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BMW X3 vs BMW 8 Series Convertible comparison

Compare performance (398 HP vs 625 HP), boot space and price (51,700 £ vs 99,400 £ ) at a glance. Find out which car is the better choice for you – BMW X3 or BMW 8 Series Convertible?

BMW X3 vs BMW 8 Series Convertible: Key differences

BMW X3

4.6 (1 Reviews)
rate
  • clearly cheaper
  • clearly more efficient
  • visibly more trunk space
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BMW 8 Series Convertible

  • markedly more power
  • markedly quicker 0–100 km/h
  • marginally lighter
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By Achim Sedelmaier

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

X3

Costs and Efficiency:

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

BMW X3 is clearly cheaper – starting at 51,700 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 47,743 £.

Fuel consumption also shows a difference: the BMW X3 uses 2.8 L/100km and is clearly more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 4.1 L/100km.

8 Series Convertible

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 BMW 8 Series Convertible offers markedly more power – delivering 625 HP compared to 398 HP. That’s roughly 227 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is markedly quicker – completing the sprint in 3.3 s, while the BMW X3 takes 4.6 s. That’s about 1.3 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers moderately more torque with 750 Nm compared to 670 Nm. That’s about 80 Nm more.

X3

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.

Seats: BMW X3 offers more seats – 5 vs 4.

In terms of curb weight, BMW 8 Series Convertible is marginally lighter – 1,915 kg compared to 1,930 kg. The difference is around 15 kg.

Looking at boot space, the BMW X3 offers visibly more boot space – 570 L compared to 350 L. That’s a difference of about 220 L.

When it comes to payload, the BMW X3 carries visibly more – 570 kg compared to 425 kg. That’s a difference of about 145 kg.

Who wins the race in the data check?

The BMW X3 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.

from £51,700
X3

BMW X3

  • Engine Type Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 197 - 398 HP
  • Consumption L/100km 2.8 - 7.7 L/100km
  • Electric Range 88 km
BMW X3
BMW 8 Series Convertible

Costs and Consumption

View detailed analysis

Engine and Performance

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Dimensions and Body

View detailed analysis

BMW X3

The BMW X3 blends sporty handling with premium comfort, making it a strong choice for drivers who want an engaging everyday SUV. Its well-appointed interior and confident road manners give it broad appeal for families and commuters who value style and versatility.

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BMW 8 Series Convertible

The BMW 8 Series Convertible is a head-turning grand tourer that drops its roof with the kind of theatrical flourish you expect from a modern Bavarian showboat. It wraps occupants in sumptuous materials and driver-focused polish, offering effortless long-distance comfort and just enough drama to make every arrival feel like an occasion.

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BMW X3
BMW 8 Series Convertible

Costs and Consumption

Price
51,700 - 73,000 £
Price
99,400 - 165,800 £
Consumption L/100km
2.8 - 7.7 L/100km
Consumption L/100km
6.9 - 11.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
88 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
64 - 175 g/km
co2
180 - 255 g/km
Fuel tank capacity
-
Fuel tank capacity
66 - 68 L

Dimensions and Body

Body Type
SUV
Body Type
Convertible
Seats
5
Seats
4
Doors
-
Doors
2
Curb weight
1,930 - 2,140 kg
Curb weight
1,915 - 2,125 kg
Trunk capacity
460 - 570 L
Trunk capacity
350 L
Length
-
Length
4,851 - 4,867 mm
Width
1,920 mm
Width
1,902 - 1,907 mm
Height
-
Height
1,345 - 1,353 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
570 kg
Payload
340 - 425 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Diesel MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
197 - 398 HP
Power HP
333 - 625 HP
Acceleration 0-100km/h
4.6 - 7.8 s
Acceleration 0-100km/h
3.3 - 5.5 s
Max Speed
-
Max Speed
250 km/h
Torque
330 - 670 Nm
Torque
500 - 750 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
145 - 293 kW
Power kW
245 - 460 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
2,993 - 4,395 cm3

General

Model Year
2,024 - 2,025
Model Year
2024
CO2 Efficiency Class
F, E, B
CO2 Efficiency Class
G
Brand
BMW
Brand
BMW
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.