Vapid Venus (Vapid Interceptor v2 civillian) from GTA V converted to GTA San Andreas and edited by M4k3.
Original model and textures: Rockstar Games.

http://m4k3place.blogspot.com/

For GGMM users:
If there are problems with textures in GGMM ignore them. It works perfectly ingame.

Features:
-Replaces Elegant by default.
-Custom collision, LOD and flat shadow.
-GTA SA styled reflections.
-Custom settings.
-SA numberplates (work correctly).
-Damageable parts with scratches.
-ImVehFt version: ImVehFt 2.1.1 support, Active Dashboard support (speedometer, tachometer, fuel and temperature gauges, digital odometer and digital clock) (optional), 3 car colours support (body/-/wheels/windows tint), detailed interior.
-GTA SA styled version: ImVehFt support (optional), lower DFF and TXD sizes, SA styled lights, scratches, unlocked TXD.
-Template for paintjobs.
-Tuning parts support (doesn't crash if you install any part in TransFender)
-Works in SAMP.
-Textures with mipmapping.
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Links:

Download the latest ImVehFt (IVF): http://vol-gta.com/forum/46-1719-1 or http://gtaforums.com/topic/528175-improved-vehicle-features/
Download Active Dashboard 3.2.1 by izerli: http://www.libertycity.ru/user/izerli/files/

I recommend using ModLoader to install the modification: 

Download ModLoader by LINK/2012: http://www.gtagarage.com/mods/show.php?id=25377

PS2 reflections mod by The Hero (SkyGfx) was used in the screenshots:
http://gtaforums.com/topic/750681-relsa-skygfx-ps2-graphics-for-pc/
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How to install:
Use ModLoader or any IMG editor to install dff and txd files.

(ImVehFt 2.1.1 and newer versions) - 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".

Settings (just open the files with notepad, find original line and edit it):

Handling.cfg:
ELEGANT 1600.0 4500.0 1.8 0.0 0.3 -0.1 75 0.72 0.75 0.48 5 170.0 20.6 12.0 R P 6.0 0.55 0 30.0 1.1 1.0 0.0 0.12 -0.1 0.5 0.3 0.2 0.30 35000 40002000 01600000 0 1 0

Vehicles.ide:
507, 	elegant, 	elegant, 	car, 		ELEGANT, 	ELEGANT, 	null,	normal,		10, 	0,	0,		-1, 0.7, 0.7,		0

Carcols.dat:
car4
elegant, 33,33,118,51, 115,115,118,51, 53,53,118,51, 62,62,118,51, 7,7,118,51, 10,10,118,51, 39,39,118,51, 55,55,118,51

Vehsets.dat (if you have Active Dashboard mod and use ImVehFt version):
507        1.0   1.4        1.7          1.4           0.87    0.8       0.0       1.0    1.0         1.0          0.0     0.0         0.0        0.0         0.0