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Kia Seltos vs Mercedes B Class comparison

Compare performance (180 HP vs 238 HP), boot space and price (29,300 £ vs 33,100 £ ) at a glance. Find out which car is the better choice for you – Kia Seltos or Mercedes B Class?

Kia Seltos vs Mercedes B Class: Key differences

Kia Seltos

  • somewhat cheaper
  • slightly more trunk space
details

Mercedes B Class

4.9 (5 Reviews)
rate
  • clearly more power
  • noticeably more efficient
  • visibly quicker 0–100 km/h
  • only slightly lighter
details

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

Seltos

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Kia Seltos is somewhat cheaper – starting at 29,300 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 3,824 £.

Fuel consumption also shows a difference: the Mercedes B Class uses 5.1 L/100km and is noticeably more efficient than the Kia Seltos with 6.9 L/100km. The difference is about 1.8 L/100km.

B Class

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes B Class offers clearly more power – delivering 238 HP compared to 180 HP. That’s roughly 58 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is visibly quicker – completing the sprint in 6.5 s, while the Kia Seltos takes 8.8 s. That’s about 2.3 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers noticeably more torque with 400 Nm compared to 265 Nm. That’s about 135 Nm more.

Seltos

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes B Class is only slightly lighter – 1,405 kg compared to 1,515 kg. The difference is around 110 kg.

Looking at boot space, the Kia Seltos offers slightly more boot space – 536 L compared to 455 L. That’s a difference of about 81 L.

When it comes to payload, the Mercedes B Class carries only slightly more – 550 kg compared to 495 kg. That’s a difference of about 55 kg.

Who wins the race in the data check?

The Mercedes B Class is far ahead overall 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 £33,100
B Class

Mercedes B Class

  • Engine Type Petrol MHEV, Diesel
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 238 HP
  • Consumption L/100km 5.1 - 6.9 L/100km
details

Frequently compared as well

Mercedes B Class
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Kia Seltos
Mercedes B Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Kia Seltos

The Kia Seltos is a stylish and practical compact SUV that balances urban-friendly dimensions with a confident road presence. Inside it feels thoughtfully laid out with comfortable seating and a composed ride that suits daily driving and light adventure.

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Reviews Kia Seltos

No reviews yet. Share your experience and help others decide.

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.

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Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Kia Seltos
Mercedes B Class

Costs and Consumption
Price
29,300 - 38,900 £
Price
33,100 - 52,500 £
Consumption L/100km
6.9 - 7.5 L/100km
Consumption L/100km
5.1 - 6.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
156 - 169 g/km
co2
133 - 156 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
MPV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,515 - 1,620 kg
Curb weight
1,405 - 1,565 kg
Trunk capacity
536 L
Trunk capacity
445 - 455 L
Length
-
Length
-
Width
1,830 mm
Width
1,796 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 495 kg
Payload
515 - 550 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Diesel
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
180 HP
Power HP
116 - 238 HP
Acceleration 0-100km/h
8.8 - 9.2 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
-
Max Speed
-
Torque
265 Nm
Torque
200 - 400 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
132 kW
Power kW
85 - 175 kW
Engine capacity
1,598 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
F
CO2 Efficiency Class
D, E, F
Brand
Kia
Brand
Mercedes-Benz
Is the Kia Seltos offered with different drivetrains?

The Kia Seltos is available as Front-Wheel Drive or All-Wheel Drive.

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.