1989 Lexus LS 400 mixed city/highway mileage

Mileage on odometer: 
153,851.00
Miles driven: 
311
Fuel added: 
18.626
Fuel type: 
85
Cost: 
50.27
Calculated Mileage: 
16.6971

Mileage for this trip:

16.7 miles per gallon.