Up to £4000 discount plus £5000 grant seems to be available.
http://www.autoebid.com/buy-new-cars/MITSUBISHI/OUTLANDER/2.0-PHEV-GX4h-5d-Auto/59072.asp
http://www.new-car-discount.com/car/mitsubishi/outlander-estate/4x4/petrol-plugin-elec-hybrid/automatic/2.0-phev-gx4h-5dr-auto/14/
http://www.autoebid.com/buy-new-cars/MITSUBISHI/OUTLANDER/2.0-PHEV-GX4h-5d-Auto/59072.asp
http://www.new-car-discount.com/car/mitsubishi/outlander-estate/4x4/petrol-plugin-elec-hybrid/automatic/2.0-phev-gx4h-5dr-auto/14/