@ Mercedes-Benz Group Media

@ SEAT S.A. / SEAT Media Center

Mercedes A-Class vs SEAT Arona - Differences and prices compared

Q: How much power does the Mercedes A-Class deliver on the road?

The Mercedes A-Class reaches a peak output of 320 HP, depending on the model.

Q: How much fuel does the Mercedes A-Class use?

Fuel consumption according to the manufacturer is 2.30 L.

Q: How large is the Mercedes A-Class’s battery?

The battery capacity is 12.90 kWh.

Q: What is the top speed of the Mercedes A-Class?

The Mercedes A-Class reaches up to 250 km/h.

Q: How much luggage fits in the Mercedes A-Class?

Depending on configuration, up to 350 L fit inside.

Q: What are the Mercedes A-Class’s length, width and height?

Length 4428 mm, width 1796 mm, height 1423 mm – those are the dimensions of the Mercedes A-Class.

Q: Is the SEAT Arona offered with different drivetrains?

Available configurations include Front-Wheel Drive.

Q: How powerful is the SEAT Arona's engine?

Up to 150 HP of power – depending on the configuration.

Q: What is the fuel consumption of the SEAT Arona according to the manufacturer?

Based on WLTP testing, consumption is around 5.40 L.

Compare performance (320 HP vs 150 HP), boot space and price (32300 £ vs 19300 £) at a glance. Find out which car is the better choice for you – Mercedes A-Class or SEAT Arona?

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Mercedes A-Class

SEAT Arona

4.9 (1 Reviews)

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

A-Class @ Mercedes-Benz Group Media

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.

SEAT Arona has a clearly advantage in terms of price – it starts at 19300 £, while the Mercedes A-Class costs 32300 £. That’s a price difference of around 12960 £.

Fuel consumption also shows a difference: Mercedes A-Class manages with 2.30 L and is therefore clearly more efficient than the SEAT Arona with 5.40 L. The difference is about 3.10 L per 100 km.

Arona @ SEAT S.A. / SEAT Media Center

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes A-Class has a significantly edge – offering 320 HP compared to 150 HP. That’s roughly 170 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes A-Class is decisively quicker – completing the sprint in 4.70 s, while the SEAT Arona takes 8.40 s. That’s about 3.70 s faster.

In terms of top speed, the Mercedes A-Class performs slightly better – reaching 250 km/h, while the SEAT Arona tops out at 210 km/h. The difference is around 40 km/h.

There’s also a difference in torque: Mercedes A-Class pulls convincingly stronger with 450 Nm compared to 250 Nm. That’s about 200 Nm difference.

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A-Class @ Mercedes-Benz Group Media

Space and Everyday Use:

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

Seats: offers more seating capacity – vs .

In curb weight, SEAT Arona is clearly perceptible lighter – 1188 kg compared to 1440 kg. The difference is around 252 kg.

In terms of boot space, the SEAT Arona offers somewhat more room – 400 L compared to 350 L. That’s a difference of about 50 L.

In maximum load capacity, the SEAT Arona performs slight better – up to 1280 L, which is about 90 L more than the Mercedes A-Class.

When it comes to payload, SEAT Arona minimal takes the win – 522 kg compared to 485 kg. That’s a difference of about 37 kg.

Who comes out on top?

Overall, the Mercedes A-Class shows itself to be wins the duel decisively and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £32,300

