Make a drawing of the car. This car is on a diagonal, which is an advantage when suggesting the principle of movement. Draw in the chevrons and the bending road, again these will enhance the sense of movement.
Paint the car first. You need to work light to dark, there are always areas on shiny vehicles that look almost “white” but are indeed the lightest tone of the colour of the car. When painting in reds I mix two together, I used process magenta, alternative would be a rose madder, and a brilliant red. Make a very watery wash of the red and paint the car colour. You are working light to dark so you will be applying at least three layers of colour and each subsequent layer has more paint and less water in the mix: this is a perfect way to practice the craft of watercolours. Take your time, if you work up to six layers you can get some excellent effects that suggest with the use of this technique, that this is a shiny vehicle. The windows are in shadow, but also have reflections of the trees around them. I used a payne’s grey for the window on the left hand side, and when that was dry used a stipple brushstroke to paint in the shapes of foliage reflected on the glass. The front window I painted with a payne’s grey and my red mix, so it was more purple than grey.
Paint in the lights on the car (part yellow but part white of paper), and then the various trims on the car. I used a mix of payne’s grey and chromatic black.
The road surface and the shadow under the car, I made this look pretty wet, so I could paint in shadows cast by the wheels etc. That also adds to a sense of fast movement of the vehicle.
The background: mix yourself a good range of greens, and include in those greens a very bluey green for the darker areas of foliage. Work light to dark and you could also start with an underpainting of yellow, which I did not do myself. Paint the chevrons bright yellow and chromatic black. The road marking: again bright yellow.
The mist around the car: this is the last part of the painting. Make a wash of white gouache or acrylic. Use a very large brush and quickly paint in the glaze: I used a horizontal brushstroke around the car but a circular brushstroke above, this should be done quickly: if you hang around too long with the brush you will lift some of the dry paint underneath the glaze.