Global EV Comparison: Kia Niro EV Standard Range 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.
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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 Kia Niro EV Standard Range (2019-2022) for as low as €17885, while the Mercedes B 250e (2014-2017) begins at €11990.

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

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

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

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

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

Dimensions

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

Both models have similar wheelbase lengths.

Property Kia Niro EV Standard Range Mercedes B-Class 250e
Length 4375 mm 4359 mm
Width (with Mirrors) - Width (with Mirrors) 2010 mm
Width (w/o Mirrors) 1805 mm 1786 mm
Height 1560 mm 1557 mm
Wheelbase 2700 mm 2699 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 Kia Niro EV Standard Range Mercedes B-Class 250e
Number of Seats 5 5
Curb Weight 1646 kg 1725 kg
Cargo Volume (Trunk) 451 l 501 l
Cargo Volume (Max) 1405 l 1456 l
Cargo Volume (Frunk) - Cargo Volume (Frunk) - Cargo Volume (Frunk)
Towing Capacity - Towing Capacity - Towing Capacity
Cargo and Towing Score 5.5 4.5
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