1. Formula One
2. NASCAR

Formula One fans contest that driving in an oval at speeds exceeding 200 mph isn't tough, something a few drivers who have crossed over into NASCAR have discovered is absolutely false.

1. Formula One
2. NASCAR

F1 cars create a serious amount of downforce, so much that they can suck manhole covers right out of public roads, making this unusual modification before the Monaco Grand Prix necessary.

1. Formula One
2. NASCAR

During Prohibition in the United States, young men in stock cars that were secretly modified would run alcohol to speakeasies, outrunning the police along the way. This gave birth to NASCAR.

1. Formula One
2. NASCAR

Scuderia Ferrari is the racing division of the Italian automaker and it competes regularly in F1 races.

1. Formula One
2. NASCAR

Often referred to just as Junior, he racked up plenty of victories during his time in NASCAR, plus his father is in the NASCAR Hall of Fame.

1. Formula One
2. NASCAR

Nino Farina was the first Formula One World Champion. He not only had a rich family​ but was known for being stylish in his racing technique, something many other drivers mimicked.

1. Formula One
2. NASCAR

The restrictor plate was heralded as a way to keep drivers safe, but by restricting airflow to the engine, many argued they were responsible for the increasing number of multi-car crashes in the sport.

1. Formula One
2. NASCAR

Damon Hill wasn't a popular pick for an F1 driver at first, but his tenacity and toughness paid off, although he finally was unceremoniously kicked out of F1.

1. Formula One
2. NASCAR

While they're called stock cars, NASCAR racers are only loosely associated with the vehicles you find on dealership lots, making some question the validity of the term.

1. Formula One
2. NASCAR

If you look at F1 racers, there are no fenders wrapped around any portion of the wheels, making the cars true open-wheel racers.

1. Formula One
2. NASCAR

The tracks in Formula One are widely varied, with some even held on public roads, such as the Monaco Grand Prix.

1. Formula One
2. NASCAR

The Federation Internationale de l'Automobile or FIA is the organization responsible for setting all standardized rules for F1 racing.

1. Formula One
2. NASCAR

Cars in NASCAR often come into contact with each other, although most of the contact is minor, but this is completely uncharacteristic of Formula One races.

1. Formula One
2. NASCAR

As some have famously said, Formula One races are a sprint, while NASCAR races cover more racing distance, last longer, and are a marathon.

1. Formula One
2. NASCAR

In NASCAR races, many winners start off fairly deep in the lineup, while in Formula One they're often in the lead within the first few laps of the track.

1. Formula One
2. NASCAR

NASCAR racers are more like tanks compared to F1 cars, showing just how different of an approach the two sports have to auto racing.

1. Formula One
2. NASCAR

In the 1920s and 1930s, the European Grand Prix was growing in popularity, but WWII put an end to it. After the war, Formula One was created as a type of replacement.

1. Formula One
2. NASCAR

Formula One chooses to call the teams, which are made up not only of drivers but also engineers and technicians, constructors.

1. Formula One
2. NASCAR

Formula One isn't as popular in the United States, where about 75 million adults consider themselves NASCAR fans, whether they're diehards or fairly casual.

1. Formula One
2. NASCAR

Thanks to several bad crashes where drivers sustained head or neck injuries, F1 racers now have controversial halos that protect that area of the driver's body.

1. Formula One
2. NASCAR

From the fact that F1 racers are exceptionally expensive vehicles, to fans watching races from their moored luxury yachts while sipping champagne, F1 certainly has earned this reputation.

1. Formula One
2. NASCAR

While telemetry allows drivers to further tune their car while racing, in NASCAR things are kept far more old school than that.

1. Formula One
2. NASCAR

With the high speeds, steep banks, and tight corners of the track, NSCAR race cars usually suffer bent chassis during a race, a problem that has to be corrected afterward.

1. Formula One
2. NASCAR

NASCAR holds races in Mexico, Canada, Europe and other places outside of the United States. Formula One has more visible events around the globe.

1. Formula One
2. NASCAR

NASCAR has its Camping World Truck Series, which is the only series it runs that involves production pickup trucks racing each other.

1. Formula One
2. NASCAR

While sedans have ruled NASCAR, Chevy is changing to the Camaro and Ford is switching to the Mustang. Toyota might use a coupe instead of the Camry in the future.

1. Formula One
2. NASCAR

Since F1 races are significantly shorter than in NASCAR, the cars don't need to refuel at all.

1. Formula One
2. NASCAR

Vettel is currently racing for Scuderia Ferrari and has been the Formula One World Champion four times and counting.

1. Formula One
2. NASCAR

In 2017, NASCAR's Cup Series featured more than 36 races, compared to only 20 Grand Prix series races for F1.

1. Formula One
2. NASCAR

For NASCAR races, the winner gets 40 points, while drivers in F1 only net 25 for winning.

1. Formula One
2. NASCAR

NASCAR regulations only allow for six people in the pit, while Formula One pit teams consist of sixteen members.

1. Formula One
2. NASCAR

NASCAR regulations require that race cars have five lugs nuts on each wheel, while in Formula One they only have one, making the pit stops more hectic for NASCAR.

1. Formula One
2. NASCAR

By last count, the NASCAR Sprint Cup had 50 drivers competing, versus just 24 in Formula One.

1. Formula One
2. NASCAR

In the long straightaways, or in other words, not in Monaco, F1 cars can get above 200 mph, which is just slightly faster than NASCAR racers.

1. Formula One
2. NASCAR

While it varies from one season to the next, NASCAR fan attendance is about 60 percent of what Formula One's is.