Gen1 Wheels, Tires, Brakes, & Suspension
The Cruze LS comes with P215/60R16 tires, as a result the Odo is calibrated to this, that being 771 revs/mile and 5280 feet in a mile.
When Car and Driver did their analysis of the LTZ they noted one mile being 5317 feet instead of 5280. Whether they calculated this, or measured it is unclear...