Quote:
Originally Posted by ZO6 Bryan
The size class for cars is based on interior passenger and cargo volumes as described below. The size class for trucks is defined by the gross vehicle weight rating (GVWR), which is the weight of the vehicle and its carrying capacity. Fuel economy regulations do not apply to heavy-duty vehicles, so they are not tested. See Which Vehicles Are Tested for more information on these vehicles.
Vehicle Size Classes Used in the Fuel Economy Guide
CARS
Class Passenger & Cargo Volume (Cu. Ft.)
Two-Seaters Any (cars designed to seat only two adults)
Sedans
Minicompact < 85
Subcompact 85 to 99
Compact 100 to 109
Mid-Size 110 to 119
Large 120 or more
Station Wagons
Small < 130
Mid-Size 130 to 159
Large 160 or more
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Negligible. This "definition" - which is in and of itself meaningless because it was created by people to serve a specific purpose - is entirely out of context. By that definition, the Camaro is in the same class as a Malibu. Is there any publication on Earth that would do a comparison between a Camaro and a Malibu and maintain any kind of credibility? Whether or not they are both "compacts" by government GVWR standards does not change the fact they are not in anything close to similar classes. Rating a ZL1 on fuel economy is silly because they were not engineered with fuel economy in mind and no one on Earth is buying them for their fuel efficiency. It is like me rating a pizza place's pizza by how many pets the owner has. Who cares?