Rank the following five cars from the most expensive to the least expensive.
Ferrari, Lamborghini, Porsche, Audi, Mercedes.
The relative expense of these cars depends on which models are being compared, as well as current market conditions. However, as a general rule, here is one possible ranking from the most expensive to the least expensive based on the listed brands:

1. Ferrari 
2. Lamborghini 
3. Porsche 
4. Mercedes
5. Audi.
Complete the following task based on the instruction and optional input provided.### Instruction:
Rank the following five cars from the most expensive to the least expensive.

### Input:
Ferrari, Lamborghini, Porsche, Audi, Mercedes.

### Output:
The relative expense of these cars depends on which models are being compared, as well as current market conditions. However, as a general rule, here is one possible ranking from the most expensive to the least expensive based on the listed brands:

1. Ferrari 
2. Lamborghini 
3. Porsche 
4. Mercedes
5. Audi.