The thing about alternative choices is that they’re only worth having if they don’t stray too far into left field; if they’re viable, basically.

A cosmonaut’s wristwatch with laser beams instead of hands and a casing made of recycled ex-Soviet missile parts might seem fascinating, but if it costs twice as much as the average automatic watch, needs six hours of direct sunlight a day to keep it working and isn’t actually very easy to read, the novelty value won’t last long.

It’s a truth that Japanese luxury car maker Infiniti knows only too well. The brand is more than 25 years old, but it has only had an official presence in Europe since 2008.

That Infiniti has yet to make more than the faintest impression here has much to do with its negligible brand awareness with the general public, a very small dealer network and a lack of the right kind of engines for the European market.

The little-known, equipment-rich, pricey, petrol V6-only Infiniti G37 saloon has been the cosmonaut’s wristwatch of the compact executive saloon market these past five years. Its replacement, however, looks much more sensible – and yet still like something fresh and different.

Thanks to Daimler AG, the Infiniti Q50 has a four-cylinder 2.1-litre turbodiesel engine on offer, making it a realistic proposition for company car drivers. This car is competitive, its maker claims, in all the ways the G37 wasn’t.

Infiniti also offers a hybrid version, which couples a 3.5-litre petrol V6 petrol to an electric motor and a seven-speed automatic transmission. This version of the Q50's available with four-wheel drive too, which might tempt those looking for year-round dependability.

Does this mean that the Infiniti Q50 belongs on your driveway, or on your employer’s fleet scheme, even? Let’s find out.

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