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BMW i4 vs Mercedes A Class comparison

Compare performance (601 HP vs 421 HP), boot space and price (49,400 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – BMW i4 or Mercedes A Class?

BMW i4 vs Mercedes A Class: Key differences

BMW i4

5 (3 Reviews)
rate
  • visibly more power
  • considerably more electric range
  • very slightly quicker 0–100 km/h
  • markedly more trunk space
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Mercedes A Class

2.7 (1 Reviews)
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  • clearly cheaper
  • considerably lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

i4

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.

Mercedes A Class is clearly cheaper – starting at 32,600 £ , while the BMW i4 costs 49,400 £ . That’s a price difference of around 16,803 £.

As for electric range, the BMW i4 offers considerably more range – reaching up to 613 km, about 528 km more than the Mercedes A Class.

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 i4 offers visibly more power – delivering 601 HP compared to 421 HP. That’s roughly 180 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW i4 is very slightly quicker – completing the sprint in 3.7 s, while the Mercedes A Class takes 3.9 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the BMW i4 delivers noticeably more torque with 795 Nm compared to 500 Nm. That’s about 295 Nm more.

i4

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 considerably lighter – 1,440 kg compared to 2,070 kg. The difference is around 630 kg.

Looking at boot space, the BMW i4 offers markedly more boot space – 470 L compared to 350 L. That’s a difference of about 120 L.

When it comes to payload, the Mercedes A Class carries only slightly more – 485 kg compared to 480 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The BMW i4 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 £49,400
i4

BMW i4

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 286 - 601 HP
  • Consumption kWh/100km : 14.7 - 16.7 kWh/100km
  • Electric Range : 514 - 613 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 …
BMW i4
BYD Seal
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The BMW i4 feels like a familiar, impeccably tuned sports saloon — razor-sharp steering, plush interior and that badge-backed refinement for drivers who crave engagement over bargains. The BYD Seal, meanwhile, is the plucky tech-packed challenger: startling range and kit for the money, bold design …
BMW i4
Mercedes A Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW i4

The BMW i4 arrives with the poise of a classic Gran Coupé, marrying BMW's playful handling with a sleek, modern interior that makes switching to electric feel like an upgrade rather than a compromise. For buyers who want a practical daily driver that still enjoys a spirited back-road run, the i4 quietly delivers smiles and a surprising dose of driver engagement.

details
P90439358_highRes_bmw-i4-m50-9-2021
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P90439369_highRes_bmw-i4-m50-9-2021
P90422904_highRes_bmw-i4-interieur-6-2

Reviews BMW i4

5 (3 Reviews)
rate
Marco
23 Apr 2026, 14:56:19

Amazing car with enormous torque, equipment and driving experience, at an acceptable fuel consumption.

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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.

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18C0292_010
18C0292_042
18C0291_067
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 i4
Mercedes A Class

Costs and Consumption
Price
49,400 - 62,500 £
Price
32,600 - 66,500 £
Consumption L/100km
-
Consumption L/100km
2.3 - 9 L/100km
Consumption kWh/100km
14.7 - 16.7 kWh/100km
Consumption kWh/100km
-
Electric Range
514 - 613 km
Electric Range
85 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
53 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,070 - 2,285 kg
Curb weight
1,440 - 1,695 kg
Trunk capacity
470 L
Trunk capacity
310 - 350 L
Length
-
Length
-
Width
1,852 mm
Width
1,796 - 1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
445 - 480 kg
Payload
450 - 485 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel, Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
286 - 601 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
3.7 - 6 s
Acceleration 0-100km/h
3.9 - 9.7 s
Max Speed
-
Max Speed
-
Torque
400 - 795 Nm
Torque
200 - 500 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
210 - 442 kW
Power kW
85 - 310 kW
Engine capacity
-
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
D, E, B, G
Brand
BMW
Brand
Mercedes-Benz
Is the BMW i4 offered with different drivetrains?

The BMW i4 is offered with 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.