We don't know why Maserati didn't build it from the beginning.
The Maserati Levante is currently available with a 3.0-liter twin-turbo V6. This engine comes in 345 and 424 horsepower versions. And while they aren't exactly slow, many had hoped that Maserati would build a Levante with a bit more oomph. The most powerful Quattroporte, which shares a platform with the Levante, comes with a 523-horsepower, twin-turbo 3.8-liter V8. So, does Maserati have any plans to put this more powerful V8 into its Levante SUV? The short answer is, YOU BET!
However, the question is, will the V8 even fit into the Levante? Talking to Autoblog, Davide Danesin, the head of Maserati vehicle programs said "Yes, it fits, and we have a prototype already." Maserati wouldn't go to the trouble of building a prototype if it wasn't pretty serious about building this car. It may be tough to sell a large amount of such a niche vehicle, but models like the Cayenne Turbo, X5M, Range Rover Sport SVR and upcoming Grand Cherokee TrackHawk all show that there is a market for stupidly fast SUVs. Although we still don't understand the appeal of these cars, we definitely would not say no to a Ferrari-powered SUV. Talk about cool!