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MG MG3 vs Cadillac OPTIQ comparison

Compare performance (194 HP vs 304 HP), boot space and price (15,400 £ vs 55,700 £ ) at a glance. Find out which car is the better choice for you – MG MG3 or Cadillac OPTIQ?

MG MG3 vs Cadillac OPTIQ: Key differences

MG MG3

5 (1 Reviews)
rate
  • significantly cheaper
  • significantly lighter
details

Cadillac OPTIQ

3.7 (1 Reviews)
rate
  • noticeably more power
  • noticeably quicker 0–100 km/h
  • clearly more trunk space
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

MG3

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.

MG MG3 is significantly cheaper – starting at 15,400 £ , while the Cadillac OPTIQ costs 55,700 £ . That’s a price difference of around 40,294 £.

MG3

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 Cadillac OPTIQ offers noticeably more power – delivering 304 HP compared to 194 HP. That’s roughly 110 HP more horsepower.

When accelerating from 0 to 100 km/h, the Cadillac OPTIQ is noticeably quicker – completing the sprint in 6.3 s, while the MG MG3 takes 8 s. That’s about 1.7 s quicker.

There’s also a difference in torque: the Cadillac OPTIQ delivers clearly more torque with 480 Nm compared to 148 Nm. That’s about 332 Nm more.

MG3

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, MG MG3 is significantly lighter – 1,237 kg compared to 2,376 kg. The difference is around 1,139 kg.

Looking at boot space, the Cadillac OPTIQ offers clearly more boot space – 443 L compared to 293 L. That’s a difference of about 150 L.

When it comes to payload, the Cadillac OPTIQ carries somewhat more – 524 kg compared to 448 kg. That’s a difference of about 76 kg.

Who wins the race in the data check?

The MG MG3 has the upper hand 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 £15,400
MG3

MG MG3

  • Engine Type Petrol, Full Hybrid
  • Transmission Manuel, Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 116 - 194 HP
  • Consumption L/100km 4.4 - 6.1 L/100km
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Frequently compared as well

MG MG3
Opel Corsa
VS
Choosing between the MG3 and the Opel Corsa means weighing a budget-friendly, quirky small hatch against a more refined, mainstream rival with stronger dealer support. Which suits you will come down to priorities like build quality, driving refinement, fuel economy and after-sales service.
Citroen C3
MG MG3
VS
Comparing the Citroën C3 and the MG3 puts two budget-friendly city hatchbacks head-to-head: the C3 leans toward comfort, distinctive styling and a refined ride, while the MG3 focuses on low cost, generous interior space and straightforward practicality. If you value a plush, design-led small car go …
MG MG3
Cadillac OPTIQ

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

MG MG3

The MG3 is a cheeky city hatch that pairs bold, youthful styling with sprightly handling for drivers who want personality on a budget. Its cabin is bright and cleverly packaged, offering sensible space and a fun-to-drive character that turns mundane commutes into something a bit more enjoyable.

details
KV-1-1
Left-Back-30°-1
Front-Row-Space-1
Trunk-3

Reviews MG MG3

5 (1 Reviews)
rate
Giorgio catacchio
20 Sept 2025, 00:08:28

I've owned the MG3 Hybrid for a year — I travel a lot, never a dull moment; comes fully loaded as standard, incredible acceleration, etc.

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.

Frequently compared as well

MG MG3
MG MG4
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MG MG3
MG ZS
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Choosing between the compact MG3 hatchback and the larger MG ZS crossover comes down to whether you prioritise city-friendly agility and low running costs or interior space and practicality. This comparison covers driving character, equipment, fuel economy and ownership costs to help you pick the …
Kia Stonic
MG MG3
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In the ever-competitive compact car segment, the Kia Stonic and the MG MG3 both offer unique attributes that cater to different types of drivers. The Kia Stonic stands out with its stylish design, excellent fuel efficiency, and a suite of advanced safety features that provide peace of mind on the …
MG MG3
SEAT Ibiza
VS
In the competitive realm of subcompact hatchbacks, the MG3 and SEAT Ibiza stand out with distinct personalities. The MG3 offers an appealing price point and quirky styling, making it an attractive choice for budget-conscious buyers seeking a lively urban companion. On the other hand, the SEAT Ibiza …
MG MG3
Toyota Yaris
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Mazda 2 Hybrid
MG MG3
VS
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MG MG3
Peugeot 208
VS
In the competitive subcompact market, the MG3 stands out with its surprisingly spacious interior and budget-friendly pricing, appealing to those seeking value without sacrificing style. On the other hand, the Peugeot 208 impresses with its sleek design and advanced technology features, delivering a …
Fiat 600
MG MG3
VS
When comparing the Fiat 600 and the MG3, drivers will find distinct differences that cater to unique preferences. The Fiat 600, famous for its compact yet stylish design, offers urban-friendly maneuverability ideal for city dwellers. On the other hand, the MG3 boasts a sportier aesthetic with a …
MG MG3
Cadillac OPTIQ

Costs and Consumption
Price
15,400 - 21,400 £
Price
55,700 £
Consumption L/100km
4.4 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 kWh/100km
Electric Range
-
Electric Range
425 km
Battery Capacity
-
Battery Capacity
-
co2
100 - 137 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,237 - 1,285 kg
Curb weight
2,376 kg
Trunk capacity
293 L
Trunk capacity
443 L
Length
-
Length
-
Width
1,797 mm
Width
1,912 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
373 - 448 kg
Payload
524 kg

Engine and Performance
Engine Type
Petrol, Full Hybrid
Engine Type
Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 194 HP
Power HP
304 HP
Acceleration 0-100km/h
8 - 10.8 s
Acceleration 0-100km/h
6.3 s
Max Speed
-
Max Speed
-
Torque
148 Nm
Torque
480 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 143 kW
Power kW
224 kW
Engine capacity
1,490 - 1,495 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
E, C
CO2 Efficiency Class
A
Brand
MG
Brand
Cadillac
What drive types are available for the MG MG3?

The MG MG3 is available as Front-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.