If you're among the many people who are considering purchasing the Weber Spirit 310 or 315, it's not hard to see that there are some key differences between them. Even with a cursory examination of the two grills, some buyers may find themselves confused about what exactly is different between these two models of one of Weber's most popular gas grills.u003cbru003eu003cbru003eThis article will compare and contrast all the differences in detail so that you can make an informed decision on which grill is right for your needs and budget.u003cbru003eu003cbru003eu003cstrongu003eWeber Spirit 310 Vs 315: Specification Comparisonu003cbru003eu003c/strongu003eu003cbru003eTo make this article as clear and easy to digest as possible, let's take a look at the main specification differences between the Weber Spirit 310 and 315. There are many, but they mainly affect performance, size, and weight.u003cbru003eu003cbru003eThe Spirit 310 has a 17.4-inch-long cooking surface, compared to the 15.5-inch Spirit 315. The burner on the 310 is 25% larger via a larger bowl. It also carries a slightly less expensive price tag at just over $400 compared to the $460 for the 315, although that's because Weber tends to offer better discounts in smaller quantities.u003cbru003eu003cbru003eThe Spirit 310 weighs 33 pounds compared to the Spirit 315 at 40 pounds. The Spirit 310 has a slightly larger diameter than the Spirit 315 at 42 inches compared to 41 inches. That's enough to make it a little heavier, but not so much as to make it noticeably different.u003cbru003eu003cbru003eAs you can see, there are no major changes between Weber Spirit 310 and 315 when it comes to specification, performance, and price. The main differences between the two grills are the frame size and weight.u003cbru003eu003cbru003eu003cstrongu003eWeber Spirit 310 Vs 315: Size Comparisonu003cbru003eu003c/strongu003eu003cbru003eThe major difference as far as size is concerned is the difference in weight between the two. While the Spirit 310 weighs 33 pounds, the 315 weighs 40 pounds. The difference isn't huge, but it's enough to notice if you've ever tried moving a heavier grill or lifting one that's too heavy. When comparing the two you'll want to consider this one.u003cbru003eu003cbru003eThe Weber Spirit 310 is slightly larger than the 315 as far as diameter goes, at 42 inches compared to 41 inches. So while it's not likely that you'll have a problem gripping it with your hands, it's still something to think about when you're moving the Weber around and lifting it repeatedly.u003cbru003eu003cbru003eu003cstrongu003eWeber Spirit 310 Vs 315: Price Comparisonu003cbru003eu003c/strongu003eu003cbru003ePerhaps how the Weber Spirit is slightly more expensive than the Weber Spirit 315 is notable. The 316 is just $19.95 less expensive at $449.95, but that's because the 310 doesn't have any significant unique features or extra functions versus the 315, it's simply more of a generalist model than a specialist.u003cbru003eu003cbru003eu003cstrongu003eWeber Spirit 310 Vs 315: The Bottom Lineu003cbru003eu003c/strongu003eu003cbru003eIf you're looking for a high-quality grill that is capable of cooking up some of the tastiest meals and steaks with ease, then the Spirit 310 or 315 should be among your top choices. Both Weber Spirit grills are designed to make outdoor grilling easy and simple while delivering impressive performance and proving to be reliable, durable as well as safe. One thing is for sure, both grills would make a great addition to any household.