Geneva Motor Show 2015

Better late than never, Rimac Automobili's Concept-One all-electric hypercar is not just a concept anymore, with Rimac set to unveil a production version of the car at the Geneva Motor Show next month

Some of the best concepts of the year were high-end sports cars pointing to the future of performance driving. Here are our picks for the best of 2015.​

We took a quick look at the all-new second-generation Audi R8 in our Geneva Motor Show exotic car photo gallery, but the new supercar is definitely worth a deeper dive. That's because beyond the basic styling and engineering refresh, there's an all-new R8 model: the 455-hp (340-kW) e-tron.

One of the biggest hurdles that electric cars face in going mainstream is range anxiety. To help combat this, Goodyear came up with its BHO3 concept tire, which generates electricity by converting heat and motion into current as the tire rolls – and even when it's standing still.

Don't call it a hybrid. Christian von Koenigsegg doesn't like the term. When your car routes 1,100 hp (820 kW) and 738 lb-ft (1,000 Nm) of V8 muscle through a 700-hp electric drive (there is no gearbox), you can call your car whatever the heck you want. Koenigsegg calls it the Regera.

If the Mercedes G-Wagen can go six wheels, why not the Land Rover Defender? The British tuning shop answers with the "Flying Huntsman 110 WB 6x6," an absolutely maniacal Defender ready for world conquer.

As cars move gradually towards becoming fully automated, it won't just be the way we operate them that will be different. Rinspeed and Mercedes, for example, have both explored the how car design and use may change. Now, Italdesign Giugiaro has imagined what automobile luxury may mean in the future.

One car stands out as an absolute stunner at this year's Geneva Motor Show: Touring Superleggera's Berlinetta Lusso. Dressed in blue and clothed in alloy bodywork, it's as new as the Ferrari V12 under the hood, and simultaneously as old as the hammers used to beat the body panels into shape.

Building upon the groundwork it laid at last year's Geneva Motor Show, Liechtenstein's Nanoflowcell used this year's show to highlight two very different ways that its flow battery technology can be put to use: the Quant F hypercar and the Quantino commuter.

Porsche has used the 2015 Geneva Motor Show to unveil its most track-ready, stripped-back 911 yet - the new 911 GT3 RS. Whereas the last GT3 was all about driver involvement, however, this new one eschews its predecessor's slick-shifting manual gearbox for a fast-shifting double-clutch unit.

Nissan has unveiled a new compact hatchback concept at the Geneva Motor Show. The Sway is how Nissan says a future European hatchback might look with the brand's new design language applied. Fingers crossed, then, that it begins to apply its new vernacular liberally.

Not all show cars are vaporware and not all boutique supercars are merely dreams. The GTA Spano is a good case in point. It's got looks, it's got performance, it's got an in-house V10 engine, and it's got a prominent place at this year's Geneva Motor Show.