diff --git a/source/packages/plg_system_mokosuiteauto/language/en-GB/plg_system_mokosuiteauto.ini b/source/packages/plg_system_mokosuiteauto/language/en-GB/plg_system_mokosuiteauto.ini
new file mode 100644
index 0000000..1452959
--- /dev/null
+++ b/source/packages/plg_system_mokosuiteauto/language/en-GB/plg_system_mokosuiteauto.ini
@@ -0,0 +1,2 @@
+PLG_SYSTEM_MOKOSUITEAUTO="System - MokoSuite Auto"
+PLG_SYSTEM_MOKOSUITEAUTO_DESC="Auto dealership management — VIN inventory, deals, F&I, trade-ins, test drives, financing, service department."
diff --git a/source/packages/plg_system_mokosuiteauto/language/en-GB/plg_system_mokosuiteauto.sys.ini b/source/packages/plg_system_mokosuiteauto/language/en-GB/plg_system_mokosuiteauto.sys.ini
new file mode 100644
index 0000000..1452959
--- /dev/null
+++ b/source/packages/plg_system_mokosuiteauto/language/en-GB/plg_system_mokosuiteauto.sys.ini
@@ -0,0 +1,2 @@
+PLG_SYSTEM_MOKOSUITEAUTO="System - MokoSuite Auto"
+PLG_SYSTEM_MOKOSUITEAUTO_DESC="Auto dealership management — VIN inventory, deals, F&I, trade-ins, test drives, financing, service department."
diff --git a/source/packages/plg_system_mokosuiteauto/mokosuiteauto.xml b/source/packages/plg_system_mokosuiteauto/mokosuiteauto.xml
new file mode 100644
index 0000000..5a34724
--- /dev/null
+++ b/source/packages/plg_system_mokosuiteauto/mokosuiteauto.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<extension type="plugin" group="system" method="upgrade">
+	<name>System - MokoSuite Auto</name>
+	<element>mokosuiteauto</element>
+	<author>Moko Consulting</author>
+	<creationDate>2026-06-22</creationDate>
+	<copyright>Copyright (C) 2026 Moko Consulting. All rights reserved.</copyright>
+	<license>GPL-3.0-or-later</license>
+	<authorEmail>hello@mokoconsulting.tech</authorEmail>
+	<authorUrl>https://mokoconsulting.tech</authorUrl>
+	<version>01.00.00</version>
+	<php_minimum>8.3</php_minimum>
+	<description>PLG_SYSTEM_MOKOSUITEAUTO_DESC</description>
+	<namespace path="src">Moko\Plugin\System\MokoSuiteAuto</namespace>
+	<files>
+		<folder>src</folder>
+		<folder>services</folder>
+		<folder>language</folder>
+		<folder>sql</folder>
+	</files>
+	<languages folder="language">
+		<language tag="en-GB">en-GB/plg_system_mokosuiteauto.ini</language>
+		<language tag="en-GB">en-GB/plg_system_mokosuiteauto.sys.ini</language>
+	</languages>
+	<install><sql><file driver="mysql" charset="utf8">sql/install.mysql.sql</file></sql></install>
+	<uninstall><sql><file driver="mysql" charset="utf8">sql/uninstall.mysql.sql</file></sql></uninstall>
+	<config>
+		<fields name="params">
+			<fieldset name="basic" label="Inventory">
+				<field name="aging_threshold" type="number" default="60" label="Aging Threshold (days)" />
+				<field name="default_commission_type" type="list" default="flat" label="Default Commission Type">
+					<option value="flat">Flat Fee</option>
+					<option value="graduated">Graduated %</option>
+				</field>
+			</fieldset>
+			<fieldset name="financing" label="Financing">
+				<field name="default_apr" type="number" default="5.9" label="Default APR %" step="0.1" />
+				<field name="financing_terms" type="text" default="24,36,48,60,72,84" label="Available Terms (months, comma-separated)" />
+			</fieldset>
+			<fieldset name="service" label="Service Department">
+				<field name="ro_types" type="text" default="repair,maintenance,warranty,recall,inspection" label="RO Types (comma-separated)" />
+			</fieldset>
+		</fields>
+	</config>
+</extension>
diff --git a/source/packages/plg_system_mokosuiteauto/services/provider.php b/source/packages/plg_system_mokosuiteauto/services/provider.php
new file mode 100644
index 0000000..0e1a208
--- /dev/null
+++ b/source/packages/plg_system_mokosuiteauto/services/provider.php
@@ -0,0 +1,27 @@
+<?php
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Extension\PluginInterface;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Plugin\PluginHelper;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+use Joomla\Event\DispatcherInterface;
+use Moko\Plugin\System\MokoSuiteAuto\Extension\Auto;
+
+return new class implements ServiceProviderInterface
+{
+	public function register(Container $container): void
+	{
+		$container->set(
