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      09-10-2012, 09:08 AM   #1027
gtron
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Drives: 2012 550iX M-Sport
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2014 Porsche  [4.50]
Quote:
Originally Posted by RaceBlood View Post
$68,000.00

it is equipped with a newer version of the R8's V8—incorporating technical upgrades from the R8's V10—boasting 450 hp rather than the 420 hp from the R8.

Perhaps the RS5 needs the extra power, bristling as it does with Audi's comprehensive technical arsenal and weighing in at a burly 4,009 pounds. But that stout motor and variable chassis control almost completely obscure the car's substantial mass.

With its maximum torque available from 4,000 to 6,000 rpm, the car's throttle response is vivid in normal operating conditions. Power builds quickly after that, maximum thrust arriving at 8,250 rpm with a thunderous accompaniment from the high-revving V8.

With its tach redlined at a lofty 8,500 rpm, the V8's maximum piston speed is more than 5,000 feet per minute (or 26 meters per second), which is right up there with F1 engines. And when hooked to Audi's fastest-shifting seven-speed dual-clutch tranny, this new V8 propels the RS5 to 60 mph in 4.5 seconds.

It will go on eagerly to reach a governed top speed of 174 mph. While the V8 exhaust cadence tends to understate the rotational speed, it provides a truly heroic soundtrack. And yet this seriously strong car somehow manages to avoid the U.S. gas-guzzler tax.

Equipped with Audi's quattro variable all-wheel-drive system, the RS5 starts off with a 40/60 front-to-rear torque split but can shift power fore and aft as surface conditions dictate, and its rear sport differential provides torque vectoring in corners to help the car turn.
that grill is horrendous.
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