Gm Aluminum Bellhousing, Race, Imca, Hot Rod on 2040-parts.com

Help MSN Cars and Driver Power to find Britain's best - and worst - new cars

Getty We're on a quest to find Britain's best new cars to buy and own - and we need your help. MSN Cars has teamed up with the Driver Power survey, Britain's biggest report of its type. It speaks to real motorists to find out what they think of their cars.

Premium Sound System For Premium Lexus SUV

JAPANESE car maker Lexus has released a new version of its RX premium SUV. The firm claims that its RX 450h Advance model is even more generously equipped than before, with the added luxury of a Mark Levinson premium 7.1 surround sound system as standard. Despite the inclusion of the Lexus-bespoke audio package (that has a £1,000 list price) and a set of new-design 19-inch alloy, wheels, the price tag for the new Advance variant is unchanged, matching its predecessor at £48,495.

Polestar boosts Volvo power with factory software upgrade

Volvo and its performance arm Polestar have developed tuning software for C30, C70 and S40 cars fitted with the T5 turbocharged engine. It increases power by 23 hp and torque by 29 lb-ft by revising valve and spark timing. The software is compatible with 2008-model-year and newer cars and goes on sale on Nov.