Bosch
Bosch 18V Compact Reciprocating Saw GSA18V-083B
$139
Released 2016
Best Reciprocating Saws · head-to-head
Bosch 18V Compact Reciprocating Saw GSA18V-083B vs Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B
A sourced, side-by-side comparison. Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B is cheaper at $36. Every spec and price links to its source.
Black+Decker
Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B
$36Cheaper
Which is better: the Bosch 18V Compact Reciprocating Saw GSA18V-083B or Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B?
The Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B wins 1 of the 1 specs we compare head to head; the other wins 0. The Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B is the cheaper at $36. The Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B both leads on specs and costs less — the straightforward pick.
See Bosch 18V Compact Reciprocating Saw GSA18V-083B on Amazon See Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Bosch 18V Compact Reciprocating Saw GSA18V-083B |  Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B |
|---|---|---|
| US price | $139 | $36 |
| Brand | Bosch | Black+Decker |
| Released | 2016 | — |
| Power source | cordless | cordless |
| Amps or voltage | 18 V | 20 V |
| Strokes per min max | 3050 | 3000 |
| Stroke length (in) | 0.83 in | 0.875 in |
| Orbital action | No | — |
| Tool less blade change | Yes | Yes |
| Brushless | No | No |
| Weight (lb) | 4.4 | 4.1 |
| Release | 2016 | — |
Sources — Bosch 18V Compact Reciprocating Saw GSA18V-083B: boschtools.com (verified 2026-06-20). Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B: blackanddecker.com (verified 2026-11-03).
What's the difference between the Bosch 18V Compact Reciprocating Saw GSA18V-083B and Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Amps or voltage: Bosch 18V Compact Reciprocating Saw GSA18V-083B 18 V vs Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B 20 V
- Strokes per min max: Bosch 18V Compact Reciprocating Saw GSA18V-083B 3050 vs Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B 3000
- Stroke length (in): Bosch 18V Compact Reciprocating Saw GSA18V-083B 0.83 in vs Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B 0.875 in
- Weight (lb): Bosch 18V Compact Reciprocating Saw GSA18V-083B 4.4 vs Black+Decker 20V MAX POWERCONNECT Reciprocating Saw BDCR20B 4.1