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Model 3 Dimensions

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It'll likely have larger interior volume since it doesn't have to house an engine, gas tank, and conventional transmission.

off Edmunds:
BMW 3 series: length 182.2 in. , width 71.3 in. , height 56.3 in, wheelbase 110.6 in., cargo with seats in place 17.5 cu.ft.
BMW 4 series (not same price range): length 182.6 in. , width 71.9 in., height 54.7 in., wheelbase 110.6 in. , cargo with seats in place 14.0 cu.ft.
Audi A4 : length 185.1 in. , width 71.9 in , height 56.2 in. , wheelbase 110.6 in. , cargo with seats in place 12.4 cu. ft.
Mercedes Benz C300: length 184.5 in. , width 71.3 in., height 56.8 in , wheelbase 111.8 in. , cargo with seats in place 12.6 cu.ft.
Volvo S60: length 182.5 in. , width 73.4 in., height 58.4 in. , wheelbase 109.3 in.
Lexus IS300: length 183.7 in., width 71.3 in., height 56.3 in. , wheelbase 110.2 in. , cargo with seats up 13.8 cu.ft.
Acura TLX: length 190.3 in ,width 73 in., height 57 in. , wheelbase 109.3 in. , cargo with seats in place 13.2 cu.ft
Infiniti Q50 : length 188.3 in., width 71.8 in., height 56.8 in , wheelbase 112.2 in., cargo with seats in place 13.2 cu.ft
Cadillac ATS : length 182.8 in., width 71.1 in., height 55.9 in. , wheelbase 109.3 in. , cargo with seats in place 10.4 cu.ft.
Jaguar XE : length 183.9 in. , width 77.4 in., height 55.7 in. , wheelbase 111.6 in. , cargo 15.9 cu.ft.


(I've sat in a 2016 C300 4matic since a relative leased one and was not impressed. )

My guess:
length ~185"
width ~ 72"
height ~ 57"
wheelbase ~ 110"
cargo with seats up > 13 ft^3
 
Last edited:
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Ah! That was extremely helpful. It probably wouldn't be too hard to do the same with a negative image of the BMW 3-Series dimensional drawing. I believe they centered the front wheel of the drawing with the photo and scaled so that the bottom of the drawing's tire 'touched the ground'. Very impressive.
 
OK, I stopped by the BMW website and snagged this image of the 3-Series dimensions:
320iSedan_Frontside_Imperial2pipes.jpg


I also found this photo of the Model ☰ Prototype at the Motor Trend website:
Model ☰ Prototype Side View (silver-1-1).jpg


And then I combined the two for this result:
Model ☰ Prototype vs BMW 3-Series (Side View).png


What say ye?
 
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I scaled the image based upon the overall diameter of the tires, not the length of the wheelbase, or diameter of the wheels. Just as I surmised was done in the linked image above. I was actually surprised at how close the wheelbase was between the two afterward. I expected the Model ☰ to be around 114" for its wheelbase.
 
I scaled the image based upon the overall diameter of the tires

1) Then you assume that the tires have the same dimensions,

2) The tire diameter is about 1/10 of the vehicle length, so any inaccuray will be amplified by a factor 10.

3) I believe a design criterion of the Model 3 is that its outer dimensions should approximately match that of a BMW 3-series. So either I am misinformed or the scaling is wrong (or both).
 
If the wheels are actually 20" in diameter on the press kit silver image.

I calculate the car to be about: 160" long with a 108" WB.

I just measured how many wheel diameters long the car was, then multiplied by 20".

Someone want to try their hand at verification?
 
If the wheels are actually 20" in diameter on the press kit silver image.

I calculate the car to be about: 160" long with a 108" WB.

I just measured how many wheel diameters long the car was, then multiplied by 20".

Someone want to try their hand at verification?
I just did the same and came up with the same numbers. What if they are 21's? I scaled off a photo of the 3 being filmed by a Model S