diff --git a/src/components/vehicle/types.ts b/src/components/vehicle/types.ts
new file mode 100644
index 00000000..c392da1a
--- /dev/null
+++ b/src/components/vehicle/types.ts
@@ -0,0 +1,442 @@
+/**
+ * 차량관리 공통 타입 정의
+ * DB 마이그레이션 스키마 기반 (corporate_vehicles, vehicle_logs, vehicle_maintenances)
+ */
+
+// ===== 차량 목록 (Corporate Vehicles) =====
+
+export type OwnershipType = 'corporate' | 'rent' | 'lease';
+export type VehicleStatus = 'active' | 'maintenance' | 'disposed';
+export type VehicleType = '승용차' | '승합차' | '화물차' | 'SUV';
+
+export interface CorporateVehicle {
+  id: number;
+  plateNumber: string;
+  model: string;
+  vehicleType: VehicleType;
+  ownershipType: OwnershipType;
+  year: number | null;
+  driver: string | null;
+  status: VehicleStatus;
+  mileage: number;
+  memo: string | null;
+  // 법인 전용
+  purchaseDate: string | null;
+  purchasePrice: number;
+  // 렌트/리스 전용
+  contractDate: string | null;
+  rentCompany: string | null;
+  rentCompanyTel: string | null;
+  rentPeriod: string | null;
+  agreedMileage: string | null;
+  vehiclePrice: number;
+  residualValue: number;
+  deposit: number;
+  monthlyRent: number;
+  monthlyRentTax: number;
+  insuranceCompany: string | null;
+  insuranceCompanyTel: string | null;
+  createdAt: string;
+  updatedAt: string;
+}
+
+// API 응답 (snake_case)
+export interface CorporateVehicleApi {
+  id: number;
+  plate_number: string;
+  model: string;
+  vehicle_type: string;
+  ownership_type: string;
+  year: number | null;
+  driver: string | null;
+  status: string;
+  mileage: number;
+  memo: string | null;
+  purchase_date: string | null;
+  purchase_price: number;
+  contract_date: string | null;
+  rent_company: string | null;
+  rent_company_tel: string | null;
+  rent_period: string | null;
+  agreed_mileage: string | null;
+  vehicle_price: number;
+  residual_value: number;
+  deposit: number;
+  monthly_rent: number;
+  monthly_rent_tax: number;
+  insurance_company: string | null;
+  insurance_company_tel: string | null;
+  created_at: string;
+  updated_at: string;
+}
+
+export function transformVehicleApi(api: CorporateVehicleApi): CorporateVehicle {
+  return {
+    id: api.id,
+    plateNumber: api.plate_number,
+    model: api.model,
+    vehicleType: api.vehicle_type as VehicleType,
+    ownershipType: api.ownership_type as OwnershipType,
+    year: api.year,
+    driver: api.driver,
+    status: api.status as VehicleStatus,
+    mileage: api.mileage,
+    memo: api.memo,
+    purchaseDate: api.purchase_date,
+    purchasePrice: api.purchase_price,
+    contractDate: api.contract_date,
+    rentCompany: api.rent_company,
+    rentCompanyTel: api.rent_company_tel,
+    rentPeriod: api.rent_period,
+    agreedMileage: api.agreed_mileage,
+    vehiclePrice: api.vehicle_price,
+    residualValue: api.residual_value,
+    deposit: api.deposit,
+    monthlyRent: api.monthly_rent,
+    monthlyRentTax: api.monthly_rent_tax,
+    insuranceCompany: api.insurance_company,
+    insuranceCompanyTel: api.insurance_company_tel,
+    createdAt: api.created_at,
+    updatedAt: api.updated_at,
+  };
+}
+
+export interface VehicleFormData {
+  plateNumber: string;
+  vehicleType: VehicleType | '';
+  ownershipType: OwnershipType | '';
+  model: string;
+  year: string;
+  // 법인: 취득일, 렌트/리스: 계약일자
+  purchaseDate: string;
+  contractDate: string;
+  // 법인: 구매처, 렌트/리스: 렌트회사명
+  rentCompany: string;
+  // 법인: 계약기간, 렌트/리스: 렌트기간
+  rentPeriod: string;
+  // 법인: 취득가(공급가), 렌트/리스: 월 렌트료(공급가)
+  purchasePrice: string;
+  monthlyRent: string;
+  monthlyRentTax: string;
+  rentCompanyTel: string;
+  agreedMileage: string;
+  vehiclePrice: string;
+  residualValue: string;
+  deposit: string;
+  mileage: string;
+  insuranceCompany: string;
+  insuranceCompanyTel: string;
+  driver: string;
+  status: VehicleStatus | '';
+  memo: string;
+}
+
+export const EMPTY_VEHICLE_FORM: VehicleFormData = {
