Most car key fobs serve the utilitarian purpose such as to lock or unlock the car door and boot and in some cases start the vehicle. Most of them look bland, kind of what mobile phones looked like before smartphones. But there are also state-of-art key fobs with unique features.

They are cool enough to simply collect. For example, a key fob with a touchscreen that shows car information. Some of them can even activate the airbag suspension or have a car automatically park itself.

Because every car driver has a key fob, car manufacturers have been trying to outperform competitors, striving to create a unique key fob for their vehicles. It's little wonder that some of them are pretty cool to look at. There is something special about the turn of a key to get your car going. Check out 15 coolest car key fobs we'd love to collect.

15 VW Beetle Microbus Key

Wolfsburgwest.com

The old VW Beetle Microbus Key is very rare and quite hard to find. This was the car that made the manufacturer its name. This makes it such a desirable thing to collect. This simple silver key features the unmistakable style of the 60s. Some people even turn it into jewelry.

14 Acura Honda NSX Key

evo.co.uk

Acura Honda NSX Key looks very simple and may not spark your interest immediately. But this key is made of very expensive and highly-resistant material used in marine engineering. It maintains its shape at high temperatures. The company even said that it couldn't be cut by normal machines because it would break them.

13 BMW 7-Series Key

Carscoops.com

BMW 7-Series key comes with an array of features that include parking assist and a built-in backup battery. You can even turn your heating system on 10 minutes before you get in the car. All info is available on the full-color touchscreen. A charging dock station for the fob is in the center console.

RELATED: 15 Ultra Luxurious Cars We’d Buy Instead Of The New BMW 7 Series

12 The Tesla Model S Key Fob

i.pinimg.com

The Tesla Model S key fob doesn't even look like a traditional key fob. It looks like a toy car for children. Besides, you don't need to press the button to open the door. You can keep the key fob in your pocket and simply pull on the door handle for easy entry.

11 Ferrari Key

i.ytimg.com

Ferrari key is epic with its simple yet easily recognizable design with a chrome horse. It's very hard to get your hands on original key fobs as the price can be as high as $2,500. However, there are multiple aftermarket options that copy the look of the original key and would look nice in a collection.

10 Formawerx Porsche 911 Key

Imboldn.com

The 911 is an automotive icon and it deserves a key worthy of its status. The Porsche 911 Key was designed by Formawerx in reverence to the legendary vehicle. It is made of a solid block of stainless steel and features a center with 6 holes. The holes represent the flat-six engine.

9 Aston Martin Emotional Control Unit

i.pinimg.com

The key fob that is made of steel and crystal is always cool to the touch. You just push the hunk of glass in the dash and hold it there until the engine turns over. The newer versions are made of sapphire so they can't be easily scratched or broken.

RELATED: Aston-Martin Teases Monster V-12 Speedster

8 Formawerx Land Rover Defender Key

Motor1.com

The Defender Key is made of 303 stainless steel. It is corrosion-resistant and almost impossible to destroy. You can choose between a polished or machined finish and request engravings for a personal touch. This is one of a few keys that you can easily add to your collection as the price is only $250.

7 Pagani Huayra Flash Drive

i.redd.it

The Pagani Huayra is an Italian mighty supercar that costs over a million dollars. Surprisingly though, the key is pretty compact and simplistic and does not stand out from the crowd like the luxury car it starts does. However, it's one of a kind and you can even play music from it.

6 Koenigsegg Platinum Key

aglomeradodigital.com.br

Koenigsegg knows how much money their clients have on hand. So they made a key that costs more than many houses. The estimated price is around $250 000. The key fob is made of onyx, platinum and a lot of diamonds by Optimal Innovative Solutions, which also makes diamond hood ornaments for Rolls Royce.

5 Nissan 300ZX

Z1motorsports.com

The British industrial product and architectural designer Jonathan Ive said "Simplicity is not simple. Simplicity is somehow essentially describing the purpose and place of an object and product." This is how he created the Nissan 300ZX key fob. The key is beautiful yet functional with its chrome accents and slight bevel.

RELATED: 15 Sick Photos Of Modified Nissans

4 The Bugatti Speed Key

i.pinimg.com

If the electronically limited maximum speed of 236 mph is disappointing you, the Bugatti Chiron offers a key that turns the electronic limiter off, unleashing the true 261 mph potential. What makes this key even more special is that you need to pay over $ 2.5 million to get it.

3 Mercedes Smart Key Card

Ebayimg.com

Mercedes Benz was the company that offered hands-free keyless car activation in the late '90s. Their early Smart Key Card wasn't the most attractive but it's certainly one of a kind. It's thicker than modern cards and has a minimalistic design. You can even find an original old key online for a reasonable price.

2 Chrysler Neon Glow-In-The-Dark Key

bostoncarkeys.com

The Chrysler Neon Glow-In-The-Dark key doesn't fall short of selling itself. The key can open a Chrysler and it glows in the dark. Despite that it can come in handy if you drop your keys at night, there is no other function or purpose. This simple trinket is arguably the most interesting feature of the Chrysler.

1 Lexus LFA Carbon Fiber Key

Seriouswheels.com

Lexus introduced a number of new materials in the Lexus LFA. One of the most important materials was the in-house produced carbon fiber-reinforced polymer. The company made chassis, interior accents, and this beautiful key out of carbon fiber. This material then made its way into retractable roofs and spoiler packages, but it started with one key.

NEXT: Slick Lexus Concepts Wow The 2020 Montreal Auto Show