Apple 15.4" Macbook Pro With Touch Bar (late 2016, Silver) on 2040-parts.com

One Lap of the Web: Porsche 959s, the Alfa Romeo 4C and the Mercedes-Benz A45 AMG vs. the BMW M135i

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. -- When initially produced to satisfy FIA homologation requirements in 1986, the Porsche 959 was the world's fastest street-legal production car.

BMW 5-Series Gran Turismo (GT) concept unveiled

The BMW 5-Series GT - Due to launch at Frankfurt in September [ad#ad-1] The Germans do love a niche or two. Audi seems to be trying to cover everything from a runaround to a supercar, and Mercedes has gone as far as to build an S-Class people carrier (the R-Class) and a super-luxo-barge (Maybach). But BMW play the game as well – the BMW X6 being a good case in point.

RM's Auburn auction caters to car enthusiasts over Labor Day weekend

RM Auctions may be best associated with high-end sales that feature fewer than 200 vehicles, but don't let its reputation fool you. Since being established in July, Auctions America by RM Auctions has secured more than 1,000 vehicles for its inaugural Auburn Fall Collector Car Auction, Sept. 2-5.