Published: 4.7.23

Updated: 19.3.25

How Fast Can Your Moped Go?

Curious about moped speeds—50cc to 150cc, or even electric? Whether you’re a newbie or upgrading, let’s explore the fast lane!

How Fast Are Mopeds?

The size of your moped’s engine plays a key role in determining its speed, with capabilities ranging from 30 to 70 mph. For those interested in electric options, models like the Vespa GTS Maxi 12v motorbike offer a great choice for kids.

It’s an impressive range for such a compact vehicle.

To measure engine size, we use a unit called "cubic centimetres"—or "cc" for short. This "cc" value directly influences each moped’s unique top speed.

Let’s explore this further.

Understanding Moped Engine Sizes

So, what do these 'cc' numbers signify?

The term 'cc' stands for cubic centimetres and is used to measure the size of the moped's engine, which is directly related to its power output and, hence, speed.

Electric Mopeds: A Modern Alternative

Beyond traditional petrol-powered models, electric mopeds are gaining popularity for their efficiency and eco-friendly design. Unlike their 'cc '-based counterparts, electric mopeds rely on battery power and electric motors, with performance varying by model.

Typical top speeds for electric mopeds range from 30 to 60 mph (48–97 km/h), depending on the motor’s wattage and design. For instance, entry-level models might max out at 30 mph, while high-performance options—like those hitting 59 mph as noted in our comparison table—rival mid-range gas mopeds.

Battery capacity is a key factor, typically ranging from 1 to 4 kWh. A standard electric moped with a 2 kWh battery can offer a range of 40–60 miles (64–97 km) on a single charge, though this varies with rider weight, terrain, and speed. Charging times also differ: a full charge might take 4–8 hours with a standard home outlet or as little as 1–2 hours with a fast charger.

Compared to gas mopeds, electric models stand out for their quieter operation—perfect for noise-sensitive areas—and lower maintenance needs. Without an internal combustion engine, there’s no oil to change or fuel system to clean, though battery health requires attention over time. While upfront costs may be higher, the savings on fuel and upkeep often make them a compelling choice for urban riders.

The Speed of a 50cc Moped

The most basic option, the 50cc moped, typically reaches a maximum speed of 30-35 mph (48-56 km/h), though restricted models may be limited to 28 mph (45 km/h).

This makes it well-suited for inner-city commuting.

Restrictions on 50cc Mopeds

Most 50cc scooters come with a restricted engine, capping their top speed at 28 mph (45 km/h) to comply with licensing laws and enhance rider safety. For comparison, unrestricted models can reach up to 35 mph (56 km/h). If you’re considering a ride for kids, a licensed Vespa 946 12v motorbike offers an exciting alternative.

The Pace of a 100cc Moped

Stepping up, a 100cc moped can achieve a maximum speed of 45-60 mph (72-97 km/h)—ideal for riders seeking a bit more power on their journey.

The Speed of a 125cc Moped

Moving further, a 125cc moped ups the game with a top speed of 55-65 mph (88-105 km/h).

Now we're entering the domain of more serious commuting and possibly some light touring.

The Speed of a 150cc Moped

Lastly, the 150cc moped. This one can reach a maximum speed of 65-75 mph (105-121 km/h).

At this speed, you are most certainly not limited to the city anymore.

Factors Affecting Moped Speed

These speeds are, of course, maximums. They may vary depending on factors such as the weight of the rider, terrain, and weather conditions.

Furthermore, it's essential to remember that local laws and regulations regarding the use of mopeds should always be respected.

AI-Powered Safety Systems

Neuron Mobility has introduced AI-powered cameras on their e-scooter fleet in Melbourne to prevent riders from using footpaths.

The system, called ScootSafe, can identify unlawful behaviour and issue real-time warnings to riders.

This innovative approach not only enhances rider safety but also ensures that pedestrians are protected from potential accidents.

AI technology continuously learns and adapts to various riding patterns, making it more effective over time.

Other manufacturers are likely to follow suit, integrating similar AI-powered safety systems into their moped designs.

Practical Implications of Different Moped Speeds

Each moped speed has its own set of practical applications. If you're looking for a simple ride for short city commutes, a 50cc moped that maxes out at around 30-35mph should be perfect for you.

Need something a bit faster for longer commutes?

A 100cc or 125cc moped might be more up your alley. And for those who are looking at more substantial rides, or even light touring, a 150cc moped could be your best bet.

Choosing the Right Moped for Your Needs

Choosing the right moped is all about understanding your needs and matching them to the right cc size.

Consider your daily commute, the terrain you'll mostly be riding on, and the speed you're comfortable with.

Remember, it's not always about the highest speed but rather the best speed for you.

Safety and comfort should always be your top priorities. After all, isn't the journey supposed to be as enjoyable as the destination?

Licence Requirements and Legal Restrictions in the UK

Here are the licence requirements and legal restrictions for riding motorcycles and mopeds in the UK:

• To ride a moped, learners must be 16 or over, have a provisional moped licence, and complete Compulsory Basic Training (CBT) (123). They can then ride unaccompanied on a public road a two-wheeled vehicle with a maximum design speed of 45 km/h (28 mph), with L plates, for up to two years1.
• To ride a motorcycle up to 125cc with a power output not exceeding 11 kW, learners must satisfactorily complete a CBT course (14). They can then ride unaccompanied on the public road with L plates for up to two years1.
• To ride a standard motorcycle up to 35 kW (and a power-to-weight ratio not more than 0.2 kW per kg), learners must have a provisional Category A driving licence, complete CBT, and pass the theory and practical tests (4). They can then ride unaccompanied on the public road with L plates for up to two years (4).
• To ride an unrestricted motorcycle in size/power, with or without a sidecar, and motor tricycles with power output over 15 kW, learners must have a full Category A driving licence, complete CBT, and pass the theory and practical tests (4). They can then ride unaccompanied on the public road (4).
• Learners who wish to ride a sidecar outfit can do so with a power-to-weight ratio not exceeding 0.16 kW/kg (3).

It's important to note that riders must follow the rules and regulations set out in the Highway Code and other relevant laws.

Additionally, riders must wear appropriate safety gear, such as a helmet, and ensure their vehicle is roadworthy and properly maintained.

Long-term Maintenance Tips and Costs

Total Estimated Annual Running Costs

• The total estimated annual running costs range from £1,100 to £2,900+, depending on usage, moped model, and individual circumstances. Regular maintenance can help prevent more expensive repairs down the line. Additionally, learning to perform some basic maintenance tasks yourself can significantly reduce long-term costs.

FAQs

What fuel efficiency can I expect from different moped engine sizes?

Fuel efficiency varies based on the engine size, manufacturer, and driving conditions. Generally, smaller engines like 50cc mopeds tend to be more fuel-efficient, often achieving over 100 mpg. Larger engines will generally consume more fuel, but they still offer good fuel efficiency, typically around 80-90 mpg for 125cc and 150cc mopeds.

What is the typical lifespan of a moped engine of different cc?

Moped lifespan is determined by various factors, including maintenance, usage, and build quality. Generally, a well-maintained 50cc moped engine can last between 5,000-10,000 miles. Larger engines like 100cc, 125cc, and 150cc can exceed this, often lasting for over 20,000 miles with proper care.

What is the cost of insuring a moped with different engine sizes?

Insurance costs can vary widely depending on factors such as your age, driving record, and where you live. Typically, insurance for smaller engines like 50cc mopeds is cheaper than for larger 150cc mopeds. Always check with multiple insurance providers to get the best deal.