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BMW X4 vs Mercedes A Class comparison

Compare performance (510 HP vs 421 HP), boot space and price (51,900 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – BMW X4 or Mercedes A Class?

BMW X4 vs Mercedes A Class: Key differences

BMW X4

  • somewhat more power
  • marginally quicker 0–100 km/h
  • visibly more trunk space
details

Mercedes A Class

2.7 (1 Reviews)
rate
  • clearly cheaper
  • significantly more efficient
  • noticeably lighter
details

By Achim Sedelmaier

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

X4

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes A Class is clearly cheaper – starting at 32,600 £ , while the BMW X4 costs 51,900 £ . That’s a price difference of around 19,289 £.

Fuel consumption also shows a difference: the Mercedes A Class uses 2.3 L/100km and is significantly more efficient than the BMW X4 with 6 L/100km. The difference is about 3.7 L/100km.

A Class

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 X4 offers somewhat more power – delivering 510 HP compared to 421 HP. That’s roughly 89 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW X4 is marginally quicker – completing the sprint in 3.8 s, while the Mercedes A Class takes 3.9 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the BMW X4 delivers visibly more torque with 700 Nm compared to 500 Nm. That’s about 200 Nm more.

X4

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes A Class is noticeably lighter – 1,440 kg compared to 1,875 kg. The difference is around 435 kg.

Looking at boot space, the BMW X4 offers visibly more boot space – 525 L compared to 350 L. That’s a difference of about 175 L.

When it comes to payload, the BMW X4 carries moderately more – 545 kg compared to 485 kg. That’s a difference of about 60 kg.

Who wins the race in the data check?

The Mercedes A Class 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 £32,600
A Class

Mercedes A Class

  • Engine Type Petrol MHEV, Diesel, Plugin Hybrid, Petrol
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 421 HP
  • Consumption L/100km 2.3 - 9 L/100km
  • Electric Range 85 km
details

Frequently compared as well

Mercedes A Class
Mercedes B Class
VS
The Mercedes A‑Class is the sporty, tech‑savvy compact that thrills with sharp handling and a slick cockpit, while the Mercedes B‑Class trades a bit of attitude for towering practicality, roomier seats and a more useful boot. Choose the A‑Class if you want driving fun and style; pick the B‑Class if …
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BMW X4
Mercedes A Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW X4

The BMW X4 blends coupe-like styling with SUV practicality, giving you a striking profile that never lets you disappear into traffic. It feels planted and keen behind the wheel, and for buyers who crave personality without sacrificing everyday usability, it’s a compelling and slightly mischievous choice.

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Reviews BMW X4

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

Mercedes A Class

The Mercedes A‑Class arrives as a compact charmer that dresses premium materials and a cockpit full of screens in a tidy, city-friendly package, delivering surprising agility and poise. For buyers who want a luxury badge, clever tech and a car that's equally happy in tight streets or on a spirited country run, the A‑Class offers a grown-up feel with a cheeky streak.

details
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18C0122_04

Reviews Mercedes A Class

2.7 (1 Reviews)
rate

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

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BMW X4
Mercedes A Class

Costs and Consumption
Price
51,900 - 93,000 £
Price
32,600 - 66,500 £
Consumption L/100km
6 - 10.7 L/100km
Consumption L/100km
2.3 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
85 km
Battery Capacity
-
Battery Capacity
-
co2
156 - 244 g/km
co2
53 - 205 g/km
Fuel tank capacity
65 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,875 - 2,095 kg
Curb weight
1,440 - 1,695 kg
Trunk capacity
525 L
Trunk capacity
310 - 350 L
Length
4,751 - 4,754 mm
Length
-
Width
1,918 - 1,938 mm
Width
1,796 - 1,850 mm
Height
1,620 - 1,621 mm
Height
-
Max trunk capacity
1,430 L
Max trunk capacity
-
Payload
415 - 545 kg
Payload
450 - 485 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Diesel, Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
184 - 510 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
3.8 - 8.4 s
Acceleration 0-100km/h
3.9 - 9.7 s
Max Speed
213 - 250 km/h
Max Speed
-
Torque
300 - 700 Nm
Torque
200 - 500 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
135 - 375 kW
Power kW
85 - 310 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,023 - 2,024
Model Year
2025
CO2 Efficiency Class
F, G
CO2 Efficiency Class
D, E, B, G
Brand
BMW
Brand
Mercedes-Benz
Is the BMW X4 offered with different drivetrains?

The BMW X4 is available as 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.