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

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 BMW iX3 Gen 1 (2020-2021) was never offered for sale in the United States.

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

Property Mercedes B-Class 250e BMW iX3 Gen 1
Years of Production 2014-2017 2020-2021
Current Status Discontinued Discontinued
Country of Manufacture Germany, Hungary China
Body Style Hatchback SUV
Market Availability EU, USA EU
Price USA (Used) $9496 - Price USA (Used)
GCC Score 4.6 6.6

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 Mercedes B-Class 250e BMW iX3 Gen 1
Range (EPA) 87 mi - Range (EPA)
Range (WLTP) - Range (WLTP) 286 mi
Range (GCC) 88 mi 243 mi
Battery Capacity (Nominal) 31 kWh 80 kWh
Battery Capacity (Usable) 28 kWh 74 kWh
Efficiency per 100 mi 31.8 kWh/100 mi 30.5 kWh/100 mi
Efficiency per kWh 3.14 mi/kWh 3.28 mi/kWh
Range and Efficiency Score 4.1 6.5

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 10 kW.

Property Mercedes B-Class 250e BMW iX3 Gen 1
Max Charging Power (AC) 10 kW 11 kW
Max Charging Power (DC) - Max Charging Power (DC) 155 kW
Architecture 400 V 400 V
Charge Port Type 1 (J1772) CCS Type 2
Charging Score 3.9 6.5

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 60 mph.

Property Mercedes B-Class 250e BMW iX3 Gen 1
Drive Type FWD RWD
Motor Type PMSM PMSM
Motor Power (kW) 132 kW 210 kW
Motor Power (hp) 177 hp 282 hp
Motor Torque 251 lb-ft 295 lb-ft
0-60 mph 7.5 s 6.5 s
Top Speed 99 mph 112 mph
Performance Score 3.4 4.4

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 Mercedes B-Class 250e BMW iX3 Gen 1
Length 171.6 in 186.4 in
Width (with Mirrors) 79.1 in 84.2 in
Width (w/o Mirrors) 70.3 in 74.4 in
Height 61.3 in 65.7 in
Wheelbase 106.3 in 112.8 in

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).

Neither vehicle is officially rated for towing in the US.

Property Mercedes B-Class 250e BMW iX3 Gen 1
Number of Seats 5 5
Curb Weight 3924 lb 4982 lb
Cargo Volume (Trunk) 17.7 ft3 18 ft3
Cargo Volume (Max) 51.4 ft3 55.1 ft3
Cargo Volume (Frunk) - Cargo Volume (Frunk) - Cargo Volume (Frunk)
Towing Capacity - Towing Capacity - Towing Capacity
Cargo and Towing Score 4.5 7.3
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