The Porsche Panamera (above) will have a smaller sibling. Porsche is planning to add a mid-size four-door to its lineup. Internally referred to as Pajun, as in Panamera Junior, the low-slung hatchback sedan will be based on Audi’s MLB platform—just like the upcoming Macan crossover SUV. Priced between $60,000 and $100,000, the new four-door will [...]