However, the performance SUVs are currently on sale, and customers will soon benefit from a number of brand new design and technology features.
Land Rover has revealed that the new vehicles will include customer-focused driver assistance technology, including Traffic Sign Recognition, Lane Departure Warning and Perpendicular Park.
Furthermore, the Land Rover's InControl connectivity system will help keep drivers and passengers in touch with their world, according to the manufacturer.
InControl allows the driver to connect the vehicle with a smartphone, with apps to check the lock status of the car, as well as fuel and washer fluid levels, and tyre pressures.
Other features will see the car come with WiFi connectability for passengers, with 3G and WiFi antennas connecting to hotspots, providing high-quality internet access.
The Range Rover Sport model will include a 4.4 SDV8 engine, with a revised intake system including twin-intercoolers, a new sump, new cast alloy engine mounts and optimised calibration.
John Edwards, Land Rover global brand director, said: "The addition of the powerful and efficient SDV8 diesel to the Range Rover Sport line-up and yet more exciting new customer-focused technologies to both the Range Rover and Range Rover Sport for 2014, further underlines their position as two of the most desirable SUVs on the market today."
According to Land Rover, the 339PS and the 700Nm torque will help to deliver uncompromising performance for a variety of driving and weather conditions.
The car can reach 62mph in 6.9 seconds and achieve a top-speed of 140mph (225km/h) if a Dynamic Pack is fitted.
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