Best Factory Car Warranty Comparison Factory Warranty ProviderPowertrainRoadside Assistance 1. Hyundai10 years/ 100,000 miles5 years/ unlimited miles 2. Kia10 years/ 100,000 miles5 years/ 60,000 miles 3. Mitsubishi10 years/ 100,000 miles5 years/ unlimited miles 4. Genesis10 years/ 100,000 miles5 years/ unlimited miles 1 more row Sep 2, 2024