Conventional green coolant lasts two to three years or 30,000 to 50,000 miles. Extended-life orange and red coolants last five years or 100,000 to 150,000 miles under normal operating conditions. The ...

The value of an extended car warranty depends on your vehicle's age, mileage and your financial situation. As cars age, they are more likely to need expensive repairs, making a warranty a worthwhile ...