Glossary of Automotive Terms - G

Click on any letter to find automotive-related entries beginning with that letter.

GAP Insurance/Protection

Stands for Guaranteed Auto Protection insurance. Extra insurance for lease customers to cover the difference in the actual value of the vehicle and whatever is owed on the lease. Important if the car is stolen or totaled early in the lease term. It also covers the difference in value between what may be paid by an insurance carrier and what is still owed to the leasing company, including future lease payments.

Gas-Charged Shocks

Also called gas-filled shocks. They are shock absorbers filled with a low-pressure gas to smooth the vehicle's ride during up-and-down movement.


Any thin, soft material installed between two metal surfaces to create a good seal.

Gasoline Alley

This is the garage area at Indy, where major mechanical work is done on the cars.

General Property Taxes

Any tax on real estate or personal property.

Good Faith

A code of conduct between parties emphasizing honesty during the transaction.

Grand National Circuit

This was the previous name for Winston Cup Racing before R.J. Reynolds became the sponsor in 1972.

Grand Prix

A type of car race popular in Europe. Also, a French term meaning great prize.

Gray Market Vehicle

Any car that is imported, but not through authorized retailers. May have insufficent emissions standards.


Used in automotive circles to describe all of the windows enclosing the passenger compartment.


An opening in the front of the vehicle that allows air to reach the radiator.

Gross Capitalized Cost

See Capitalized Cost

Gross Income

The income of the borrower before taxes or expenses are deducted; used to qualify for a loan or a lease.

Gross Vehicle Weight Rating

The curb weight of the vehicle plus the maximum load it is designed to carry.

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Glossary of Automotive Terms G - Autotrader