Results from KFGO Test

KFGO Chevrolet Impala MPG Testing: E85 vs. 89 Unleaded vs. SpeedOn May 29, KFGO News and Views and Gateway plan to put the new Impala to the test. It is a test to decipher the most cost effective route to operating a vehicle under all the same conditions.Purpose of this test:KFGO and Gateway plan to study the cost effectiveness of the reduction of speed and as well as the efficiency of using E85.Method of Testing:This test will include three 2008 Impalas. These Impalas will be driven from Fargo ND to Bismarck ND; Impala One will use E85 at 75 MPH, Impala Two will use 89 Unleaded at 75 MPH, and Impala Three will be using 89 Unleaded at 55 MPH.

Results:
55mph Car with Regular Unleaded
Little Don Hareland drove 55mph.
His car traveled 378.6 miles.
He used 11.4 gallons of gas.
The car driving 55mph got 33.21 miles per gallon.

75mph Car with Regular Unleaded
Big Don Clark drove 75 mph with regular unleaded gas.
His car traveled 378.6 miles.
He used 14.45 gallons of gas.
The car driving 75mph got 26.2 miles per gallon.

75mph Car with E-85
Scott Paul drove 75 mph with E-85.
His car traveled 378.6 miles.
He used 17.9 gallons of E-85.
The car driving 75mph with E-85 got 21.15 miles per gallon.
21.11% Better Mileage

The car driving 55mph got 21.11% better mileage than the car traveling
75mph with regular unleaded gas.

E-85 vs. Regular Unleaded
The car driving 75mph with regular unleaded got 19.27% better mileage
than the car traveling 75mph with E-85.
But the E-85 cost an average of $3.18 per gallon versus regular unleaded costing an average of $3.84 per gallon.

Cost per Mile
The car driving 55mph cost 11.38 cents a mile for gas.
The car driving 75mph on regular unleaded cost 14.64 cents a mile for gas.
The car using E-85 and driving 75mph cost 15.05 cents a mile for gas.