Tried a bit or searching to see if there was any information about the Ren-X vehicles but found none
So here is some basic information about most of the Ren-X Vehicles. (Correct me if anythings wrong)
GDI Vehicles
Humm-Vee
Cost: 350
Armour: 300
Primary Weapon: Machine Gun
Short Key: 1
Seats: 2
Humm-Vees are excellent for fast transport across dangerous terrain.
The mounted machine gun is effective against infantry targets,
but the light armor is not good for tank engagements.
GDI APC
Cost: 500
Armour: 600
Primary Weapon: Machine Gun
Short Key: 2
Seats: 4
Maneuverable and well-armored, the GDI APC transports infantry across the battlefield quickly.
The mounted machine gun is effective against infantry, but is poor against tanks.
Mobile Rocket Launcher System
Cost: 450
Armour: 400
Primary Weapon: 227mm Rockets x6
Short Key: 3
Seats: 2
The MRLS is effective at destroying vehicles and structures at long ranges.
These vehicles are poor in close combat.
The MRLS's Rockets have a Target locking ability.
Medium Tank
Cost: 800
Armour: 800
Primary Weapon: 120mm Cannon
Short Key: 4
Seats: 2
The Medium Tank comes equipped with a heavy-caliber barrel and moderate armor.
It is less maneuverable than the Nod Light Tank, but has more firepower.
Mammoth Tank
Cost: 1500
Armour: 1200
Primary Weapon: 120mm Dual Cannons
Secondary Weapon: Mammoth Tusk Missiles
Short Key: 5
Seats: 2
The heaviest vehicle on the battlefield next to the Harvester,
the Mammoth tank has two heavy-caliber barrels, and missiles.
The lack of maneuverability is compensated by heavy armor.
NOD Vehicles
NOD Buggy
Cost: 300
Armour: 300
Primary Weapon: Machine Gun
Short Key: 1
Seats: 2
The Nod Buggy is one of NOD's fastest units,
equipped with a machine gun it can do minimal damage to vehicles,
but excels in dealing with enemy infantry.
NOD APC
Cost: 500
Armour: 600
Primary Weapon: Machine Gun
Short Key: 2
Seats: 4
Maneuverable and well-armored, the NOD APC transports infantry across the battlefield quickly.
The mounted machine gun is effective against infantry, but is poor against tanks.
Mobile Artillery
Cost: 450
Armour: 400
Primary Weapon: 155mm Cannon
Short Key: 3
Seats: 2
The Mobile Artillery can destroy enemies from afar
or to destroy enemy structures outside the range of the bases defenses.
Its weakness is in close combat because its armor isn't very strong, protect it well.
Flame Tank
Cost: 800
Armour: 800
Primary Weapon: Dual Flamethrowers
Short Key: 4
Seats: 2
The Nod Flame Tank can easily destroy enemy vehicles, infantry and structures.
Its main weakness its range, as it is very easy to destroy on open plains.
Light Tank
Cost: 600
Armour: 600
Primary Weapon: 75mm Cannon
Short Key: 5
Seats: 2
The Light Tank is a fast unit with light armor
but its firepower makes up for what it lacks in armor.
Stealth Tank
Cost: 900
Armour: 400
Primary Weapon: Dragon TOW Rockets x2
Short Key: 6
Seats: 1
The Stealth Tank is equipped with Missile Launchers
and a Lazuraus Shield which masks the tanks appearance.
However tire tracks and engine noise can still be seen also watch for wavy lines,
these are all signs a stealth unit is near. They are best used in surprise attacks.