Original sentence: (In terms of bhp/tonne the Boxster scores better because of its lighter weight.For the 2007 model year the base Boxster received a revised engine featuring VarioCam Plus to provide a 5 hp boost (245 hp; the same as the Cayman).In appearance the car remains very similar to the previous generation.Porsche claims that the 987 Boxster shares only 20% of its components with its predecessor, despite their being almost identical from the outside.The Boxster S engine was upgraded from 3.2L to 3.4L, resulting in the production of 15 more hp (295 hp; the same as the Cayman S).The Cayman series is derived from the 987.The most obvious styling change is to the headlights, which now have a profile similar to those of the Carrera GT, Porsche's midengined supercar.The most significant updates from the 986 series are in the interior, with a more prominent circular theme evident in the instrument cluster and cooling vents.These upgrades made the Boxster series and the Cayman series equivalent in terms of horsepower
Edited sentence: For the 2007 model year the base Boxster has received a revised engine featuring VarioCam Plus to provide a 5 hp boost (245 hp; the same as the Cayman).Porsche claims that the 987 Boxster shares only 20% of components with its predecessor, despite almost being twins from the outside.The Cayman series is based off the 987.The appearance of the car remains very similar to the previous generation.The most obvious styling change is the headlights which now have a profile similar to those of the Carrera GT, Porsche's midengined supercar.The most significant updates from the 986 series are with the vastly improved interior, with a more prominent circular theme evident in the instrument cluster and cooling vents.These upgrades made the Boxster series and the Cayman series equivalent in terms of horsepower (In terms of bhp/tonne the Boxster scores better with its lighter weight).While the Boxster S engine was upgraded from 3.2L to 3.4L resulting in 15 more hp (295 hp; the same as the Cayman S)