Compare performance (150 HP vs 400 HP), boot space and price (25,100 £ vs 27,000 £ ) at a glance. Find out which car is the better choice for you – SEAT Ateca or Audi A3 Sportback?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
In the crowded world of compact cars, the Audi A3 Sportback and the SEAT Ateca stand out for their unique blend of performance, design, and innovation. While the A3 Sportback commands attention with its luxurious hatchback design, the SEAT Ateca offers a sturdy SUV appeal. Let's delve into what makes each of these vehicles a fascinating choice for potential buyers.
The Audi A3 Sportback offers a versatile range of engine options, including petrol, diesel, and even a plug-in hybrid. Its power output ranges from a modest 116 HP to a robust 400 HP, catering to a wide spectrum of driving preferences. With an impressive acceleration time of 3.8 seconds from 0-100 km/h in its top variant, it blends sportiness with efficiency.
In comparison, the SEAT Ateca, with its maximum power of 150 HP and acceleration from 0-100 km/h in 9 seconds, prioritizes steady power delivery. While it may not reach the sheer speed of the Sportback, its 4-cylinder engine ensures a balanced drive suited for both city cruising and highway travels.
The A3 Sportback leads in fuel efficiency, especially with its plug-in hybrid variant featuring an electric range of up to 143 km and a consumption as low as 0.3 L/100km. This makes it a strong contender for those looking to cut fuel costs and minimize carbon footprints. Its CO2 emissions also range significantly less than Ateca's, offering a maximum of 211 g/km.
On the other hand, the SEAT Ateca holds its ground with a respectable consumption range at a minimum of 4.9 L/100km. With an efficiency class of D and E, the Ateca provides a sustainable option that manages to keep fuel consumption efficient for an SUV of its size.
The Audi A3 Sportback is built with compact efficiency in mind, measuring 4353 mm in length with a trunk capacity up to 380 liters. While not as capacious as the Ateca, it offers premium appeal in a tight package, perfect for urban environments.
The SEAT Ateca, however, can boast superior practicality with a trunk capacity of 510 liters, ideal for those family road trips or weekend adventures. At 4381 mm long and 1601 mm high, it exudes presence, providing ample room for passengers and cargo alike.
Both models offer manual and dual-clutch automatic transmissions, catering to different driver preferences. However, the A3 Sportback goes one step further with an all-wheel-drive option, providing an edge in terms of handling and control, particularly in less ideal road conditions.
The choice between the Audi A3 Sportback and the SEAT Ateca hinges on what the buyer values most. For those drawn to luxury, performance, and cutting-edge automotive technology, the A3 Sportback offers a thrilling ride with enviable efficiency. Meanwhile, the Ateca presents an appealing alternative for practical-minded drivers seeking an SUV with significant carrying capacity and a comfortable ride.
Both models stand as testament to the ingenuity and craftsmanship within the Volkswagen Group, showcasing varied strengths but united in offering exceptional value to their drivers.
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
SEAT Ateca is barely cheaper – starting at 25,100 £ , while the Audi A3 Sportback costs 27,000 £ . That’s a price difference of around 1,895 £.
Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is substantially more efficient than the SEAT Ateca with 4.9 L/100km. The difference is about 3.8 L/100km.
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 Audi A3 Sportback offers clearly more power – delivering 400 HP compared to 150 HP. That’s roughly 250 HP more horsepower.
When accelerating from 0 to 100 km/h, the Audi A3 Sportback is considerably quicker – completing the sprint in 3.8 s, while the SEAT Ateca takes 9 s. That’s about 5.2 s quicker.
There’s also a difference in torque: the Audi A3 Sportback delivers clearly more torque with 500 Nm compared to 360 Nm. That’s about 140 Nm more.
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 Ateca is marginally lighter – 1,345 kg compared to 1,360 kg. The difference is around 15 kg.
Looking at boot space, the SEAT Ateca offers visibly more boot space – 510 L compared to 380 L. That’s a difference of about 130 L.
When it comes to payload, the SEAT Ateca carries very slightly more – 525 kg compared to 480 kg. That’s a difference of about 45 kg.
The Audi A3 Sportback 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.
The SEAT Ateca blends sharp, purposeful styling with practical space that turns everyday errands into something a bit more enjoyable. It’s poised and engaging to drive for its segment, offers solid value, and has just enough personality to make you smile on the school run.
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The Audi A3 Sportback wraps premium materials and crisp German design into a practical hatchback package that makes daily driving feel smart rather than showy. It’s nimble in the city, composed on longer trips, and carries just enough swagger to satisfy buyers who want quality without shouting about it.
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Costs and Consumption |
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Price
25,100 - 36,900 £
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Price
27,000 - 92,900 £
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Consumption L/100km
4.9 - 6.4 L/100km
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Consumption L/100km
1.1 - 9.3 L/100km
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Consumption kWh/100km
-
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Consumption kWh/100km
-
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Electric Range
-
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Electric Range
134 - 141 km
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Battery Capacity
-
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Battery Capacity
-
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co2
129 - 144 g/km
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co2
25 - 211 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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|---|---|
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Body Type
SUV
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Body Type
Hatchback
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Seats
5
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Seats
5
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Doors
-
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Doors
-
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Curb weight
1,345 - 1,514 kg
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Curb weight
1,360 - 1,685 kg
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Trunk capacity
510 L
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Trunk capacity
280 - 380 L
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Length
-
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Length
-
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Width
1,841 mm
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Width
1,816 - 1,851 mm
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Height
-
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Height
-
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Max trunk capacity
-
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Max trunk capacity
-
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Payload
516 - 525 kg
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Payload
410 - 480 kg
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Engine and Performance |
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|---|---|
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Engine Type
Petrol, Diesel
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Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
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Transmission
Manuel, Automatic
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Transmission
Manuel, Automatic
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Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
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Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
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Drive Type
Front-Wheel Drive
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Drive Type
Front-Wheel Drive, All-Wheel Drive
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Power HP
116 - 150 HP
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Power HP
116 - 400 HP
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Acceleration 0-100km/h
9 - 11 s
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Acceleration 0-100km/h
3.8 - 10.1 s
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Max Speed
-
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Max Speed
-
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Torque
200 - 360 Nm
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Torque
220 - 500 Nm
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Number of Cylinders
3 - 4
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Number of Cylinders
4 - 5
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Power kW
85 - 110 kW
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Power kW
85 - 294 kW
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Engine capacity
999 - 1,968 cm3
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Engine capacity
1,498 - 2,480 cm3
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General |
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|---|---|
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Model Year
2025
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Model Year
2,025 - 2,026
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CO2 Efficiency Class
E, D
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CO2 Efficiency Class
D, F, E, G, B
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Brand
SEAT
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Brand
Audi
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Deutschland
France
Nederland
Great Britain
Sverige
Danmark
Suomi
Italia
Polska
Česko
España