FLINT, MI—GM will invest $877 million to set up a new body shop at its assembly plant here, its oldest North American factory.

Here's a good bar-bet question: What is the most American-made vehicle in the United States? The Ford F-150? The Chevrolet Corvette? Close, but no cigar.

ARLINGTON, TX—General Motors will spend $1.4 billion to fund a slew of upgrades for its assembly plant here. The investment will cover a new paint shop, body shop and general assembly area.

DETROIT—At separate ceremonies earlier this week, the UAW officially opened negotiations for new collective bargaining agreements with FCA US and General Motors.

DETROIT—In contract talks with the Detroit 3, the UAW will seek to boost the pay of veteran Tier 1 workers, who, union officials point out, haven’t had a wage increase in a decade. But that doesn’t mean their pay hasn’t gone up.

ORION, MI—GM will pump in $245 million into its assembly plant here to launch new vehicles, creating 300 employment opportunities.

LANSING, MI—GM will spend $175 million on new tooling and equipment for its Lansing Grand River assembly plant to produce the 2016 Chevrolet Camaro. The facility will also add a second shift, boosting its workforce by 500.

FORT WAYNE, IN—GM will spend $1.2 billion to revamp its pickup truck assembly plant here. Plans call for improving the paint shop, expanding the body shop, and upgrading the assembly area.

DETROIT—General Motors has confirmed plans to invest $5.4 billion at its U.S. assembly plants over the next three years to strengthen its production capabilities and enhance product quality.

ARLINGTON, TX—GM is looking to boost production of sport-utility vehicles with a $1.3 billion expansion at its assembly plant here. The company intends to add 1.2 million square feet of space to the existing facility over the next three years, and is expected to create 589 new jobs.