Quick takeaway
Blackstone 36 inch Griddle Cooking Station and Weber Spirit II E-310 3-Burner are very close in this matchup. When the overall score is tied, the right choice usually comes down to price, review depth, and which spec wins matter most for your use case.
Choose Blackstone 36 inch Griddle Cooking Station if...
Pick Blackstone 36 inch Griddle Cooking Station if btu and cooking area are the reasons you are shopping in this category.
Choose Weber Spirit II E-310 3-Burner if...
Pick Weber Spirit II E-310 3-Burner if its current price, brand, or design fits your shortlist better than Blackstone 36 inch Griddle Cooking Station. It currently costs about $230.00 more, so make sure those wins matter to you.