Greenworks Pro 80V Earth Auger
#4 in BatteryFull review
A bare 80V auger for owners of Greenworks Pro batteries planting and setting posts up to 8 in.
Amazon $329.99$329.99
The Greenworks Pro 80V Earth Auger rates 4.1 among battery earth augers; the Stihl BT 131 rates 3.6 among gas ones. The Greenworks Pro 80V Earth Auger costs $600 less ($329.99 vs $929.99).
Stihl BT 131
#11 in GasFull review
A pro-grade one-person auger for buyers who drill many holes up to 12 in and want a brake for safety. It costs far more than budget models.
Stihl $929.99$929.99
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different power classes (battery and gas), and each is scored against the reference points for its own class, so a rating says how well each does among its own power peers. How we rank explains each factor.
| Factor weight | Greenworks Pro 80V Earth Auger | Stihl BT 131 |
|---|---|---|
| Overall rating | 4.1/5 | 3.6/5 |
| Value 30% | 98 $41.25 per inch of bit ($329.99, up to 8 in) | 59 $77.50 per inch of bit ($929.99, up to 12 in) |
| Torque 15% | 33 109.8 N·m of torque | 50 torque not published (neutral score used) |
| Reverse 15% | 100 reverse to free a stuck bit | 50 reverse not stated (neutral score used) |
| Weight 15% | 85 18.8 lb | 93 22 lb |
| Warranty 25% | 50 warranty not published (neutral score used) | 50 warranty not published (neutral score used) |
Specifications
| Greenworks Pro 80V Earth Auger | Stihl BT 131 | |
|---|---|---|
| Drilling | ||
| Power | 80 V battery | 36.3 cc gas |
| Battery included | No | - |
| Largest bit | 8 in | 12 in |
| Bit included | None | None |
| Torque | 109.8 N·m | - |
| Bit speed | 210 rpm | 200 rpm |
| Reverse | Yes | - |
| Build | ||
| Operators | 1 | 1 |
| Weight | 18.8 lb | 22 lb |