About Our Dealership. Mark Christopher Auto Center is the largest Chevrolet, Buick, Cadillac and GMC dealer in California! Being centrally located in Ontario, CA. allows us to easily serve the Los Angeles metro area.
Driveway Guides. Granite Driveways | Durable, Heavy and Very Expensive! Granite driveways, much like slate driveways, are among the most expensive, most luxurious in the world, requiring skilled laborers and heavy machinery to properly construct.
Asphalt is generally much cheaper to install than concrete. On average, the cost per square foot for blacktop will be considerably cheaper than concrete. However price fluctuation due to the cost of crude oil can affect an asphalt drivewayâs price. Maintenance costs for blacktop can be higher than a concrete driveway due to it requiring a sealant be applied more often. Concrete has many factors that can increase itâs cost.