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Audi A7 vs Porsche Cayman comparison

Compare performance (630 HP vs 500 HP), boot space and price (55,000 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Audi A7 or Porsche Cayman?

Audi A7 vs Porsche Cayman: Key differences

Audi A7

  • significantly cheaper
  • noticeably more power
  • significantly more efficient
  • clearly more trunk space
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Porsche Cayman

  • slightly lighter
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By Achim Sedelmaier

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

A7

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.

Audi A7 is significantly cheaper – starting at 55,000 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 81,000 £.

Fuel consumption also shows a difference: the Audi A7 uses 1.2 L/100km and is significantly more efficient than the Porsche Cayman with 13 L/100km. The difference is about 11.8 L/100km.

Cayman

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 noticeably more power – delivering 630 HP compared to 500 HP. That’s roughly 130 HP more horsepower.

Both models accelerate almost equally fast – 3.4 s from 0 to 100 km/h.

Looking at top speed, the Porsche Cayman is somewhat faster – reaching 315 km/h, while the Audi A7 tops out at 280 km/h. The difference is around 35 km/h.

There’s also a difference in torque: the Audi A7 delivers substantially more torque with 850 Nm compared to 450 Nm. That’s about 400 Nm more.

A7

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, Porsche Cayman is slightly lighter – 1,490 kg compared to 1,770 kg. The difference is around 280 kg.

Looking at boot space, the Audi A7 offers clearly more boot space – 535 L compared to 184 L. That’s a difference of about 351 L.

For maximum load capacity, the Audi A7 offers clearly more capacity – up to 1,390 L, about 1,118 L more than the Porsche Cayman.

When it comes to payload, the Audi A7 carries substantially more – 600 kg compared to 281 kg. That’s a difference of about 319 kg.

Who wins the race in the data check?

The Audi A7 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.

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
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews Audi A7

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Porsche Cayman

The Porsche Cayman stands out as a quintessential sports car, blending sleek design with dynamic handling. Its mid-engine layout provides an excellent balance and sharp agility that driving enthusiasts crave. Inside, the Cayman offers a refined and driver-focused interior, ensuring that every journey is an exhilarating experience.

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Costs and Consumption
Price
55,000 - 117,900 £
Price
136,000 £
Consumption L/100km
1.2 - 12.2 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 - 68 km
Electric Range
-
Battery Capacity
14.4 kWh
Battery Capacity
-
co2
28 - 276 g/km
co2
295 g/km
Fuel tank capacity
52 - 73 L
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Hatchback
Body Type
Coupe
Seats
4
Seats
2
Doors
5
Doors
2
Curb weight
1,770 - 2,150 kg
Curb weight
1,490 kg
Trunk capacity
380 - 535 L
Trunk capacity
184 L
Length
4,969 - 5,009 mm
Length
4,456 mm
Width
1,908 - 1,950 mm
Width
1,822 mm
Height
1,422 - 1,424 mm
Height
1,267 mm
Max trunk capacity
1,235 - 1,390 L
Max trunk capacity
272 L
Payload
510 - 600 kg
Payload
281 kg

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

General
Model Year
2,023 - 2,024
Model Year
2021
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
G
Brand
Audi
Brand
Porsche
Is the Audi A7 offered with different drivetrains?

Available configurations include All-Wheel Drive or Front-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.