In today’s world, fuel efficiency is no longer just a desirable feature in a car – it’s often a necessity. With rising fuel costs and a growing awareness of environmental impact, miles per gallon (MPG) has become a critical factor for car buyers. MPG is the measure of how far a car can travel on one gallon of fuel, and it’s the key to understanding a vehicle’s running costs. While the market is shifting towards electric vehicles, fuel-efficient petrol, diesel, and hybrid cars remain excellent options for those looking to minimize their trips to the gas station and reduce their carbon footprint.
Traditionally, diesel engines have been lauded for their superior fuel economy. However, with advancements in technology, modern petrol and hybrid cars are now giving diesel counterparts a run for their money, especially in urban and mixed driving conditions. For drivers in the UK and similar markets, where petrol and hybrid options are increasingly popular, understanding the best cars with MPG across different fuel types is essential.
Before diving into specific models, it’s crucial to remember that real-world MPG can vary based on driving habits. Aggressive acceleration, heavy braking, and high speeds can all negatively impact fuel consumption. The figures quoted in this article are based on the Worldwide Harmonised Light-duty Vehicles Test Procedure (WLTP), which provides a standardized benchmark for comparing fuel economy across different vehicles. However, your personal MPG will depend on your driving style and typical journeys.
Here, we explore some of the best cars with MPG currently available, covering a range of fuel types and vehicle categories to help you make an informed decision when choosing your next fuel-efficient ride.
- BMW 330e
- Toyota Prius
- Suzuki Swift
- Toyota Corolla Touring Sports
- Hyundai IONIQ
- Mercedes-Benz E300 de
- Peugeot 208
- Vauxhall Corsa
- Skoda Octavia
- Volkswagen Golf
)
1. BMW 330e – 217.3 MPG
The BMW 330e proves that choosing a fuel-efficient car doesn’t mean sacrificing driving pleasure. This plug-in hybrid combines a potent 2.0-litre petrol engine with an electric motor to deliver both brisk performance and exceptional economy. It’s a standout example of how hybrid technology can enhance both power and efficiency.
Motoring experts often highlight the 330e as the most compelling model in the BMW 3 Series range, thanks to its ability to travel on electric power alone for distances up to 30 miles. This electric range, combined with the petrol engine, allows for impressive fuel economy figures exceeding 100 MPG in real-world conditions, and a staggering 217.3 MPG on the official WLTP cycle when regularly charged.
Beyond its fuel efficiency, the BMW 330e maintains the premium feel and engaging driving dynamics that the 3 Series is known for. The interior is refined and packed with technology, making it a desirable option for those seeking a blend of luxury, performance, and impressive MPG. For budget-conscious buyers, the used market offers attractive deals on pre-owned BMW 3 Series models, including the 330e.
)
2. Toyota Prius – 67.0 MPG
The Toyota Prius is synonymous with hybrid technology and fuel efficiency. Toyota offers the Prius in both self-charging hybrid and plug-in hybrid variants. While the plug-in version boasts an even higher official MPG figure of 235.4 MPG (when the battery is consistently charged), the standard self-charging Prius remains a highly economical choice, especially in the used car market.
The self-charging Toyota Prius achieves close to 70 MPG in real-world driving, according to Toyota, making it an exceptionally fuel-efficient car without the need for plugging in. The plug-in hybrid Prius Prime extends electric-only range for shorter trips, further enhancing fuel savings for those with charging access.
Inside, the Prius is well-equipped and built to Toyota’s renowned high standards of reliability. Its reputation for dependability and low running costs is well-earned, making it a popular choice for taxi services and private buyers alike. The Prius prioritizes practicality and efficiency, solidifying its place as a leader in the Best Car With Mpg category.
)
3. Suzuki Swift – 64.0 MPG
The Suzuki Swift is a compact and fun-to-drive supermini that doesn’t compromise on fuel economy. Every current Suzuki Swift model features Suzuki’s “Boosterjet” hybrid engine, which incorporates mild hybrid technology. This system uses a small electric motor to support the petrol engine, reducing strain and improving overall efficiency.
