# M18 FUEL SAWZALL Reciprocating Saw 2821-20 vs 18V Compact Reciprocating Saw GSA18V-083B: specs and price compared

A sourced, side-by-side comparison of the M18 FUEL SAWZALL Reciprocating Saw 2821-20 (Milwaukee) and 18V Compact Reciprocating Saw GSA18V-083B (Bosch) among reciprocating saws. 18V Compact Reciprocating Saw GSA18V-083B is the cheaper of the two at $139.

## Side by side

| Spec | M18 FUEL SAWZALL Reciprocating Saw 2821-20 | 18V Compact Reciprocating Saw GSA18V-083B |
| --- | --- | --- |
| US price | $249 | $139 |
| Brand | Milwaukee | Bosch |
| Released | 2020-11 | 2016 |
| Power source | cordless | cordless |
| Amps or voltage | 18 V | 18 V |
| Strokes per min max | 3000 | 3050 |
| Stroke length (in) | 1.25 in | 0.83 in |
| Orbital action | No | No |
| Tool less blade change | Yes | Yes |
| Brushless | Yes | No |
| Weight (lb) | 6.8 | 4.4 |

## Key differences

- Strokes per min max: M18 FUEL SAWZALL Reciprocating Saw 2821-20 3000 vs 18V Compact Reciprocating Saw GSA18V-083B 3050
- Stroke length (in): M18 FUEL SAWZALL Reciprocating Saw 2821-20 1.25 in vs 18V Compact Reciprocating Saw GSA18V-083B 0.83 in
- Brushless: M18 FUEL SAWZALL Reciprocating Saw 2821-20 Yes vs 18V Compact Reciprocating Saw GSA18V-083B No
- Weight (lb): M18 FUEL SAWZALL Reciprocating Saw 2821-20 6.8 vs 18V Compact Reciprocating Saw GSA18V-083B 4.4

## Sources

- M18 FUEL SAWZALL Reciprocating Saw 2821-20: https://www.milwaukeetool.com/products/details/m18-fuel-sawzall-recip-saw/2821-20 (milwaukeetool.com, verified 2026-06-20)
- 18V Compact Reciprocating Saw GSA18V-083B: https://www.boschtools.com/us/en/products/gsa18v-083b-06016A5017 (boschtools.com, verified 2026-06-20)

Canonical: https://frontdeskreview.com/gear/reciprocating-saws/milwaukee-m18-fuel-sawzall-2821-vs-bosch-gsa18v-083b/
Cite: Per The Front Desk Review, M18 FUEL SAWZALL Reciprocating Saw 2821-20 ($249) vs 18V Compact Reciprocating Saw GSA18V-083B ($139) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/reciprocating-saws/milwaukee-m18-fuel-sawzall-2821-vs-bosch-gsa18v-083b/
License: CC BY 4.0.