D4 is a revision of D3 created to underpin the Ford Flex and Lincoln MKT crossover SUVs.
Current D4 vehicles:
- 2009– Ford Flex crossover SUV — D471
- 2010– Lincoln MKT crossover SUV — D472
- 2011– Ford Explorer — U502
D4 based concepts:
- 2008 Explorer America crossover SUV
- 2008 Lincoln MKT luxury crossover SUV
Read more about this topic: Ford D3 Platform