The Honda Acty, a versatile and compact Japanese Kei truck, is a favorite among urban drivers and businesses looking for a reliable, small-sized workhorse. While it may not be known for its top speed, the Acty has its own charm when it comes to delivering power in a compact package.

In this article, we’ll take a closer look at the Honda Acty top speed, Honda Acty mpg and engine swap options to understand the customization potential of this vehicle to boost its performance and fuel efficiency.

Honda Acty – The Versatile Japanese Kei truck

Living with a Honda Acty; top speed, mpg and more

The Honda Acty is a series of microvans and Kei trucks that have been in production since 1977. It is classified as a Kei vehicle in Japan, a category that includes small, lightweight cars and trucks with strict regulations on size and engine displacement.

The Acty was designed to be a nimble and efficient workhorse, perfect for navigating crowded city streets while offering practical utility.

Honda Acty Truck Engine Options

The Acty comes with a range of engine options, with the most common being a 660cc inline-three-cylinder engine, which is typical for Kei vehicles. This compact powerplant is engineered to deliver efficiency rather than sheer speed. The engine’s output typically ranges from 38 to 63 horsepower, depending on the model year and trim level.


The most recent engine version produced on the current Acty truck is E07Z, which can produce a maximum power of 33kW at 5500 RPM and is powered by 660 ccs, 3-cylinder with a torque of 59 Nm.

Honda Acty MPG

The fuel efficiency of a Honda Acty can vary depending on the specific model, engine, and driving conditions. However, on average, the Honda Acty mpg is considered to be around 30 to 35 miles per gallon (mpg) in city driving and 40 to 50 mpg on the highway.

Here’s a breakdown of some typical Honda Acty MPG figures:

  1. Gasoline Engines: The Honda Acty is available with different gasoline engine options, including 660cc and 660cc turbocharged variants. These engines are designed to maximize fuel efficiency. On average, the Acty equipped with a 660cc engine can achieve up to 35-45 MPG, making it an excellent choice for those who value fuel economy.
  2. Hybrid Technology: Some Honda Acty models are equipped with hybrid technology, combining a gasoline engine with an electric motor. These hybrid versions can achieve even higher fuel efficiency, with some variants reaching an impressive 50-55 MPG.

Eco-Friendly Features

Apart from the efficient powertrains, the Honda Acty also incorporates various eco-friendly features that contribute to its impressive MPG figures. These include:

  • Start-Stop Technology: Many Acty models are equipped with start-stop technology, which automatically shuts off the engine when the vehicle is stationary and restarts it when the driver presses the accelerator. This feature helps conserve fuel, especially in heavy traffic or during frequent stop-and-go driving.
  • Regenerative Braking: In hybrid and electric Acty models, regenerative braking technology captures and stores energy during deceleration and braking, which is then used to charge the battery. This not only improves fuel efficiency but also reduces wear and tear on the braking system.
  • Lightweight Construction: The Acty’s compact size and lightweight construction reduce the overall vehicle weight, which translates into less energy needed to move the vehicle, further enhancing fuel efficiency.

Honda Acty Top Speed

The top speed of a Honda Acty varies depending on several factors, including the engine type, vehicle weight, and road conditions. Generally, you can expect the Honda Acty truck to achieve a top speed of around 90-100 km/h.

While this may not seem particularly impressive compared to larger vehicles, it’s important to remember that the Acty is designed for a specific purpose – efficient urban transportation and light-duty hauling.

Honda Acty HA4 top speed run on highway

Factors Influencing Honda Acty Top Speed

  1. Engine Size: The Acty is available with different engine sizes, with 660cc being the most common. Smaller engines generally result in lower top speeds.
  2. Weight and Load: The weight of the vehicle and the amount of cargo it’s carrying can significantly impact its top speed. Heavier loads can reduce acceleration and top speed.
  3. Aerodynamics: The Acty’s boxy design doesn’t lend itself to aerodynamic efficiency, which can limit its top speed compared to more streamlined vehicles.
  4. Road Conditions: The condition of the road, including surface quality and incline, can affect the Acty’s performance. Steep hills, for example, may cause a decrease in top speed.

