 1 year |