+  plateNumber: '',
+  vehicleType: '',
+  ownershipType: '',
+  model: '',
+  year: '',
+  purchaseDate: '',
+  contractDate: '',
+  rentCompany: '',
+  rentPeriod: '',
+  purchasePrice: '',
+  monthlyRent: '',
+  monthlyRentTax: '',
+  rentCompanyTel: '',
+  agreedMileage: '',
+  vehiclePrice: '',
+  residualValue: '',
+  deposit: '',
+  mileage: '',
+  insuranceCompany: '',
+  insuranceCompanyTel: '',
+  driver: '',
+  status: '',
+  memo: '',
+};
+
+// 드롭다운용 차량 목록
+export interface VehicleDropdownItem {
+  id: number;
+  plateNumber: string;
+  model: string;
+}
+
+interface VehicleDropdownApi {
+  id: number;
+  plate_number: string;
+  model: string;
+}
+
+export function transformVehicleDropdown(api: VehicleDropdownApi): VehicleDropdownItem {
+  return {
+    id: api.id,
+    plateNumber: api.plate_number,
+    model: api.model,
+  };
+}
+
+// ===== 차량일지 (Vehicle Logs) =====
+
+export type TripType =
+  | 'commute_to'
+  | 'commute_from'
+  | 'business'
+  | 'personal'
+  | 'commute_round'
+  | 'business_round'
+  | 'personal_round';
+
+export type LocationType = 'home' | 'office' | 'client' | 'other';
+
+export const TRIP_TYPE_LABELS: Record<TripType, string> = {
+  commute_to: '출근',
+  commute_from: '퇴근',
+  business: '업무용',
+  personal: '비업무',
+  commute_round: '출퇴근(왕복)',
+  business_round: '업무(왕복)',
+  personal_round: '비업무(왕복)',
+};
+
+export const TRIP_TYPE_COLORS: Record<TripType, string> = {
+  commute_to: 'bg-green-100 text-green-700',
+  commute_from: 'bg-green-100 text-green-700',
+  business: 'bg-blue-100 text-blue-700',
+  personal: 'bg-gray-100 text-gray-700',
+  commute_round: 'bg-green-100 text-green-700',
+  business_round: 'bg-blue-100 text-blue-700',
+  personal_round: 'bg-gray-100 text-gray-700',
+};
+
+export const LOCATION_TYPE_LABELS: Record<LocationType, string> = {
+  home: '자택',
+  office: '회사',
+  client: '거래처',
+  other: '기타',
+};
+
+export interface VehicleLog {
+  id: number;
+  vehicleId: number;
+  logDate: string;
+  department: string | null;
+  driverName: string;
+  tripType: TripType;
+  departureType: LocationType;
+  departureName: string | null;
+  departureAddress: string | null;
+  arrivalType: LocationType;
+  arrivalName: string | null;
+  arrivalAddress: string | null;
+  distanceKm: number;
+  note: string | null;
+  // joined
+  vehicle?: VehicleDropdownItem;
+}
+
+export interface VehicleLogApi {
+  id: number;
+  vehicle_id: number;
+  log_date: string;
+  department: string | null;
+  driver_name: string;
+  trip_type: string;
+  departure_type: string;
+  departure_name: string | null;
+  departure_address: string | null;
+  arrival_type: string;
+  arrival_name: string | null;
+  arrival_address: string | null;
+  distance_km: number;
+  note: string | null;
+  vehicle?: VehicleDropdownApi;
+}
+
+export function transformVehicleLogApi(api: VehicleLogApi): VehicleLog {
+  return {
+    id: api.id,
+    vehicleId: api.vehicle_id,
+    logDate: api.log_date,
+    department: api.department,
+    driverName: api.driver_name,
+    tripType: api.trip_type as TripType,
+    departureType: api.departure_type as LocationType,
+    departureName: api.departure_name,
+    departureAddress: api.departure_address,
+    arrivalType: api.arrival_type as LocationType,
+    arrivalName: api.arrival_name,
+    arrivalAddress: api.arrival_address,
+    distanceKm: api.distance_km,
+    note: api.note,
+    vehicle: api.vehicle ? transformVehicleDropdown(api.vehicle) : undefined,
+  };
+}
+
+export interface VehicleLogFormData {
+  vehicleId: string;
+  logDate: string;
+  department: string;
+  driverName: string;
+  tripType: TripType | '';
+  departureType: LocationType | '';
+  departureName: string;
+  departureAddress: string;
+  arrivalType: LocationType | '';
+  arrivalName: string;
+  arrivalAddress: string;
+  distanceKm: string;
+  note: string;
