Pros:
- Better handling and driving dynamics
- More comfortable and luxurious interior
- More fuel efficient
-Higher resale value
Cons:
- More expensive
- Less powerful
- Smaller trunk
-Smaller backseat
Mustang
Pros:
- More powerful
- Less expensive
- Larger trunk
-Larger backseat
- More spacious
Cons:
- Not as good handling and driving dynamics
- Less comfortable and luxurious interior
- Less fuel efficient
-Lower resale value
-Less prestigious
Overall:
The BMW M3 is a better car overall. It offers better handling, driving dynamics, comfort, and luxury. However, the Mustang is a better value for the money and offers more power and space. Ultimately, the best car for you depends on your individual needs and preferences.