GTA 5 Benefactor XLS converted and edited to GTA San Andreas by M4k3.
Original model and textures: Rockstar Games.

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Converter's website: http://m4k3place.blogspot.com/
Converter's email: T-S-R@hotmail.com
Converter's skype: makc231
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By downloading the modification you agree to the following terms and conditions:
This modification can be uploaded anywhere on the Internet if the authors of the modification are mentioned correctly.
This modification can be edited (model is unlocked and TXD can be opened with Magic.TXD) by anyone and uploaded anywhere if the authors of the modification are mentioned in both ReadMe and the website.
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This vehicle doesn't replace anything by default (It's an Add-On vehicle). Though, Huntley can be replaced.
Features:
-Custom collision, flat shadow. LOD is from GTA V.
-Custom settings.
-SAMP friendly (no sinking wheels, doesn't crash when tuned).
-GTA SA numberplates. Custom numberplate can be installed with paintjobs.
-Supports paintjobs with transparency (alpha channel).
-Armored version is included as paintjob.
-Realistic damages and materials.
-Supports ImVehFt (indicators, brake lights, reverse lights, fog lights, head lights and tail lights).
-Has petrol cap.
-Textures with mip-mapping.
-Tunable in TransFender.
-Holes and other model bugs present in the original model are fixed.

ImVehFt version features:
-Requires ImVehFt 2.1.1 (the lights + brake hubs and custom colors).
-Custom reflections (GFX Hack is required).
-4 car colors support (primary - body paint, secondary - body paint, tertiary - wheels, quaternary - windows tint).

SA styled version features:
-GTA SA styled reflections, scratches and lights.
-2 car colors support.
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If you have any questions regarding the installation, feel free to ask them in the comments section of GTAinisde, my blog, through the email or Skype.

How to install:
Use ModLoader or any IMG editor to install the dff and txd files.

Settings:

Add in Handling.cfg (or replace the Huntley string, rename "XLS" to "Huntley"):
XLS 2600.0 6000.0 2.7 0.0 0.0 -0.20 80 0.62 0.8 0.5 5 160.0 25.0 25.0 4 P 7.0 0.45 0 35.0 1.0 0.05 0.0 0.45 -0.21 0.45 0.3 0.44 0.35 40000 00002020 4404 0 1 0

Add in Vehicles.ide (change the 612 ID to any free ID, check the tutorial links in the "Links" section of the ReadMe file for more information):
612,	xls, 	xls, 	car,		XLS, 	XLS, 	null,	richfamily,		6,	7,	0,	-1, 0.90, 0.90,		0

Add in Carmods.dat (or replace the Huntley line, rename "xls" to "huntley"):
xls, bnt_b_sc_l, bntl_b_sq, exh_b_ts, exh_b_l, nto_b_l, nto_b_s, nto_b_tw, rf_b_sc_r, spl_b_mar_m, spl_b_bar_m, wg_l_b_ssk

Add in Carcols.dat (or replace the Huntley line, rename "xls" to "huntley"):
xls, 20,20, 22,22, 24,24, 60,60, 53,36, 74,76, 81,36, 89,109

Add in vehicleAudioSettings.cfg (or gtasa_vehicleAudioSettings.cfg - part of fastman92 limit adjuster): 
xls                                     0             99     98     0         0.78         1.0          7         1.0          2           0          11         0           0                 0.0

Add "xls" in the following lists in cargrp.dat:
# POPCYCLE_GROUP_BUSINESS
# POPCYCLE_GROUP_CASUAL_RICH

Create new .fxt file in "GTA San Andreas\cleo\cleo_text" folder and add ONE of the following lines in it (or add in existing one):
XLS Benefactor_XLS 
XLS XLS

ImVehFt version: 
Copy ImVehFt folder to your game folder. 
.ivfc files must be in "GTA San Andreas\ImVehFt\Colors",
.eml files must be in "GTA San Andreas\ImVehFt\eml".
DO NOT FORGET TO EDIT THOSE FILES (you need to input the vehicle ID yourself)!

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Links:
Download the latest ImVehFt (IVF) by DK22Pac: http://gtaforums.com/topic/528175-improved-vehicle-features/
Download GFXHack by Alexander Blade here: http://www.dev-c.com/ (Click on GTA SA and then find GFX Hack)
Download fastman92 limit adjuster (it's required to add new vehicles): http://fastman92.ml

Tutorial "How to add new cars without replacing" by Junior_Djjr: http://gtaforums.com/topic/832297-satut-how-to-add-new-cars-without-replacing/
Tutorial "Add really new vehicles" by Automan: http://gtaforums.com/topic/753344-satuttoo-add-really-new-vehicles/

Color & paintjob selector by Sebrilia  (to change all 4 car colors, install the 5th paintjob): http://www.gtainside.com/en/sanandreas/mods/81464-colors-paintjobs-selector/
Some of the custom numberplates: https://drive.google.com/folderview?id=0B5O2exzORxVTSjQ5Q0NYa0lfM0E&usp=sharing