Replace with any car you want copy and replace from <fMass value="1864.000000" /> line to end 

<Item type="CHandlingData">
      <handlingName>CAVCADE</handlingName>
      <fMass value="1864.000000" />
      <fInitialDragCoeff value="1.730000" />
      <fPercentSubmerged value="85.0" />
      <vecCentreOfMassOffset x="0" y="0.0" z="0.0" />
      <vecInertiaMultiplier x="1.3" y="1.3" z="1.45" />
      <fDriveBiasFront value="0.2" />
      <nInitialDriveGears value="4" />
      <fInitialDriveForce value="0.190500" />
      <fDriveInertia value="1.0" />
      <fClutchChangeRateScaleUpShift value="1.400000" />
      <fClutchChangeRateScaleDownShift value="1.800000" />
      <fInitialDriveMaxFlatVel value="124.000000" />
      <fBrakeForce value="0.6" />
      <fBrakeBiasFront value="0.55" />
      <fHandBrakeForce value="0.6" />
      <fSteeringLock value="40.000000" />
      <fTractionCurveMax value="2.550000" />
      <fTractionCurveMin value="2.450000" />
      <fTractionCurveLateral value="22.500000" />
      <fTractionSpringDeltaMax value="0.150000" />
      <fLowSpeedTractionLossMult value="0.000000" />
      <fCamberStiffnesss value="0.000000" />
      <fTractionBiasFront value="0.450000" />
      <fTractionLossMult value="1.000000" />
      <fSuspensionForce value="1.800000" />
      <fSuspensionCompDamp value="0.900000" />
      <fSuspensionReboundDamp value="0.900000" />
      <fSuspensionUpperLimit value="0.15" />
      <fSuspensionLowerLimit value="-0.18" />
      <fSuspensionRaise value="0.0" />
      <fSuspensionBiasFront value="0.46" />
      <fAntiRollBarForce value="0.0" />
      <fAntiRollBarBiasFront value="0.52" />
      <fRollCentreHeightFront value="0.31" />
      <fRollCentreHeightRear value="0.31" />
      <fCollisionDamageMult value="0.700000" />
      <fWeaponDamageMult value="0.900000" />
      <fDeformationDamageMult value="0.700000" />
      <fEngineDamageMult value="1.200000" />
      <fPetrolTankVolume value="70.0" />
      <fOilVolume value="6.5" />
      <fSeatOffsetDistX value="0.2" />
      <fSeatOffsetDistY value="0.0" />
      <fSeatOffsetDistZ value="0.0" />
      <nMonetaryValue value="25000" />
      <strModelFlags>440010</strModelFlags>
      <strHandlingFlags>0</strHandlingFlags>
      <strDamageFlags>0</strDamageFlags>
      <AIHandling>AVERAGE</AIHandling>
      <SubHandlingData>
        <Item type="NULL" />
        <Item type="NULL" />
        <Item type="NULL" />
      </SubHandlingData>
    </Item>