Echo CS-4510
#2 in GasFull review
A good value 18 in firewood saw with a long warranty for homeowners who cut a few cords a year.
Amazon $398.98$398.98
The Echo CS-4510 is the better chainsaw overall, rated 3.6 to 3.0. The Echo CS-4510 leads on warranty. The Echo CS-4510 costs $1.01 less ($398.98 vs $399.99).
STIHL MS 251 Wood Boss
#18 in GasFull review
A fuel efficient 18 in STIHL for homeowners who cut a few cords a year and want dealer support.
STIHL $399.99$399.99
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Echo CS-4510 for warranty (5-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every gas chainsaw; a clear win is highlighted. How we rank explains each one.
| Factor weight | Echo CS-4510 | STIHL MS 251 Wood Boss |
|---|---|---|
| Overall rating | 3.6/5 | 3.0/5 |
| Value 30% | 43 $22.17 per inch of bar ($398.98, 18 in bar) | 42 $22.22 per inch of bar ($399.99, 18 in bar) |
| Power 25% | 40 45 cc engine | 42 45.6 cc engine |
| Weight 15% | 70 11.1 lb | 77 10.6 lb (powerhead) |
| Bar 10% | 75 18 in bar | 75 18 in bar |
| Warranty 20% | 100 5-year warranty | 0 1-year warranty |
Specifications
| Echo CS-4510 | STIHL MS 251 Wood Boss | |
|---|---|---|
| Cutting | ||
| Bar length | 18 in | 18 in |
| Chain pitch | - | .325 in (RM3) |
| Automatic oiler | Yes | - |
| Power | ||
| Engine or battery | 45 cc | 45.6 cc, 3 hp |
| Build | ||
| Weight | 11.1 lb | 10.6 lb (powerhead) |
| Anti-vibration | Yes | Yes |
| Warranty | 5 years | 1 year |