Bentley has begun conceptual work on a new high-riding saloon that it’s preparing to launch as its first fully electric car. The radical model will further the firm’s ambition to establish itself as the most environmentally and sustainably led premium luxury car maker in the world.

In their bid to establish global leadership in these areas, Bentley bosses want to follow this year’s launch of the brand’s first hybrid models by revealing its first electric car by 2025. That date is already challenging designers and engineers as they wrestle with delivering a vehicle with sufficient range for customers looking for a grand touring experience along with the performance capability of today’s cars.

Heavy investment in battery technology is already helping to reduce the cost and improve the capability of batteries. However, it’s believed that the next notable step forward will come when solid-state batteries reach production, something that is not expected to happen until closer to the end of the decade. As such, Bentley is likely to launch its first electric car using a more mature version of today’s lithium ion battery technology.

However, Bentley CEO Adrian Hallmark has hinted to Autocar that his teams have already hit on one potential solution by designing a car with similarities to, but more extreme than, the Jaguar I-Pace. This machine combines a traditional saloon shape with a higher-riding bodystyle to accommodate the battery pack without pushing up into a full-SUV format, which is aerodynamically inefficient and therefore reduces range.

The upcoming Jaguar XJ and a related J-Pace model, plus a Land Rover – dubbed the Road Rover but not expected to carry that name into production – are set to follow a similar path, although Bentley’s interpretation is being envisioned to set new performance benchmarks for the industry.

“If we’re to launch an electric car in the mid-2020s, then it either needs to be smaller than today’s cars or the same size but not as upright, and smaller isn’t an appealing solution, as it implies a lower price segment,” said Hallmark. “The prediction is battery technology will have moved forward again by that date and that will put us at the edge of what we think we need to give customers: 300-350 miles of range, or enough to cruise at a 65mph average for five hours.

“We need to be looking at how we can deliver slippier cars with a profile that gets the most out of it aerodynamically in order to deliver on that promise.”

The target date of 2025 and Hallmark’s comments confirm growing evidence that the first Bentley EV will crown a position of environmental and sustainability leadership that the company has been building towards in recent years.

Bentley’s Crewe factory was certified as carbon-neutral late last year, underlining an increasingly holistic approach to sustainability that has extended as far as making honey from on-site beehives.