Global EV Comparison: BMW iX3 Gen 1 vs Mercedes B-Class 250e

Side-by-side comparison of all specifications in metric units (km, kg). To see imperial units (mi, lb), switch website version to USA.
Share:

Struggling to Decide? Let AI Help!

Instantly compare key specs and get tailored insights to find your ideal EV.
Just a sec! AI is comparing every detail for you...

Your AI Summary Is Ready!

General Info

Since both vehicles have been discontinued, they are now only available on the used car market. You can get the BMW iX3 Gen 1 (2020-2021) for as low as €30900, while the Mercedes B 250e (2014-2017) begins at €11990.

The BMW iX3 Gen 1 (2020-2021) is a SUV, whereas the Mercedes B 250e (2014-2017) is a Hatchback.

Property BMW iX3 Gen 1 Mercedes B-Class 250e
Years of Production 2020-2021 2014-2017
Current Status Discontinued Discontinued
Country of Manufacture China Germany, Hungary
Body Style SUV Hatchback
Market Availability EU EU, USA
Price Europe (Used) €30900 €11990
GCC Score 6.6 4.6

Range and Efficiency

The BMW iX3 Gen 1 (2020-2021) boasts a greater real-world range, a larger battery, and superior energy efficiency compared to the Mercedes B 250e (2014-2017).

Property BMW iX3 Gen 1 Mercedes B-Class 250e
Range (EPA) - Range (EPA) 140 km
Range (WLTP) 460 km - Range (WLTP)
Range (GCC) 391 km 142 km
Battery Capacity (Nominal) 80 kWh 31 kWh
Battery Capacity (Usable) 74 kWh 28 kWh
Efficiency per 100 km 18.9 kWh/100 km 19.7 kWh/100 km
Efficiency per kWh 5.28 km/kWh 5.07 km/kWh
Range and Efficiency Score 6.5 4.1

Charging

Both vehicles utilize a standard 400-volt architecture.

The Mercedes B 250e (2014-2017) has no DC fast charging capability, whereas the BMW iX3 Gen 1 (2020-2021) can charge at up to 155 kW.

The BMW iX3 Gen 1 (2020-2021) features a more powerful on-board charger, supporting a maximum AC charging power of 11 kW, whereas the Mercedes B 250e (2014-2017) is limited to 9.6 kW.

Property BMW iX3 Gen 1 Mercedes B-Class 250e
Max Charging Power (AC) 11 kW 9.6 kW
Max Charging Power (DC) 155 kW - Max Charging Power (DC)
Architecture 400 V 400 V
Charge Port CCS Type 2 Type 2 (Mennekes)
Charging Score 6.5 3.9

Performance

The BMW iX3 Gen 1 (2020-2021) is rear-wheel drive, while the Mercedes B 250e (2014-2017) offers a front-wheel drive system.

The BMW iX3 Gen 1 (2020-2021) boasts greater motor power and accelerates faster from 0 to 100 km/h.

Property BMW iX3 Gen 1 Mercedes B-Class 250e
Drive Type RWD FWD
Motor Type PMSM PMSM
Motor Power (kW) 210 kW 132 kW
Motor Power (hp) 282 hp 177 hp
Motor Torque 400 Nm 340 Nm
0-100 km/h 6.8 s 7.9 s
Top Speed 180 km/h 160 km/h
Performance Score 4.4 3.4

Dimensions

The BMW iX3 Gen 1 (2020-2021) is longer, wider, and taller.

The BMW iX3 Gen 1 (2020-2021) boasts a more extended wheelbase.

Property BMW iX3 Gen 1 Mercedes B-Class 250e
Length 4734 mm 4359 mm
Width (with Mirrors) 2138 mm 2010 mm
Width (w/o Mirrors) 1891 mm 1786 mm
Height 1668 mm 1557 mm
Wheelbase 2864 mm 2699 mm

Cargo and Towing

The BMW iX3 Gen 1 (2020-2021) provides more cargo capacity, featuring both a larger trunk and more space with the rear seats folded.

Neither car is equipped with a frunk (front trunk).

The BMW iX3 Gen 1 (2020-2021) has a towing capacity of up to 750 kg, whereas the Mercedes B 250e (2014-2017) is not officially rated for towing in the EU.

Property BMW iX3 Gen 1 Mercedes B-Class 250e
Number of Seats 5 5
Curb Weight 2260 kg 1725 kg
Cargo Volume (Trunk) 510 l 501 l
Cargo Volume (Max) 1560 l 1456 l
Cargo Volume (Frunk) - Cargo Volume (Frunk) - Cargo Volume (Frunk)
Towing Capacity 750 kg - Towing Capacity
Cargo and Towing Score 7.3 4.5
Comparison list
2 cars
Let's Compare
Comparison list cleared