Here's something you don't see every day - a new car released with a bigger engine than the previous model. Yes, bigger. It is not since the days of dear-old V8 Holden Special Vehicles that a model was deliberately rolled out with a more powerful (and thirsty) car than the one it replaced.

The search has been relentless during the past decade for cars to be more economical, without giving up the fun factor. And a result, vehicles become more powerful and in many cases more efficient, while relying on ever smaller, higher-tech power plants. Journalism for the curious Australian across politics, business, culture and opinion.

But here's the good news. Korean luxury brand Genesis - which is also forging a range of electric machines - has gone back to the future to unleash a new machine that brings firecracker performance married to impressive levels of style and luxury. It's called the G70 sport - a handsome and very plush mid-sized sedan set to shake up that luxury segment.

Just for the heck of it, Genesis has bolted a tried-and-tested, high-output twin-turbo V6 into an otherwise very sensible machine. It's not as if Genesis doesn't have perfectly good low-emissions alternatives. For instance, the company's GV60 - a high-tech SUV built as an electric vehicle from the ground up is way more sensible than the G70.

And faster. But the G70 is one of those rare machines that turns back the clock, just a little bit, with every drive. If you're wondering about how a luxury brand such a.