Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Top Gear Tonight: Porsche 918 Spyder, Golf GTI, BMW M135i, Cycling & Aaron Paul is SIARPC

Aaron Paul (pictured with The Stig) is tonight’s Top Gear Star ina Reasonably Priced Car We’re now close to the end of the run of normal episodes of Top Gear for series 21 with episode 5 tonight, with just a single episode to go plus the ‘Christmas Special’ before the series is over. But tonight we’ll get the second of the new crop of ultimate supercars being tested with Richard Hammond off to the Yas Marina circuit to play with the Porsche 918 Spyder. Will the Porsche 918 Spyder be more impressive and, more importantly, quicker than the incredible McLaren P1 as Hammond gets to grips with its 4.6 litre 600bhp V8 and 275bhp electric motors?

One Lap of the Web: The Economist talks cars, Maria Sharapova's Porsche and crazy bikers

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Have you ever seen two motorcycles going wheel-to-wheel at 200 mph in the rain?

Porsche big up the Panamera S E-Hybrid (video)

The Porsche Panamera S E-Hybrid (pictured) is a performance Porsche too We’ve long seen hybrids, and plug-in hybrids, as the perfect performance weapon for high-end cars, where the addition of an electric motor offers an unbeatable combination of power and economy. That’s the line that Porsche are taking with the new Panamera S E-Hybrid, and they demonstrated that recently by revealing that the new E-Hybrid managed to average 62mpg in the hands of a bunch of motoring journalists on a test day. Which is an impressive number for any car in the hands of a group of people with lead-lined right feet and clearly demonstrates that the Panamera Hybrid really can do silly mpg even in the real world.