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The original quattro centre differential (1980). Volkswagen Group has been developing four-wheel drive (4WD) systems almost since its inception during the Second World War.The Volkswagen Kübelwagen, Volkswagen Schwimmwagen, and Volkswagen Kommandeurswagen were all military vehicles which required all four road wheels to be "driven", the latter being a 4WD Volkswagen Beetle.
Haldex Traction is a manufacturer of intelligent all-wheel drive (AWD) systems, founded in Sweden. Since the invention of Gen I in 1998, the company produced several generations of products licensed to and customized for some major automotive brands, that in turn have marketed Haldex Traction AWD under different names.
A Haldex system does have slightly better mpg because it has less rotating mass. This is because a center diff system has 3 diffs, 3 driveshafts (although one is rather short in an Audi) and 4 halfshafts. A Haldex system has 2 diffs, 1 driveshaft and 4 halfshafts.
The Audi S1 was Audi's smallest S model car and a performance version of the Audi A1.The first variant (Typ 8X, produced from 2014 to 2018) has 228 hp (231 PS / 170 kW) derived from the Volkswagen group's EA888 2.0 litre turbo four cylinder, and on demand Haldex Quattro four-wheel-drive.
The Audi quattro concept is a concept car produced by Audi and presented at the Paris Motor Show in 2010. It commemorates the 30th anniversary of the original Audi Quattro and the Audi quattro four wheel drive system. Based on the Audi RS5, it features a modified 2.5L five-cylinder TFSI engine and the sixth generation of quattro transmission. [1]
Many variations of the A4 were also available with Audi's quattro four-wheel drive system. The A4 was initially introduced as a four-door saloon/sedan; the Avant (estate/wagon) was introduced in November 1995 and went on sale in February 1996. Development began in 1988, with the first design sketches being created later that year.
The Torsen T-3 is currently employed as the center differential in all non-Haldex Traction Audi models with a ZF-sourced automatic transmission Quattro four-wheel drive, such as: Audi A6, Audi A7, and Audi Q7. Audi uses a mechanical "Crown Wheel" center differential for all longitudinal implementations using dual-clutch transmissions, such as ...
The Jeep Wrangler (pictured is a TJ Wrangler) is a 4WD vehicle with a transfer case to select low-range or high-range four-wheel drive.. A four-wheel drive, also called 4×4 ("four by four") or 4WD, is a two-axled vehicle drivetrain capable of providing torque to all of its wheels simultaneously.