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BMW Z4 vs Audi A7 comparison

Compare performance (340 HP vs 630 HP), boot space and price (43,500 £ vs 55,000 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Audi A7?

BMW Z4 vs Audi A7: Key differences

BMW Z4

  • markedly cheaper
  • moderately lighter

Audi A7

  • considerably more power
  • considerably more efficient
  • noticeably quicker 0–100 km/h
  • considerably 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 markedly cheaper – starting at 43,500 £ , while the Audi A7 costs 55,000 £ . That’s a price difference of around 11,571 £.

Fuel consumption also shows a difference: the Audi A7 uses 1.2 L/100km and is considerably more efficient than the BMW Z4 with 6.9 L/100km. The difference is about 5.7 L/100km.

A7

Engine and Performance:

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 Audi A7 offers considerably more power – delivering 630 HP compared to 340 HP. That’s roughly 290 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A7 is noticeably quicker – completing the sprint in 3.4 s, while the BMW Z4 takes 4.5 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Audi A7 delivers substantially more torque with 850 Nm compared to 500 Nm. That’s about 350 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 A7 offers more seats – 4 vs 2.

In terms of curb weight, BMW Z4 is moderately lighter – 1,510 kg compared to 1,770 kg. The difference is around 260 kg.

Looking at boot space, the Audi A7 offers considerably more boot space – 535 L compared to 281 L. That’s a difference of about 254 L.

When it comes to payload, the Audi A7 carries considerably more – 600 kg compared to 235 kg. That’s a difference of about 365 kg.

Who wins the race in the data check?

The Audi A7 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 £55,000
A7

Audi A7

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 204 - 630 HP
  • Consumption L/100km : 1.2 - 12.2 L/100km
  • Electric Range : 67 - 68 km
details

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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 A7

The Audi A7 wraps elegant fastback lines around a sumptuous, tech-packed cabin that turns everyday drives into something a bit more special. It strikes a polished balance between relaxed comfort and engaging poise, so you’ll enjoy long cruises and spirited backroad runs while arriving in unmistakable style.

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Audi A7

Costs and Consumption
Price
43,500 - 65,300 £
Price
55,000 - 117,900 £
Consumption L/100km
6.9 - 8.5 L/100km
Consumption L/100km
1.2 - 12.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
67 - 68 km
Battery Capacity
-
Battery Capacity
14.4 kWh
co2
157 - 191 g/km
co2
28 - 276 g/km
Fuel tank capacity
-
Fuel tank capacity
52 - 73 L

Dimensions and Body
Body Type
Roadster
Body Type
Hatchback
Seats
2
Seats
4
Doors
-
Doors
5
Curb weight
1,510 - 1,640 kg
Curb weight
1,770 - 2,150 kg
Trunk capacity
281 L
Trunk capacity
380 - 535 L
Length
-
Length
4,969 - 5,009 mm
Width
1,864 mm
Width
1,908 - 1,950 mm
Height
-
Height
1,422 - 1,424 mm
Max trunk capacity
-
Max trunk capacity
1,235 - 1,390 L
Payload
215 - 235 kg
Payload
510 - 600 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
197 - 340 HP
Power HP
204 - 630 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
3.4 - 8.1 s
Max Speed
-
Max Speed
245 - 280 km/h
Torque
320 - 500 Nm
Torque
370 - 850 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 8
Power kW
145 - 250 kW
Power kW
150 - 463 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
1,968 - 3,996 cm3

General
Model Year
2,025 - 2,026
Model Year
2,023 - 2,024
CO2 Efficiency Class
F, G
CO2 Efficiency Class
E, F, B, G
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.