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Audi A8 vs Porsche Boxster comparison

Compare performance (571 HP vs 500 HP), boot space and price (91400 £ vs 136000 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Porsche Boxster?

Audi A8 vs Porsche Boxster: Key differences

Audi A8

5 (1 Reviews)
rate
  • significantly cheaper
  • to a small extent more power
  • decisively more efficient
  • convincingly more trunk space

Porsche Boxster

  • a bit quicker from 0–100 km/h
  • evident lighter

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

A8

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Audi A8 has a significantly advantage in terms of price – it starts at 91400 £ , while the Porsche Boxster costs 136000 £ . That’s a price difference of around 44657 £.

Fuel consumption also shows a difference: Audi A8 manages with 4.60 L and is therefore decisively more efficient than the Porsche Boxster with 12.70 L. The difference is about 8.10 L per 100 km.

Boxster

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 A8 has a to a small extent edge – offering 571 HP compared to 500 HP. That’s roughly 71 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche Boxster is a bit quicker – completing the sprint in 3.40 s, while the Audi A8 takes 3.80 s. That’s about 0.40 s faster.

In terms of top speed, the Porsche Boxster performs a bit better – reaching 308 km/h, while the Audi A8 tops out at 250 km/h. The difference is around 58 km/h.

There’s also a difference in torque: Audi A8 pulls convincingly stronger with 800 Nm compared to 450 Nm. That’s about 350 Nm difference.

A8

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Audi A8 offers clearly more seating capacity – 5 vs 2.

In curb weight, Porsche Boxster is evident lighter – 1485 kg compared to 2035 kg. The difference is around 550 kg.

In terms of boot space, the Audi A8 offers convincingly more room – 505 L compared to 122 L. That’s a difference of about 383 L.

When it comes to payload, Audi A8 clearly takes the win – 700 kg compared to 270 kg. That’s a difference of about 430 kg.

Who wins the race in the data check?

The Audi A8 sits 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.

Frequently compared as well

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Audi A8
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Audi A8
Porsche Boxster

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £91,400
A8

Audi A8

  • Engine Type : Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 286 - 571 HP
  • Consumption L/100km : 4.6 - 11.5 L
  • Electric Range : 58 km
details

Audi A8

5 (1 Reviews)
rate

The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.

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Porsche Boxster

The Porsche Boxster epitomizes the essence of a pure, open-top driving experience with its mid-engine roadster design. Known for its agile handling and dynamic performance, the Boxster seamlessly blends luxury with thrilling precision on the road. Its unmistakable styling and superior engineering continue to captivate automotive enthusiasts who crave a visceral connection to the art of driving.

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Reviews Audi A8

5 (1 Reviews)
rate

Reviews Porsche Boxster

Audi A8
Porsche Boxster

Costs and Consumption
Price
91400 - 134900 £
Price
136000 £
Consumption L/100km
4.6 - 11.5 L
Consumption L/100km
12.70 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
288 g/km
Fuel tank capacity
82 L
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Sedan
Body Type
Roadster
Seats
5
Seats
2
Doors
4
Doors
2
Curb weight
2035 - 2415 kg
Curb weight
1485 kg
Trunk capacity
390 - 505 L
Trunk capacity
122 L
Length
5190 - 5320 mm
Length
4418 mm
Width
1945 mm
Width
1822 mm
Height
1473 - 1488 mm
Height
1252 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
270 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
286 - 571 HP
Power HP
500 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
3.40 s
Max Speed
250 km/h
Max Speed
308 km/h
Torque
500 - 800 Nm
Torque
450 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6
Power kW
210 - 420 kW
Power kW
368 kW
Engine capacity
2967 - 3996 cm3
Engine capacity
3996 cm3

General
Model Year
2025
Model Year
2023
CO2 Efficiency Class
G, C
CO2 Efficiency Class
G
Brand
Audi
Brand
Porsche

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Is the Audi A8 offered with different drivetrains?

The Audi A8 is offered with All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.