Nissan uses a familiar method: take a standard model and use a specialist firm to fit a gas tank in place of the spare wheel. Buyers can either keep the spare and sacrifice boot space, or go for a 'get-you-home' repair aerosol. Flicking between petrol and LPG simply takes the push of an inconspicuous button. The Primera's driving experience is largely identical to that of a standard model, although the harsh engine note and stodgy gearbox will soon leave the driver wanting. But what about the car's selling point - the savings?
The Primera LPG's claimed combined fuel economy is 29.8mpg - still not good enough. But buyers of the LPG benefit from the Government's Power-shift grant, which aims to encourage greater use of alternative fuels. And with Autogas costing half the price of petrol, the savings for high-mileage drivers could soon mount up.
Tell us about your car in our Driver Power survey.
For more breaking car news and reviews, subscribe to Auto Express magazine. We'll give you 6 issues for £1 and a free gift!