Autonomous vehicle will give you the best solution for target's arena and target vehicles.
This kit is one of several kits from "Rogat Engineering" that will give you the ability to convert any regular vehicle to an autonomous vehicle.
The “AVC100” (Autonomous Vehicle Control Kit) developed  by “Rogat Engineering”, is a kit for converting a regular vehicle to an autonomous vehicle.
This kit designed to work in an autonomous echo system that includes: control box, long distance communication kit (UBIQUITI, MikroTik) remote control station high resolution independent camera station.
 
CAPABILITIES
• Integrates with “Mission Planner” - a Ground Control Station GUI for invoking a pre loaded mission
• WIFI Communication channel for short/long range remote control
• “ArduPilot” based for autonomous navigation (e.g. Obstacles Avoidance)
• Includes a PC companion for Autonomous tasks
• A Safety channel for automatically or manually powering off the vehicle
• A Vision channel for video streaming
• Supports GPS and Non-GPS navigation
• Customized solutions