Kei cars are practical for everyday needs such as commuting, shopping, family transportation, and work.
Compact and maneuverable, they are easy to handle on narrow roads and in tight parking spaces.
More recently, a growing number of owners have begun enjoying kei cars not only for daily transportation but also for weekend drives, car camping, and as hobby cars.
Over time, however, you may find yourself thinking:
“How could I make it a little more comfortable?”
“How can I make driving around town more enjoyable?”
“I don’t want major modifications, but I would like the car to feel more like my own.”
Perhaps these thoughts sound familiar.
Enjoying your car does not necessarily require major tuning.
This article introduces five ways to make the kei car you already own more comfortable and enjoyable—without fundamentally changing it.
1. Reconsider Your Tires
Tires are the only points of direct contact between your car and the road.
Even on the same model, tire type and condition can change ride comfort, road noise, and handling.
Tire replacement may bring sports tires or upsizing to mind.
If everyday comfort is your priority, however, you do not need to choose based on sports performance alone.
There are tires designed for quietness and ride comfort.
Conversely, if you enjoy weekend drives or winding roads, handling-oriented tires may be worth considering.
What matters is not choosing the “highest-performance tire,” but choosing one that suits how you actually use your car.
2. Improve Cabin Quietness and Comfort
Kei cars package many functions into a limited footprint.
Depending on the model and driving conditions, however, road noise and vibration can become noticeable.
That makes the cabin environment worth considering.
Relatively simple items—floor mats, sound-deadening products, treatments around the doors, and seat cushions—can change how time inside the car feels.
Especially if you commute by car, even a small improvement is something you experience every day.
Customization is not only about making a car faster.
Making it more pleasant to drive every day is a worthwhile form of customization in its own right.
3. Adjust the Areas You Touch
Gripping the steering wheel.
Sitting in the seat.
Operating the pedals.
While driving, you are in contact with many parts of the car.
That is why adapting the controls and contact points to suit you is another way to enjoy car ownership.
Even revisiting your driving position can change your impression of the car.
Steering-wheel position, seat position, and seatback angle.
Even without installing special parts, it is worth finding the settings that make the car easiest and most comfortable for you to operate.
With a car you drive almost automatically every day, taking a fresh look at the basics can be surprisingly worthwhile.
This is another approach we recommend.
4. Enjoy What Makes a Kei Car Fun to Drive
Kei cars offer more than economy and ease of use.
There is a particular kind of enjoyment that comes from a compact car.
Pulling away in town.
Turning through an intersection.
Controlling your speed.
Climbing a hill.
Taking a slightly longer trip on the weekend.
Even these ordinary moments can make operating a car enjoyable.
Maximum power and top speed are not the only things that determine whether a car is fun.
How does the car feel when you operate it?
Do you enjoy the sense of controlling your own car?
Paying attention to this “driving feel” may reveal qualities in your car that you have not noticed before.
5. Consider the Vehicle’s Electrical Environment
Modern vehicles use electrical and electronic control systems throughout.
Accelerator input, ignition, fuel injection, and numerous sensors all work together to keep the car moving.
Just as the brain communicates with the body through the nervous system, a modern vehicle’s electrical and electronic systems connect its many components.
At NEXT SCIENCE, our focus on the vehicle’s electrical environment led us to develop the ORBITRON Power Module.
With the driving characteristics of kei cars, compact cars, and other small-displacement vehicles in mind, we developed a dedicated lineup.
It is the “ORBITRON Power Module 660 Series (660C, 660S, and 660R Compared)”
described below.
What Is the Power Module 660 Series?
The Power Module 660 Series is an environment-conditioning device that connects to the vehicle battery’s negative terminal.
It is not designed to alter horsepower or torque through major engine modifications or ECU reprogramming.
Instead, it focuses on the vehicle’s electrical environment and is engineered to refine driving feel, including when pulling away and accelerating.
We created three models to match how drivers use their kei cars and the driving feel they prefer.
Everyday Comfort: 660C Comfort
Your kei car is used mainly for commuting and shopping.
You want the car you already own to feel more natural and more enjoyable.
The 660C Comfort was created for drivers like you.
It uses the most compact unit in the 660 Series and is designed with everyday driving comfort as its priority.
We recommend it to drivers who want to enjoy their current car more without major customization and to those experiencing a Power Module for the first time.
More Fun Around Town: 660S Street
You use your car every day for commuting and shopping.
But you also want to enjoy driving, not merely get from place to place.
The 660S Street was created for drivers like you.
With a more substantial internal core configuration than the 660C, it pursues a light, responsive feel in urban driving.
As the central model in the 660 Series, it balances everyday practicality with driving enjoyment.
For the Joy of Driving: 660R Racing
You drive a sporty kei car or a turbocharged model.
You enjoy weekend drives.
You care deeply about how your car feels on the road.
The top-tier 660R Racing was created for drivers like you.
It uses the most comprehensive core configuration in the 660 Series and a 4 AWG cable, compared with the 8 AWG cable used by the 660C and 660S.
This model is for drivers who want to enjoy the act of driving a kei car, not simply use it as transportation.
Choose the Approach That Suits You
There is no single way to make a kei car more comfortable.
Reconsider your tires.
Improve the cabin environment.
Revisit your driving position.
Pay attention to driving feel.
And consider the vehicle’s electrical environment.
No single choice is the right answer for everyone.
Think about how you usually use the car and what you would like to improve.
That is the best place to start.
Before Replacing It, Rediscover the Car You Have
Every new car has its own appeal.
But a car you have owned for years has qualities that belong to it alone.
The familiar seat.
The controls you know by feel.
The roads you have driven on weekends.
Memories made with your family.
That is why, instead of replacing it immediately, you might decide to
“enjoy the car I already have a little more.”
That choice can be worthwhile.
Because kei cars are so closely woven into daily life, even small improvements can deliver enjoyment every day.
Loving the car you already own is reason enough to enjoy it even more.
Your kei car has not shown its full potential yet.
Make every kei-car drive feel better.
See the 660C, 660S, and 660R comparison and selection guide. Review the prices and specifications, then choose the model that best suits how you drive.