+}
+
+export const EMPTY_LOG_FORM: VehicleLogFormData = {
+  vehicleId: '',
+  logDate: new Date().toISOString().slice(0, 10),
+  department: '',
+  driverName: '',
+  tripType: '',
+  departureType: '',
+  departureName: '',
+  departureAddress: '',
+  arrivalType: '',
+  arrivalName: '',
+  arrivalAddress: '',
+  distanceKm: '',
+  note: '',
+};
+
+export const NOTE_PRESETS = ['거래처방문', '제조시설등', '회의참석', '판촉활동', '교육등'];
+
+export interface VehicleLogSummary {
+  totalDistance: number;
+  totalCount: number;
+  commuteToDistance: number;
+  commuteToCount: number;
+  commuteFromDistance: number;
+  commuteFromCount: number;
+  businessDistance: number;
+  businessCount: number;
+  personalDistance: number;
+  personalCount: number;
+}
+
+// ===== 정비이력 (Vehicle Maintenance) =====
+
+export type MaintenanceCategory = '주유' | '정비' | '보험' | '세차' | '주차' | '통행료' | '검사' | '기타';
+
+export const MAINTENANCE_CATEGORIES: MaintenanceCategory[] = [
+  '주유', '정비', '보험', '세차', '주차', '통행료', '검사', '기타',
+];
+
+export const CATEGORY_COLORS: Record<MaintenanceCategory, string> = {
+  '주유': 'bg-amber-100 text-amber-700',
+  '정비': 'bg-blue-100 text-blue-700',
+  '보험': 'bg-emerald-100 text-emerald-700',
+  '세차': 'bg-cyan-100 text-cyan-700',
+  '주차': 'bg-purple-100 text-purple-700',
+  '통행료': 'bg-orange-100 text-orange-700',
+  '검사': 'bg-indigo-100 text-indigo-700',
+  '기타': 'bg-gray-100 text-gray-700',
+};
+
+export interface VehicleMaintenance {
+  id: number;
+  vehicleId: number;
+  date: string;
+  category: MaintenanceCategory;
+  description: string;
+  amount: number;
+  mileage: number;
+  vendor: string | null;
+  memo: string | null;
+  // joined
+  vehicle?: VehicleDropdownItem;
+}
+
+export interface VehicleMaintenanceApi {
+  id: number;
+  vehicle_id: number;
+  date: string;
+  category: string;
+  description: string;
+  amount: number;
+  mileage: number;
+  vendor: string | null;
+  memo: string | null;
+  vehicle?: { id: number; plate_number: string; model: string };
+}
+
+export function transformMaintenanceApi(api: VehicleMaintenanceApi): VehicleMaintenance {
+  return {
+    id: api.id,
+    vehicleId: api.vehicle_id,
+    date: api.date,
+    category: api.category as MaintenanceCategory,
+    description: api.description,
+    amount: api.amount,
+    mileage: api.mileage,
+    vendor: api.vendor,
+    memo: api.memo,
+    vehicle: api.vehicle ? transformVehicleDropdown(api.vehicle) : undefined,
+  };
+}
+
+export interface MaintenanceFormData {
+  vehicleId: string;
+  date: string;
+  category: MaintenanceCategory | '';
+  description: string;
+  amount: string;
+  mileage: string;
+  vendor: string;
+  memo: string;
+}
+
+export const EMPTY_MAINTENANCE_FORM: MaintenanceFormData = {
+  vehicleId: '',
+  date: new Date().toISOString().slice(0, 10),
+  category: '',
+  description: '',
+  amount: '',
+  mileage: '',
+  vendor: '',
+  memo: '',
+};
+
+// ===== 공통 유틸 =====
+
+export const OWNERSHIP_LABELS: Record<OwnershipType, string> = {
+  corporate: '법인차량',
+  rent: '렌트차량',
+  lease: '리스차량',
+};
+
+export const OWNERSHIP_COLORS: Record<OwnershipType, string> = {
+  corporate: 'bg-purple-100 text-purple-700',
+  rent: 'bg-blue-100 text-blue-700',
+  lease: 'bg-green-100 text-green-700',
+};
+
+export const STATUS_LABELS: Record<VehicleStatus, string> = {
+  active: '운행중',
+  maintenance: '정비중',
+  disposed: '처분',
+};
+
+export const STATUS_COLORS: Record<VehicleStatus, string> = {
+  active: 'bg-green-100 text-green-700',
+  maintenance: 'bg-yellow-100 text-yellow-700',
+  disposed: 'bg-red-100 text-red-700',
+};
+
+export const VEHICLE_TYPES: VehicleType[] = ['승용차', '승합차', '화물차', 'SUV'];
+
+export function formatCurrency(value: number): string {
+  return value.toLocaleString('ko-KR') + '원';
+}
+
+export function formatDistance(value: number): string {
+  return value.toLocaleString('ko-KR') + 'km';
+}