Bosch GKS 18V-57 G Cordless Circular Saw vs DeWalt DCS391 18V XR Circular Saw (2026)
Which is better? We compared both on score, owner ratings, pros and cons.
Bosch GKS 18V-57 G Cordless Circular Saw
18V, 165mm blade, 57mm depth, brushless, bevel 0-50°. The professional circular saw standard.
Full Review
DeWalt DCS391 18V XR Circular Saw
18V, 165mm blade, 55mm depth, brushed motor, bevel 0-45°. DeWalt's best-value circular saw.
Full ReviewAt a Glance
| Bosch GKS 18V-57 G Cordless Circular Saw | DeWalt DCS391 18V XR Circular Saw | |
|---|---|---|
| 247Verdict Score | 9.1/10 | 8.9/10 |
| Owner Rating | 4.6★ (4,800) | 4.6★ (8,200) |
| Verdict | Excellent | Great |
| Voltage | 18V | 18V XR |
| Blade | 165mm | 165mm |
| Depth | 57mm (90°) / 40mm (45°) | 55mm |
| Bevel | 0-50° | 0-45° |
| Motor | EC brushless | Brushed |
Quick Verdict
Both are strong choices, but the Bosch GKS 18V-57 G Cordless Circular Saw edges ahead with a 9.1/10 vs 8.9/10. 18V, 165mm blade, 57mm depth, brushless, bevel 0-50°. The professional circular saw standard. That said, the DeWalt DCS391 18V XR Circular Saw is worth considering if 18V, 165mm blade, 55mm depth, brushed motor, bevel 0-45°. DeWalt's best-value circular saw. Check the current price on Amazon →
Pros & Cons Side by Side
Bosch GKS 18V-57 G Cordless Circular Saw
- 57mm maximum cutting depth handles most standard structural and sheet materials
- Bevel adjustment to 50° enables angled cuts without additional tooling
- EC brushless motor delivers consistent power through the cut without bogging down
- 165mm blade size is the most common — widest compatible blade selection
- Chip blower keeps cut line clear without stopping to remove sawdust
- Body-only pricing requires Bosch Professional 18V battery investment
- Heavy at 2.9kg with battery — extended overhead cutting is tiring
- The 57mm depth doesn't cover deeper structural timber common in renovation work
DeWalt DCS391 18V XR Circular Saw
- 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
- 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
FAQ
Which is better, Bosch GKS 18V-57 G or DeWalt DCS391 18V XR?
Both are strong choices, but the Bosch GKS 18V-57 G Cordless Circular Saw edges ahead with a 9.1/10 vs 8.9/10. 18V, 165mm blade, 57mm depth, brushless, bevel 0-50°. The professional circular saw standard. That said, the DeWalt DCS391 18V XR Circular Saw is worth considering if 18V, 165mm blade, 55mm depth, brushed motor, bevel 0-45°. DeWalt's best-value circular saw.
Is the Bosch GKS 18V-57 G worth the extra cost?
Yes — Bosch GKS 18V-57 G Cordless Circular Saw scores higher at 9.1/10 vs 8.9/10.
Who is the Bosch GKS 18V-57 G best suited to?
18V, 165mm blade, 57mm depth, brushless, bevel 0-50°. The professional circular saw standard.
Who is the DeWalt DCS391 18V XR best suited to?
18V, 165mm blade, 55mm depth, brushed motor, bevel 0-45°. DeWalt's best-value circular saw.
What are the main downsides of each?
Bosch GKS 18V-57 G Cordless Circular Saw: Body-only pricing requires Bosch Professional 18V battery investment; Heavy at 2.9kg with battery — extended overhead cutting is tiring. DeWalt DCS391 18V XR Circular Saw: Brushed motor has shorter lifespan than Bosch brushless equivalent; 55mm depth is 2mm less than Bosch GKS 18V-57 G — minor but measurable.
Do owner ratings agree with our verdict?
Largely, yes — Bosch GKS 18V-57 G Cordless Circular Saw sits at 4.6★ from 4,800 verified Amazon owners, and DeWalt DCS391 18V XR Circular Saw at 4.6★ from 8,200.
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18V XR brushless, 165mm, 57mm depth. Brushless upgrade of DCS391.
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