+			PluginInterface::class,
+			function (Container $container) {
+				$dispatcher = $container->get(DispatcherInterface::class);
+				$plugin     = new Auto($dispatcher, (array) PluginHelper::getPlugin('system', 'mokosuiteauto'));
+				$plugin->setApplication(Factory::getApplication());
+				return $plugin;
+			}
+		);
+	}
+};
diff --git a/source/packages/plg_system_mokosuiteauto/sql/install.mysql.sql b/source/packages/plg_system_mokosuiteauto/sql/install.mysql.sql
new file mode 100644
index 0000000..d959ce2
--- /dev/null
+++ b/source/packages/plg_system_mokosuiteauto/sql/install.mysql.sql
@@ -0,0 +1,152 @@
+--
+-- MokoSuite Auto Tables
+--
+
+CREATE TABLE IF NOT EXISTS `#__mokosuiteauto_vehicles` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `vin` CHAR(17) NOT NULL,
+  `stock_number` VARCHAR(20) NOT NULL DEFAULT '',
+  `year` SMALLINT UNSIGNED NOT NULL,
+  `make` VARCHAR(100) NOT NULL,
+  `model` VARCHAR(100) NOT NULL,
+  `trim_level` VARCHAR(100) NOT NULL DEFAULT '',
+  `body_style` VARCHAR(50) NOT NULL DEFAULT '',
+  `exterior_color` VARCHAR(50) NOT NULL DEFAULT '',
+  `interior_color` VARCHAR(50) NOT NULL DEFAULT '',
+  `engine` VARCHAR(100) NOT NULL DEFAULT '',
+  `transmission` ENUM('automatic','manual','cvt') NOT NULL DEFAULT 'automatic',
+  `drivetrain` ENUM('fwd','rwd','awd','4wd') NOT NULL DEFAULT 'fwd',
+  `mileage` INT UNSIGNED NOT NULL DEFAULT 0,
+  `condition_type` ENUM('new','used','certified') NOT NULL DEFAULT 'used',
+  `status` ENUM('in_transit','on_lot','sold','wholesale','trade_pending') NOT NULL DEFAULT 'on_lot',
+  `invoice_price` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `list_price` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `internet_price` DECIMAL(12,2) DEFAULT NULL,
+  `reconditioning_cost` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
+  `lot_date` DATE DEFAULT NULL,
+  `sold_date` DATE DEFAULT NULL,
+  `notes` TEXT,
+  `created` DATETIME NOT NULL,
+  `modified` DATETIME DEFAULT NULL,
+  `created_by` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `idx_vin` (`vin`),
+  KEY `idx_stock` (`stock_number`),
+  KEY `idx_status` (`status`),
+  KEY `idx_condition` (`condition_type`),
+  KEY `idx_make_model` (`make`, `model`),
+  KEY `idx_lot_date` (`lot_date`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS `#__mokosuiteauto_deals` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `vehicle_id` INT UNSIGNED NOT NULL,
+  `buyer_contact_id` INT NOT NULL,
+  `salesperson_id` INT DEFAULT NULL,
+  `fi_manager_id` INT DEFAULT NULL,
+  `sale_price` DECIMAL(12,2) NOT NULL,
+  `trade_allowance` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `trade_payoff` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `down_payment` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `financed_amount` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `apr` DECIMAL(5,2) DEFAULT NULL,
+  `term_months` INT UNSIGNED DEFAULT NULL,
+  `monthly_payment` DECIMAL(10,2) DEFAULT NULL,
+  `front_gross` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `back_gross` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `total_gross` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `status` ENUM('prospect','negotiating','pending_finance','approved','delivered','unwound') NOT NULL DEFAULT 'prospect',
+  `deal_number` VARCHAR(20) NOT NULL DEFAULT '',
+  `created` DATETIME NOT NULL,
+  `modified` DATETIME DEFAULT NULL,
+  `delivered_at` DATETIME DEFAULT NULL,
+  `created_by` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`),
+  KEY `idx_vehicle` (`vehicle_id`),
+  KEY `idx_buyer` (`buyer_contact_id`),
+  KEY `idx_salesperson` (`salesperson_id`),
+  KEY `idx_status` (`status`),
+  KEY `idx_deal_number` (`deal_number`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS `#__mokosuiteauto_fi_products` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `deal_id` INT UNSIGNED NOT NULL,
+  `product_name` VARCHAR(255) NOT NULL,
+  `cost` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
+  `price` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
+  `profit` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
+  `term_months` INT UNSIGNED DEFAULT NULL,
