The Nissan Sport Sedan features a floating roof, similar to the GT-R
The design themes shown on the Nissan Sport Sedan Concept will feature on the firm's new VW Golf rival as well the next Micra
More styling differentiation between models is important given Audi's still-grown range
Answering criticisms of 'Russian doll' styling across model ranges, Audi is to create more differentiation between its cars and do more to promote quattro AWD models
Infiniti showed high-performance Eau Rouge concept variant of its Q50 saloon in Detroit
Performance saloon and sports car flagship models are being planned in an effort to broaden the brand's appeal
The Porsche 911 Targa was revealed at the Detroit motor show
A great deal of work has gone into perfecting the roof mechanism on the new Porsche 911 Targa – and it shows
The Nissan NV200 Taxi is the new "Taxi for London’"
A lot may consider Nissan's NV200 Taxi completely unrelated to anything that's gone before it, but the links are there - if you look hard enough
New weight-saving construction methods and more efficient structures will benefit JLR's model range
JLR is researching natural structures and ancient architecture in a bid to save weight in its cars and cut their CO2
Despite the One Ford policy, Ford still offers a China-only Escort
The strength of a brand and the need to produce different cars for different regions are so often inversely proportionate
The 911 Turbo S makes 552bhp - great for top trumps, but can be frustrating on congested UK roads
Is the enjoyment of driving 500bhp-plus cars tempered by the infrequency with which it's possible to deploy their firepower
Christmas is a time to go in search of used car bargains
Unearthing the best car deals online is one of the favourite pastimes of car lovers over the Christmas period
The 4C is at the heart of the latest revival plans for Alfa Romeo
Can the latest plan to revive Alfa really work?
Volvo is among the manufacturers working on autonomous models
A car that'll do your shopping? Now that sounds like an appealing use of autonomous vehicle technology
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