For the 2015 model year, Aston Martin has upgraded each car under the skin and the results are super impressive.
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2015 Aston Martin VanquishEnlarge Photo
The brilliant minds at ZF were able to utilize the existing gearbox case for the new system. This means they were able to cram two more gears into the same space as before, which means Aston Martin didn't need to fuss around with revising interior room or trunk space. Additionally, the new eight-speed weighs 8.8 pounds less than the outgoing unit, cuts the 0-60 mph time by half a second, and pushes top speed over 200 mph for each car. In fact, the Rapide S actually has a higher top speed than the Vanquish thanks to bodywork that's just a bit more slippery.
2015 Aston Martin Rapide SEnlarge Photo
Engine management has been upgraded thanks to a pair of ECU systems from Bosch. There's one ECU per bank of cylinders, and these have pushed the horsepower and torque figures up a few ticks. The Rapide S now produces 552 horsepower and 465 pound-feet of torque, while the Vanquish jumps to 568 horsepower and 465 pound-feet of torque.
While the power jump is appreciated, future owners may also enjoy improved fuel economy figures. We're not exactly dealing with a pair of Priuses here, so don't expect 30 mpg on the window sticker. The Vanquish improves its combined and highway figures by seven percent and 11% respectively, which represents a jump to 16 mpg combined and 21 mpg on the highway. Rapide S drivers should see 17 mpg combined and 22 mpg highway, which are improvements of 13% and 16% respectively. In addition to the ECU assistance, Aston Martin worked with Pirelli on the tires and a lower-rolling resistance compound was utilized. That sounds a bit lame since you're used to hearing the term applied to hybrids, but we can assure you that the driving dynamics haven't been compromised.
In fact, they've been improved.
The ride, handling, feel, and any other term one applies to how a car drives have all received a healthy dose of re-engineering. Out back, the suspension geometry has been altered and the rear subframe has been modified. Stiffer anti-roll bars have been applied to the rear end as well. Up front, the brake rotors have increased in size and the brake boost has been refined as well.