The invention discloses 1180MPa-grade cold-rolled high-strength dual-phase steel for a vehicle and a production method of the 1180MPa-grade cold-rolled high-strength dual-phase steel. The 1180MPa-grade cold-rolled high-strength dual-phase steel is prepared from the following chemical components in percentage by weight: 0.10-0.13 percent of C, 0.45-0.68 percent of Si, 2.25-2.55 percent of Mn, smaller than or equal to 0.02 percent of P, smaller than or equal to 0.008 percent of S, 0.10-0.14 percent of Ti, 0.40-0.65 percent of Cr, 0.17-0.21 percent of Mo, smaller than or equal to 0.0050 percent of N, 0.025-0.060 percent of Als, and the balance of Fe and inevitable impurities. For the dual-phase steel, the hardenability of steel and the strip steel strength are improved by adopting elements ofthe C, the Mn, the Cr, the Mo and the like, the Ti is utilized to perform micro-alloying at the same time, the fine grain strengthening effect is utilized to improve the yield strength, and the Si isadopted to increase the elongation; and therefore, through reasonable component design, the 1180MPa-grade cold-rolled high-strength dual-phase steel keeps better elongation while reaching exceeded strength, avoids that the elongation is lowered caused by too many Nb elements and has the characteristics of good performance, low cost and the like. The method is used for producing the dual-phase steel for the vehicle, which is high in tensile strength and elongation, and has the characteristics of low cost, stability in production process and excellent and stable performance of a product.