Go Back   BMW i3 Forum: A BMW i3 Forum > BMW i3: News > News, Rumors, and Updates

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old 06-17-2014, 02:40 AM   #1
Administrator
 
Mike's Avatar
 
Join Date: Dec 2012
Posts: 552
Post BMW i3 REx rated at 117 MPGe, 39 mpg with 72-mile EV range

BMW i3 REx rated at 117 MPGe, 39 mpg with 72-mile EV range



The numbers haven't made their digital way to the EPA's website yet, but we can now confirm that the BMW i3 with range extender will be officially rated at a combined 117 MPGe with 39 mpg once the battery runs out. That puts the amazing little city car just ahead of the pure-electric Fiat 500e (116 MPGE, combined) and behind the Honda Fit EV (118) and the Chevy Spark EV (119). In the plug-in hybrid category, it's at the top of the class, beating out the Honda Accord PHEV, which is rated at 115 MPGe but is also a much bigger vehicle.

The i3 REx also has an official all-electric range of 72 miles and can go another 78 on gas (for a total of 150). When it's not carrying around the extra fuel tank and engine, the all-electric i3 gets 124 MPGe (combined), which is the currently the highest in the US. The i3 EV also has an all-electric range of 81 miles.

BMW expects to deliver the first i3 REx in the US this week and delivered the first all-electric version earlier this month. There was a bit of a hold-up on the range-extender version thanks to a delay with getting these EPA numbers. Now that all the bureaucratic boxes have been checked, it's off to customer driveways they go.

Article Found At: BMW i3 REx rated at 117 MPGe, 39 mpg with 72-mile EV range
Mike is offline   Reply With Quote
Old 06-18-2014, 05:58 AM   #2
Junior Member
 
ultraturtle's Avatar
 
Join Date: Sep 2013
Location: Atlanta, GA
Posts: 2
Default

"The i3 REx also has an official all-electric range of 72 miles and can go another 78 on gas (for a total of 150)."

These numbers are not accurate, but it is an understandable mistake, as the EPA test protocol does not have the capability to account for the operation of the only true series hybrid currently being manufactured. A more accurate statement would be "The i3 REx also has an official all-electric range of 72 miles and can go another 74 on gas before tapping the final 4 miles of range capacity held in reserve for REx operation (for a total of 150)."

EPA testing protocol does not account for approximately 4 miles of range remaining after REx fuel exhaustion when publishing a 72 mile battery powered electric range before REx activation, but does account for it in the total range calculation of 150 miles: 72 electric miles + 1.9 gal x 39 mpg + 4 electric miles = 150 EPA range (76 electric + 74 gasoline). 76 miles of range is also the result of dividing the EPA measured total i3 wall to wheel consumption of 22.0 kWh by the i3 REx EPA measured consumption rate of 0.288 kWh/mile. This value is further corroborated by the CARB BEVx designation awarded to the i3 REx which requires the electric range not only be at least 75 miles, but that it must exceed the gasoline range, neither of which would be possible without accounting for the ~4 miles of range remaining after REx fuel exhaustion.
ultraturtle is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT. The time now is 06:33 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
Search Engine Friendly URLs by vBSEO 3.6.1