Range Rover Sport was created in 2005.
http://www.fueleconomy.gov/ Between 12-20 mpg depending on speed and driving habits.
The difference is that the later is a SPORT.
Sport on the Range - 1935 was released on: USA: 29 November 1935
Taxi driving
Aggressive driving.
The cast of Sport on the Range - 1935 includes: Ted Husing as Himself Narrator
The 2008 Land-Rover Range-Rover-Sport has 32 valves.
The 2014 Land-Rover Range-Rover-Sport has 24 valves.
The 2008 Land-Rover Range-Rover-Sport has a V8 engine.
The 2007 Land-Rover Range-Rover-Sport has a V8 engine.
The 2010 Land-Rover Range-Rover-Sport has 32 valves.