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Mercedes A Class vs SEAT Ibiza comparison

Compare performance (421 HP vs 150 HP), boot space and price (32,600 £ vs 16,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes A Class or SEAT Ibiza?

Mercedes A Class vs SEAT Ibiza: Key differences

Mercedes A Class

  • significantly more power
  • substantially more efficient
  • clearly quicker 0–100 km/h

SEAT Ibiza

  • clearly cheaper
  • clearly lighter
  • marginally more trunk space

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

A Class

Costs and Efficiency:

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

SEAT Ibiza is clearly cheaper – starting at 16,800 £ , while the Mercedes A Class costs 32,600 £ . That’s a price difference of around 15,726 £.

Fuel consumption also shows a difference: the Mercedes A Class uses 2.3 L/100km and is substantially more efficient than the SEAT Ibiza with 5 L/100km. The difference is about 2.7 L/100km.

Ibiza

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 Mercedes A Class offers significantly more power – delivering 421 HP compared to 150 HP. That’s roughly 271 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes A Class is clearly quicker – completing the sprint in 3.9 s, while the SEAT Ibiza takes 8.1 s. That’s about 4.2 s quicker.

There’s also a difference in torque: the Mercedes A Class delivers significantly more torque with 500 Nm compared to 250 Nm. That’s about 250 Nm more.

A Class

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, SEAT Ibiza is clearly lighter – 1,111 kg compared to 1,440 kg. The difference is around 329 kg.

Looking at boot space, the SEAT Ibiza offers marginally more boot space – 355 L compared to 350 L. That’s a difference of about 5 L.

When it comes to payload, the SEAT Ibiza carries very slightly more – 522 kg compared to 485 kg. That’s a difference of about 37 kg.

Who wins the race in the data check?

The Mercedes A Class 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 £32,600
A Class

Mercedes A Class

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel, 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
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Frequently compared as well

Mercedes A Class
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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 …
Mercedes A Class
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Mercedes A Class
SEAT Ibiza

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews Mercedes A Class

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SEAT Ibiza

The SEAT Ibiza is a cheeky, well-priced hatchback that blends sharp styling with a grown-up driving character, making it a smart choice for city commuters who still want a bit of fun. Inside it's practical and neatly finished, with sensible kit and easygoing manners that make everyday life less fussy — a car that doesn't try too hard but gets the job done with a smile.

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Reviews SEAT Ibiza

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

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Mercedes A Class
SEAT Ibiza

Costs and Consumption
Price
32,600 - 66,500 £
Price
16,800 - 28,800 £
Consumption L/100km
2.3 - 9 L/100km
Consumption L/100km
5 - 5.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
85 km
Electric Range
-
Battery Capacity
12.9 kWh
Battery Capacity
-
co2
53 - 205 g/km
co2
114 - 128 g/km
Fuel tank capacity
35 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,440 - 1,695 kg
Curb weight
1,111 - 1,231 kg
Trunk capacity
310 - 350 L
Trunk capacity
355 L
Length
4,428 mm
Length
-
Width
1,796 - 1,850 mm
Width
1,780 mm
Height
1,423 mm
Height
-
Max trunk capacity
1,125 L
Max trunk capacity
-
Payload
450 - 485 kg
Payload
489 - 522 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol
Engine Type
Petrol
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 421 HP
Power HP
80 - 150 HP
Acceleration 0-100km/h
3.9 - 9.7 s
Acceleration 0-100km/h
8.1 - 15.3 s
Max Speed
225 km/h
Max Speed
-
Torque
200 - 500 Nm
Torque
95 - 250 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
85 - 310 kW
Power kW
59 - 110 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
999 - 1,498 cm3

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

The Mercedes A Class is offered with Front-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.