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Kia EV3 vs Mercedes B Class comparison
Compare performance (204 HP vs 238 HP), boot space and price (30,800 £ vs 33,100 £ ) at a glance. Find out which car is the better choice for you – Kia EV3 or Mercedes B Class?
EV3
Costs and Efficiency:
Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.
Kia EV3 is very slightly cheaper – starting at 30,800 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 2,281 £.
As for electric range, the Kia EV3 offers clearly more range – reaching up to 605 km, about 522 km more than the Mercedes B Class.
B Class
Engine and Performance:
Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.
When it comes to engine power, the Mercedes B Class offers a bit more power – delivering 238 HP compared to 204 HP. That’s roughly 34 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes B Class is somewhat quicker – completing the sprint in 6.5 s, while the Kia EV3 takes 7.5 s. That’s about 1 s quicker.
Looking at top speed, the Mercedes B Class is clearly faster – reaching 223 km/h, while the Kia EV3 tops out at 170 km/h. The difference is around 53 km/h.
There’s also a difference in torque: the Mercedes B Class delivers markedly more torque with 450 Nm compared to 283 Nm. That’s about 167 Nm more.
EV3
Space and Everyday Use:
Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.
Both vehicles offer seating for 5 people.
In terms of curb weight, Mercedes B Class is noticeably lighter – 1,405 kg compared to 1,800 kg. The difference is around 395 kg.
Looking at boot space, the Kia EV3 offers marginally more boot space – 460 L compared to 455 L. That’s a difference of about 5 L.
For maximum load capacity, the Mercedes B Class offers a bit more capacity – up to 1,440 L, about 189 L more than the Kia EV3.
When it comes to payload, the Mercedes B Class carries a bit more – 550 kg compared to 470 kg. That’s a difference of about 80 kg.
Who wins the race in the data check?
The Kia EV3 stands well ahead of its rival in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.
from £30,800
Kia EV3
Kia EV3
Mercedes B Class
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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Kia EV3
The Kia EV3 arrives as a cheeky, practical electric compact that manages to feel both premium and playful, delivering crisp handling and a roomy cabin that's perfect for urban life. With smart tech, friendly styling and sensible pricing, the EV3 is the kind of car that makes switching to electric feel like a no-brainer without asking you to give anything important up.
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Mercedes B Class
The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.
details
Kia EV3
Mercedes B Class
Costs and Consumption |
|
|---|---|
|
Price
30,800 - 41,700 £
|
Price
33,100 - 52,500 £
|
|
Consumption L/100km
-
|
Consumption L/100km
2.5 - 6.9 L/100km
|
|
Consumption kWh/100km
14.9 - 16.2 kWh/100km
|
Consumption kWh/100km
-
|
|
Electric Range
436 - 605 km
|
Electric Range
83 km
|
|
Battery Capacity
58.3 - 81.4 kWh
|
Battery Capacity
12.9 kWh
|
|
co2
0 g/km
|
co2
56 - 156 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
35 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
MPV
|
|
Seats
5
|
Seats
5
|
|
Doors
5
|
Doors
5
|
|
Curb weight
1,800 - 1,885 kg
|
Curb weight
1,405 - 1,745 kg
|
|
Trunk capacity
460 L
|
Trunk capacity
405 - 455 L
|
|
Length
4,300 - 4,310 mm
|
Length
4,419 mm
|
|
Width
1,850 mm
|
Width
1,796 mm
|
|
Height
1,560 - 1,570 mm
|
Height
1,562 mm
|
|
Max trunk capacity
1,251 L
|
Max trunk capacity
1,440 L
|
|
Payload
470 kg
|
Payload
505 - 550 kg
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Engine and Performance |
|
|---|---|
|
Engine Type
Electric
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Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Reduction Gearbox
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Transmission Detail
Dual-Clutch Automatic
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Drive Type
Front-Wheel Drive
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
|
Power HP
204 HP
|
Power HP
116 - 238 HP
|
|
Acceleration 0-100km/h
7.5 - 7.9 s
|
Acceleration 0-100km/h
6.5 - 10 s
|
|
Max Speed
170 km/h
|
Max Speed
223 km/h
|
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Torque
283 Nm
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Torque
200 - 450 Nm
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|
Number of Cylinders
-
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Number of Cylinders
4
|
|
Power kW
150 kW
|
Power kW
85 - 175 kW
|
|
Engine capacity
-
|
Engine capacity
1,332 - 1,991 cm3
|
General |
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|---|---|
|
Model Year
2,024
|
Model Year
2,024 - 2,025
|
|
CO2 Efficiency Class
A
|
CO2 Efficiency Class
B, D, E, F
|
|
Brand
Kia
|
Brand
Mercedes-Benz
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DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved.
The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.