Audi's e-tron SUV is being delayed from launch by around four weeks because, reports say, of a software issue related to the model's development process.

Reuters reported that Audi needs new regulatory clearance for a piece of software that was modified during the development process.

Reuters also cited reports of delays in the German newspaper Bild am Sonntag. The paper also said that Audi is locked in price negotiations with battery supplier LG Chem - which supplies batteris to VW Group.

The Audi e-tron is Audi's first all-electric model and will be made at a CO2-neutral plant in Brussels. Initial deliveries to European customers are planned for late 2018. The starting price of the electric SUV in Germany is 79,900 euros.

Several Volkswagen Group brands are collaborating on the development of the modular electrification platform (MEB), which serves as the basis for a series of Audi e-models, particularly in the high-volume A segment. One of these is being developed specifically for the requirements of China, the single most important market.

Audi AG will also expand its range of plug-in hybrid automobiles.

See also: Audi aims for 800,000 pa electrified sales by 2025

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