Side view detailing is very accurate in the model, down to the smallest detail.
(You may notice that my Octavia has different style wheels from side to side... I have yet to decide which wheels to use, that's all!)

 

Details details: Carson omitted the small "Sparco" decals on the front bumper. Also, the NACA duct on the bonnet is white and not black... The red Remus stickers were missing (front fenders).

 
As you can see in these two pics, Armin managed to change the shape of his rear bumper, at the lower left corner. So did Carson, but... they missed it a little: They made a "crack" on the right side!
You will also notice the license plates: They are a little different. Other detail differences are the background color of the stickers below the car's rear lights.