GMAC auto insurance policies offer coverage types similar to every major insurer. They include comprehensive, liability and collision. National General also has some unique add-ons that drivers might find handy. SmartServices is an add-on that comes with roadside assistance, rental car pickup. SmartInspect ensures that the car is inspected to ensure it is in good working condition after repair. SmartReplacement helps customers find a replacement car of their choice after their car is totaled in a covered loss. Policyholders are also eligible for a number of discounts including multi-vehicle, paid-in-full, multi-policy and safe driver.