The car has run 33000 KMS. Single Owner.

LX l means a petrol engine.. l dont get it why r u goin for petrol engin whn u have diesel engine in option
look l m an automobile engg. so l would suggest u to go for diesel engine and from showroom.
although u want it then it shd not cost u more than 4.75 lakhs-5 lakhs

it also depends on many things which u are not able to detect which an automobile engg can detect ok.

Price evaluation of your car
Model: Swift Lxi Condition Details
Good condition means that the vehicle is free of any major defects. The paint, body and interior have only minor damages, and there are no major mechanical problems. The tires have more than 50% tread left.
City: MAHARASHTRA
Kms Run: 33000
Car Condition: Good
The value of car based on our assessment is Rs. 325,500.00 *

if d conditn is good thn arnd 3lacs