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BMW 8 Series Convertible vs Alfa Romeo Stelvio comparison

Compare performance (625 HP vs 520 HP), boot space and price (99,400 £ vs 51,900 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Alfa Romeo Stelvio?

BMW 8 Series Convertible vs Alfa Romeo Stelvio: Key differences

BMW 8 Series Convertible

  • a bit more power
  • a bit quicker 0–100 km/h
details

Alfa Romeo Stelvio

5 (2 Reviews)
rate
  • clearly cheaper
  • a bit more efficient
  • very slightly lighter
  • 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

8 Series Convertible

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Alfa Romeo Stelvio is clearly cheaper – starting at 51,900 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 47,486 £.

Fuel consumption also shows a difference: the Alfa Romeo Stelvio uses 6 L/100km and is a bit more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 0.9 L/100km.

Stelvio

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 8 Series Convertible offers a bit more power – delivering 625 HP compared to 520 HP. That’s roughly 105 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is a bit quicker – completing the sprint in 3.3 s, while the Alfa Romeo Stelvio takes 3.8 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers a bit more torque with 750 Nm compared to 600 Nm. That’s about 150 Nm more.

8 Series Convertible

Space and Everyday Use:

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

Seats: Alfa Romeo Stelvio offers more seats – 5 vs 4.

In terms of curb weight, Alfa Romeo Stelvio is very slightly lighter – 1,820 kg compared to 1,915 kg. The difference is around 95 kg.

Looking at boot space, the Alfa Romeo Stelvio offers clearly more boot space – 525 L compared to 350 L. That’s a difference of about 175 L.

When it comes to payload, the Alfa Romeo Stelvio carries markedly more – 590 kg compared to 425 kg. That’s a difference of about 165 kg.

Who wins the race in the data check?

The Alfa Romeo Stelvio 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 £51,900
Stelvio

Alfa Romeo Stelvio

  • Engine Type : Diesel, Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 210 - 520 HP
  • Consumption L/100km : 6 - 11.8 L/100km
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Alfa Romeo Stelvio

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews BMW 8 Series Convertible

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

Alfa Romeo Stelvio

The Alfa Romeo Stelvio combines Italian artistry with sporty performance, making it a standout in the SUV market. Its dynamic design captures the essence of elegance and agility, while the interior offers a driver-focused experience that enhances every journey. With a perfect blend of luxury and power, the Stelvio is ideal for those seeking both style and substance on the road.

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Reviews Alfa Romeo Stelvio

5 (2 Reviews)
rate
Boiangiu Viorel
24 Apr 2026, 05:21:21

În primul rând, designul mașinii!!!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Driving Fun / Performance
Practicality / Trunk & Everyday Use
Value for Money

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BMW 8 Series Convertible
Alfa Romeo Stelvio

Costs and Consumption
Price
99,400 - 165,800 £
Price
51,900 - 93,300 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
6 - 11.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
180 - 255 g/km
co2
157 - 267 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
2
Doors
-
Curb weight
1,915 - 2,125 kg
Curb weight
1,820 - 1,925 kg
Trunk capacity
350 L
Trunk capacity
525 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,903 - 1,955 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
535 - 590 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
333 - 625 HP
Power HP
210 - 520 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
3.8 - 6.6 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
470 - 600 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
245 - 460 kW
Power kW
154 - 382 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
2,143 - 2,891 cm3

General
Model Year
2024
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
F, G
Brand
BMW
Brand
Alfa Romeo
What drivetrain options does the BMW 8 Series Convertible have?

Available configurations include All-Wheel Drive or Rear-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.