Starting with the the 530d GT, this comes with a 3.0-liter inline-six diesel that gets an extra 14 PS (13 hp) and 20 Nm (15 lb-ft) of torque for a total of 255hp (258PS) and 560Nm (413 lb-ft). Despite this increase in power, the engine is actually a tiny bit more efficient as well.
In addition, the BMW 535d Gran Turismo also has a boost for its straight-six engine, and as of July, the models sold will provide a total of 313 horsepower (230 kW) and 630 Nm of torque from just 1,500 rpm.
Meanwhile, for the top-of-the-range 550i GT, the turbo V8 engine has been boosted by 40hp (43PS) and 50Nm (37 lb-ft) to 443hp (450PS) and 650Nm (470 lb-ft) of torque.
To make sure you get the best of the economy, starting this July, the 5-Series Gran Turismo gets Auto Start/Stop as standard, together with electric power steering and Driving Experience Control with ECO PRO mode.