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 is the better earth auger overall, rated 4.1 to 3.7. The Greenworks Pro 80V Earth Auger leads on value. The Greenworks Pro 80V Earth Auger costs $420 less ($329.99 vs $749.99).
Stihl BTA 140
#8 in BatteryFull review
A battery auger for Stihl AP owners who need holes up to 12 in. Buyers without the batteries face a steep total price.
Stihl $749.99$749.99
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.
Which should you buy?
- Choose the Greenworks Pro 80V Earth Auger for value ($41.25 per inch of bit ($329.99, up to 8 in) vs $62.50 per inch of bit ($749.99, up to 12 in)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every battery earth auger; a clear win is highlighted. How we rank explains each one.
| Factor weight | Greenworks Pro 80V Earth Auger | Stihl BTA 140 |
|---|---|---|
| Overall rating | 4.1/5 | 3.7/5 |
| Value 30% | 98 $41.25 per inch of bit ($329.99, up to 8 in) | 72 $62.50 per inch of bit ($749.99, 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 | 100 reverse to free a stuck bit |
| Weight 15% | 85 18.8 lb | 50 weight not published (neutral score used) |
| Warranty 25% | 50 warranty not published (neutral score used) | 50 warranty not published (neutral score used) |
Specifications
| Greenworks Pro 80V Earth Auger | Stihl BTA 140 | |
|---|---|---|
| Drilling | ||
| Power | 80 V battery | 36 V battery |
| Battery included | No | No |
| Largest bit | 8 in | 12 in |
| Bit included | None | None |
| Torque | 109.8 N·m | - |
| Bit speed | 210 rpm | - |
| Reverse | Yes | Yes |
| Build | ||
| Operators | 1 | 1 |
| Weight | 18.8 lb | - |