The Land Rover Discovery 3.0 D300 R-Dynamic HSE in Eiger Grey, Call us today at Grange Swindon to book your test drive. 12 months warranty included!. The Land Rover Discovery 3.0 D300 R-Dynamic HSE in Eiger Grey featuring 3D surround camera, Apple CarPlay, heated and cooled front seats, complete with driver memory settings for personalized ease. keyless entry and a powered tailgate. Call us today at Grange Swindon to book your test drive.