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BMW 7 Series vs MG MG3 comparison

Compare performance (571 HP vs 194 HP), boot space and price (102,800 £ vs 15,400 £ ) at a glance. Find out which car is the better choice for you – BMW 7 Series or MG MG3?

BMW 7 Series vs MG MG3: Key differences

BMW 7 Series

  • clearly more power
  • visibly more efficient
  • substantially quicker 0–100 km/h
  • clearly more trunk space
details

MG MG3

5 (1 Reviews)
rate
  • considerably cheaper
  • considerably lighter
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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

7 Series

Costs and Efficiency:

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

MG MG3 is considerably cheaper – starting at 15,400 £ , while the BMW 7 Series costs 102,800 £ . That’s a price difference of around 87,351 £.

Fuel consumption also shows a difference: the BMW 7 Series uses 3.3 L/100km and is visibly more efficient than the MG MG3 with 4.4 L/100km. The difference is about 1.1 L/100km.

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 BMW 7 Series offers clearly more power – delivering 571 HP compared to 194 HP. That’s roughly 377 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 7 Series is substantially quicker – completing the sprint in 4.3 s, while the MG MG3 takes 8 s. That’s about 3.7 s quicker.

There’s also a difference in torque: the BMW 7 Series delivers clearly more torque with 800 Nm compared to 148 Nm. That’s about 652 Nm more.

7 Series

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, MG MG3 is considerably lighter – 1,237 kg compared to 2,255 kg. The difference is around 1,018 kg.

Looking at boot space, the BMW 7 Series offers clearly more boot space – 540 L compared to 293 L. That’s a difference of about 247 L.

When it comes to payload, the BMW 7 Series carries noticeably more – 665 kg compared to 448 kg. That’s a difference of about 217 kg.

Who wins the race in the data check?

The MG MG3 holds a decisive overall lead 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
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BMW 7 Series
MG MG3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 7 Series

The BMW 7 Series is a flagship that balances whisper-quiet luxury with a driver's focus, wrapping advanced tech and plush comfort in a sleek, authoritative presence. It’s the kind of car that navigates city traffic and open roads with equal poise, offering a grown-up alternative for buyers who demand refinement without losing a little driving fun.

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Reviews BMW 7 Series

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

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.

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Left-Back-30°-1
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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.

Frequently compared as well

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MG MG3
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BMW 7 Series
MG MG3

Costs and Consumption
Price
102,800 - 128,700 £
Price
15,400 - 21,400 £
Consumption L/100km
3.3 - 6.1 L/100km
Consumption L/100km
4.4 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
74 - 160 g/km
co2
100 - 137 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,255 - 2,525 kg
Curb weight
1,237 - 1,285 kg
Trunk capacity
525 - 540 L
Trunk capacity
293 L
Length
-
Length
-
Width
1,950 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
605 - 665 kg
Payload
373 - 448 kg

Engine and Performance
Engine Type
Diesel MHEV, Plugin Hybrid
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
300 - 571 HP
Power HP
116 - 194 HP
Acceleration 0-100km/h
4.3 - 5.8 s
Acceleration 0-100km/h
8 - 10.8 s
Max Speed
-
Max Speed
-
Torque
670 - 800 Nm
Torque
148 Nm
Number of Cylinders
6
Number of Cylinders
4
Power kW
220 - 420 kW
Power kW
85 - 143 kW
Engine capacity
2,993 - 2,998 cm3
Engine capacity
1,490 - 1,495 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
F, B
CO2 Efficiency Class
E, C
Brand
BMW
Brand
MG
What drive types are available for the BMW 7 Series?

Available configurations include 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.