### Instruction: What were the top 5 best-selling British sports cars manufactured by British Leyland?
### Response: 1. MGB; approximately 524,000 were produced
2. Triumph Spitfire; approximately 315,000 were produced
3. MG Midget; approximately 235,000 were produced
4. Triumph TR7; approximately 115,000 were produced
5. Triumph TR6; approximately 92,000 were produced