USA EV Comparison: Hyundai Ioniq Electric Gen 1 vs Mercedes B-Class 250e

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 Hyundai Ioniq Electric Gen 1 (2016-2019) for as low as $8700, while the Mercedes B 250e (2014-2017) begins at $9496.

The Hyundai Ioniq Electric Gen 1 (2016-2019) is a Liftback, whereas the Mercedes B 250e (2014-2017) is a Hatchback.

Property Hyundai Ioniq Electric Gen 1 Mercedes B-Class 250e
Years of Production 2016-2019 2014-2017
Current Status Discontinued Discontinued
Country of Manufacture South Korea Germany, Hungary
Body Style Liftback Hatchback
Market Availability EU, USA EU, USA
Price USA (Used) $8700 $9496
GCC Score 4.8 4.6

Range and Efficiency

Although both cars have the same battery capacity, Hyundai Ioniq Electric Gen 1 (2016-2019) achieves a longer real-world range due to its superior energy efficiency.

Property Hyundai Ioniq Electric Gen 1 Mercedes B-Class 250e
Range (EPA) 124 mi 87 mi
Range (GCC) 124 mi 88 mi
Battery Capacity (Nominal) 30.5 kWh 31 kWh
Battery Capacity (Usable) 28 kWh 28 kWh
Efficiency per 100 mi 22.6 kWh/100 mi 31.8 kWh/100 mi
Efficiency per kWh 4.43 mi/kWh 3.14 mi/kWh
Range and Efficiency Score 6.1 4

Charging

Both vehicles utilize a standard 400-volt architecture.

The Mercedes B 250e (2014-2017) has no DC fast charging capability, whereas the Hyundai Ioniq Electric Gen 1 (2016-2019) can charge at up to 69 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 Hyundai Ioniq Electric Gen 1 (2016-2019) is limited to 6.6 kW.

Property Hyundai Ioniq Electric Gen 1 Mercedes B-Class 250e
Max Charging Power (AC) 6.6 kW 10 kW
Max Charging Power (DC) 69 kW - Max Charging Power (DC)
Architecture 400 V 400 V
Charge Port CCS Type 1 Type 1 (J1772)
Charging Score 3.5 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 60 mph.

Property Hyundai Ioniq Electric Gen 1 Mercedes B-Class 250e
Drive Type FWD FWD
Motor Type PMSM PMSM
Motor Power (kW) 88 kW 132 kW
Motor Power (hp) 118 hp 177 hp
Motor Torque 218 lb-ft 251 lb-ft
0-60 mph 9.5 s 7.5 s
Top Speed 103 mph 99 mph
Performance Score 2.9 3.4

Dimensions

The Hyundai Ioniq Electric Gen 1 (2016-2019) has a longer body, while the Mercedes B 250e (2014-2017) stands taller, offering a more elevated ride. Their widths are almost identical, so both offer a similar amount of shoulder room.

Both models have similar wheelbase lengths.

Property Hyundai Ioniq Electric Gen 1 Mercedes B-Class 250e
Length 176 in 171.6 in
Width (with Mirrors) 80.5 in 79.1 in
Width (w/o Mirrors) 71.7 in 70.3 in
Height 57.1 in 61.3 in
Wheelbase 106.3 in 106.3 in

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 the US.

Property Hyundai Ioniq Electric Gen 1 Mercedes B-Class 250e
Number of Seats 5 5
Curb Weight 3131 lb 3924 lb
Cargo Volume (Trunk) 12.4 ft3 17.7 ft3
Cargo Volume (Max) 49.8 ft3 51.4 ft3
Cargo Volume (Frunk) - Cargo Volume (Frunk) - Cargo Volume (Frunk)
Towing Capacity - Towing Capacity - Towing Capacity
Cargo and Towing Score 4.2 4.5
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