Chevy volt range highway 75mph1/8/2024 The "small" drop Mountaineer would consume 1.42 gallons more. Over 100 miles, the Insight with it's "large" drop would use 0.81 gallons more when going 75. The "small" drop in mpg that the V8 Mercury Mountaineer (from 23.8 to 17.8 mpg) as a result of going from 55 to 75 mph actually resulted in a FAR greater delta in "gallonage" than the "large(st)" drop made by the Insight when it went from 51.9 mpg to 36.5 mpg. 10091.html" onclick="window.open(this.href) return false pointed out. nts.95536/" onclick="window.open(this.href) return false regarding how we should be measuring "gallonage" and the bad math (in a Consumer Reports test) that. Related to the above was a concept I kept ignoring until I found the article that I posted at. It is only a 7 mile difference because it is such a small "tank". I don't know the specifics of the Volt, but I'd assume that you get 40 miles range at 55 mph, and that would mean that you get about 33 miles at 65. The Volt is a 40mpg car so that puts the changes just shy of the Prius numbers. Leaf is equivalent to a 20mpg difference, and very noticeable because we have equivalent to a one gallon gas tank in the car. In a Prius at 55mph you get about 55mpg, and jumping to 65 lowers it to 45mpg. The difference is that the more efficient the vehicle, the bigger the change (same percentage). One notable upgrade this year is the Volt's newly optional 7.2-kWh onboard charger. I asked him to try 55 for one week and guess what.he came back with 21mpg.a 20% improvement. It accelerates quickly, brakes well and even handles well on curvy back roads. My friend was getting 17mpg in his truck commuting at 65. In a Leaf 55mph gives you a range of 88 and speeding up to 65 drops it to about 75 (on a new car with full capacity). And yes, during my 40 year career at GM, we found more than one software glitch that took an unlikely sequence of seemingly random events to occur.If you change your speed from 55mph to 65mph you will lose about 20% of the efficiency. My question / concern is that now that my Volt is beyond the warranty and the 110k mile GM Protection Plan, if something like this would happen again, I could spend a lot of money on my dime, not GM's, chasing phantoms that are more appropriate for some bright young software engineer to chase. Now I know how to "reboot" and go on from experience (I was near home when it happened). For me, it was a once in 116,000 mile event - software glitches are often like this. My original comment on March 10 that a GM software engineer needs to get to the bottom of this still applies. I got all the excuses about "old stale gas" (huh, I had just completed a 650 mile trip the previous day) As I recall, the dealer did some re-programming and checking grounds, probably as a change and hope strategy. I've driven 10,000 miles since then and about 3 months later, it has never recurred. Any thoughts?Ĭlick to expand.I have had a very similar situation as posted at: I almost want to take it to another dealer. I feel like they didn't know what the heck they were doing to which they ended up just guessing. They service person went back to the "volt tech" and they ended up sticking with their original "diagnose". I tried to tell them that the vehicle had plenty of fuel and it shut off mid drive which didn't involve any auto start. I only add fuel I use and try to keep at least a gallon. I have a 2013 that I've had for almost 2 years now and rarely keep fuel in it. They mentioned the error code was related to "Auto Start with Low Fuel" and to keep more fuel in the car. On-star let me know that it was recommended to get the vehicle serviced within 7 days.įast forward to Monday from the Friday that this occurred and I have received my vehicle back from the dealer. Thankfully, I didn't get stranded and the vehicle started back up and drove on gas without issue for another 30miles till I got to my final destination and charged up during a movie. Calling on-star revealed a error code of P0AB9, while waiting on the call it had been about 5 minutes with the vehicle off and I decided to restart the vehicle. Knowing I had no electric range, I knew the vehicle was dipping into its reserve, I went ahead and pulled off the road to call onstar and wait a moment. Driving on the highway at about 75mph and the engine shut off with a warning on the dash saying "Engine Not Available, Entering Reduced Propulsion Mode Service Soon". I had zero Electric range, and about 80 miles left on the vehicle in gas.
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