It depends on which engine you have in the 1970 Challenger. If you had the 318ci, you could expect to get 11 - 14 mpg. With the 426ci hemi or the 440ci six pack, you could expect 6 - 10 mpg, depending on how hard you drove it.
Dodge Challenger was created in 1970.
The new Dodge Challenger was inspired by the old Dodge Challenger from 1970-1974.
There was no Dodge Challenger in 1969, 1970 was the first year.
1970
No
The EPA mileage estimate for the 2011 Dodge Challenger is 18 mpg in the city, 27 mpg on the highway.
The EPA mileage estimate for the 2014 Dodge Challenger is 18 mpg in the city, 27 mpg on the highway.
The EPA mileage estimate for the 2009 Dodge Challenger is 17 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2008 Dodge Challenger is 13 mpg in the city, 18 mpg on the highway.
The EPA mileage estimate for the 2013 Dodge Challenger is 18 mpg in the city, 27 mpg on the highway.
The EPA mileage estimate for the 2010 Dodge Challenger is 17 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2012 Dodge Challenger is 18 mpg in the city, 27 mpg on the highway.