Guys,
finally i found something after hours of googling. thought of sharing it with all of the Forum members,
"4DR6 turbo direct injection engine is derived from 4DR5 2.7 Liter naturally aspirated engine. The head is modified to whirlpool type combustion chamber for direct injection system (Compression ratio 17.5) to produce maximum power, torque and fuel efficiency of 15.5km/liter or 36.6 miles / US gallon. Turbo is a Mitsubishi Heavy Industries waste gate equipped TD04 type turbocharger."
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Thanks guys for helping me out..