Zoomit
Posts: 294
Joined: Wed Jan 06, 2016 10:45 pm
Location: SoCal

Bolt EV Competitor Spec Comparison

Wed Jan 13, 2016 5:25 am

There's a lot more to a car than a table of numbers, but I wanted to share my compilation of specs on the Bolt EV and it's competitors. In the spec sheet for the Bolt EV, GM listed it's competitors as the LEAF, i3, Focus Electric, Soul EV, e-Golf, and B250e. I also included the Spark EV, the compliance car that is in many ways a Bolt prototype; the Volt PHEV; and Tesla Model 3 (in spirit). For good measure, I also threw in the Tesla Model S 60.

I attempted to pull data from manufacturer sources whenever possible. The most questionable data is the 0-30 and 0-60 acceleration times, which can vary significantly based on source and methods. I also estimated frontal area for the cars based generally on width and height. The frontal area multiplied by the coefficient of drag yields the drag area, which can be a surrogate for high speed efficiency.

There are a few holes in the table, and likely a few errors as well. I'd appreciate any corrections and if I left out a key discriminator of interest among these cars.

Update (2/12/16): Added IONIQ, cabin heater info, anticipated changes, and corrected a few errors
Update (2/20/16): Added more IONIQ Electric info, reordered cars based on end of 2016 range, and deleted "Efficiency" row.
Update (4/3/16): Added lots of stuff, including Model 3 and other cars, more EPA, battery, automation information
Update (5/7/16): BEVs only now, separate columns for each battery/range option, added more future cars, includes my speculation in red text

Link to fullsize image of spreadsheet: https://teslamotorsclub.com/tmc/media/20160507-bev-comparison.114929/full

Image
Enjoy!
Last edited by Zoomit on Sun May 08, 2016 3:23 pm, edited 5 times in total.
2017 Bolt EV LT
2018 Model 3 LRD

Breezy
Posts: 68
Joined: Thu Nov 05, 2015 12:05 am

Re: Bolt EV Competitor Spec Comparison

Wed Jan 13, 2016 6:03 pm

Thanks for putting this together. I don't see any mistakes yet.

So it looks like the closest competitor, in size, is the Soul EV. Bolt is nearly the same size externally, and a bit smaller on the inside.

Wheelbase: Bolt is 1.2 in. longer
Length: Bolt is 1.0 in. longer
Width: Bolt is 1.4 in. narrower
Height: Bolt is 0.2 in. shorter

Total volume: Bolt is 4.6 cu. ft. (4%) smaller

Zoomit
Posts: 294
Joined: Wed Jan 06, 2016 10:45 pm
Location: SoCal

Re: Bolt EV Competitor Spec Comparison

Wed Jan 13, 2016 6:21 pm

The Bolt and Soul EVs do look like they have similar sizes, but the Soul is the slowest to 60 in this group. I haven't driven one, but 11.2 seconds to 60 is downright pokey. That doesn't sound like much fun at all.
2017 Bolt EV LT
2018 Model 3 LRD

Breezy
Posts: 68
Joined: Thu Nov 05, 2015 12:05 am

Re: Bolt EV Competitor Spec Comparison

Wed Jan 13, 2016 7:14 pm

The Soul EV is way too slow. Motor Trend got a 9.2, but that's Motor Trend. All things considered, the Bolt really won't have competition at launch. The only advantage offered by the sub 200-mile EVs will be price.

Zoomit
Posts: 294
Joined: Wed Jan 06, 2016 10:45 pm
Location: SoCal

Re: Bolt EV Competitor Spec Comparison

Thu Jan 14, 2016 3:19 am

Car & Driver just posted the Bolt EV's drag coefficient and frontal area, so I updated that and a few other things in the table in the original post.

If these drag area estimates are correct, it's interesting to note that the Bolt EV drag area is not low compared to the others. Only the Soul EV is worse. This implies that the highway efficiency will be less than the others. Comparing the Bolt EV to the Model S 60, the Bolt EV drag area is about 29% worse than the Model S. But the Model S weight is about 25% higher.

The EPA efficiency and range tests are a combination of city and highway driving. The Bolt EV will have an advantage verses the Model S in the city (lower weight), but will be at a disadvantage at high speed (higher drag area). If those effects cancel out, the Bolt EV would have a similar range to the Model S 60. That car has a 208 mi range, which is in-line with what GM has promised for the Bolt EV.

If you're interested in learning more about drag and cars, I recommend reading http://www.caranddriver.com/features/drag-queens-aerodynamics-compared-comparison-test.
2017 Bolt EV LT
2018 Model 3 LRD

Zoomit
Posts: 294
Joined: Wed Jan 06, 2016 10:45 pm
Location: SoCal

Re: Bolt EV Competitor Spec Comparison

Fri Feb 12, 2016 5:52 pm

I updated the table again based on feedback.

Changes include:
- Added the Hyundai IONIQ BEV; not much is known about it but it should hit the market this fall.
- Added info on cabin heating technology since that can significantly affect winter driving range.
- Added the "anticipated changes" row at the bottom that is more speculative
- Corrected a few errors

Please let me know if you see anything else that should change!
2017 Bolt EV LT
2018 Model 3 LRD

michael
Posts: 651
Joined: Thu Jan 29, 2015 10:13 pm

Re: Bolt EV Competitor Spec Comparison

Sun Feb 14, 2016 2:43 am

Weight, efficiency, drag and everything else are nice, but after 70,000 miles in BEVs and EREVs, the only thing I really care about is range, in cold weather and after the car is three years old. Bolt and the Tesla products are the only BEVs that I would consider, and Volt and BMW are the only EREVs.
2013 Ford Focus Electric 51000 miles in 34 months, returned
2014 Volt, returned
2014 Volt, returned,

2017 Volt
2017 Volt
1967 Corvette 427
1962 Corvette 327

lukestuke
Posts: 67
Joined: Wed Jan 14, 2015 7:24 pm

Re: Bolt EV Competitor Spec Comparison

Mon Feb 15, 2016 2:33 pm

I'm very curious to see how the Ioniq BEV will fill out the chart once details are released... later this year will definitely get interesting for us electric vehicle nerds :)

ssspinball
Posts: 126
Joined: Fri Jan 08, 2016 2:02 pm

Re: Bolt EV Competitor Spec Comparison

Tue Feb 16, 2016 4:34 pm

Breezy wrote:The only advantage offered by the sub 200-mile EVs will be price.


I would consider RWD an advantage. As all EV drivers already know, these cars are torque monsters at any speed and RWD lets the car handle all that torque without adding nasty torque steer. Quite a fun combination. I know the drive train engineers try to minimize torque steer, but there's only so much they can do.

That said, FWD is not a deal breaker for me. :)

Zoomit
Posts: 294
Joined: Wed Jan 06, 2016 10:45 pm
Location: SoCal

Re: Bolt EV Competitor Spec Comparison

Tue Feb 16, 2016 5:59 pm

I agree--RWD handling dynamics are more preferable. I'm guessing the Model 3 will be RWD which will be a significant difference to the Bolt and other longer range EVs like the LEAF2 or IONIQ.
2017 Bolt EV LT
2018 Model 3 LRD

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