Quick takeaway
Weber Genesis II E-315 3-Burner Gas leads this matchup 3 to 0 on measured spec rows and by 100 points overall. Weber Spirit II E-310 3-Burner is also about $270.00 cheaper at the latest tracked price.
Weber Genesis II E-315 3-Burner Gas vs Weber Spirit II E-310 3-Burner
Choose Weber Genesis II E-315 3-Burner Gas if...
Pick Weber Genesis II E-315 3-Burner Gas if btu, cooking area, and model number are the reasons you are shopping in this category. It currently costs about $270.00 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 Weber Genesis II E-315 3-Burner Gas.
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 | Weber Genesis II E-315 3-Burner Gas | Weber Spirit II E-310 3-Burner |
|---|---|---|
| BTU | 39,000 BTU ✓ | 30,000 BTU |
Dimensions
| Spec | Weber Genesis II E-315 3-Burner Gas | Weber Spirit II E-310 3-Burner |
|---|---|---|
| Cooking Area | 787 sq in total ✓ | 529 sq in total |
General
| Spec | Weber Genesis II E-315 3-Burner Gas | Weber Spirit II E-310 3-Burner |
|---|---|---|
| Brand | Weber | Weber |
| Burners | 3 | 3 |
| Category | Outdoor grill | Outdoor grill |
| Fuel Type | Propane/Natural gas | Propane/Natural gas |
| Ignition | Electronic ignition | Electronic ignition |
| Model Number | E-315 ✓ | E-310 |
| Style | Freestanding | Freestanding |
The verdict
Based on 9 spec comparisons plus user ratings, the Weber Genesis II E-315 3-Burner Gas comes out ahead with a stronger overall score.
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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 Weber Genesis II E-315 3-Burner Gas vs Weber Spirit II E-310 3-Burner score measuring?
VSFinder compares 3 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 $849.00 for Weber Genesis II E-315 3-Burner Gas and $579.00 for Weber Spirit II E-310 3-Burner.