Quick takeaway
Weber Spirit II E-310 3-Burner leads this matchup 0 to 0 on measured spec rows and by 100 points overall. Weber Spirit II E-310 3-Burner is also about $590.99 cheaper at the latest tracked price.
Kamado Joe Big Joe III vs Weber Spirit II E-310 3-Burner
Choose Kamado Joe Big Joe III if...
Pick Kamado Joe Big Joe III if its current price, brand, or design fits your shortlist better than Weber Spirit II E-310 3-Burner. It currently costs about $590.99 more, so make sure those wins matter to you.
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 Kamado Joe Big Joe III.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Performance
| Spec | Kamado Joe Big Joe III | Weber Spirit II E-310 3-Burner |
|---|---|---|
| BTU | - | 30,000 BTU |
Dimensions
| Spec | Kamado Joe Big Joe III | Weber Spirit II E-310 3-Burner |
|---|---|---|
| Cooking Area | - | 529 sq in total |
General
| Spec | Kamado Joe Big Joe III | Weber Spirit II E-310 3-Burner |
|---|---|---|
| Brand | Kamado Joe | Weber |
| Burners | - | 3 |
| Category | Outdoor grill | Outdoor grill |
| Fuel Type | Charcoal | Propane/Natural gas |
| Ignition | - | Electronic ignition |
| Model Number | - | E-310 |
| Style | Freestanding | Freestanding |
The verdict
Based on 10 spec comparisons plus user ratings, the Weber Spirit II E-310 3-Burner comes out ahead with a stronger overall score.
As an Amazon Associate, VSFinder earns from qualifying purchases.
Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the Kamado Joe Big Joe III vs Weber Spirit II E-310 3-Burner score measuring?
VSFinder compares 8 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $1,169.99 for Kamado Joe Big Joe III and $579.00 for Weber Spirit II E-310 3-Burner.