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Mazda 6 Saloon vs Porsche Boxster comparison

Compare performance (258 HP vs 500 HP), boot space and price (38,500 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Mazda 6 Saloon or Porsche Boxster?

Mazda 6 Saloon vs Porsche Boxster: Key differences

Mazda 6 Saloon

  • substantially cheaper
  • clearly more trunk space
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Porsche Boxster

  • substantially more power
  • considerably quicker 0–100 km/h
  • markedly lighter
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By Achim Sedelmaier

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

6 Saloon

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.

Mazda 6 Saloon is substantially cheaper – starting at 38,500 £ , while the Porsche Boxster costs 136,000 £ . That’s a price difference of around 97,543 £.

Boxster

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 Porsche Boxster offers substantially more power – delivering 500 HP compared to 258 HP. That’s roughly 242 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Boxster is considerably quicker – completing the sprint in 3.4 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 4.2 s quicker.

Looking at top speed, the Porsche Boxster is substantially faster – reaching 308 km/h, while the Mazda 6 Saloon tops out at 175 km/h. The difference is around 133 km/h.

There’s also a difference in torque: the Porsche Boxster delivers clearly more torque with 450 Nm compared to 320 Nm. That’s about 130 Nm more.

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: Mazda 6 Saloon offers more seats – 5 vs 2.

In terms of curb weight, Porsche Boxster is markedly lighter – 1,485 kg compared to 2,027 kg. The difference is around 542 kg.

Looking at boot space, the Mazda 6 Saloon offers clearly more boot space – 336 L compared to 122 L. That’s a difference of about 214 L.

When it comes to payload, the Mazda 6 Saloon carries visibly more – 360 kg compared to 270 kg. That’s a difference of about 90 kg.

Who wins the race in the data check?

The Mazda 6 Saloon 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 £38,500
6 Saloon

Mazda 6 Saloon

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive
  • Power HP 245 - 258 HP
  • Consumption kWh/100km 16.5 - 16.6 kWh/100km
  • Electric Range 479 - 552 km
Mazda 6 Saloon
Porsche Boxster

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

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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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Mazda 6 Saloon
Porsche Boxster

Costs and Consumption

Price
38,500 - 41,600 £
Price
136,000 £
Consumption L/100km
-
Consumption L/100km
12.7 L/100km
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Consumption kWh/100km
-
Electric Range
479 - 552 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
288 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body

Body Type
Sedan
Body Type
Roadster
Seats
5
Seats
2
Doors
5
Doors
2
Curb weight
2,027 - 2,028 kg
Curb weight
1,485 kg
Trunk capacity
336 L
Trunk capacity
122 L
Length
4,921 mm
Length
4,418 mm
Width
1,890 mm
Width
1,822 mm
Height
1,491 mm
Height
1,252 mm
Max trunk capacity
1,074 L
Max trunk capacity
-
Payload
359 - 360 kg
Payload
270 kg

Engine and Performance

Engine Type
Electric
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
245 - 258 HP
Power HP
500 HP
Acceleration 0-100km/h
7.6 - 7.8 s
Acceleration 0-100km/h
3.4 s
Max Speed
175 km/h
Max Speed
308 km/h
Torque
320 Nm
Torque
450 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
180 - 190 kW
Power kW
368 kW
Engine capacity
-
Engine capacity
3,996 cm3

General

Model Year
2025
Model Year
2023
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Mazda
Brand
Porsche
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.