The World Endurance Championship will feature a slightly larger than expected grid of 35 cars in 2015, spurred on by a significant growth in LMP2 entry numbers.

The second-tier prototype class featured just four full-time entries in 2014, but this has grown to 10 for 2015 on the back of new generation chassis becoming more widely available.

Of the ten entries, which doesn't include reigning champions SMP Racing after it chose to develop its new self-developed BR01 chassis in the more contained European Le Mans Series, only three will use the pre-existing open-top chassis designs with SARD Morand using two updated Morgan EVOs and Signatech entering the ELMS title-winning Alpine A450B.

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Instead, the Ligier JS P2 will form three entries from G-Drive Racing and OAK Racing, Extreme Speed Motorsports moves over from the United SportsCar Championship with a pair of new HPD ARX 04B, KCMG will enter the yet-to-be-revealed Oreca 05 and Strakka Racing will finally debut its much-delayed Dome-developed S103.

Furthermore, Nissan's much anticipated return to premier sportscar racing has seen the LMP1 class swell to 11 entries, while Porsche and Audi will add another car each for Spa and Le Mans.

Elsewhere, Aston Martin will enter three cars into the GTE Pro class, alongside its evergreen Porsche and Ferrari, while Larbre Competition returns with a Corvette entry in the GTE Am class, raising the number of represented manufacturers to eight overall.