"flagship range" is correct and usable in written English.
You can use it to refer to a particular range of products or services that are considered to be the best and most important in a company's selection. For example, Apple's iPhone series is often referred to as its flagship range.
HTC has announced the latest addition to their flagship range of One smartphones: the HTC One Max.
The Sport is a slightly smaller and less expensive — by some $20,000 — offshoot of the flagship Range Rover, itself redesigned for 2013.
Analysts said that barring a global economic recession, they expected Jaguar Land Rover to continue to do well because it was about to release several new models, including a redesigned version of its flagship Range Rover and the F-Type.
Heck, it's not really surprising that it took close to forever for Ford to replace the BMW 7 Series motor in the flagship Range Rover; the backstory is that BMW sold Land Rover to Ford, but in the interim had transformed the Range Rover into pretty much the best sport utility vehicle (SUV) on the road.
And as the Range Rover Sport complements the flagship Range Rover, so too will the Discovery Sport complement a proper full-size Discovery, which will supplant the LR4 next year, looking a lot like the Discovery Vision concept unveiled during the 2014 New York auto show.
RANGE ROVER If you liked the recently introduced redesign of Land Rover's flagship, the Range Rover, you will probably like the Sport version, too.
Sales of the company's flagship Lumia range running Windows Phone 8 are rising but the Finnish manufacturers are still suffering yearly operating losses.
£499.95, nokia.com 2. Samsung Galaxy S4 From Samsung's flagship Galaxy range, this fourth-generation smartphone is bursting with social media-integrated features, such as the Story Album, which pulls together multimedia content to create a personalised timeline.
The camera boasts six lenses, next-generation imaging software and can take photos in low ligh 2. Samsung Galaxy S4 From Samsung's flagship Galaxy range, this fourth-generation smartphone is bursting with social media-integrated features, such as the Story Album, which pulls together multimedia content to create a personalised timeline.
The Nexus 7 is the middle-child in Google's flagship Nexus range, on sale alongside a smartphone (the Nexus 4 – with a four-inch screen) and a larger tablet (the Nexus 10 - I'm sure you can guess where it got the name).
The estimated effects on flagship enrollment range from 8.5 percentage points to 15.7 percentage points in the IK specification.
