Welcome!

Volt Stats interfaces with the OnStar webservice used by the iPhone/Android RemoteLink apps to collect data about the performance of Volts driving in the real world.

To register your Volt, click Login and enter your OnStar username/password. Security information can be found in the FAQs.

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MPG: Simply total miles driven divided by total gallons of gas burned. This is how the Volt reports MPG, although since the electricity is counted as "free" it doesn't give a true picture of the energy used. On the other hand, this is literally accurate. :)

MPGe: Counts all electric miles driven as 93 "MPGe". See this wikipedia page for the gory details, but in short, 33.7 kw*hrs of energy has been determined to be equal to one gallon of gasoline, and the Volt is rated at a combined 93 MPGe (0.36 kw*hrs/mi) by the EPA. This gives a better account of the true energy usage of the vehicle, in a number that's easily comparable to traditional cars. However, this is just an estimation - I cannot currently read raw kw*hrs from Onstar, so actual energy usage could be better or worse than this number. Hopefully we can get a real MPGe calculation in the near future. The formula is: Total Miles / (Gallons Burned + (EV Miles / 93))

MPGCS: Charge-Sustaining MPG, or what the Volt is getting on gas only.

Graph Options

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Show Data By Year:

Raw Data

Month Vehicles EV Miles Total Miles EV MPVDD Total MPVDD EV % MPG MPGe MPGCS
April 2011 1 243.02 729.26 27.22 84.68 33.3 61.13 50.14 40.76
May 2011 15 7990.09 10170.89 31.09 39.66 78.6 172.89 70.27 37.07
June 2011 38 23078.91 30937.43 31.54 41.26 74.6 143.19 66.64 36.37
July 2011 62 37181.09 56603.22 30.44 46.00 65.7 109.11 61.62 37.44
August 2011 72 51824.44 66519.99 30.28 38.34 77.9 169.39 70.02 37.42
September 2011 108 63707.23 86225.95 30.19 40.15 73.9 141.22 66.55 36.88
October 2011 156 98080.08 135606.99 29.59 40.45 72.3 129.44 64.51 35.82
November 2011 233 142834.31 199628.18 29.04 40.59 71.6 123.82 63.41 35.23
December 2011 319 198702.93 286385.96 27.96 39.97 69.4 109.06 60.13 33.39
January 2012 419 256973.03 345229.47 27.52 36.84 74.4 121.97 61.72 31.18
February 2012 506 329636.71 445953.36 29.19 39.34 73.9 114.76 60.02 29.93
March 2012 726 476901.48 626497.01 31.38 41.05 76.1 147.76 66.88 35.28
April 2012 916 636068.42 834444.32 31.26 40.81 76.2 149.77 67.23 35.61
May 2012 1007 518610.13 664798.02 31.90 41.60 78.0 153.78 67.15 33.82

Daily Driving Histogram

Blue Bars Represent:


This histogram charts the percentage of days that a Volt has driven a given number of miles. The green bars represent EV-only usage, and there are multiple options for the blue bars:

  • Total Mileage When Gas Used: If this is selected, the blue bars will represent the total distance driven when any gas was used. For example, if you drove 50 miles, 40 of which were EV powered, you would have a green tick at 40 and a blue tick at 50 in this mode.

  • CS-Only Mileage: In this mode, the blue bars will represent the number of miles driven in charge sustaining mode only. For our 50 miles/40 EV example, you would get a green tick at 40 and a blue tick at 10 in this mode.

  • Nothing - Show EV Only: Obviously, will clear the blue bars and only show EV usage.

In any mode, a day without gas usage will not get a blue tick. A vehicle's "day" is determined by the time zone of the zip code entered for the car. If the car doesn't have a zip code, central time will be used.

To join a group, Login and go to the Group Management area!

