Global EV Comparison: Mercedes B-Class 250e vs Kia Niro EV Standard Range

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

Since both vehicles have been discontinued, they are now only available on the used car market. You can get the Mercedes B 250e (2014-2017) for as low as €11990, while the Kia Niro EV Standard Range (2019-2022) begins at €17885.

The Mercedes B 250e (2014-2017) is a Hatchback, whereas the Kia Niro EV Standard Range (2019-2022) is a SUV.

Property Mercedes B-Class 250e Kia Niro EV Standard Range
Years of Production 2014-2017 2019-2022
Current Status Discontinued Discontinued
Country of Manufacture Germany, Hungary South Korea
Body Style Hatchback SUV
Market Availability EU, USA EU
Price Europe (Used) €11990 €17885
GCC Score 4.6 5.2

Range and Efficiency

The Kia Niro EV Standard Range (2019-2022) boasts a greater real-world range, a larger battery, and superior energy efficiency compared to the Mercedes B 250e (2014-2017).

Property Mercedes B-Class 250e Kia Niro EV Standard Range
Range (EPA) 140 km - Range (EPA)
Range (WLTP) - Range (WLTP) 289 km
Range (GCC) 142 km 246 km
Battery Capacity (Nominal) 31 kWh 42 kWh
Battery Capacity (Usable) 28 kWh 39.2 kWh
Efficiency per 100 km 19.7 kWh/100 km 15.9 kWh/100 km
Efficiency per kWh 5.07 km/kWh 6.28 km/kWh
Range and Efficiency Score 4 5.8

Charging

Both vehicles utilize a standard 400-volt architecture.

The Mercedes B 250e (2014-2017) has no DC fast charging capability, whereas the Kia Niro EV Standard Range (2019-2022) can charge at up to 44 kW.

The Mercedes B 250e (2014-2017) features a more powerful on-board charger, supporting a maximum AC charging power of 9.6 kW, whereas the Kia Niro EV Standard Range (2019-2022) is limited to 7.2 kW.

Property Mercedes B-Class 250e Kia Niro EV Standard Range
Max Charging Power (AC) 9.6 kW 7.2 kW
Max Charging Power (DC) - Max Charging Power (DC) 44 kW
Architecture 400 V 400 V
Charge Port Type 2 (Mennekes) CCS Type 2
Charging Score 3.9 4

Performance

Both vehicles are front-wheel drive.

The Mercedes B 250e (2014-2017) boasts greater motor power and accelerates faster from 0 to 100 km/h.

Property Mercedes B-Class 250e Kia Niro EV Standard Range
Drive Type FWD FWD
Motor Type PMSM PMSM
Motor Power (kW) 132 kW 100 kW
Motor Power (hp) 177 hp 134 hp
Motor Torque 340 Nm 395 Nm
0-100 km/h 7.9 s 9.8 s
Top Speed 160 km/h 155 km/h
Performance Score 3.5 3.1

Dimensions

The Mercedes B 250e (2014-2017) and Kia Niro EV Standard Range (2019-2022) are about the same size.

Both models have similar wheelbase lengths.

Property Mercedes B-Class 250e Kia Niro EV Standard Range
Length 4359 mm 4375 mm
Width (with Mirrors) 2010 mm - Width (with Mirrors)
Width (w/o Mirrors) 1786 mm 1805 mm
Height 1557 mm 1560 mm
Wheelbase 2699 mm 2700 mm

Cargo and Towing

The Mercedes B 250e (2014-2017) 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).

Neither vehicle is officially rated for towing in in the EU.

Property Mercedes B-Class 250e Kia Niro EV Standard Range
Number of Seats 5 5
Curb Weight 1725 kg 1646 kg
Cargo Volume (Trunk) 501 l 451 l
Cargo Volume (Max) 1456 l 1405 l
Cargo Volume (Frunk) - Cargo Volume (Frunk) - Cargo Volume (Frunk)
Towing Capacity - Towing Capacity - Towing Capacity
Cargo and Towing Score 4.5 5.5
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