bugatti veyron supersport, 9.0 mpg as per road and track testing
For the past several years the Toyota Prius hybrid has gotten the best gas mileage with a combined average of 50 mpg. The Honda Civic Hybrid is the second highest with a combined average of 42 mpg.
The domestic automobile gets the best MPG is the Chevy Volt by far. This vehicle is primarily an electric car and is said to get in excess of 100 mpg.
Usually highway driving is where a car gets the most mpg.
The latest model of the Chevy Cobalt is the 2010. The sedan model gets 24 mpg in the city and 33 mpg on the highway with a combined mpg of 27. This is decent to good efficiency for a car.
The highest mpg on a car is believed to be a concept Porsche. It gets about 132mpg! The production car with the highest advertised official mpg is the SMART Fortwo coupe with 86mpg (imperial) on combined cycle. There are a number of concept cars with higher mpg such as the VW 1L with 282mpg(imperial).
The Mitsubishi i-MieV gives the best gas mileage at 112 miles per gallon (combined city and highway). If you want a more traditional looking car, the Ford Focus also gets excellent gas mileage. Check fueleconomy.gov for more details.
AnswerIt usually gets about 23 mpg in the city and about 33 mpg on the highway. With the two combined it gets about 27 mpg.
The fuel consumption of the Lexus LS600h is 5 gallons for every 100 miles. It gets a combined 20 MPG. In the city it gets approximately 19 MPG and on the highway the Lexus gets approximately 23 MPG.
The 2010 Mercury Mariner Hybrid gets 32 miles per gallon combined. The hybrid Ford Escape gets 32 miles per gallon combined. There are no SUV's that are not hybrid that have a combined mpg over 25, but the Subaru Forester probably comes the closest.
It looks like the 2011 Toyota RAV4 2WD gets the best MPG. It gets 28 MPG on the freeway and 22 MPG in the city. There is no reason it wouldn't be available in Honolulu.
There are two very good American made hybrid cars that are excellent on gas and safe for the environment. The Chevy Volt runs on electricity and gasoline and it gets 95 city miles per gallon and 190 mpg highway, on gasoline it gets 35 city and 40 highway. Another great car would be the Smart Car, though a 2 seater, it gets 94 city mpg city and 79 hwy mpg on electricity, and on gasoline it gets 36 and 43 respectively.