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Mercedes EQB vs Cadillac OPTIQ comparison

Compare performance (292 HP vs 304 HP), boot space and price (45,900 £ vs 55,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes EQB or Cadillac OPTIQ?

Mercedes EQB vs Cadillac OPTIQ: Key differences

Mercedes EQB

4.3 (3 Reviews)
rate
  • visibly cheaper
  • visibly more efficient
  • markedly more electric range
  • only slightly quicker 0–100 km/h
  • slightly lighter
  • a bit more trunk space

Cadillac OPTIQ

3.7 (1 Reviews)
rate
  • only slightly more power

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

EQB

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes EQB is visibly cheaper – starting at 45,900 £ , while the Cadillac OPTIQ costs 55,700 £ . That’s a price difference of around 9,845 £.

In terms of energy consumption, the Mercedes EQB is visibly more efficient: consuming 15.2 kWh/100km compared to 19.9 kWh/100km for the Cadillac OPTIQ. That’s a difference of about 4.7 kWh/100km.

As for electric range, the Mercedes EQB offers markedly more range – reaching up to 535 km, about 110 km more than the Cadillac OPTIQ.

EQB

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Cadillac OPTIQ offers only slightly more power – delivering 304 HP compared to 292 HP. That’s roughly 12 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQB is only slightly quicker – completing the sprint in 6.2 s, while the Cadillac OPTIQ takes 6.3 s. That’s about 0.1 s quicker.

Looking at top speed, the Cadillac OPTIQ is moderately faster – reaching 184 km/h, while the Mercedes EQB tops out at 160 km/h. The difference is around 24 km/h.

There’s also a difference in torque: the Mercedes EQB delivers only slightly more torque with 520 Nm compared to 480 Nm. That’s about 40 Nm more.

EQB

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 EQB is slightly lighter – 2,105 kg compared to 2,376 kg. The difference is around 271 kg.

Looking at boot space, the Mercedes EQB offers a bit more boot space – 495 L compared to 443 L. That’s a difference of about 52 L.

For maximum load capacity, the Mercedes EQB offers noticeably more capacity – up to 1,710 L, about 370 L more than the Cadillac OPTIQ.

When it comes to payload, the Cadillac OPTIQ carries a bit more – 524 kg compared to 435 kg. That’s a difference of about 89 kg.

Who wins the race in the data check?

The Mercedes EQB is clearly superior 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 £45,900
EQB

Mercedes EQB

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 190 - 292 HP
  • Consumption kWh/100km : 15.2 - 17.2 kWh/100km
  • Electric Range : 468 - 535 km
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Mercedes EQB
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Cadillac OPTIQ

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes EQB

The Mercedes EQB is an electric compact SUV that dresses Mercedes' premium feel in practical clothing, with flexible seating and a serene, composed ride that turns everyday errands into a small luxury. It won't thrill the enthusiast, but for buyers who want a smart, spacious and well-made EV with tasteful tech and real-world usability, the EQB is a sensible, slightly buttoned-up choice that impresses without shouting.

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Reviews Mercedes EQB

4.3 (3 Reviews)
rate
Stefan
4 Dec 2025, 21:05:57

A bit boring and no longer up-to-date with its slow charging speed...

Cadillac OPTIQ

The Cadillac Optiq is a chic, compact electric SUV that brings the brand’s bold styling, hushed refinement, and confident punch to a more attainable size. With a calm, composed ride, a tech-rich cabin, and the brand’s signature light show outside, it feels like an urban-friendly gateway to true American luxury without losing the drama or the practicality buyers need.

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Reviews Cadillac OPTIQ

3.7 (1 Reviews)
rate

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

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Cadillac OPTIQ

Costs and Consumption
Price
45,900 - 58,900 £
Price
55,700 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.2 - 17.2 kWh/100km
Consumption kWh/100km
19.9 kWh/100km
Electric Range
468 - 535 km
Electric Range
425 km
Battery Capacity
70.5 kWh
Battery Capacity
75 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
2,105 - 2,170 kg
Curb weight
2,376 kg
Trunk capacity
495 L
Trunk capacity
443 L
Length
4,684 mm
Length
4,820 mm
Width
1,834 mm
Width
1,912 mm
Height
1,654 - 1,689 mm
Height
1,643 mm
Max trunk capacity
1,710 L
Max trunk capacity
1,340 L
Payload
435 kg
Payload
524 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
190 - 292 HP
Power HP
304 HP
Acceleration 0-100km/h
6.2 - 8.9 s
Acceleration 0-100km/h
6.3 s
Max Speed
160 km/h
Max Speed
184 km/h
Torque
385 - 520 Nm
Torque
480 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
140 - 215 kW
Power kW
224 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Cadillac
Is the Mercedes EQB offered with different drivetrains?

The Mercedes EQB 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.