Compare performance (367 HP vs 625 HP), boot space and price (49,700 £ vs 77,100 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or BMW X5?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
The automotive world is continuously evolving, and when it comes to luxury vehicles, few rival the offerings from Audi and BMW. The Audi A6 Avant and the BMW X5 present two compelling options in their respective segments—one as a stylish wagon and the other as a robust SUV. This article dives into a detailed comparison of these two models, examining their technical aspects and innovations to help you choose your next luxury vehicle.
The Audi A6 Avant emphasizes sophistication and practicality with its elongated wagon body style. At 4,939 mm in length and a width of 1,886 mm, the A6 Avant offers a sleek silhouette that exudes elegance. It features a trunk capacity ranging from 405 L to 565 L, depending on the configuration, making it suitable for everyday versatility.
On the other hand, the BMW X5 represents the classic SUV design, providing a more commanding presence on the road. With a slightly shorter length of 4,935 mm and a width of 2,004 mm, the X5 is broader and offers a spacious trunk capacity of 500 L to 650 L. The increased height of 1,765 mm gives it that sought-after SUV comfort and presence.
When it comes to engine options, both the Audi A6 Avant and BMW X5 boast impressive line-ups. The A6 Avant offers a range of engines, including a Diesel MHEV, Petrol MHEV, and Plugin Hybrid variants. Power options range from 163 HP to a thrilling 600 HP, supported by efficient fuel consumption as low as 5.4 L/100km for the higher-end models.
Contrastingly, the BMW X5 offers robust performance with engine outputs ranging from 298 HP to an exhilarating 625 HP. Like the A6, it features Diesel MHEV, Petrol MHEV, and Plugin Hybrid models, with fuel consumption figures starting from 7.4 L/100km. The addition of the hybrid variant with a battery capacity of 25.7 kWh allows for an electric range of up to 97 km, showcasing BMW’s commitment to eco-friendly performance.
Acceleration times for both vehicles reflect their sporty yet luxurious nature. The A6 Avant can sprint from 0 to 100 km/h in as little as 3.4 seconds, particularly in its higher-performance configurations. Meanwhile, the X5 is no slouch either, achieving the same acceleration in as quickly as 3.9 seconds, especially when equipped with the powerful 625 HP engine.
The A6 Avant features front-wheel or all-wheel drive options, enhancing its handling dynamics, while the X5 comes equipped exclusively with BMW’s xDrive all-wheel drive system, ensuring superior traction and stability across various terrains. This makes the X5 particularly appealing for those who require off-road capability alongside luxury.
Step inside these vehicles, and you will find truly remarkable interiors. The Audi A6 Avant is synonymous with modern luxury, featuring a tech-savvy cabin equipped with intuitive MMI touch response systems. The use of high-quality materials and attention to detail creates a refined environment for all passengers.
In comparison, the BMW X5's interior merges cutting-edge technology with a focus on driver engagement. With its iDrive infotainment system, the X5 allows for seamless connectivity and navigation options, coupled with spacious legroom and comfort for up to five passengers. Add the premium sound system and luxurious finishes, and you have an SUV that doesn’t compromise on comfort or technology.
Sustainability is a crucial consideration for modern luxury vehicles. The Audi A6 Avant impresses with its plugin hybrid variants, which provide an electric range of up to 65 km on a 14.4 kWh battery, reducing the carbon footprint significantly. CO2 emissions vary but start at around 143 g/km, depending on the engine choice.
Similarly, the BMW X5, especially in its hybrid configurations, emphasizes greener driving. With a greater battery capacity of 25.7 kWh, it allows for longer electric-only drives, while CO2 emissions can drop as low as 194 g/km. The integration of MHEV technology across both models indicates a strong commitment to efficiency and sustainability in the luxury market.
In the ultimate face-off between the Audi A6 Avant and the BMW X5, choosing the right vehicle often comes down to personal preference and lifestyle needs. The A6 Avant offers luxury, performance, and versatility in a stylish package, making it ideal for those who need practical space without sacrificing sportiness.
On the other hand, the BMW X5 encapsulates the essence of an upscale SUV—providing comfort, off-road capability, and a powerful driving experience. Regardless of your choice, both vehicles uphold their brands' reputation for innovation, performance, and luxury, ensuring that drivers are pampered with every journey.
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
Audi A6 Avant is significantly cheaper – starting at 49,700 £ , while the BMW X5 costs 77,100 £ . That’s a price difference of around 27,343 £.
Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is visibly more efficient than the BMW X5 with 3 L/100km. The difference is about 0.7 L/100km.
As for electric range, the BMW X5 offers only slightly more range – reaching up to 105 km, about 4 km more than the Audi A6 Avant.
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 X5 offers clearly more power – delivering 625 HP compared to 367 HP. That’s roughly 258 HP more horsepower.
When accelerating from 0 to 100 km/h, the BMW X5 is markedly quicker – completing the sprint in 3.9 s, while the Audi A6 Avant takes 4.7 s. That’s about 0.8 s quicker.
There’s no difference in top speed – both reach 250 km/h.
There’s also a difference in torque: the BMW X5 delivers noticeably more torque with 750 Nm compared to 580 Nm. That’s about 170 Nm more.
Whether family car or daily driver – which one offers more room, flexibility and comfort?
Both vehicles offer seating for 5 people.
In terms of curb weight, Audi A6 Avant is noticeably lighter – 1,865 kg compared to 2,240 kg. The difference is around 375 kg.
Looking at boot space, the BMW X5 offers markedly more boot space – 650 L compared to 503 L. That’s a difference of about 147 L.
For maximum load capacity, the BMW X5 offers a bit more capacity – up to 1,870 L, about 336 L more than the Audi A6 Avant.
When it comes to payload, the BMW X5 carries slightly more – 705 kg compared to 570 kg. That’s a difference of about 135 kg.
The BMW X5 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.
The Audi A6 Avant wraps executive poise and usable practicality into an impeccably finished estate that makes everyday driving feel noticeably more grown-up. It serves up a calm, composed ride and clever packaging for buyers who want space and refinement without ostentation — the sensible choice that still manages to impress.
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The BMW X5 blends athletic handling with a roomy, premium interior, feeling equally at home on twisty country roads and the school-run car park. Its executive-lounge cabin and confident road presence make it a tempting choice for buyers who want comfort, capability and just a little bit of bragging rights.
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Costs and Consumption |
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Price
49,700 - 70,200 £
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Price
77,100 - 143,500 £
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Consumption L/100km
2.3 - 7.5 L/100km
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Consumption L/100km
3 - 12.8 L/100km
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Consumption kWh/100km
-
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Consumption kWh/100km
-
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Electric Range
94 - 101 km
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Electric Range
105 km
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Battery Capacity
-
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Battery Capacity
25.7 kWh
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co2
53 - 170 g/km
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co2
68 - 289 g/km
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Fuel tank capacity
56 - 60 L
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Fuel tank capacity
69 - 83 L
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Dimensions and Body |
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Body Type
Estate
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Body Type
SUV
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Seats
5
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Seats
5
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Doors
5
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Doors
5
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Curb weight
1,865 - 2,240 kg
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Curb weight
2,240 - 2,495 kg
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Trunk capacity
404 - 503 L
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Trunk capacity
500 - 650 L
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Length
4,999 mm
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Length
4,935 mm
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Width
1,875 mm
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Width
2,004 - 2,015 mm
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Height
1,472 mm
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Height
1,755 - 1,765 mm
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Max trunk capacity
1,497 - 1,534 L
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Max trunk capacity
1,720 - 1,870 L
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Payload
535 - 570 kg
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Payload
565 - 705 kg
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Engine and Performance |
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Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
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Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Dual-Clutch Automatic
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Transmission Detail
Automatic Gearbox
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Drive Type
Front-Wheel Drive, All-Wheel Drive
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Drive Type
All-Wheel Drive
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Power HP
204 - 367 HP
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Power HP
298 - 625 HP
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Acceleration 0-100km/h
4.7 - 8.3 s
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Acceleration 0-100km/h
3.9 - 6.1 s
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Max Speed
238 - 250 km/h
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Max Speed
250 km/h
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Torque
340 - 580 Nm
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Torque
540 - 750 Nm
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Number of Cylinders
4 - 6
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Number of Cylinders
6 - 8
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Power kW
150 - 270 kW
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Power kW
219 - 460 kW
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Engine capacity
1,968 - 2,995 cm3
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Engine capacity
2,993 - 4,395 cm3
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General |
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Model Year
2025
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Model Year
2025
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CO2 Efficiency Class
F, D, E, B
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CO2 Efficiency Class
G, B
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Brand
Audi
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Brand
BMW
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Deutschland
France
Nederland
Great Britain
Sverige
Danmark
Suomi
Italia
Polska
España