While the mild hybrid system in the Suzuki Swift doesn’t allow for pure electric driving, it still delivers significant fuel savings compared to traditional petrol engines. The electric motor provides an extra boost during acceleration and helps to reduce fuel consumption, resulting in an impressive 64.0 MPG.
The Suzuki Swift is particularly well-suited for city driving, where its compact size and fuel efficiency make it ideal for navigating urban environments. It offers a blend of affordability, practicality, and good MPG, making it a strong contender in the supermini segment for those prioritizing fuel savings.
)
4. Toyota Corolla Touring Sports – 63.8 MPG
The Toyota Corolla Touring Sports marks the return of the Corolla nameplate to the UK market with a focus on hybrid technology and practicality. Available as both a hatchback and the more spacious estate (Touring Sports) version, the Corolla offers a comfortable ride and efficient performance.
Every Toyota Corolla model is equipped with a hybrid powertrain, offering a choice between a 1.8-litre or a more powerful 2.0-litre petrol-hybrid engine. Both options deliver excellent fuel economy, with the 1.8-litre version achieving up to 63.8 MPG. The Corolla Touring Sports combines this efficiency with a well-designed interior and ample cargo space, making it a practical and economical choice for families and individuals alike. Its balanced handling and well-judged suspension further enhance its appeal as a versatile and fuel-efficient vehicle.
)
5. Hyundai IONIQ – 60.0 MPG
The Hyundai IONIQ is another compelling option in the hybrid car market, offering a range of electrified powertrains including self-charging hybrid, plug-in hybrid, and fully electric versions. Similar to the Toyota Prius, the Hyundai IONIQ is available as both a self-charging hybrid and a plug-in hybrid. For those considering the used car market, the plug-in hybrid IONIQ often represents particularly good value.
The Hyundai IONIQ hybrid utilizes a 1.6-litre petrol engine paired with an electric motor, providing a good balance of performance and efficiency. The plug-in hybrid variant offers an electric-only range of up to 39 miles on a single charge, maximizing fuel savings for daily commutes and shorter journeys.
Experts often highlight the Hyundai IONIQ’s overall cost-effectiveness, noting that in addition to fuel savings, owners can benefit from lower insurance and maintenance costs. The IONIQ also boasts a generous level of standard equipment and a larger boot than the Prius, making it a practical and economical choice with an official MPG of 60.0 for the hybrid version.
The Most Fuel-Efficient Diesel Cars on Sale:
While petrol and hybrid cars have made significant strides in fuel efficiency, diesel engines still hold an advantage, particularly for drivers who frequently undertake longer journeys. Modern diesel technology has also become cleaner and more refined, making them a viable option for those seeking maximum MPG on longer drives.
)
1. Mercedes-Benz E300 de – 217.3 MPG
The Mercedes-Benz E300 de stands out as an exceptional example of diesel hybrid technology, achieving a remarkable official MPG figure of 217.3. This plug-in hybrid diesel combines the strengths of both diesel and electric power to deliver outstanding fuel economy without compromising on luxury or performance.
It’s important to note that achieving the maximum MPG in the E300 de requires regular charging of the battery. However, with a full battery, Mercedes-Benz claims an electric-only range of up to 33 miles, sufficient for many urban commutes. This electric capability, combined with the inherent efficiency of a diesel engine, results in unparalleled fuel savings, making the E300 de a leader in the best car with MPG category, especially for those who appreciate diesel power and hybrid technology.
)
2. Peugeot 208 1.5 Blue HDi – 71.4 MPG
Launched in 2019, the Peugeot 208 1.5 Blue HDi diesel is a stylish and fuel-efficient supermini. With its eye-catching design, five-door practicality, and distinctive LED lighting, the Peugeot 208 diesel offers a compelling package in the small car segment.
The 1.5-litre diesel engine in the Peugeot 208 delivers impressive fuel economy, officially rated at over 70 MPG. This makes it one of the most fuel-efficient non-hybrid cars available. The interior of the Peugeot 208 is equally striking, featuring a modern dashboard design with instruments positioned above the steering wheel for a unique and driver-focused experience. The Peugeot 208 diesel combines style, practicality, and exceptional MPG in a compact and appealing package.
