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

One Lap of the Web: New Transformers, home-built cars and two Mercury Marauders

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. -- Michael Bay has been releasing the cars of “Transformers 4” for the past couple of months, and the latest one to be revealed is the Pagani Huayra (“why-ra”).

Tesla rolls out Model S hatchback, plans late 2011 start

Amidst thumping techno and inside his own rocket factory, Tesla founder and CEO Elon Musk pulled the cover off his much-anticipated second car onThursday. The Model S five-door hatchback will go into production in late 2011 at a rate of 20,000 per year. Prices will start at $49,900 for the base model, a price that assumes the $7,500 current Federal tax credit available.

Money Advice Service’s Online Tool Helps Buyers Choose Wisely

NEW researched published by the Government-backed Money Advice Service (MAS) has found more than half of people who purchased a used car underestimated the running costs. Some 56% of motorists said that total cost, including maintenance, repairs, insurance and fuel had turned out to be higher than anticipated, while one in five (20%) have resorted to going into debt just to keep their vehicle on the road. One in four (26%) of the 3,000 people surveyed who have bought a second-hand car since 2012 now has regrets about their purchase, with many of them saying they had not worked out whether it was really affordable or that the purchase price was too much in the first place.