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Audi A3 Sportback vs CUPRA Formentor comparison

Compare performance (400 HP vs 390 HP), boot space and price (27,000 £ vs 35,800 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or CUPRA Formentor?

Audi A3 Sportback vs CUPRA Formentor: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • visibly cheaper
  • barely more power
  • markedly more efficient
  • moderately more electric range
  • slightly quicker 0–100 km/h
  • only slightly lighter
details

CUPRA Formentor

4.9 (2 Reviews)
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  • somewhat more trunk space
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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

A3 Sportback

Quick comparison: Audi A3 Sportback VS CUPRA Formentor

Audi A3 Sportback VS CUPRA Formentor — two compact contenders that take very different tacks: the Audi plays the polished premium card while the CUPRA leans into sporty character and visual attitude. The Audi A3 Sportback feels built around refinement and long-distance calm, with an emphasis on quietness and sorted ride manners. The CUPRA Formentor trades some of that hush for sharper steering, stronger personality and generally better value for the specs. This piece highlights how those choices show up in everyday life so you can match a car to your routine, not the brochure.

Formentor

Character and driving dynamics

The Audi A3 Sportback is the composed companion — predictable steering, a planted chassis and a focus on confidence at speed that makes motorway miles unremarkable. The CUPRA Formentor aims to excite: quicker to turn in, firmer overroll control and a more direct connection to the road that rewards an engaged driver. In town the A3’s smaller footprint and light steering make parking and stop‑start traffic less fatiguing, whereas the Formentor’s sharper setup simply makes city corners feel more precise but also more alive. If you crave agility and a sporty demeanor choose the Formentor; if you want neutral stability and cruising comfort the A3 better fits that brief.

A3 Sportback

Comfort and long-distance behavior

On long trips the Audi A3 Sportback reads as the more relaxed option thanks to its superior noise insulation and cushioned damping, which blunt wind and tyre roar more efficiently. The CUPRA Formentor compensates with excellent sports seats that hold you in place on twisty roads, but you’ll notice more motorway noise and a firmer ride on coarse surfaces. Electrified versions change the equation: the A3’s PHEV can be remarkably silent around town but at the cost of usable luggage room, while the Formentor’s hybrid setup offers quicker charging and a pragmatic balance for duty‑driver use. Your decision here should hinge on whether you prioritise serenity and long-haul refinement (A3) or active seating and engagement on mixed roads (Formentor).

Formentor

Cabin feel, ergonomics and perceived quality

The Audi A3 Sportback leans into subtle premium cues — tidy joins, restrained decor and a cockpit that feels deliberately understated rather than flashy. The CUPRA Formentor makes a bolder interior statement with sportier seats, a large screen and tactile highlights, but some lower panels and trim areas reveal a less consistently luxurious finish. Both adopt touch-focused controls, yet Audi’s interface can feel more button‑less and menu‑driven while the Formentor’s bigger display and illuminated sliders are easier to read but still require a learning curve. If you want a calm, tactilely reassuring cabin the A3 nudges ahead; if you prefer a sporty, cockpit-like environment the Formentor delivers more immediate drama.

A3 Sportback

Practicality and everyday usability

Practical differences are where choices become pragmatic: the Formentor typically offers a larger load space in its conventional versions and a higher, more usable boot opening, which suits weekend gear and taller items. The Audi A3 Sportback scores with clever daily usability — a lower loading sill, split-folding rear seats and generally more intuitive cargo shaping in non‑hybrid variants — but certain electrified A3s sacrifice underfloor space. Rear-seat comfort is comparable, though the A3’s ergonomics are more oriented toward long-distance passenger ease while the Formentor’s higher seating gives a more commanding view. For families or frequent haulers, measure the real boot and try the exact drivetrain you plan to buy; the Formentor often wins on raw volume, the A3 on loading practicality and parcel organisation.

Formentor

Buyer fit — who should pick which car?

Choose the Audi A3 Sportback if you prioritise a refined, quiet daily experience, frequent motorway miles, premium interior touches and the option of a very efficient plug‑in setup — be prepared to pay a premium for that composure. Opt for the CUPRA Formentor if you value sharper steering, stronger visual statement, broader performance choices and generally better price-to-performance packaging, accepting a firmer ride and more audible wind/tyre noise. Budget, luggage needs and whether you’ll regularly use electric mode or tow/play with higher‑powered variants will decide the trade-offs. Read on to the technical comparison for the exact drivetrain, boot and consumption differences to confirm which configuration matches your real-world needs.

