Echo
Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer
$279.99
Best String Trimmers · head-to-head
Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer vs Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger
A sourced, side-by-side comparison. Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger is cheaper at $119.99. Every spec and price links to its source.
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Worx
Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger
$119.99Cheaper
Which is better: the Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer or Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger?
The Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger wins 1 of the 1 specs we compare head to head; the other wins 0. The Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger is the cheaper at $119.99. The Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger both leads on specs and costs less — the straightforward pick.
See Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer on Amazon Check Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger price
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer | Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger |
|---|---|---|
| US price | $279.99 | $119.99 |
| Brand | Echo | Worx |
| Released | — | — |
| Power source | gas | battery |
| Cutting swath (in) | 17 in | 12 in |
| Shaft type | straight | straight |
| Line diameter (in) | 0.095 in | 0.065 in |
| Feed type | bump | auto |
| Engine cc or voltage | 21.2 cc | 20 V |
| Weight (lb) | 11.5 | 5.29 |
| Release year | — | — |
Sources — Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer: echo-usa.com (verified 2026-06-19). Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger: amazon.com (verified 2026-06-19).
What's the difference between the Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer and Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger?
Where the two actually differ on the specs we track (6 of 7). Matching specs are omitted.
- Power source: Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer gas vs Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger battery
- Cutting swath (in): Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer 17 in vs Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger 12 in
- Line diameter (in): Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer 0.095 in vs Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger 0.065 in
- Feed type: Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer bump vs Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger auto
- Engine cc or voltage: Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer 21.2 cc vs Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger 20 V
- Weight (lb): Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer 11.5 vs Worx WG163 GT 3.0 20V 12" String Trimmer & Wheeled Edger 5.29