Compare performance, boot space, consumption and price in one view.
Find out now: which car is the better choice for you – BMW i4 or Mercedes B Class?
The BMW i4 (Hatchback) comes with a Electric engine and Automatic transmission. In comparison, the Mercedes B Class (MPV) features a Plugin Hybrid, Petrol MHEV or Diesel engine with Automatic transmission.
When it comes to boot capacity, the BMW i4 offers 470 L, while the Mercedes B Class provides 455 L – depending on how much space you need. If you’re looking for more power, decide whether the 601 HP of the BMW i4 or the 238 HP of the Mercedes B Class suits your needs better.
In terms of consumption, the values are 14.70 kWh per 100 km for the BMW i4, and 0.80 L for the Mercedes B Class.
Price-wise, the BMW i4 starts at 49400 £, while the Mercedes B Class is available from 33100 £. Compare all the details and find out which model fits your lifestyle best!
The BMW i4 beautifully merges the dynamism of a saloon with the efficiency of an electric vehicle, offering a truly exhilarating driving experience. Its design seamlessly blends elegance and athleticism, highlighting BMW's dedication to both aesthetics and performance. Inside, the i4 boasts a high-tech cockpit that harmonises luxury with intuitive technology, allowing drivers to stay connected while on the move.
detailsThe 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.
details|  |  | 
|  |  | 
| Costs and Consumption | |
|---|---|
| Price 
                    49400 - 62500 £
                 | Price 
                    33100 - 52500 £
                 | 
| Consumption L/100km 
                    -
                 | Consumption L/100km 
                    0.8 - 6.9 L
                 | 
| Consumption kWh/100km 
                    14.7 - 16.7 kWh
                 | Consumption kWh/100km 
                    -
                 | 
| Electric Range 
                    514 - 613 km
                 | Electric Range 
                    83 km
                 | 
| Battery Capacity 
                    67.1 - 81.3 kWh
                 | Battery Capacity 
                    12.90 kWh
                 | 
| co2 
                    0 g/km
                 | co2 
                    18 - 156 g/km
                 | 
| Fuel tank capacity 
                    -
                 | Fuel tank capacity 
                    35 - 51 L
                 | 
| Dimensions and Body | |
|---|---|
| Body Type 
                    Hatchback
                 | Body Type 
                    MPV
                 | 
| Seats 
                    5
                 | Seats 
                    5
                 | 
| Doors 
                    5
                 | Doors 
                    5
                 | 
| Curb weight 
                    2070 - 2285 kg
                 | Curb weight 
                    1405 - 1745 kg
                 | 
| Trunk capacity 
                    470 L
                 | Trunk capacity 
                    405 - 455 L
                 | 
| Length 
                    4783 mm
                 | Length 
                    4419 mm
                 | 
| Width 
                    1852 mm
                 | Width 
                    1796 mm
                 | 
| Height 
                    1448 mm
                 | Height 
                    1562 mm
                 | 
| Payload 
                    445 - 480 kg
                 | Payload 
                    505 - 550 kg
                 | 
| Engine and Performance | |
|---|---|
| Engine Type 
                    Electric
                 | Engine Type 
                    Plugin Hybrid, Petrol MHEV, Diesel
                 | 
| Transmission 
                    Automatic
                 | Transmission 
                    Automatic
                 | 
| Transmission Detail 
                    Reduction Gearbox
                 | Transmission Detail 
                    Dual-Clutch Automatic
                 | 
| Drive Type 
                    Rear-Wheel Drive, All-Wheel Drive
                 | Drive Type 
                    Front-Wheel Drive, All-Wheel Drive
                 | 
| Power HP 
                    286 - 601 HP
                 | Power HP 
                    116 - 238 HP
                 | 
| Acceleration 0-100km/h 
                    3.7 - 6 s
                 | Acceleration 0-100km/h 
                    6.5 - 10 s
                 | 
| Max Speed 
                    190 - 225 km/h
                 | Max Speed 
                    200 - 250 km/h
                 | 
| Torque 
                    400 - 795 Nm
                 | Torque 
                    200 - 450 Nm
                 | 
| Number of Cylinders 
                    -
                 | Number of Cylinders 
                    4
                 | 
| Power kW 
                    210 - 442 kW
                 | Power kW 
                    85 - 175 kW
                 | 
| Engine capacity 
                    -
                 | Engine capacity 
                    1332 - 1991 cm3
                 | 
| General | |
|---|---|
| Model Year 
                    2025
                 | Model Year 
                    2024 - 2025
                 | 
| CO2 Efficiency Class 
                    A
                 | CO2 Efficiency Class 
                    B, D, E, F
                 | 
| Brand 
                    BMW
                 | Brand 
                    Mercedes-Benz
                 | 
In the ever-evolving landscape of electric vehicles, BMW has stepped forward with its state-of-the-art BMW i4. This model combines luxury, performance, and sustainability, reflecting the brand's commitment to innovation and excellence. Let's dive into the technical details and the innovative features that make the BMW i4 a noteworthy entry in the electric vehicle market.
Under the sleek bonnet of the BMW i4 lies a powerful electric motor, offering a range of performance options from 286 to an exhilarating 544 PS. With a 0 to 100 km/h acceleration time spanning between 3.9 and 6 seconds, the i4 provides a driving experience that matches its sporty exterior. The advanced powertrains offered include rear-wheel drive as well as all-wheel drive options, catering to different driving preferences.
The BMW i4 stands out not only for its performance but also for its impressive efficiency and range. The electric vehicle boasts a consumption rate ranging from 15.6 to 18 kWh per 100 km, complemented by an electrical range between 485 and 582 km. Such figures are achieved through BMW's innovative engineering and the generous 67.1 to 81.3 kWh battery capacity.
BMW has infused advanced technology throughout the i4 to enhance both comfort and connectivity. The vehicle features state-of-the-art integration with the BMW iDrive system, providing seamless control and access to driving data, entertainment, and navigation. Furthermore, the i4 is fitted with cutting-edge driver assistance features, making every journey safer and more enjoyable.
The aesthetically pleasing design of the BMW i4 is equally matched by its functional interior. With a 470-litre boot and the ability to comfortably seat up to five passengers, the vehicle balances practicality with style. The streamlined body measuring 4783 mm in length, 1852 mm in width, and 1448 mm in height, ensures that head-turning aesthetics are accompanied by aerodynamic efficiency.
Beyond performance and elegance, the BMW i4 is a testament to the brand's commitment to sustainability. As a zero-emission vehicle with a CO2 output of 0 g/km, it aligns with the global shift towards environmentally friendly transportation solutions. Furthermore, its efficient energy consumption underscores its effectiveness as a leader in electric vehicle innovation.
The BMW i4 is more than just an electric car; it is a sophisticated blend of cutting-edge technology, impressive range, and unparalleled performance. With its CO2 efficiency class rating of A and top-tier driving dynamics, the i4 is set to redefine the standards for electric vehicles in the luxury segment. Whether for a daily commute or a longer journey, the BMW i4 promises an exceptional driving experience while paving the way for a sustainable future.
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.
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.
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.
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.
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.
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.
The BMW i4 is offered with Rear-Wheel Drive or All-Wheel Drive.
The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.