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--Audi --

AUDI R8

The Audi R8 is an all-wheel-drive, mid-engined sports car that shares a platform and other mechanical components with the Lamborghini Gallardo super car. Despite its high performance capabilities, the R8's user-friendly nature and comfortable actually make it suitable as a daily driver. First introduced in 2008, the R8 now features Spyder (convertible) and V10 variants.
The heart of the R8 is a high-revving 4.2-liter engine that delivers 430 horsepower at 7,900 rpm. Peak torque is 316 lb-ft from 4,500 to 6,000 rpm, with no less than 90 per cent of this output maintained from 3,500 all the way to 7,600 rpm. The claimed zero-to-62 mph time is 4.6 seconds, though that number is likely conservative.
Two transmissions are available: a manual 6-speed gearbox or optionally the Audi R tronic sequential-shift automatic gearbox, a slightly jerky single clutch unit. A full automatic mode is included for convenience's sake, while Sport mode, with its fast shifting, guarantees the absolute maximum in terms of driving fun.
The car is fitted with permanent quattro four-wheel drive, which distributes the power variably to the front and rear axles by way of a viscous clutch.
The chassis
The chassis features forged aluminum double wishbones at the front and rear. At the front they are triangulated, while at the rear the top one is triangulated and the bottom one is a triangulated wishbone with a track rod. This setup has proved itself to be the ideal solution in delivering agility and maximum steering precision.
Direct, hydraulic rack-and-pinion steering provides optimum feedback to assist the driver.
The spring and damper set-up is stiff in order to deliver maximum driving dynamics, while still providing a high level of ride comfort. This is particularly true when the 'Audi magnetic ride' adaptive damper system is chosen as an alternative to the standard gas-filled shock absorbers.
Instead of the conventional damper fluid, a magnetorheological fluid is used -- in other words, a fluid whose viscosity can be influenced by an electromagnetic field. This effect enables the damping characteristic to be influenced electronically at will and instantaneously, by applying a voltage to the electromagnets.
Audi magnetic ride uses this property to deliver the correct damping forces in every driving situation. A computer determines the prevailing driving situation in a matter of milliseconds. Drivers can choose from two driving programs depending on whether they want to drive in a highly sporty style -- with the magnetorheological fluid adjusted to a low viscosity -- or with the emphasis more on ride comfort.
The Audi R8 is fitted with 6-arm 18-inch wheels as standard, and can optionally be ordered with 19-inch wheels. The 235/40 size tires at the front and up to 285/35 at the rear provide the necessary road-holding. The mid-engined sports car's long wheelbase and extremely low center of gravity ensure that it always retains maximum stability.
FOR MORE DETAILS USE THIS LINK- http://www.leftlanenews.com/new-car-buying/audi/r8/#

--BMW--

BMW M6

Third-gen M6 gets 560hp power from M5 saloon to make it the fastest car in-class

- Should I just call them the coupe and cabriolet versions of the M5?
Feel free to call them whatever you want mate, but the official names for the two-door M5 is M6 Coupe and Convertible.
Both will make their maiden appearance simultaneously at next month's Geneva motor show where the M party will be further intensified with the M550d, M550d Touring, X5 M50d and X6 M50d _ all four using an all-new tri-turbo six-cylinder diesel engine as featured in Life late last month.

Steering wheel is new.

- Super! How fast is the M6?
As already indicated in the deck above, the M6 gets its power from the M5 saloon, that is, a 560hp/680Nm 4.4-litre twin-turbo V8 petrol head and seven-speed dual-clutch automatic transmission.
It replaces its predecessor's tuneful, atmospheric 506hp 5.0-litre V10 albeit jerky, unresolved automated manual gearbox known as SMG in BMW speak.
According to BMW, the M6 Coupe goes from 0-100kph in 4.2sec _ 0.2sec faster than the M5 yet achieving the same 10.1kpl average fuel economy. The M6 Convertible does 4.3sec.
And if you'd care about top speed, the M6's speed limiter can be upped with the M Driver's package from 250kph to 305.

M6 is available both in coupe and cabrio bodies.

- Is there an M differential?
Of course, and it's part of a series of dynamic-enhancing features to make the M6 both enjoyable and easy to drive which can be found in the M5.
In fact, the styling enhancements of the M6 reflect those on the M5 like the accentuated vents in the bumpers. However, note the M6's bespoke, less chunky steering wheel.
- It looks quite nice. What about its rivals?
Like the 6-series it is based on, the M6 is nearly in a class of its own. The only luxury coupe (in the 15 million baht price bracket) to come with spicy performance treatment is the Jaguar XKR-S, which has a 550hp 5.0-litre supercharged V8 but is 0.2sec slower than the M6 from 0-100kph at 4.4sec.
The Aston Martin DBS, Bentley Continental Supersport and Mercedes-Benz CL63 AMG compete a notch higher in the 20 million baht range.
- What about the CLS63 AMG?
The CLS is more of a four-door saloon with a coupe-style profile. But don't think that Mercedes is the only one doing something strange. BMW has already announced this year the first details of the 6-series GranCoupe _ with four doors quasi-style like the CLS.
But what BMW hasn't revealed yet for its third 6-series model is the M power package the Coupe and Convertible have received here this week.
Spy shots in Europe have indicated that the M6 GranCoupe is undergoing durability tests on public roads and should go on sale within two years.
The M6 GranCoupe{aac} is likely to get that same 560hp powerplant. We'll just have to wait and see if it can match the CLS63 AMG in acceleration terms.
With a 525hp/700Nm 5.5-litre twin-turbo V8, the hot CLS does 4.4sec _ the same like the M5. With the 549hp/800Nm AMG performance pack, the time is cut by 0.1sec.