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BMW Z4 vs Audi A6 Avant comparison

Compare performance (340 HP vs 367 HP), boot space and price (43,500 £ vs 49,700 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Audi A6 Avant?

BMW Z4 vs Audi A6 Avant: Key differences

BMW Z4

  • slightly cheaper
  • very slightly quicker 0–100 km/h
  • clearly lighter

Audi A6 Avant

  • very slightly more power
  • clearly more efficient
  • clearly more trunk space

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

Z4

Costs and Efficiency:

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

BMW Z4 is slightly cheaper – starting at 43,500 £ , while the Audi A6 Avant costs 49,700 £ . That’s a price difference of around 6,257 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is clearly more efficient than the BMW Z4 with 6.9 L/100km. The difference is about 4.6 L/100km.

A6 Avant

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Audi A6 Avant offers very slightly more power – delivering 367 HP compared to 340 HP. That’s roughly 27 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW Z4 is very slightly quicker – completing the sprint in 4.5 s, while the Audi A6 Avant takes 4.7 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Audi A6 Avant delivers slightly more torque with 580 Nm compared to 500 Nm. That’s about 80 Nm more.

Z4

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Audi A6 Avant offers more seats – 5 vs 2.

In terms of curb weight, BMW Z4 is clearly lighter – 1,510 kg compared to 1,865 kg. The difference is around 355 kg.

Looking at boot space, the Audi A6 Avant offers clearly more boot space – 503 L compared to 281 L. That’s a difference of about 222 L.

When it comes to payload, the Audi A6 Avant carries considerably more – 570 kg compared to 235 kg. That’s a difference of about 335 kg.

Who wins the race in the data check?

The Audi A6 Avant 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 £49,700
A6 Avant

Audi A6 Avant

  • Engine Type : Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 204 - 367 HP
  • Consumption L/100km : 2.3 - 7.5 L/100km
  • Electric Range : 94 - 101 km
details

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View detailed analysis

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View detailed analysis

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View detailed analysis

BMW Z4

The BMW Z4 is a taut, road-hugging roadster that pairs elegant, low-slung styling with a roof you can drop on a sunny whim, delivering that pure, wind-in-your-hair driving thrill few cars manage to match. It’s an ideal weekend companion for drivers who prefer engagement over practicality — bring good shoes rather than a lot of luggage, and you’ll get a grin every time you turn the wheel.

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Audi A6 Avant

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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Costs and Consumption
Price
43,500 - 65,300 £
Price
49,700 - 70,200 £
Consumption L/100km
6.9 - 8.5 L/100km
Consumption L/100km
2.3 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
94 - 101 km
Battery Capacity
-
Battery Capacity
-
co2
157 - 191 g/km
co2
53 - 170 g/km
Fuel tank capacity
-
Fuel tank capacity
56 - 60 L

Dimensions and Body
Body Type
Roadster
Body Type
Estate
Seats
2
Seats
5
Doors
-
Doors
5
Curb weight
1,510 - 1,640 kg
Curb weight
1,865 - 2,240 kg
Trunk capacity
281 L
Trunk capacity
404 - 503 L
Length
-
Length
4,999 mm
Width
1,864 mm
Width
1,875 mm
Height
-
Height
1,472 mm
Max trunk capacity
-
Max trunk capacity
1,497 - 1,534 L
Payload
215 - 235 kg
Payload
535 - 570 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
197 - 340 HP
Power HP
204 - 367 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
4.7 - 8.3 s
Max Speed
-
Max Speed
238 - 250 km/h
Torque
320 - 500 Nm
Torque
340 - 580 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
145 - 250 kW
Power kW
150 - 270 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025
CO2 Efficiency Class
F, G
CO2 Efficiency Class
F, D, E, B
Brand
BMW
Brand
Audi
Is the BMW Z4 offered with different drivetrains?

The BMW Z4 is available as 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.