[chain rattle]

not that easy both are close to 1.5

your engine designation will be on the VIN plate

The difference is in the CC .

1468 cc is the 4g15 engine, uses a timing belt.

Mitsubishi Colt CZC 2006 RG [2006-2009] Convertible Convertible 1.5 Turbo 1468ccm 150HP 110KW (Petrol)

1499 cc is the 4a9 engine, uses a timing chain.