A spokesman for GM did not immediately respond to a request for comment.
"Such an aggressive timeline is classic Elon Musk, especially considering that components of Gigafactory 3, such as the advanced manufacturing robots and machinery that would be used to build the vehicles, would likely be coming from overseas", the report said.
The change represents a net price increase for Tesla buyers.
This week, US -based electric vehicle manufacturer Tesla announced that it reached a deal with the government of Shanghai to build a second "gigafactory" in China.
Farewell, tax credit, we barely knew ye.
There's no guarantee that the trade war will still be raging in a few years when the factory begins production, but local manufacturing hedges against future trade barriers.
The Norwegian Consumer Council stated on July 4 Tesla had climbed to fourth place in the first six months of this year in the list of companies Norwegians complain about the most, up from 24th in 2017.
Many of those same buyers who have not yet received their cars have waited for Tesla to follow through on its promise to build a vehicle for $35,000.
According to Teslarati, a multi-platform company with a focus on everything that Musk has, vehicle production at "Gigafactory 3" would start two years after its construction begins.
Months after the company imposed the goal of producing 5,000 Model 3 vehicles per month, Tesla's CEO and founder Elon Musk congratulated factory workers for finally meeting the company's own target at the end of June.
The incentive program was established to help jump-start the electric vehicle industry by subsidizing the costs of developing new technologies in its early years. When the base Model 3 becomes available, many may sell for about that price with Autopilot, all-wheel drive, or the premium package, plus an optional paint color or wheel choice.
Elon Musk plans to build the most advanced electric vehicle factory and expects an annual production capacity of 500,000 units.
Former Tesla employee Martin Tripp has filed a whistleblower tip with the Securities and Exchange Commission in which he alleges the company lied about Model 3 production numbers and put unsafe batteries in its cars, The Washington Post reports.