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      03-31-2012, 08:47 AM   #1
southlight
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BMW i8 Spyder and Coupe Concepts Compared

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BMW i8 Spyder and Coupe Concepts Compared
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The just unveiled BMW i8 Concept Spyder naturally calls for a comparison to its open-air sibling. It's an interesting comparison for several reasons. Seeing both concepts shows the differences between both cars/concepts but also shows some progress BMW has made in the development of the Concept i8. At first sight, the i8 Spyder looks even more focused and 'mean' than the i8 Coupe. Part of the reason for this is that the i8 Spyder is 15 cm or 6 inches shorter than the i8 Coupe (see full specs below). Being an open top car however results in a weight disadvantage of 150 kg or 330 lbs.

Both the i8 Coupe and the i8 Spyder have gullwing/butterfly doors, and both will retain this for series production (as seen in our recent i8 spy video and photos). Note however, that the the i8 Spyder hasn't been announced for series production yet. The glass doors of the i8 Coupe won't make it to production but will follow a similar approach as the i8 Spyder shows. But that's enough talking, enjoy the comparison photos and both cars' specifications below.

The i8 Spyder will make its public world premiere at Beijing auto show next month.

Photos


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Specifications

Specifications BMW i8 Concept CoupeBMW i8 Concept Spyder
Length (mm)46324480
Height (mm)12801208
Width (mm)19551922
Wheelbase (mm)28002650
Number of seats2 + 22
Kerb Weight (kg)14801630
Top Speed250 km/h (155 mph) electr. governed250 km/h (155 mph) electr. governed
Acceleration
0-100 kph (s)4.65.0
80-120kph (s)4.04.0
System Output260 kW / 550 NM260 kW / 550 NM
Twin Power Turbo Engine164 kW / 300 Nm164 kW / 300 Nm
Fuel Consumption (EU)2.6 l/100km - 104mpg imp3.0 l/100km - 94mpg imp
eDrive output electric motor96kw96kw
electric rangeapprox. 35 km (20 miles)approx. 27-30 km (17-19 miles)
battery charge timestandard: 1.45 h for 100%standard: 1.45 h for 100%
Luggage Compartmentapprox. 150 litresapprox. 100 litres



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      03-31-2012, 11:46 PM   #2
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cant wait to see the final product
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      03-31-2012, 11:51 PM   #3
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Spyder looks sweet.
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      03-31-2012, 11:53 PM   #4
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Nice to see the spyder preview more production level parts like the doors. Still looks great even though it's no longer glass and much thicker now.

have to say I like the spyder better.
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      04-01-2012, 01:17 AM   #5
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      04-01-2012, 01:35 AM   #6
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      04-01-2012, 01:46 AM   #7
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Actual looks better than the concept...but come on, rear seats would've been nice!
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      04-01-2012, 02:36 AM   #8
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Looks like a Picasso version of the M1.
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      04-01-2012, 06:52 AM   #9
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So for the production models will there still be a size difference? It's funny but they do actually suit different proportions. The coupe looks better with a longer wheelbase and the spyder looks better without back seats.
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      04-01-2012, 07:05 AM   #10
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Quote:
Originally Posted by hks786 View Post
So for the production models will there still be a size difference? It's funny but they do actually suit different proportions. The coupe looks better with a longer wheelbase and the spyder looks better without back seats.
Yes, I think so and agree that the different proportions work well for both cars.


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      04-01-2012, 07:08 AM   #11
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this car would look so much better if they made it look less like something that came out of star trek... here's a quick PS I made:



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      04-01-2012, 07:22 AM   #12
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^ that looks great. Prob 99% accurate to production model. The only thing I still don't like it the back end. It's fussy.
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      04-01-2012, 07:47 AM   #13
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ilike it
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      04-01-2012, 07:51 AM   #14
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The numbers look a lot better on the coupe. Personally, I would like it better if the battery was about one fourth the size and only used to recover braking energy and get the vehicle moving. That would probably knock off 150 kilos, reduce the cost and improve overall performance. Light hybrid is the real future, not plug-in. Nobody knows what to do with the lithium when these batteries are spent in 10 years.
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      04-01-2012, 08:17 AM   #15
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I do love the photoshop with the spokey rims

I hope the spyder makes it into production, I think it would sell 2X the volume of the coupe

Prediction: In the US, the i8 coupe will have MSRP $140k, it will be loaded for $170K. This puts it more expensive than the R8 (V8 engine), less than the R8 (V10)
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      04-01-2012, 08:21 AM   #16
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I might like the Spider even better than the coupe!
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      04-01-2012, 08:37 AM   #17
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the photo shop pic looks makes the car look cleaner....

nice,an R8 killer.....
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      04-01-2012, 08:40 AM   #18
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Quote:
Originally Posted by Diver View Post
The numbers look a lot better on the coupe. Personally, I would like it better if the battery was about one fourth the size and only used to recover braking energy and get the vehicle moving. That would probably knock off 150 kilos, reduce the cost and improve overall performance. Light hybrid is the real future, not plug-in. Nobody knows what to do with the lithium when these batteries are spent in 10 years.
I agree with this. I think if the i8 was around 1350kg it would be perfect. That's like a ~150kg advantage over say a 1M and still having similar power.

On a slightly different topic, (perhaps I'm being daft) but I don't see the benefit of these full electric models. As we know these cars will need to be charged up and where does electricity come from? It comes back to oil again. You are also right that these lithium batteries are going to stop holding a charge and will need to be charged more often. This again means using more electricity to charge them more often. It's an endless cycle of relying on oil.
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      04-01-2012, 08:42 AM   #19
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Quote:
Originally Posted by Cali 130 View Post
the photo shop pic looks makes the car look cleaner....

nice,an R8 killer.....
Let's not get too carried away lol. Though I would love to see BMW make a real R8 rival.
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      04-01-2012, 09:29 AM   #20
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Sweet!!!!
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      04-01-2012, 09:46 AM   #21
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Can't see this being less than 50% above the R8 price. And not unreasonably in view of the technology and the limited numbers.
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      04-01-2012, 10:16 AM   #22
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Quote:
Originally Posted by Diver View Post
The numbers look a lot better on the coupe. Personally, I would like it better if the battery was about one fourth the size and only used to recover braking energy and get the vehicle moving. That would probably knock off 150 kilos, reduce the cost and improve overall performance. Light hybrid is the real future, not plug-in. Nobody knows what to do with the lithium when these batteries are spent in 10 years.
+1
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