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BMW 3 Series Saloon vs Porsche Boxster comparison

Compare performance (530 HP vs 500 HP), boot space and price (39,900 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – BMW 3 Series Saloon or Porsche Boxster?

BMW 3 Series Saloon vs Porsche Boxster: Key differences

BMW 3 Series Saloon

  • substantially cheaper
  • only slightly more power
  • substantially more efficient
  • considerably more trunk space
details

Porsche Boxster

  • marginally quicker 0–100 km/h
  • very slightly lighter
details

By Achim Sedelmaier

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

3 Series Saloon

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BMW 3 Series Saloon is substantially cheaper – starting at 39,900 £ , while the Porsche Boxster costs 136,000 £ . That’s a price difference of around 96,086 £.

Fuel consumption also shows a difference: the BMW 3 Series Saloon uses 2.4 L/100km and is substantially more efficient than the Porsche Boxster with 12.7 L/100km. The difference is about 10.3 L/100km.

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 BMW 3 Series Saloon offers only slightly more power – delivering 530 HP compared to 500 HP. That’s roughly 30 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Boxster is marginally quicker – completing the sprint in 3.4 s, while the BMW 3 Series Saloon takes 3.5 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the BMW 3 Series Saloon delivers visibly more torque with 700 Nm compared to 450 Nm. That’s about 250 Nm more.

3 Series Saloon

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: BMW 3 Series Saloon offers more seats – 5 vs 2.

In terms of curb weight, Porsche Boxster is very slightly lighter – 1,485 kg compared to 1,575 kg. The difference is around 90 kg.

Looking at boot space, the BMW 3 Series Saloon offers considerably more boot space – 480 L compared to 122 L. That’s a difference of about 358 L.

When it comes to payload, the BMW 3 Series Saloon carries significantly more – 495 kg compared to 270 kg. That’s a difference of about 225 kg.

Who wins the race in the data check?

The BMW 3 Series Saloon holds a decisive overall lead 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 £39,900
3 Series Saloon

BMW 3 Series Saloon

  • Engine Type Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
  • Transmission Automatic, Manuel
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 150 - 530 HP
  • Consumption L/100km 2.4 - 10.1 L/100km
  • Electric Range 96 - 101 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 3 Series Saloon

The BMW 3 Series saloon is a driver's car in a suit, blending poised handling with a cabin that feels more premium than its practicality suggests. It’s composed enough for daily duties yet playful enough to keep weekend drives interesting, making it a sensible choice for buyers who still want to have fun.

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Reviews BMW 3 Series Saloon

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

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 Porsche Boxster

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Costs and Consumption
Price
39,900 - 92,200 £
Price
136,000 £
Consumption L/100km
2.4 - 10.1 L/100km
Consumption L/100km
12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
96 - 101 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
54 - 227 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
-
Doors
2
Curb weight
1,575 - 1,960 kg
Curb weight
1,485 kg
Trunk capacity
375 - 480 L
Trunk capacity
122 L
Length
-
Length
4,418 mm
Width
1,827 - 1,903 mm
Width
1,822 mm
Height
-
Height
1,252 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
405 - 495 kg
Payload
270 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Manual Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
150 - 530 HP
Power HP
500 HP
Acceleration 0-100km/h
3.5 - 8.6 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
308 km/h
Torque
250 - 700 Nm
Torque
450 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6
Power kW
110 - 390 kW
Power kW
368 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
3,996 cm3

General
Model Year
2,024 - 2,025
Model Year
2023
CO2 Efficiency Class
D, E, F, G, B
CO2 Efficiency Class
G
Brand
BMW
Brand
Porsche
Is the BMW 3 Series Saloon offered with different drivetrains?

The BMW 3 Series Saloon is available as Rear-Wheel Drive or All-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.