v1.1 changes:

-Reduced suspension bounce on most cars
-Reduced oversteering on FWD cars
-Corrected oversteering/understeering on most RWD cars
-Lowered center of gravity on most SUVs to reduce rollovers
-Slightly corrected suspension limits on some cars
-Increased tire grip on most bikes
-Reduced fishtailing on bikes
-FIB Buffalo, NOOSE Cruiser, NOOSE Patriot, Police Cruiser, Police Patrol - increased tire grip, increased power, lowered center of gravity, improved brakes
-Presidente, Stretch - reduced deformation damage

v1.2 changes:

-Increased body roll for most vehicles
-Reduced power for most vehicles. The least powerful versions of real cars were used as the basis
-Reduced top speed of supercars, sports cars and sports bikes, because it doesn't fit well into GTA 4 small map
-Braking distance has been reduced for SUVs and some cars
-Brake balance of many cars was shifted forward for more realistic braking behavior
-Weight of some vehicles has been changed to match their real-life counterparts
-Reduced suspension bounce on some cars
-Slightly corrected center of gravity on some vehicles
-Slightly corrected understeer/oversteer balance on some cars
-Corrected suspension limits on some vehicles
-Tire grip has been corrected for most bikes
-Adjusted understeer/oversteer balance on bikes
-Braking distance for TLaD bikes has been reduced
-The suspension of some trucks has been made stiffer
-The number of gears has been changed on most trucks
-DF8-90, Esperanto, Roman's Taxi the drivetrain has been changed to RWD
