Improving fuel efficiency in a Range Rover Sport Engine can be beneficial for both saving money and reducing environmental impact. Here are some tips to help you get the most out of each gallon of fuel:

1. Regular Maintenance:

   • Engine Tune-Up: Keep the engine in good shape with regular tune-ups, including checking and replacing spark plugs and air filters.
   • Oil Changes: Use the recommended oil type and change it at the intervals specified in the owner's manual.
   • Fluid Levels: Ensure that all fluids (transmission, coolant, brake) are at appropriate levels and in good condition.

2. Proper Tire Maintenance:

   • Tire Pressure: Check and maintain proper tire pressure as specified in your vehicle’s manual. Under-inflated tires can increase fuel consumption.
   • Alignment: Ensure your wheels are properly aligned. Misalignment can cause uneven tire wear and lower fuel efficiency.

3. Driving Habits:

   • Smooth Acceleration and Braking: Avoid rapid acceleration and heavy braking. Smooth driving improves fuel efficiency.
   • Cruise Control: Use cruise control on highways to maintain a steady speed and improve fuel economy.
   • Avoid Idling: Turn off the engine if you’re parked for more than a minute or two. Idling consumes fuel unnecessarily.

4. Weight Management:

   • Reduce Excess Weight: Remove unnecessary items from the vehicle. Extra weight can reduce fuel efficiency.
   • Roof Racks and Carriers: Remove roof racks or carriers when not in use, as they can create additional aerodynamic drag.

5. Aerodynamics:

   • Windows and Sunroof: Keep windows and sunroof closed at high speeds to reduce aerodynamic drag.
   • Air Conditioning: Use air conditioning sparingly. It can put extra load on the engine, affecting fuel efficiency.

6. Fuel Quality:

   • Use Recommended Fuel: Use the fuel type recommended by the manufacturer. Higher octane fuel than required does not improve efficiency.
   • Fuel Additives: Some fuel additives claim to improve efficiency. Research their effectiveness and use them if recommended.

7. Efficient Routes:

   • Plan Your Trips: Combine errands and plan routes to avoid backtracking. Short trips and stop-and-go traffic can reduce fuel efficiency.
   • Navigation Tools: Use GPS or navigation apps to avoid getting lost and to find the most efficient routes.

8. Engine Load:

   • Avoid Overloading: Don’t tow or carry more than the vehicle’s recommended load. Excess load increases fuel consumption.
   • Transmission: Ensure smooth shifting if driving a manual transmission. For automatic transmissions, ensure proper function and avoid unnecessary shifting.

By following these tips, you can improve the fuel efficiency of your Range Rover Sport, making your driving experience more economical and eco-friendly.