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

Simeone museum lays out history of competition sports cars

Unlike Europe, with its multimillion-dollar manufacturer-sponsored auto museums, the United States has built its auto museums almost entirely with private money. Traveling around the country, you can find spectacular collections such as the Nethercutt in Sylmar, Calif., small enthusiast-run museums such as the Pierce-Arrow museum in Buffalo and everything in between. There are museums for hearses, microcars, tractors and every conceivable form of transport--including a museum in Ferndale, Calif., for human-powered vehicles.

2014 Porsche Macan video review

The all-new Porsche Macan is likely to become the brand's best-selling model. The compact SUV is a rival for cars such as the Audi Q5, BMW X3 and Range Rover Evoque and MSN Cars got behind the wheel to test the Macan's abilities on the road, off-road and on a test track. The Macan is Porsche's second SUV - it's a baby brother to the larger Cayenne and goes on sale in April, with prices starting from £43,300.

Audi RS6 Avant is the Audi R18 e-tron quattro for the road (video)

Audi compare the Audi R18 e-tron quattro (pictured) to the RS6 Avant We’re not entirely sure how Audi has come to the conclusion that the RS6 Avant is comparable to the Audi R18 e-tron quattro, but they have. In a new video to promote the RS6 Avant – perhaps the pick of the crop of current uber-estates – Audi has the e-tron quattro out on the road in a series of familiar everyday pursuits. So we get the e-tron quattro waiting patiently to collect hubby from the airport, as the c ar to drive to the hills to ride a mountain bike, outside a hotel with luggage on the pavement, collecting the kids from school, parked on the river bank for a fishing trip and as a dog transporter.