Complex sentence: According to Frohnmayer, Generation 6 SRK, revealed in April 2012, was to be the pilot with 14 vehicles produced, 10 of which already had committed purchasers, then the pilot run had been increased to 40 units, sold for $41,000 each.
Split into simpler sentences: According to Frohnmayer generation 6 will be the pilot with 14 vehicles produced, 10 of which already have committed purchasers. The Gen6 SRK was revealed in April 2012, at which time the pilot run had been increased to 40 units, sold for $41,000 each.