@ Mercedes-Benz Group Media

Mercedes A-Class

Price : 32300 - 55600 £
Body Type : Hatchback
Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
Transmission : Automatic
Transmission Detail : Dual-Clutch Automatic
Drive Type : Front-Wheel Drive, All-Wheel Drive
Power HP : 116 - 320 HP
Consumption L/100km : 2.3 - 8.3 L
Electric Range : 85 km
Battery Capacity : 12.90 kWh
Seats : 5
Acceleration 0-100km/h : 4.7 - 9.7 s
Model Year : 2024 - 2025
Max Speed : 202 - 250 km/h
Torque : 200 - 450 Nm
Number of Cylinders : 4
Doors : 5
Model : A-Klasse
Modell : A 250 e, A 180, A 180 d, A 200, A 220, A 250, A 200 d, A 220 d, A 35 AMG
CO2 Efficiency Class : B, D, E, G
Trim Level : 8G-DCT, Advanced 8G-DCT, AMG-Line Advanced 8G-DCT, AMG-Line Advanced Plus 8G-DCT, AMG-Line Premium 8G-DCT, AMG-Line Premium Plus 8G-DCT, Progressive Line Advanced 8G-DCT, Progressive Line Advanced Plus 8G-DCT, Progressive Line Premium 8G-DCT, 7G-DCT, Advanced 7G-DCT, Progressive Line Advanced 7G-DCT, Progressive Line Advanced Plus 7G-DCT, Progressive Line Premium 7G-DCT, Special Edition 7G-DCT, AMG-Line Advanced 7G-DCT, AMG-Line Advanced Plus 7G-DCT, AMG-Line Premium 7G-DCT, AMG-Line Premium Plus 7G-DCT, 4MATIC 8G-DCT, Advanced 4MATIC 8G-DCT, Progressive Line Advanced 4MATIC 8G-DCT, Progressive Line Advanced Plus 4MATIC 8G-DCT, Progressive Line Premium 4MATIC 8G-DCT, Special Edition 4MATIC 8G-DCT, AMG-Line Advanced 4MATIC 8G-DCT, AMG-Line Advanced Plus 4MATIC 8G-DCT, AMG-Line Premium 4MATIC 8G-DCT, AMG-Line Premium Plus 4MATIC 8G-DCT, Special Edition 8G-DCT, Advanced Plus 4MATIC SPEEDSHIFT DCT 8G, Premium 4MATIC SPEEDSHIFT DCT 8G, Premium Plus 4MATIC SPEEDSHIFT DCT 8G
Power kW : 85 - 235 kW
co2 : 53 - 188 g/km
Engine capacity : 1332 - 1991 cm3
Curb weight : 1440 - 1695 kg
Fuel tank capacity : 35 - 51 L
Trunk capacity : 310 - 350 L
Length : 4428 - 4447 mm
Width : 1796 mm
Height : 1407 - 1423 mm
Brand : Mercedes-Benz
Max trunk capacity : 1125 - 1190 L
Payload : 475 - 485 kg

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Mercedes A-Class

SEAT Arona

Costs and Consumption

View detailed analysis

Price

Consumption L/100km

co2

Fuel tank capacity

Engine and Performance

View detailed analysis

Power HP

Acceleration 0-100km/h

Max Speed

Torque

Number of Cylinders

Power kW

Engine capacity

Dimensions and Body

View detailed analysis

Seats

Curb weight

Trunk capacity

Max trunk capacity

Payload

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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SEAT Arona

4.9 (1 Reviews)

The SEAT Arona is a cheeky urban crossover that mixes sharp styling with sensible practicality, making it an appealing choice for buyers who want personality without fuss. It’s zippy in traffic, comfortable enough for daily driving, and brings enough character to make routine journeys feel a little more fun.

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Mercedes A-Class

SEAT Arona

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Costs and Consumption
Price 32300 - 55600 £	Price 19300 - 29300 £
Consumption L/100km 2.3 - 8.3 L	Consumption L/100km 5.4 - 5.6 L
Consumption kWh/100km -	Consumption kWh/100km -
Electric Range 85 km	Electric Range -
Battery Capacity 12.90 kWh	Battery Capacity -
co2 53 - 188 g/km	co2 122 - 128 g/km
Fuel tank capacity 35 - 51 L	Fuel tank capacity 40 L

Dimensions and Body
Body Type Hatchback	Body Type SUV
Seats 5	Seats 5
Doors 5	Doors 5
Curb weight 1440 - 1695 kg	Curb weight 1188 - 1268 kg
Trunk capacity 310 - 350 L	Trunk capacity 400 L
Length 4428 - 4447 mm	Length 4153 mm
Width 1796 mm	Width 1780 mm
Height 1407 - 1423 mm	Height 1537 mm
Max trunk capacity 1125 - 1190 L	Max trunk capacity 1280 L
Payload 475 - 485 kg	Payload 502 - 522 kg

Engine and Performance
Engine Type Plugin Hybrid, Petrol MHEV, Diesel	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 - 320 HP	Power HP 95 - 150 HP
Acceleration 0-100km/h 4.7 - 9.7 s	Acceleration 0-100km/h 8.4 - 11.3 s
Max Speed 202 - 250 km/h	Max Speed 182 - 210 km/h
Torque 200 - 450 Nm	Torque 175 - 250 Nm
Number of Cylinders 4	Number of Cylinders 3 - 4
Power kW 85 - 235 kW	Power kW 70 - 110 kW
Engine capacity 1332 - 1991 cm3	Engine capacity 999 - 1498 cm3