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

Side-by-side comparison of all specifications in imperial units (mi, lb). To see metric units (km, kg), switch website version to Global.
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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 $9496, while the Kia Niro EV Standard Range (2019-2022) was never offered for sale in the United States.

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 USA (Used) $9496 - Price USA (Used)
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) 87 mi - Range (EPA)
Range (WLTP) - Range (WLTP) 180 mi
Range (GCC) 88 mi 153 mi
Battery Capacity (Nominal) 31 kWh 42 kWh
Battery Capacity (Usable) 28 kWh 39.2 kWh
Efficiency per 100 mi 31.8 kWh/100 mi 25.6 kWh/100 mi
Efficiency per kWh 3.14 mi/kWh 3.9 mi/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 10 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) 10 kW 7.2 kW
Max Charging Power (DC) - Max Charging Power (DC) 44 kW
Architecture 400 V 400 V
Charge Port Type 1 (J1772) 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 60 mph.

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 251 lb-ft 291 lb-ft
0-60 mph 7.5 s 9.5 s
Top Speed 99 mph 96 mph
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 171.6 in 172.2 in
Width (with Mirrors) 79.1 in - Width (with Mirrors)
Width (w/o Mirrors) 70.3 in 71.1 in
Height 61.3 in 61.4 in
Wheelbase 106.3 in 106.3 in

Cargo and Towing

The Kia Niro EV Standard Range (2019-2022) 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 the US.

Property Mercedes B-Class 250e Kia Niro EV Standard Range
Number of Seats 5 5
Curb Weight 3924 lb 3629 lb
Cargo Volume (Trunk) 17.7 ft3 18.5 ft3
Cargo Volume (Max) 51.4 ft3 53 ft3
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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