Our Verdict
The DeWalt DCS391 is the circular saw that makes sense for DeWalt XR ecosystem owners who need occasional cutting capability. 55mm depth, 45° bevel and electric brake at a mid-range price. Brushed motor trades longevity for affordability — the right trade-off for weekend DIY rather than daily trade use.
Pros & Cons
✓ Pros
- 55mm cutting depth adequate for standard sheet materials and timber sizes
- 0-45° bevel covers standard carpentry angles
- DeWalt XR battery compatibility links to the largest professional ecosystem
- Electric brake stops blade instantly when trigger released — safety feature
- Lower price than Bosch brushless alternative — better value for infrequent use
✗ Cons
- Brushed motor has shorter lifespan than Bosch brushless equivalent
- 55mm depth is 2mm less than Bosch GKS 18V-57 G — minor but measurable
- Slightly more vibration than brushless alternatives during extended cutting
Key Specifications
| Voltage | 18V XR |
|---|---|
| Blade | 165mm |
| Depth | 55mm |
| Bevel | 0-45° |
| Motor | Brushed |
| Brake | Electric (instant stop) |
Performance
The DeWalt DCS391 is the circular saw that makes sense for DeWalt XR ecosystem owners who need occasional cutting capability. 55mm depth, 45° bevel and electric brake at a mid-range price. Brushed motor trades longevity for affordability — the right trade-off for weekend DIY rather than daily trade use. On paper the headline numbers are voltage of 18V XR, blade of 165mm, depth of 55mm, bevel of 0-45°, motor of Brushed, brake of Electric (instant stop). Its standout is that 55mm cutting depth adequate for standard sheet materials and timber sizes
Build Quality & Design
Beyond that, owners and the spec sheet point to a few more genuine strengths. 0-45° bevel covers standard carpentry angles. DeWalt XR battery compatibility links to the largest professional ecosystem. We can't bench-test durability, but the depth of positive long-term owner feedback is the best available proxy for how it holds up.
Value for Money
It isn't flawless. Brushed motor has shorter lifespan than Bosch brushless equivalent. 55mm depth is 2mm less than Bosch GKS 18V-57 G — minor but measurable. Slightly more vibration than brushless alternatives during extended cutting. Whether those matter depends entirely on how you'll use it. At its price point, it represents solid value for the right buyer. It's the right call for The DeWalt DCS391 is the circular saw that makes sense for DeWalt XR ecosystem owners who need occasional cutting capability. 55mm depth, 45° bevel and electric brake at a mid-range price. Brushed... Look elsewhere if you're among Professional tradespeople cutting for extended periods daily — brushless motor longevity justifies the Bosch premium for professional use.
Final Verdict
The DeWalt DCS391 is the circular saw that makes sense for DeWalt XR ecosystem owners who need occasional cutting capability. 55mm depth, 45° bevel and electric brake at a mid-range price. Brushed motor trades longevity for affordability — the right trade-off for weekend DIY rather than daily trade use.
Check Price on Amazon ↗FAQ
Is the DeWalt DCS391 18V XR Circular Saw worth the money?
The DeWalt DCS391 is the circular saw that makes sense for DeWalt XR ecosystem owners who need occasional cutting capability. 55mm depth, 45° bevel and electric brake at a mid-range price. Brushed motor trades longevity for affordability — the right trade-off for weekend DIY rather than daily trade use. The DeWalt DCS391 is the circular saw that makes sense for DeWalt XR ecosystem owners who need occasional cutting capability. 55mm depth, 45° bevel and electric brake at a mid-range price. Brushe
Who should NOT buy the DeWalt DCS391 18V XR Circular Saw?
Professional tradespeople cutting for extended periods daily — brushless motor longevity justifies the Bosch premium for professional use.
Is the DeWalt DCS391 18V XR Circular Saw available in the UK and US?
Yes — we list both Amazon UK and US links. Always verify voltage compatibility (UK 230V, US 120V).
Alternatives to Consider
DeWalt DCS565 18V XR Brushless Circular Saw
9.2/1018V XR brushless, 165mm, 57mm depth. Brushless upgrade of DCS391.
Check Price ↗
Bosch GKS 18V-57 G Cordless Circular Saw
9.1/1018V, 165mm blade, 57mm depth, brushless, bevel 0-50°. The professional circular saw standard.
Check Price ↗Or see full comparisons: vs DeWalt DCD778 18V XR Brushless Combi Drill, vs DeWalt DCD778 18V Brushless Combi Drill, vs DeWalt DCE805 18V XR Brushless Angle Grinder