)
3. Vauxhall Corsa 1.5 Turbo D – 70.6 MPG
The Vauxhall Corsa 1.5 Turbo D shares its underpinnings and engine technology with the Peugeot 208, as both brands are part of the Stellantis group. This shared platform results in similar levels of fuel efficiency and overall performance.
The Vauxhall Corsa diesel mirrors the Peugeot 208 in its impressive MPG figures, achieving over 70 MPG officially. This makes it another top contender for those seeking the best car with MPG in the diesel supermini category. The Corsa offers a practical five-door layout, comfortable ride, and a range of trim levels to suit different preferences. Its close relation to the Peugeot 208 means it shares many of the same benefits in terms of fuel economy and practicality, offering buyers a choice of stylish and efficient superminis.
)
4. Skoda Octavia 2.0 TDI SE – 68.9 MPG
The Skoda Octavia 2.0 TDI SE is a highly practical family car that excels in both space and fuel economy. Renowned for its generous interior room, particularly the expansive boot space in both hatchback and estate versions, the Octavia 2.0 TDI adds exceptional MPG to its list of strengths.
The 150hp 2.0-litre TDI diesel engine in the Skoda Octavia is not only fuel-efficient, achieving 68.9 MPG, but also provides ample torque for comfortable motorway cruising. Its relaxed driving manner and strong fuel economy make it an ideal choice for families and drivers who cover long distances regularly. The Octavia is also known for its value for money and reliability, making it a smart and economical choice in the family car segment.
)
5. Volkswagen Golf 2.0 TDI – 68.9 MPG
The Volkswagen Golf 2.0 TDI shares many components with the Skoda Octavia, including the same efficient 2.0-litre diesel engine and six-speed manual gearbox. This shared technology results in similar levels of fuel economy, with the Golf 2.0 TDI also achieving 68.9 MPG.
While the Volkswagen Golf may not offer quite the same level of rear passenger space as the Octavia, it provides a more premium feel and a refined driving experience. Most versions of the Mk8 Golf feature digital instruments and a large infotainment screen, adding to its modern appeal. The Golf 2.0 TDI combines German engineering with excellent fuel economy, making it a desirable and efficient hatchback, and used models offer compelling value.
- Explore your financing options with car finance
How to Maximize Your Car’s Fuel Efficiency
Choosing a fuel-efficient car is the first step, but adopting fuel-efficient driving habits can further enhance your MPG and save you money at the pump. Regardless of your car’s engine type, simple changes in driving style can make a noticeable difference in fuel consumption.
Modern cars are designed with efficiency in mind, incorporating technologies like turbochargers and hybrid assistance. However, driver behavior remains a significant factor in achieving the best possible MPG.
Simple Steps to Improve Fuel Consumption:
1) Turn Off Your Air Conditioning
Reducing the load on your engine is key to improving fuel economy, and one of the easiest ways to do this is by turning off your air conditioning. Air conditioning systems require a significant amount of engine power to operate, leading to increased fuel consumption. Whenever possible, especially at lower speeds or in cooler weather, opt for natural ventilation by opening windows instead of running the AC.
2) Drive Smoothly and Steadily
Aggressive driving habits, such as rapid acceleration and hard braking, consume significantly more fuel. Adopting a smooth and steady driving style can drastically improve your MPG. On motorways and highways, maintain a constant speed and avoid unnecessary lane changes. When accelerating, do so gently and progressively. Anticipating traffic flow and braking gradually also contributes to fuel savings.
3) Combine Short Trips and Reduce Cold Starts
Short trips, especially in cold weather, are particularly inefficient for your engine. When an engine is cold, it operates less efficiently until it reaches its optimal operating temperature. Combining multiple errands into a single trip minimizes cold starts and allows your engine to run at its most efficient temperature for a longer duration. Whenever feasible, consider walking or cycling for very short journeys to further reduce fuel consumption and environmental impact.
)
Explore More About Fuel-Efficient Cars
Choosing the best car with MPG involves considering various factors, including your driving needs, budget, and preferences. Whether you prioritize hybrid technology, diesel efficiency, or the latest petrol engines, the market offers a wide range of options to suit your requirements. By combining a fuel-efficient vehicle with smart driving habits, you can significantly reduce your running costs and contribute to a more sustainable driving future.
