Video: Fifth Gear pits Audi R8 Spyder vs. Porsche 911 Turbo Cabriolet
Fifth Gear compares the Audi R8 V10 against the Porsche 911 Turbo - Follow the jump to watch the video
The problem with physics is that it is largely immutable. Less mass plus more low-end torque and comparable power generally equates to better performance. Take, for example, the Porsche 911 Turboconvertible and the Audi R8 V10 Spyder. As much as we love the design of the R8, it is rather porky at 3,792 pounds. At 3,627 pounds, the Turbo convertible is probably the heaviest 911 ever, but it's still got a 165-pound advantage over the Audi.
The Audi's V10 produces 525 horsepower to the 500 hp of the 911, although Porsche's ratings are generally considered to be conservative. On the other hand, the V10 only produces 390 pound-feet of torque with a peak at 6,500 rpm. The turbocharged and direct injected flat-six of the 911 cranks out 480 lb-ft at just 1,950 rpm.
As the gang from Fifth Gear found out, this adds up to a measurable advantage in acceleration, braking and track times for the rear-engined machine, although the Porsche did seem to be a bit more challenging to drive fast. Check out the video after the jump for the full results.
[Source: YouTube]
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