Chevrolet Impala Limited 2014 Owner's Manual page 317

Technical Data 12-3
Capacities
Application
Metric English
Fuel Tank (RPO FHS) 66.3 L 17.5 gal
Wheel Nut Torque 140 100 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Engine Specifications
Engine VIN Code Transmission Spark Plug Gap
3.6L V6 3 Automatic 1.10 mm (0.043 in)