The Tesla Model S overcame a few concerns to land a perfect score from CR testers.

The Tesla Model S P85D not only received the best score of any vehicle ever tested by Consumer Reports magazine, it somehow managed to earn 103 points on a 100-point scale, the often skeptical non-profit magazine has announced.

The P85D is the longer-range, higher-performance version of the Tesla battery-electric sedan that already was hailed by Consumer Reports in previous tests. The latest glowing review comes despite a warning issued by the magazine in May that a P85D it was using had become “undriveable” because of a series of problems.

“When the Model S P85D was evaluated at Consumer Reports’ test track in East Haddam, Connecticut, it initially earned a raw 103-point score in a system that by definition doesn’t go past 100. Consumer Reports had to make changes to its scoring methodology to account for the car’s exceptionally strong performance,” the magazine said in its new report.

Among other things, CR declared the P85D the quickest car it has ever tested, though it also noted it took a full 3.5 seconds to launch from 0 to 60, rather than the 3.1 seconds claimed by Tesla for this version of the Model S. The California carmaker recently said it is preparing a new version of the Model S that will be able to cut launch times down to 2.8 seconds in what it calls “Luuudicrous Mode.”

(For the latest news on Tesla products — and finances — Click Here.)

Tesla claims the high-performance AWD version of the Model S delivers McLaren-like performance.

“The P85D represents a glimpse into the future of automotive technology in which cars will be more energy-efficient than ever, while still delivering a terrific blend of performance and practicality,” said Consumer Reports’ director of automotive testing, Jake Fisher. “The Tesla is a shining example of how higher fuel economy standards can be achieved without sacrificing performance.”

Until recently, the P85D was the longest-range version of the Tesla Model S, capable of 253 miles per charge, according to the EPA. A new P90 model is expected to nudge the 300-mile barrier, however. With two electric motors, meanwhile, the Model S P85D was the first Tesla to offer all-wheel-drive.

The record-high rating exceeds the numbers landed by such vaunted competitors as the Mercedes-Benz S550, the big luxury sedan garnering a 96, as well as the 99 points an earlier version of the Model S earned in 2013.

The announcement might come as a surprise to some, however. In May, CR said a version of the $127,000 it was testing P85D turned out to be “undriveable,” because of problems with the automatic door handles that are supposed to extend out when someone with the key approaches the vehicle. It’s an issue that others have been complaining about.

(CR calls earlier Tesla “undriveable.” Click Here for more.)

CR last year noted that owners have complained about some other glitches with the Model S, stating that the battery sedan has had “more than its share of problems.”

The Model S interior is still not up to the standards of some competitors, said CR.

And in the latest review, the magazine did cite a few concerns, noting, “The interior materials aren’t as opulent as other six-figure automobiles that the organization has tested, and its ride is firmer and louder than the base Model S.”

Meanwhile, the magazine echoed broader concerns about electric vehicles, adding that, “While no other fully electric car comes close to its 200-mile-plus range, a lengthy road trip can be a logistical hurdle if a quick-charging station isn’t along the route.”

Tesla has been trying to address that issue by setting up a network of so-called “Supercharger” stations across the U.S. They allow a driver to get an 80% recharge in as little as 15 minutes. But Tesla has also cautioned motorists not to always rely on the Superchargers. Many battery experts warn that such high-speed systems can reduce battery life.

(Tesla announces first incentive program – but gives it a social spin. Click Here for more.)

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