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Cadillac OPTIQ vs Mercedes E-Class comparison

Compare performance (304 HP vs 585 HP), boot space and price (55,700 £ vs 50,500 £ ) at a glance. Find out which car is the better choice for you – Cadillac OPTIQ or Mercedes E-Class?

Cadillac OPTIQ vs Mercedes E-Class: Key differences

Cadillac OPTIQ

3.7 (1 Reviews)
rate
  • considerably more electric range
details

Mercedes E-Class

4.7 (2 Reviews)
rate
  • a bit cheaper
  • considerably more power
  • clearly quicker 0–100 km/h
  • visibly lighter
  • moderately more trunk space
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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

E-Class

Costs and Efficiency:

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

Mercedes E-Class is a bit cheaper – starting at 50,500 £ , while the Cadillac OPTIQ costs 55,700 £ . That’s a price difference of around 5,224 £.

As for electric range, the Cadillac OPTIQ offers considerably more range – reaching up to 425 km, about 309 km more than the Mercedes E-Class.

E-Class

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 Mercedes E-Class offers considerably more power – delivering 585 HP compared to 304 HP. That’s roughly 281 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes E-Class is clearly quicker – completing the sprint in 4 s, while the Cadillac OPTIQ takes 6.3 s. That’s about 2.3 s quicker.

There’s also a difference in torque: the Mercedes E-Class delivers visibly more torque with 750 Nm compared to 480 Nm. That’s about 270 Nm more.

E-Class

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes E-Class is visibly lighter – 1,810 kg compared to 2,376 kg. The difference is around 566 kg.

Looking at boot space, the Mercedes E-Class offers moderately more boot space – 540 L compared to 443 L. That’s a difference of about 97 L.

When it comes to payload, the Mercedes E-Class carries moderately more – 640 kg compared to 524 kg. That’s a difference of about 116 kg.

Who wins the race in the data check?

The Mercedes E-Class 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 £50,500
E-Class

Mercedes E-Class

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 186 - 585 HP
  • Consumption L/100km 1.5 - 7.5 L/100km
  • Electric Range 101 - 116 km
details

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Cadillac OPTIQ
Mercedes E-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

details

Reviews Cadillac OPTIQ

3.7 (1 Reviews)
rate

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

Mercedes E-Class

The Mercedes E‑Class is the executive saloon that balances calm refinement with a hint of sporting intent, wrapping luxury in tasteful understatement. It pampers occupants with a composed ride and intuitive tech while quietly reminding you that it’s still very much a Mercedes — authoritative, polished, and unwilling to shout for attention.

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19C0741_014
19C0741_016
18C0338_006

Reviews Mercedes E-Class

4.7 (2 Reviews)
rate
Carlos
11 Apr 2026, 20:47:10

Comfortable car, beautiful lines, powerful and economical to run.

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

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Cadillac OPTIQ
Mercedes E-Class

Costs and Consumption
Price
55,700 £
Price
50,500 - 119,700 £
Consumption L/100km
-
Consumption L/100km
1.5 - 7.5 L/100km
Consumption kWh/100km
19.9 kWh/100km
Consumption kWh/100km
-
Electric Range
425 km
Electric Range
101 - 116 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
39 - 172 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,376 kg
Curb weight
1,810 - 2,390 kg
Trunk capacity
443 L
Trunk capacity
370 - 540 L
Length
-
Length
-
Width
1,912 mm
Width
1,880 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
524 kg
Payload
530 - 640 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
304 HP
Power HP
186 - 585 HP
Acceleration 0-100km/h
6.3 s
Acceleration 0-100km/h
4 - 8.5 s
Max Speed
-
Max Speed
-
Torque
480 Nm
Torque
320 - 750 Nm
Number of Cylinders
-
Number of Cylinders
4 - 6
Power kW
224 kW
Power kW
137 - 430 kW
Engine capacity
-
Engine capacity
1,993 - 2,999 cm3

General
Model Year
2026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, F, B, D
Brand
Cadillac
Brand
Mercedes-Benz
What drive types are available for the Cadillac OPTIQ?

The Cadillac OPTIQ is offered with 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.