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BMW Z4 vs Audi A6 Limousine comparison

Compare performance (340 HP vs 367 HP), boot space and price (43,500 £ vs 47,600 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Audi A6 Limousine?

BMW Z4 vs Audi A6 Limousine: Key differences

BMW Z4

4.4 (1 Reviews)
rate
  • only slightly cheaper
  • only slightly quicker 0–100 km/h
  • markedly lighter
details

Audi A6 Limousine

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

Z4

Costs and Efficiency:

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.

BMW Z4 is only slightly cheaper – starting at 43,500 £ , while the Audi A6 Limousine costs 47,600 £ . That’s a price difference of around 4,114 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is considerably more efficient than the BMW Z4 with 6.9 L/100km. The difference is about 4.7 L/100km.

A6 Limousine

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 Audi A6 Limousine 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 only slightly quicker – completing the sprint in 4.5 s, while the Audi A6 Limousine takes 4.7 s. That’s about 0.2 s quicker.

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

Z4

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: Audi A6 Limousine offers more seats – 5 vs 2.

In terms of curb weight, BMW Z4 is markedly lighter – 1,510 kg compared to 1,845 kg. The difference is around 335 kg.

Looking at boot space, the Audi A6 Limousine offers clearly more boot space – 492 L compared to 281 L. That’s a difference of about 211 L.

When it comes to payload, the Audi A6 Limousine carries clearly more – 625 kg compared to 235 kg. That’s a difference of about 390 kg.

Who wins the race in the data check?

The Audi A6 Limousine stands well ahead of its rival 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 £47,600
A6 Limousine

Audi A6 Limousine

  • Engine Type Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 204 - 367 HP
  • Consumption L/100km 2.2 - 7.3 L/100km
  • Electric Range 97 - 105 km
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Frequently compared as well

BMW 4 Series Convertible
BMW Z4
VS
When it comes to choosing between the BMW 4 Series Convertible and the BMW Z4, enthusiasts are presented with two distinctly appealing options. The 4 Series Convertible offers a blend of luxury and practicality, making it an ideal choice for those who seek a spacious interior without compromising …
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Audi A6 Limousine

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
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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P90479471_highRes_bmw-z4-m40i-09-2022

Reviews BMW Z4

4.4 (1 Reviews)
rate
Maingard
26 Apr 2026, 13:19:10

Responsive car, very high-performing, very agile in corners.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Audi A6 Limousine

The Audi A6 cuts a clean, purposeful silhouette with an interior that feels like a quiet, high-tech office on wheels—luxurious materials and clever gadgets make long journeys surprisingly pleasant. It balances composed, confident driving with enough flair to keep you entertained, making it a sensible choice for buyers who want executive polish without showing off.

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Reviews Audi A6 Limousine

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

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Costs and Consumption
Price
43,500 - 65,300 £
Price
47,600 - 68,100 £
Consumption L/100km
6.9 - 8.5 L/100km
Consumption L/100km
2.2 - 7.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
97 - 105 km
Battery Capacity
-
Battery Capacity
-
co2
157 - 191 g/km
co2
49 - 166 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Sedan
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,510 - 1,640 kg
Curb weight
1,845 - 2,220 kg
Trunk capacity
281 L
Trunk capacity
354 - 492 L
Length
-
Length
-
Width
1,864 mm
Width
1,875 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
215 - 235 kg
Payload
535 - 625 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol, Diesel MHEV, Petrol 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 - 8.2 s
Max Speed
-
Max Speed
-
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
2025
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.