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Mercedes B Class VS SEAT Leon – Specs, Efficiency & Price Comparison

Which model is the better choice – the Mercedes B Class or the SEAT Leon? We compare performance (238 HP vs 272 HP), boot capacity (455 L vs 380 L), efficiency (0.80 L vs 0.40 L), and of course, the price (32900 £ vs 24100 £).
Find out now which car fits your needs better!

The Mercedes B Class (MPV) is powered by a Petrol MHEV, Diesel or Plugin Hybrid engine and comes with a Automatic transmission. In comparison, the SEAT Leon (Hatchback) features a Petrol, Petrol MHEV, Diesel or Plugin Hybrid engine and a Manuel or Automatic gearbox.

When it comes to boot capacity, the Mercedes B Class offers 455 L, while the SEAT Leon provides 380 L – depending on what matters most to you. If you’re looking for more power, you’ll need to decide whether the 238 HP of the Mercedes B Class or the 272 HP of the SEAT Leon suits your needs better.

There are also differences in efficiency: 0.80 L vs 0.40 L. In terms of price, the Mercedes B Class starts at 32900 £, while the SEAT Leon is available from 24100 £.

Compare all the key specs now and find out which model fits your lifestyle best!

Mercedes B Class

The Mercedes-Benz B-Class offers a blend of practicality and luxury that sets it apart in the compact MPV segment. Its spacious and versatile interior is complemented by high-quality materials and a sleek design, making it ideal for both families and individuals seeking a touch of elegance on their daily commute. Advanced technology and safety features round out the package, ensuring a comfortable and secure driving experience.

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SEAT Leon

The SEAT Leon impresses with its dynamic design and sporty edge, making it a standout choice in its class. Its interior is characterised by a modern, driver-focused cockpit that combines functionality with an emphasis on comfort. The car delivers a responsive driving experience, thanks to its advanced engineering and agile handling capabilities.

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Mercedes B Class
SEAT Leon
B Class
Leon

Costs and Consumption

Price
32900 - 52500 £
Price
24100 - 35700 £
Consumption L/100km
0.8 - 7.1 L
Consumption L/100km
0.4 - 5.7 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 km
Electric Range
133 km
Battery Capacity
12.90 kWh
Battery Capacity
19.70 kWh
co2
18 - 160 g/km
co2
8 - 129 g/km
Fuel tank capacity
35 - 51 L
Fuel tank capacity
40 - 45 L

Dimensions and Body

Body Type
MPV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1405 - 1745 kg
Curb weight
1344 - 1670 kg
Trunk capacity
405 - 455 L
Trunk capacity
270 - 380 L
Length
4419 mm
Length
4368 mm
Width
1796 mm
Width
1799 mm
Height
1562 mm
Height
1442 - 1460 mm
Payload
505 - 550 kg
Payload
460 - 521 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
110 - 272 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
7.7 - 10.5 s
Max Speed
200 - 250 km/h
Max Speed
197 - 220 km/h
Torque
200 - 450 Nm
Torque
220 - 360 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 175 kW
Power kW
85 - 200 kW
Engine capacity
1332 - 1991 cm3
Engine capacity
1498 - 1968 cm3

General

Model Year
2024 - 2025
Model Year
2024 - 2025
CO2 Efficiency Class
E, D, F, B
CO2 Efficiency Class
D, B
Brand
Mercedes-Benz
Brand
SEAT

Mercedes B Class

A New Era of Compact Luxury: The Mercedes-Benz B-Class

The Mercedes-Benz B-Class represents a perfect blend of luxury, utility, and cutting-edge technology, standing as a testament to the brand’s commitment to innovation and class. This compact luxury MPV is tailored for motorists who seek practicality without compromising on performance and style.

Performance and Efficiency: A Comprehensive Overview

The new B-Class range comes with a selection of powertrains, including petrol mild-hybrids, diesels, and plug-in hybrids, ensuring a wide array of choices for every driving preference. The power output ranges from 116 to 238 PS, offering a harmonious balance of power and efficiency.

Among the exciting options, the plug-in hybrid variant stands out with a fuel consumption rate as low as 0.8 L/100km and an electric range of up to 83 km. The petrol and diesel engines offer impressive efficiency, with consumption ranging from 5.1 to 7.1 L/100km, catering to both environmental consciousness and driving pleasure.