Group Name Members EV Miles Total Miles EV% MPG MPGe MPGCS
Wisconsin Volt Owners 15 61709.24 83262.67 74.1 141.43 66.49 36.61
Vegas Volts 8 27368.87 34675.35 78.9 162.46 68.30 34.23
St. Louis Volt Owners 11 45316.53 69765.26 65.0 98.19 58.25 34.41
Indiana Volt Owners 3 16205.55 28206.47 57.5 90.47 58.04 38.49
Metro Detroit Volt's 36 229552.73 328318.07 69.9 119.09 62.83 35.82
North Texas 19 117566.73 140185.59 83.9 222.47 74.00 35.89
Guelph Volt Owners 4 30167.29 39472.31 76.4 151.98 67.58 35.83
Southern CA Volts!!! 39 203144.21 248901.12 81.6 191.49 71.44 35.20
DC Metro Volts 38 207050.66 261621.59 79.1 177.64 70.73 37.05
Greater Chicago area 35 137458.55 209623.93 65.6 99.94 58.63 34.41
Maryland Volt Owners 15 76874.21 95403.98 80.6 185.94 71.21 36.11
Houston Volts 9 79612.94 106515.65 74.7 135.15 64.78 34.14
Qweebec 10 40903.74 60850.68 67.2 96.55 56.87 31.65
Arizona Volts 12 69977.08 100911.31 69.3 120.07 63.35 36.81
Florida Volt Owners 40 184778.65 255582.47 72.3 127.60 64.06 35.35
Washington State Volts 19 80530.45 107526.81 74.9 135.19 64.73 33.94
NY Metropolitan Volts 21 171910.99 226935.06 75.8 147.64 67.03 35.80
SF Bay Area 33 162080.76 225159.66 72.0 129.68 64.72 36.33
Atlanta Metro Volts 29 130449.70 164652.35 79.2 174.49 70.18 36.25
Pennsylvania Volts 12 46452.08 71930.57 64.6 104.01 60.39 36.84
New England Volts 12 52648.18 72869.52 72.2 126.28 63.74 35.04
Hawaii Volt Owners 5 23255.24 25106.60 92.6 443.11 81.86 32.67
Triangle Volts 13 38284.05 50507.72 75.8 145.92 66.65 35.32
Ontario Volts 18 103560.32 141192.82 73.3 125.27 63.01 33.39
Ottawa Volts 3 17495.88 27480.06 63.7 87.30 54.64 31.72
NY State Volts 23 134981.62 183533.40 73.5 136.23 65.58 36.04
Michigan Capital City 13 73619.98 101173.08 72.8 131.06 64.71 35.69
South Texas Volts 8 51470.52 65749.92 78.3 164.38 68.96 35.70
AZ Volts 10 44862.08 63737.95 70.4 120.82 63.11 35.78
West TN Volts 6 18504.03 21582.06 85.7 238.60 74.57 34.03
Missouri 10 34171.46 44159.60 77.4 155.81 67.85 35.24
Minnesota Volt Owners 20 75363.61 99505.02 75.7 137.29 64.82 33.31
IOWA volts 10 24097.15 41258.01 58.4 85.69 55.71 35.64
Volunteer Volts 5 11828.24 12743.62 92.8 437.94 81.54 31.46
Nebraska Volts 4 25621.13 31851.48 80.4 172.75 69.26 33.79
Colorado Volts 14 57360.23 78077.21 73.5 125.78 63.09 33.37
Cold Climate Volts 71 318619.49 431502.74 73.8 135.39 65.25 35.42
Ohio Volts 18 68555.73 86149.48 79.6 176.24 70.27 35.99
Jersey Shore Volts 10 61398.58 90161.64 68.1 114.17 62.18 36.42
Georgia Volts 22 67365.32 83041.78 81.1 183.42 70.55 34.63
GE EVs 6 30505.16 53964.71 56.5 80.12 53.88 34.83
Richard Rand 3 9641.71 11036.66 87.4 256.73 75.25 32.45
North Carolina Volts 18 57342.01 76749.36 74.7 139.85 65.86 35.36
Lupient Chev Volt Owners MN 11 35818.92 47930.92 74.7 132.04 64.07 33.37
Granite State Volts 7 34370.48 47015.63 73.1 143.26 67.38 38.53
Alabama Volts 5 24450.75 33573.96 72.8 134.89 65.60 36.65
Powertrain Volt Owners 4 27154.39 35438.34 76.6 149.54 67.00 34.96
Northern CA Volts 22 111219.14 149625.62 74.3 140.86 66.26 36.16
Oregon Volts! 11 51694.53 79859.09 64.7 98.99 58.61 34.91
KC Metro 4 18994.35 21545.57 88.2 277.42 76.43 32.85
sf 3 9222.74 12648.54 72.9 121.03 62.10 32.78
ISJ 1 1398.39 1605.46 87.1 262.73 75.92 33.89
Central Illinois Volts 10 32472.00 72599.88 44.7 78.79 57.14 43.55
Arkansas Volts 4 14108.24 30824.03 45.8 82.25 58.55 44.60
Google+ Volt Group 11 52887.14 73341.19 72.1 131.38 65.08 36.64
Ann Arbor Volts 4 31338.21 40325.50 77.7 157.30 67.96 35.06
Connecticut Volts 8 38014.03 43730.94 86.9 256.00 75.45 33.47
CANADIAN VOLT 21 85919.36 119638.71 71.8 120.25 62.35 33.89
Maine Volts 2 5651.56 7823.41 72.2 124.95 63.41 34.69
Bloomfield Township Volts 4 23494.62 24423.33 96.2 726.73 85.32 27.63
Jackson Michigan Volts 1 2507.96 4512.46 55.6 80.44 54.33 35.73
Nothern Jersey Volts 5 26295.49 34480.66 76.3 163.41 69.83 38.79
San Antonio Volt 3 10763.87 14069.26 76.5 154.92 68.12 36.40
StCharlesMo 1 1366.39 1388.04 98.4 999.99 86.47 15.96
Long Island Volts 9 69776.60 91237.44 76.5 156.62 68.45 36.84
Utah Volts! 2 6148.22 9699.22 63.4 95.35 57.79 34.91
Toronto Volts 4 15284.28 16488.71 92.7 381.84 79.45 27.89
Facebook Volt Owners 24 177804.43 247915.10 71.7 131.37 65.26 37.15
Space Coast Volts 2 9661.82 13488.16 71.6 143.17 68.09 40.61
CMSFleet 1 6166.35 18691.99 33.0 51.51 43.55 34.52
Orange County, CA Volts 1 245.99 585.35 42.0 64.68 50.05 37.50