The first thing that I noticed about the model is how much more vibrant the colours are compared to the Spark model. In terms of the shape of the model, there's very little to choose between the two model makers.
The other very minor difference is the placement of transition of colours from the inside to the outside of the rear wing endplates, and I do prefer the Minichamps attention to detail there. Having said that, there is more detail on the floor on the Spark model.
With not much to choose between the two, the score for both models is the same.