Greener might go faster.

At least that’s what NASCAR drivers Mark Martin and Jeff Gordon contend. The pair on Tuesday hit 212 mph and 214 mph, respectively, while testing new Goodyear tires in Indianapolis, AP reports.

Martin disclosed his staggering speed on Twitter:

Gordon says his team recorded him going a little bit faster. ''They said 214 and I said, 'My gosh, it really is fast,''' he said.

This amount of speed is nothing new to NASCAR. In 1987, Bill Elliot in a Ford Thunderbird set an all-time NASCAR qualifying record at 212.809 mph at Talladega Superspeedway.

More recently, the new Generation-6 model cars have proven to be superfast, breaking records almost every week, NASCAR said in a statement.

"(The Gen-6 car has) so much more grip than what we had last year," Earnhardt Ganassi Racing driver Jamie McMurray said. "I think it would be hard to find anybody say they don't like that. It turns better. It has more drive off. Everything's better about it."

This became evident at the Sprint Cup Series season opener when Danica Patrick hit 196.434 mph for the Daytona 500 pole -- the fastest in 23 years.

But not everyone is a fan.

On March 3, Toyota driver Denny Hamlin made some disparaging remarks about the new stock car and landed in trouble, USA Today reports.

“I don't want to be the pessimist, but it did not race as good as our Generation 5 cars,” he said after the race at Phoenix International Speedway. “The teams hadn't figured out how to get the aero balance right. Right now, you just run single-file and you cannot get around the guy in front of you."

NASCAR fined Hamlin $25,000 for the comments, though he has refused to pay the penalty, ESPN reports.

After NASCAR television ratings slipped and attendance fell, the organization released the new model at the start of the season to reflect cars that are sold to consumers in dealership showrooms, reports.

On the track, racers are looking for speed.

"I believe they'll perform better. I believe they'll put on better races,” NASCAR driver Jeff Burton said. “But time will tell."