They’re basically the same price, right? The way I look at it is, unless you really prefer the styling of the Sport, the Off-Road gives you more for your money. Including Multi-Terrain Select, which includes a sand mode you may find useful.
Lots of solar octane love here, but not surprised it’s not more popular in the “real world”. The kind of people who frequent car forums are exactly the kind of people who are more inclined to get an interesting colour.