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BMW iX3 vs Mercedes GLC comparison

Compare performance (469 HP vs 680 HP), boot space and price (59100 £ vs 50300 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or Mercedes GLC?

BMW iX3 vs Mercedes GLC: Key differences

BMW iX3

4.7 (2 Reviews)
rate
  • somewhat more electric range

Mercedes GLC

4.4 (11 Reviews)
rate
  • somewhat cheaper
  • noticeable more power
  • slight more efficient
  • convincingly quicker from 0–100 km/h
  • evident lighter
  • somewhat more trunk space

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

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

iX3

Costs and Efficiency:

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

Mercedes GLC has a somewhat advantage in terms of price – it starts at 50300 £ , while the BMW iX3 costs 59100 £ . That’s a price difference of around 8730 £.

In terms of energy consumption, the advantage goes to the Mercedes GLC: with 14.90 kWh per 100 km, it’s slight more efficient than the BMW iX3 with 15.10 kWh. That’s a difference of about 0.20 kWh.

As for electric range, the BMW iX3 performs somewhat better – achieving up to 805 km, about 91 km more than the Mercedes GLC.

GLC

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 GLC has a noticeable edge – offering 680 HP compared to 469 HP. That’s roughly 211 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLC is convincingly quicker – completing the sprint in 3.50 s, while the BMW iX3 takes 4.90 s. That’s about 1.40 s faster.

In terms of top speed, the Mercedes GLC performs noticeable better – reaching 275 km/h, while the BMW iX3 tops out at 210 km/h. The difference is around 65 km/h.

There’s also a difference in torque: Mercedes GLC pulls noticeable stronger with 1020 Nm compared to 645 Nm. That’s about 375 Nm difference.

iX3

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 curb weight, Mercedes GLC is evident lighter – 1910 kg compared to 2360 kg. The difference is around 450 kg.

In terms of boot space, the Mercedes GLC offers somewhat more room – 620 L compared to 520 L. That’s a difference of about 100 L.

In maximum load capacity, the BMW iX3 performs hardly perceptible better – up to 1750 L, which is about 10 L more than the Mercedes GLC.

When it comes to payload, Mercedes GLC noticeable takes the win – 600 kg compared to 465 kg. That’s a difference of about 135 kg.

Who wins the race in the data check?

The Mercedes GLC is decisively ahead 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.

Frequently compared as well

BMW iX3
BMW X5
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Mercedes GLC
Toyota RAV4
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In a head-to-head comparison between the Mercedes GLC and the Toyota RAV4, the luxurious GLC excels in offering a refined driving experience and premium interior materials that define its upscale appeal. Meanwhile, the RAV4 impresses with its practicality, reliability, and advanced safety features, …
BMW iX3
Mercedes GLC

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £50,300
GLC

Mercedes GLC

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 186 - 680 HP
  • Consumption L/100km : 1.6 - 9.7 L
  • Consumption kWh/100km : 14.9 - 16.6 kWh
  • Electric Range : 12 - 714 km
details

BMW iX3

4.7 (2 Reviews)
rate

The BMW iX3 brings BMW's familiar SUV poise into the electric era, blending restrained styling and a comfortable, composed ride that will please traditionalists dipping their toes into electrification. It's quiet, practical and rather grown-up about going electric — a sensible choice for buyers who want BMW driving manners without the drama.

details
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P90626566_lowRes_the-new-bmw-ix3-50-x

Mercedes GLC

4.4 (11 Reviews)
rate

The Mercedes GLC blends plush cabin comfort and composed road manners into an SUV that feels more grown-up than it looks. It won’t shout for attention, but will quietly please buyers who want refinement, usable space and a touch of luxury without the drama.

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Reviews BMW iX3

4.7 (2 Reviews)
rate
Johan
20 Sept 2025, 16:15:37

Nice range, fast charging and… bidirectional charging!!

Reviews Mercedes GLC

4.4 (11 Reviews)
rate
Marek
2 Jan 2026, 18:32:30

There’s something about a Mercedes — you have to take it for a spin to feel it and understand why it’s special.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
BMW iX3
Mercedes GLC

Costs and Consumption
Price
59100 - 64600 £
Price
50300 - 126600 £
Consumption L/100km
-
Consumption L/100km
1.6 - 9.7 L
Consumption kWh/100km
15.10 kWh
Consumption kWh/100km
14.9 - 16.6 kWh
Electric Range
805 km
Electric Range
12 - 714 km
Battery Capacity
108.70 kWh
Battery Capacity
94 kWh
co2
0 g/km
co2
0 - 221 g/km
Fuel tank capacity
-
Fuel tank capacity
62 - 65 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
2360 kg
Curb weight
1910 - 2535 kg
Trunk capacity
520 L
Trunk capacity
390 - 620 L
Length
4782 mm
Length
4716 - 4845 mm
Width
1895 mm
Width
1890 - 1913 mm
Height
1635 mm
Height
1603 - 1644 mm
Max trunk capacity
1750 L
Max trunk capacity
1490 - 1740 L
Payload
465 kg
Payload
475 - 600 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
469 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
4.90 s
Acceleration 0-100km/h
3.5 - 9 s
Max Speed
210 km/h
Max Speed
210 - 275 km/h
Torque
645 Nm
Torque
320 - 1020 Nm
Number of Cylinders
-
Number of Cylinders
4 - 6
Power kW
345 kW
Power kW
137 - 500 kW
Engine capacity
-
Engine capacity
1991 - 2989 cm3

General
Model Year
2026
Model Year
2025 - 2026
CO2 Efficiency Class
A
CO2 Efficiency Class
F, G, D, B, E, A
Brand
BMW
Brand
Mercedes-Benz

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What drive types are available for the BMW iX3?

The BMW iX3 is available as All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.