Complex sentence: The Porsche was closer in specification to the Jaguar, it featured four-wheel drive and a luxurious interior, the Ferrari featured rear-wheel drive and a very basic interior, free from carpets, door handles and a stereo.
Split into simpler sentences: The Porsche was closer in specification to the Jaguar, featuring four-wheel drive and a luxurious interior. By comparison the rear-wheel drive Ferrari had a very basic interior, free from carpets, door handles and a stereo.