Download link:

Mega    : https://mega.nz/folder/3l4FhAyA#g0y6NzG9ubnCqYxNn-EeJQ
Huang111: https://pan.huang1111.cn/s/mxnLvC1

How to use:

Extract the archive to your Need for Speed III folder.

Official DLC with region limited cars contains:

1. Ferrari 456M GT
2. Jaguar XKR
3. Lister Storm
4. Spectre R42
5. Ford Falcon GT (Taken from Australian release)
6. HSV VT GTS (Taken from Australian release)
7. Chevrolet Corvette C5 Indy 500 Pace Car (Taken from Wal-mart release)