Innovative Technology: Staying Ahead of the Curve

Inside the B-Class, drivers will find an array of technology designed to enhance the driving experience. The latest MBUX infotainment system comes with a high-resolution touchscreen, voice activation, and a suite of connectivity features, making each journey both intuitive and enjoyable.

Mercedes-Benz has also incorporated advanced driver-assistance systems, including adaptive cruise control and lane-keeping assist, to enhance safety and convenience. These features ensure that the B-Class not only keeps up with the demands of modern drivers but also anticipates them.

Design and Luxury: A Compact Model with Presence

The Mercedes-Benz B-Class has been designed to offer maximum interior comfort while maintaining a compact external profile. The vehicle’s aerodynamic shape is complemented by a stylish front fascia and distinctive body lines, giving it a dynamic yet elegant appearance.

Inside, the B-Class doesn't skimp on luxury. With a high-quality finish, ergonomic seating, and comprehensive climate control systems, it delivers a refined environment for driver and passengers alike, echoing the luxurious feel synonymous with the Mercedes-Benz brand.

Customisation and Price: Tailored to Individual Tastes

The B-Class provides ample customisation options across its variants. From Advanced to AMG Line, each offers a unique set of features and aesthetic touches, allowing buyers to tailor the vehicle to their personal tastes.

Pricing for the B-Class starts at €38,413 and can go up to €60,577, reflecting the range of configurations available. While some may see this as a premium investment, the comprehensive offering of features, efficiency, and luxury justifies the cost.

Conclusion: The Future of Compact Luxury is Here

The Mercedes-Benz B-Class remains a standout choice in the compact luxury segment, thanks to its combination of state-of-the-art technology, refined design, and performance efficiency. Whether you're considering practicality, luxury, or a bit of both, the B-Class is poised to meet your needs with aplomb.

SEAT Leon

The SEAT Leon: A Blend of Performance and Innovation

The SEAT Leon has firmly established itself as a standout model, blending sleek aesthetics with cutting-edge technology. Known for its versatility and dynamic performance, this hatchback has become a staple choice for drivers seeking style and substance. Join us as we delve into the technical intricacies and innovative features that make the SEAT Leon a formidable contender in its class.

Dynamic Engine Options

The SEAT Leon offers a diverse range of engine choices, catering to various driving preferences. From efficient petrol options with mild-hybrid technology to powerful diesel engines, the Leon provides an impressive power range between 110 to 204 PS. Drivers can also opt for the environmentally friendly plug-in hybrid, featuring a 1.4 e-HYBRID powertrain that boasts a consumption rate as low as 1.1 L/100km and an electric range of up to 63 km.

Advanced Transmission Systems

Optimising driving efficiency, the SEAT Leon is available with both a manual gearbox and an advanced automatic dual-clutch transmission (DSG). The DSG offers seamless gear changes, enhancing the driving experience by providing precise control and improved fuel economy. This versatility allows the Leon to cater to drivers who appreciate the traditional feel of manual shifting and those who prefer the convenience of automatic transmissions.

Intelligent Design and Comfort

The SEAT Leon’s interior is designed with the modern driver in mind. Sporting a spacious cabin accommodating up to five passengers, it provides a balance of comfort and functionality. The boot space ranges from 270 to 380 litres, ensuring ample room for luggage. The Leon's ergonomic layout, coupled with optional advanced features such as ambient lighting and premium upholstery, positions it as a leader in comfort and practicality.

Cutting-edge Technology and Safety

The SEAT Leon is not just about performance; safety features prominently in its design. It is equipped with the latest driver assistance systems, such as adaptive cruise control and lane-keeping assist, ensuring a safer driving experience. The infotainment system offers seamless connectivity, supporting both Android Auto and Apple CarPlay, enabling drivers to stay connected while on the road.

Efficiency and Sustainable Driving

Emphasising sustainability, the SEAT Leon offers CO2 emissions ranging from 25 to 132 g/km, showcasing its commitment to environmental responsibility. Fuel consumption varies between a thrifty 1.1 to 5.8 L/100km, catering to both eco-conscious drivers and those focused on performance. With a competitive price range, the Leon stands out as an economical choice in its segment, balancing initial cost and long-term benefits.

Conclusion

The SEAT Leon continues to set benchmarks with its combination of style, performance, and technological innovation. Its array of engine options, advanced safety features, and luxurious interior make it a compelling choice for modern drivers. Whether you prioritise fuel efficiency, power, or comfort, the SEAT Leon offers a tailored driving experience unmatched in its class.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.