1987 6.9 liter diesel fuel economy?

The fuel economy of a 1987 6.9 liter diesel engine can vary depending on several factors, including:

• Vehicle type: The fuel economy will differ depending on whether the engine is in a pickup truck, van, or other type of vehicle.

• Transmission: Manual transmissions generally offer better fuel economy than automatic transmissions.

• Driving conditions: Highway driving typically provides better fuel economy than city driving.

• Maintenance: Proper maintenance, such as regular oil changes and tune-ups, can help improve fuel economy.

Based on available data, the average fuel economy for a 1987 6.9 liter diesel engine is around 12-15 miles per gallon. However, it's important to note that this is just an estimate, and your actual fuel economy may vary.

Here are some resources that you may find helpful:

*This website allows users to track their fuel economy and compare it to others.

• Forums: Online forums dedicated to classic vehicles often have discussions about fuel economy.

I hope this information is helpful!