Complex sentence: The Rover 75 is an executive car produced by British automobile manufacturer Rover Group at Cowley, Oxfordshire, and later by MG Rover at their Longbridge site in Birmingham.
Split into simpler sentences: The Rover 75 is an executive car produced by British automobile manufacturer Rover Group at, and later by MG Rover at their. After Rover Group's sale, the Rover 75 was built by MG Rover Group at their Longbridge site in Birmingham.