Compare performance (748 HP vs 8 HP), boot space and price (116,100 £ vs 6,800 £ ) at a glance. Find out which car is the better choice for you – BMW XM or Vauxhall Rocks Electric?
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.
Vauxhall Rocks Electric is significantly cheaper – starting at 6,800 £ , while the BMW XM costs 116,100 £ . That’s a price difference of around 109,294 £.
As for electric range, the BMW XM offers only slightly more range – reaching up to 80 km, about 5 km more than the Vauxhall Rocks Electric.
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 XM offers clearly more power – delivering 748 HP compared to 8 HP. That’s roughly 740 HP more horsepower.
There’s also a difference in torque: the BMW XM delivers significantly more torque with 1,000 Nm compared to 40 Nm. That’s about 960 Nm more.
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 XM offers more seats – 7 vs 2.
In terms of curb weight, Vauxhall Rocks Electric is substantially lighter – 558 kg compared to 2,695 kg. The difference is around 2,137 kg.
Looking at boot space, the BMW XM offers substantially more boot space – 527 L compared to 63 L. That’s a difference of about 464 L.
When it comes to payload, the BMW XM carries substantially more – 525 kg compared to 142 kg. That’s a difference of about 383 kg.
The Vauxhall Rocks Electric is far ahead 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.
The BMW XM is an unapologetically bold flagship that fuses brash, hyper-styled presence with the kind of luxury that commands attention wherever it goes. Inside it's a leather-clad showpiece loaded with modern tech and a driving personality that blends theatrical muscle with refined grand-tourer composure—ideal for buyers who want drama and comfort in equal measure.
detailsThe Opel Rocks Electric is a cheeky urban crossover that swaps petrol fuss for an electric grin, offering compact practicality and a playful character for city life. It’s easy to live with, delivers quietly eager acceleration for everyday driving, and feels like a smart, approachable choice for buyers dipping their toes into EV ownership.
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Costs and Consumption |
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Price
116,100 - 159,300 £
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Price
6,800 - 7,500 £
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Consumption L/100km
4.7 - 5.3 L/100km
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Consumption L/100km
-
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Consumption kWh/100km
-
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Consumption kWh/100km
-
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Electric Range
78 - 80 km
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Electric Range
75 km
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Battery Capacity
-
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Battery Capacity
-
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co2
105 - 119 g/km
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co2
0 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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Body Type
SUV
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Body Type
Hatchback
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Seats
7
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Seats
2
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Doors
-
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Doors
-
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Curb weight
2,695 - 2,795 kg
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Curb weight
558 kg
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Trunk capacity
527 L
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Trunk capacity
63 L
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Length
-
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Length
-
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Width
2,005 mm
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Width
1,388 mm
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Height
-
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Height
-
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Max trunk capacity
-
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Max trunk capacity
-
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Payload
505 - 525 kg
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Payload
142 kg
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Engine and Performance |
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Engine Type
Plugin Hybrid
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Engine Type
Electric
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Automatic Gearbox
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Transmission Detail
Reduction Gearbox
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Drive Type
All-Wheel Drive
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Drive Type
Front-Wheel Drive
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Power HP
476 - 748 HP
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Power HP
8 HP
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Acceleration 0-100km/h
3.8 - 5.1 s
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Acceleration 0-100km/h
-
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Max Speed
-
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Max Speed
-
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Torque
700 - 1,000 Nm
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Torque
40 Nm
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Number of Cylinders
6 - 8
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Number of Cylinders
-
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Power kW
350 - 550 kW
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Power kW
6 kW
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Engine capacity
2,998 - 4,395 cm3
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Engine capacity
-
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General |
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Model Year
2026
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Model Year
2025
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CO2 Efficiency Class
C, D
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CO2 Efficiency Class
A
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Brand
BMW
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Brand
Vauxhall
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