With permission from Willie here is the comparison test between the turbo and the "stock" Insights. This was a fun way to do a comparison run.
Comparison Run and Evaluation on 5/03/03.
SAN DIEGO, CA. AREA INSIGHTERS
(THE THREE MUSKATEERS)
MILES PER GALLON/MILES DRIVEN
Vehicle # 1 / # 2 / # 3
LEG #1 65.8 / 55.5 / 60.1 / 37.3
LEG #2 82.0 / 84.8 / 72.2 / 54.0
LEG #3 50.2 / 45.8 / 41.3 / 42.0
LEG #4 34.0 / 32.4 / 33.1 / 31.3
Facts on Test:
Air Temperature:
Varied from a low of app. 58 Degrees (F) to app. 75 Degrees. (F)
Elevation:
Started at 2,500 ft., went to 4,200 ft., then to Sea Level, finally back to 4,200 ft.
Roadway:
Combination of State highways, Interstate freeway, County roads, and City streets.
Weather:
Cold and Rainy, to High Tail Winds (15 to 20 mph), to Sunny and Warm, to Sunny and (15 to 20 mph) Head Winds, to Cold and Rainy.
Cruising Speeds:
45 to 80 mph.
Traffic:
Light, app. 90% of time.
Additional:
#1 vehicle was the lead vehicle at all times.
Vehicles maintained a safe distance between them. (No drafting)
A grade of 7% for app. 9 miles with a head wind was encountered. During the ascent, 70-75 mph was maintained by Vehicles #2, and #3.…….. Vehicle #1 maintained 80-85 mph.
MPG average during the above ascent:
Vehicle #1-26.2, #2- 21.5, #3-25.3. .
Total Miles of test and mpg averaged during the test session (per the FCD reading) 164.86 (avg.) @ #1-55.2, #2-51.7, #3-48.8
Vehicles In Test:
#1 2001 5S, 69,000 miles, 59.6 LMPG, Std. Front tires at 50 PSI, wider rear tires. Turbocharged with Speed Stripes, custom gauges, dead pedal, and shifter.
#2 2000 5S, 65,621 miles, 53.3 LMPG, Std. Tires at 45-48 PSI
Custom Tinting and Custom Stereo System.
#3 2000 5S, 51,700 miles, 54.0 LMPG, Std. Tires at 50 PSI, Wet Oakly Seat Covers , Special Polymer/wax exterior coating.
NOTE:
All drivers were of the same app. weight. (175 -190 lb.)
Vehicle #2 carried app. 200 more pounds in weight (Custom Sound System.)
From a discussion and comparison, all of the drivers used the same type of Driving Style