Handling and Urban Versatility

The Honda Acty may not be built for high-speed highway cruising, but it excels in other areas. Its small size and tight turning radius make it exceptionally nimble, perfect for maneuvering through tight city streets and crowded parking lots. This agility is a significant advantage, especially for businesses that need to make deliveries in urban environments.

Furthermore, the Acty’s compact size, mpg and relatively low top speed contribute to its excellent fuel efficiency. This makes it a cost-effective choice for businesses and individuals looking to reduce their operational expenses.

Off-Road Capability

The Acty’s off-road capability is another noteworthy feature. Some Acty models come equipped with four-wheel-drive (4WD) systems, making them capable of tackling challenging terrain.

Whether it’s a construction site, a remote farm, or a hiking trail, the Acty’s 4WD variant can handle it with ease. This versatility adds to the Acty’s appeal for those in need of a rugged, compact work vehicle.

Honda acty top speed is ideal for urban transportation.

Honda Acty Engine Swaps

Engine swaps are a significant transformation for the Honda Acty, offering several key advantages. When you swap the stock engine for a more potent one, you can substantially enhance the vehicle’s overall performance. Benefits of engine swaps include:

  • Increased Horsepower: Swapping in a more powerful engine can significantly boost horsepower, leading to faster acceleration and higher top speeds.
  • Torque Improvement: The increased torque provides better low-end power and improved acceleration.
  • Expanded Customization: Engine swaps open the door to a wide range of customization options, allowing you to tailor your Acty’s performance to your liking.
CAR VX - Japan’s First Vehicle History Reports Service

When considering an engine swap for your Honda Acty, several popular options stand out:

  1. Honda B16 or B18: Swapping in a B16 or B18 engine from a Honda Civic or Integra can deliver a substantial power increase.
  2. Honda K24: The K24 engine is known for its exceptional performance and can turn your Acty into a high-speed machine.
  3. Turbocharged Engines: Some enthusiasts opt for turbocharged engines for massive power gains. However, these swaps often require additional modifications to handle the increased stress and heat.

The Process of Engine Swaps

Engine swaps are intricate processes that require a good understanding of mechanics and automotive systems. The basic steps involve:

  • Removing the old engine: This includes disconnecting and labeling all components.
  • Preparing the new engine: Ensuring the new engine is in optimal condition and ready for installation.
  • Mounting the new engine: Precisely positioning and securing the new engine in the engine bay.
  • Reconnecting components: Reattaching all parts, wiring, and hoses.
  • Testing and tuning: Thoroughly testing the new engine and making adjustments for optimal performance.

The following video playlist demonstrates the step-by-step process of K24 Swap on a Honda Acty.

Honda Acty engine swap tutorial

Remember that an engine swap can be a complex project, so if you’re not experienced, seeking automobile technician help is advisable.

Engine Upgrades

For those looking for a boost in power without fully committing to an engine swap, engine upgrades provide a middle ground. These modifications can include the installation of performance air filters, upgraded exhaust systems, and ECU tuning. Such upgrades can add additional horsepower and torque, improving acceleration and overall performance with optimized Honda Acty mpg.

ECU Tuning

Electronic Control Unit (ECU) tuning is essential for optimizing the engine’s performance. By reprogramming the ECU, you can fine-tune fuel delivery, ignition timing, and other parameters. This results in improved power output and a smoother-running engine.


Turbocharging is a popular method for achieving significant power gains. A turbocharger forces more air into the engine, allowing it to burn more fuel and generate more power. However, this modification requires careful consideration of the engine’s internals to handle the increased stress and heat.


In summary, while the ‘Honda Acty Top Speed’ is not its most standout feature, it compensates with its compact size, optimized mpg, and versatility. Designed primarily for urban environments and light-duty hauling, the Acty excels at what it was intended for.

So, while it may not break speed records, the Honda Acty Truck has the potential to become a high-performance machine with the right modifications. Engine swaps, especially offer a thrilling way to unlock its full capabilities.

Whether you choose engine upgrades or opt for a complete engine swap, always prioritize safety, and ensure compliance with local regulations. With the right technical knowledge and mechanical assistance, you will be able to transform your Honda Acty into a speed demon!

You may also read,