- 4-speed automatic: This transmission is the standard option for the 1991 Taurus V6. It is a reliable and durable transmission that offers smooth shifting and good fuel economy.
- 5-speed manual: The 5-speed manual transmission is a popular option for performance-minded drivers. It offers more precise control over shifting and allows the driver to keep the engine in the optimal power range.
Ultimately, the best transmission for your 1991 Taurus V6 depends on your individual needs and preferences. If you are looking for a reliable and fuel-efficient transmission, the 4-speed automatic is the best option. If you are looking for a more engaging and performance-oriented transmission, the 5-speed manual is the best choice.