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Top Gear Tonight: Mercedes SLS AMG Black Series & SLS Electric, Hovercraft Car & Hugh Jackman is SIARPC

Top Gear tests the Mercedes SLS AMG Black Series (pictured) against the SLS Electric Drive We’re already halfway through the latest series of Top Gear – Series 20 – with tonight’s episode 4 leaving just two more show to go before the end of the season. Tonight we get Messrs Clarkson, May and Hammond looking for a solution for negotiating flooded regions (which just happens to be running in the longest dry spell in the UK for years) and it seems the solution is to build a car that turns in to a hovercraft. That will be the cue for the boys to appear in wetsuits as they take their creation for a trolley down the River Avon, a trip that will no doubt be more than a little eventful and wayward – hovercraft are not exactly point and steer.

Caterham 620R (2013) first official pictures

Caterham will launch its most hardcore road-going Seven ever at the 2013 Goodwood motor show. Called the 620R, the new range-topper develops 310bhp, and will hit 60mph in 2.79sec, making as fast as an a 691bhp Lamborghini Aventador. The 620R replaces the R500 in Caterham's range, and costs £49,995.

Nissan recall due to faulty airbag sensors

Nissan is recalling the Altima, Leaf, Pathfinder, Sentra and Infiniti JX35 vehicles from model year 2013 due to a problem with passenger airbag sensors. According to NHTSA, there's a chance the sensors within the passenger Occupant Detection System (ODS) were manufactured out of specification, which could keep the passenger airbags from deploying in a crash. Nissan will notify owners in April, and dealers will inspect affected vehicles, replacing faulty sensors at no charge to the customer.