+  `created` DATETIME NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_deal` (`deal_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS `#__mokosuiteauto_tradeins` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `deal_id` INT UNSIGNED DEFAULT NULL,
+  `vin` CHAR(17) NOT NULL DEFAULT '',
+  `year` SMALLINT UNSIGNED DEFAULT NULL,
+  `make` VARCHAR(100) NOT NULL DEFAULT '',
+  `model` VARCHAR(100) NOT NULL DEFAULT '',
+  `mileage` INT UNSIGNED NOT NULL DEFAULT 0,
+  `condition_grade` ENUM('excellent','good','fair','poor') NOT NULL DEFAULT 'good',
+  `appraisal_value` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `payoff_amount` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `equity` DECIMAL(12,2) NOT NULL DEFAULT 0.00,
+  `status` ENUM('pending_review','approved','applied','rejected') NOT NULL DEFAULT 'pending_review',
+  `owner_contact_id` INT DEFAULT NULL,
+  `appraised_by` INT DEFAULT NULL,
+  `notes` TEXT,
+  `created` DATETIME NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_deal` (`deal_id`),
+  KEY `idx_vin` (`vin`),
+  KEY `idx_status` (`status`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS `#__mokosuiteauto_test_drives` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `vehicle_id` INT UNSIGNED NOT NULL,
+  `contact_id` INT NOT NULL,
+  `salesperson_id` INT DEFAULT NULL,
+  `scheduled_at` DATETIME NOT NULL,
+  `started_at` DATETIME DEFAULT NULL,
+  `ended_at` DATETIME DEFAULT NULL,
+  `mileage_out` INT UNSIGNED DEFAULT NULL,
+  `mileage_in` INT UNSIGNED DEFAULT NULL,
+  `status` ENUM('scheduled','in_progress','completed','cancelled','no_show') NOT NULL DEFAULT 'scheduled',
+  `notes` TEXT,
+  `created` DATETIME NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_vehicle` (`vehicle_id`),
+  KEY `idx_contact` (`contact_id`),
+  KEY `idx_date` (`scheduled_at`),
+  KEY `idx_status` (`status`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS `#__mokosuiteauto_service_orders` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `ro_number` VARCHAR(20) NOT NULL DEFAULT '',
+  `vin` CHAR(17) NOT NULL DEFAULT '',
+  `contact_id` INT DEFAULT NULL,
+  `advisor_id` INT DEFAULT NULL,
+  `technician_id` INT DEFAULT NULL,
+  `type` ENUM('repair','maintenance','warranty','recall','inspection') NOT NULL DEFAULT 'repair',
+  `concern` TEXT,
+  `diagnosis` TEXT,
+  `resolution` TEXT,
+  `parts_total` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
+  `labor_total` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
+  `total` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
+  `status` ENUM('open','in_progress','waiting_parts','completed','invoiced') NOT NULL DEFAULT 'open',
+  `opened_at` DATETIME NOT NULL,
+  `completed_at` DATETIME DEFAULT NULL,
+  `created` DATETIME NOT NULL,
+  `created_by` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`),
+  KEY `idx_ro` (`ro_number`),
+  KEY `idx_vin` (`vin`),
+  KEY `idx_contact` (`contact_id`),
+  KEY `idx_status` (`status`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
diff --git a/source/packages/plg_system_mokosuiteauto/sql/uninstall.mysql.sql b/source/packages/plg_system_mokosuiteauto/sql/uninstall.mysql.sql
new file mode 100644
index 0000000..60b7a9d
--- /dev/null
+++ b/source/packages/plg_system_mokosuiteauto/sql/uninstall.mysql.sql
@@ -0,0 +1,10 @@
+--
+-- MokoSuite Auto — Uninstall
+--
+
+DROP TABLE IF EXISTS `#__mokosuiteauto_service_orders`;
+DROP TABLE IF EXISTS `#__mokosuiteauto_test_drives`;
+DROP TABLE IF EXISTS `#__mokosuiteauto_tradeins`;
+DROP TABLE IF EXISTS `#__mokosuiteauto_fi_products`;
+DROP TABLE IF EXISTS `#__mokosuiteauto_deals`;
+DROP TABLE IF EXISTS `#__mokosuiteauto_vehicles`;
diff --git a/source/packages/plg_system_mokosuiteauto/src/Extension/Auto.php b/source/packages/plg_system_mokosuiteauto/src/Extension/Auto.php
new file mode 100644
index 0000000..fea2ba7
--- /dev/null
+++ b/source/packages/plg_system_mokosuiteauto/src/Extension/Auto.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Moko\Plugin\System\MokoSuiteAuto\Extension;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Plugin\CMSPlugin;
+use Joomla\Event\SubscriberInterface;
+
+class Auto extends CMSPlugin implements SubscriberInterface
+{
+	protected $autoloadLanguage = true;
+
+	public static function getSubscribedEvents(): array
+	{
+		return [];
+	}
+}