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SEAT Ibiza vs Mercedes A Class comparison

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

SEAT Ibiza vs Mercedes A Class: Key differences

SEAT Ibiza

  • considerably cheaper
  • clearly lighter
  • very slightly more trunk space

Mercedes A Class

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

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

Ibiza

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

SEAT Ibiza is considerably 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 significantly more efficient than the SEAT Ibiza with 5 L/100km. The difference is about 2.7 L/100km.

A Class

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes A Class offers substantially 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 considerably 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.

Ibiza

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, 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 very slightly 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 marginally 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 is clearly superior 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 £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
details

Frequently compared as well

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SEAT Ibiza
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

details
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SEAT-Ibiza-FR_05_HQ
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SEAT-Ibiza-FR_12_HQ

Reviews SEAT Ibiza

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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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Reviews Mercedes A Class

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SEAT Ibiza
Mercedes A Class

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

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

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

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

The SEAT Ibiza is available as Front-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.