Frequently compared as well

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VS
Choosing between the Cupra Formentor and the Cupra Terramar means deciding whether you want a sporting, head-turning compact crossover or a more conventional compact SUV that leans toward comfort and space. The Formentor emphasizes sharper handling, bold styling and a driver-focused feel, while the …
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VW T-Roc
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Here’s where it gets real: The technical differences in detail

A3 Sportback

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.

Audi A3 Sportback is visibly cheaper – starting at 27,000 £ , while the CUPRA Formentor costs 35,800 £ . That’s a price difference of around 8,751 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is markedly more efficient than the CUPRA Formentor with 1.4 L/100km. The difference is about 0.3 L/100km.

As for electric range, the Audi A3 Sportback offers moderately more range – reaching up to 141 km, about 15 km more than the CUPRA Formentor.

Formentor

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 Audi A3 Sportback offers barely more power – delivering 400 HP compared to 390 HP. That’s roughly 10 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Sportback is slightly quicker – completing the sprint in 3.8 s, while the CUPRA Formentor takes 4.2 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Audi A3 Sportback delivers marginally more torque with 500 Nm compared to 480 Nm. That’s about 20 Nm more.

A3 Sportback

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, Audi A3 Sportback is only slightly lighter – 1,360 kg compared to 1,434 kg. The difference is around 74 kg.

Looking at boot space, the CUPRA Formentor offers somewhat more boot space – 450 L compared to 380 L. That’s a difference of about 70 L.

When it comes to payload, the CUPRA Formentor carries only slightly more – 526 kg compared to 480 kg. That’s a difference of about 46 kg.

Who wins the race in the data check?

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.

from £27,000
A3 Sportback

Audi A3 Sportback

  • Engine Type Petrol, Petrol MHEV, Diesel, Plugin Hybrid
  • Transmission Manuel, Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 400 HP
  • Consumption L/100km 1.1 - 9.3 L/100km
  • Electric Range 134 - 141 km
details
Audi A3 Sportback
CUPRA Formentor

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A3 Sportback

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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Reviews Audi A3 Sportback

3.9 (1 Reviews)
rate

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

CUPRA Formentor

The CUPRA Formentor blends sporty driving dynamics with crossover practicality, delivering sharp handling and an engaging character that makes it fun on twisty roads as well as in daily driving. Inside, it pairs a driver-focused cabin and premium materials with clever practicality, offering a confident, distinctive alternative to conventional SUVs.

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Reviews CUPRA Formentor

4.9 (2 Reviews)
rate
Waldemar
7 Feb 2026, 09:46:20

For me, a mature man, the "civilian" version was enough — an automatic, very well-equipped, with the 150‑hp engine in Magnetic Tech.

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

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Audi A3 Sportback
CUPRA Formentor

Costs and Consumption
Price
27,000 - 92,900 £
Price
35,800 - 62,500 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
1.4 - 10.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
117 - 126 km
Battery Capacity
-
Battery Capacity
-
co2
25 - 211 g/km
co2
32 - 229 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,360 - 1,685 kg
Curb weight
1,434 - 1,742 kg
Trunk capacity
280 - 380 L
Trunk capacity
345 - 450 L
Length
-
Length
-
Width
1,816 - 1,851 mm
Width
1,839 - 1,852 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 - 480 kg
Payload
439 - 526 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Transmission
Manuel, Automatic
Transmission
Automatic, Manuel
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic, Manual Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
116 - 400 HP
Power HP
150 - 390 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
4.2 - 9 s
Max Speed
-
Max Speed
-
Torque
220 - 500 Nm
Torque
250 - 480 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4 - 5
Power kW
85 - 294 kW
Power kW
110 - 287 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
1,498 - 2,480 cm3

General
Model Year
2,025 - 2,026
Model Year
2,024 - 2,026
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
G, E, D, F, B
Brand
Audi
Brand
CUPRA
What drive types are available for the Audi A3 Sportback?

The Audi A3 Sportback is available as 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.