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Geneva motor show: Alfa 4C concept

After much speculation, Alfa Romeo has finally shown its diminutive new 4C concept in the metal in Geneva – and it could emerge as one of the stars of the show.
Recent offerings like the Mito and Giulietta have received mixed praise, but it looks like the Italian marque is back on form with the stunning roadster, which previews a range-topping coupe that will go on sale in 2012.
Gallery: Geneva Motor Show 2011
More affordable than the stunning and exotic 8C supercar, the 4C will go on sale at around f38,000. There are enough exotic materials in the 4C concept to keep everyone happy, though – the body is made entirely out of carbon fibre, while the composite chassis and tub come straight from the KTM X-Bow, on which the 4C concept is based. Weight is said to be less than 850kg.
Power comes courtesy of the 1.75-litre turbocharged petrol engine found in the Giulietta, but tuned here to provide 250bhp. The rear wheels will be driven via Alfa’s TCT twin-clutch gearbox. Top speed is said to be over 155mph, whilst 0-62mph is dispatched in under five seconds.
Overall, it’s intended as a classic Alfa with a modern twist – all of the traditional elements are there, such as the rear-wheel-drive and shield-like grille, but the low weight and small engine are nods to the environment and the clean lines manage to look quite modern.
Alfa intends to make 20,000 of the coupes over a five-year run when production starts next year.
Gallery: Geneva Motor Show 2011
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2009 Hyundai Sonata SE V6 – Short Take Road Test – Auto Reviews – Car and Driver
For 2009, Hyundai took its satisfying Sonata mid-size sedan—already a more-than-credible alternative to the segment’s entrenched big dogs—and endowed it with more power and refreshed styling inside and out. As enthusiasts, however, we were most interested in what the company had done to improve the “sporty” SE trim—namely, whether or not it’s actually sporty.
It’s No Hyundai Quattroporte, but It’s Better Than Before
The SE is obviously no sports car, but it does now boast a bit more enthusiasm in its footwork. Previously more of an appearance package than anything else, the 2009 SE rides on all-season rubber (Kumho Solus KH16 tires) but gets a unique state of tune for the control-arm front and multilink rear suspension.
Other than the suspension upgrade, the $1600 increase for the SE model includes 17-inch aluminum wheels, a power driver’s seat, steering-wheel audio controls, and a telescoping steering wheel.
The body control is good, and the damping even more so; the SE’s firmer suspension and thicker anti-roll bars fix a lot of the complaints we had about the floppy feel of our
. The SE corners confidently, with its 0.78-g skidpad performance just 0.03 g behind that of the
, a familiar benchmark for sporty family sedans. Braking is just a tad behind the segment leaders, with 70 to 0 mph taking 177 feet in the Sonata versus 173 in the Altima 3.5 and 170 in a V-6
.
The steering is accurate but disappointing in that it’s pretty lifeless on center and doesn’t get any better as you move the wheel. You might be tempted to conclude that feel is a sacrifice to the front-drive understeer gods—and the Sonata understeers a
lot— but the manages to communicate what’s happening at the front wheels.
The 249-horse—up from 234—V-6 sounds great, and with 229 pound-feet of torque, it provides plenty of usable grunt. The five-speed automatic is above average, too, but both automatic and manumatic modes are too slow-witted for spirited driving; we got a bit frustrated waiting for the called gear to show up. Shifts, once the box decides to initiate them, are smooth.
Furthermore, manumatic mode no longer holds ratios and shifts far before redline, though, which likely accounts for the new car’s 6.9-second 0-to-60-mph time—0.3 second slower than the time we got from a 234-hp 2006 model. Four-cylinder SE buyers can opt to row their own gears, with a five-speed manual as standard.
Article source: http://www.caranddriver.com/reviews/car/08q2/2009_hyundai_sonata_se_v6-short_take_road_test
On The Green Bandwagon With Nissan – Feature – Auto Reviews – Car and Driver
After years of pushing performance, Nissan is now scrambling to catch Honda and Toyota in the runaway green market. The company summoned journalists to its headquarters near Yokohama, Japan, for a peekaboo at forthcoming environmental and safety tech. Here’s an appetizer:
What: Rear-drive hybrid transmission for V-6 engines.
When: 2010.
How: Unlike Toyota’s hybrid transmissions, which are continuously variable, the Nissan transmission from Japanese supplier Jatco has seven speeds. A husky flywheel motor/generator sandwiched between the transmission and engine can be the sole source of power up to a lofty 60 mph before the engine switches on. There is no torque converter. Electrohydraulic clutches at both ends of the transmission govern power flow, allowing the motor to propel the car while decoupling the engine, the engine to stop and start while the car is rolling, and if necessary, the engine to charge the lithium-ion battery pack while the car is stopped. A supplemental electric pump supplies transmission- and clutch-oil pressures at stops.
Driving: The 3.5-liter V-6 Nissan Skyline prototype (Infiniti G35 in the U.S.) steps off with a V-8’s snap on combined engine/electric power. Step lightly, and it accelerates on electric to 25–30 mph. Going faster on electrics alone requires a feather-light foot on the gas. Most EVs have no step gears, so the silent upshifts of the seven-speed feel strange. At a 60-mph coast, the engine will shut off. Nissan was mum on power output and fuel savings, but we estimate motor power in the 125-to-150-horsepower range and combined output at 350 to 375 horses, with combined fuel economy a couple of mpg below 30.
What: Side collision prevention.
When: 2009 or 2010.
How: Lane-departure and blind-spot warning systems are already in production, usually annoying the driver with beeps or flashing lights when the car thinks he or she is about to do something stupid. Nissan goes one further. When a vehicle is detected in the blind spot, a warning appears in the mirror. If the driver veers over anyway, the car activates the brakes on the opposite side, thus yanking it back from danger. Similarly, the car will brake automatically if it detects an object to the rear while backing up.
Driving: The “All Around Collision Free Prototype” can indeed be crashed if you’re determined, but if you heed the gentle brake applications, they will veer the car away from impending calamity. Nissan adds another step on the long stairway to the
and this magazine’s ultimate demise.
Article source: http://www.caranddriver.com/features/08q4/on_the_green_bandwagon_with_nissan-feature