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Audi A7 vs Audi A3 Sportback comparison

Compare performance (630 HP vs 400 HP), boot space and price (55,000 £ vs 27,000 £ ) at a glance. Find out which car is the better choice for you – Audi A7 or Audi A3 Sportback?

Audi A7 vs Audi A3 Sportback: Key differences

Audi A7

  • noticeably more power
  • slightly quicker 0–100 km/h
  • clearly more trunk space

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • significantly cheaper
  • very slightly more efficient
  • considerably more electric range
  • visibly lighter

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

A7

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 significantly cheaper – starting at 27,000 £ , while the Audi A7 costs 55,000 £ . That’s a price difference of around 28,028 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is very slightly more efficient than the Audi A7 with 1.2 L/100km. The difference is about 0.1 L/100km.

As for electric range, the Audi A3 Sportback offers considerably more range – reaching up to 141 km, about 73 km more than the Audi A7.

A3 Sportback

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 Audi A7 offers noticeably more power – delivering 630 HP compared to 400 HP. That’s roughly 230 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A7 is slightly quicker – completing the sprint in 3.4 s, while the Audi A3 Sportback takes 3.8 s. That’s about 0.4 s quicker.

Looking at top speed, the Audi A7 is a bit faster – reaching 280 km/h, while the Audi A3 Sportback tops out at 237 km/h. The difference is around 43 km/h.

There’s also a difference in torque: the Audi A7 delivers substantially more torque with 850 Nm compared to 500 Nm. That’s about 350 Nm more.

A7

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Audi A3 Sportback offers more seats – 5 vs 4.

In terms of curb weight, Audi A3 Sportback is visibly lighter – 1,360 kg compared to 1,770 kg. The difference is around 410 kg.

Looking at boot space, the Audi A7 offers clearly more boot space – 535 L compared to 380 L. That’s a difference of about 155 L.

For maximum load capacity, the Audi A7 offers noticeably more capacity – up to 1,390 L, about 290 L more than the Audi A3 Sportback.

When it comes to payload, the Audi A7 carries moderately more – 600 kg compared to 480 kg. That’s a difference of about 120 kg.

Who wins the race in the data check?

The Audi A7 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 £55,000
A7

Audi A7

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 204 - 630 HP
  • Consumption L/100km : 1.2 - 12.2 L/100km
  • Electric Range : 67 - 68 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A7

The Audi A7 wraps elegant fastback lines around a sumptuous, tech-packed cabin that turns everyday drives into something a bit more special. It strikes a polished balance between relaxed comfort and engaging poise, so you’ll enjoy long cruises and spirited backroad runs while arriving in unmistakable style.

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Reviews Audi A7

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

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.

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Audi A7
Audi A3 Sportback

Costs and Consumption
Price
55,000 - 117,900 £
Price
27,000 - 56,600 £
Consumption L/100km
1.2 - 12.2 L/100km
Consumption L/100km
1.1 - 9.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 - 68 km
Electric Range
134 - 141 km
Battery Capacity
14.4 kWh
Battery Capacity
19.7 kWh
co2
28 - 276 g/km
co2
25 - 211 g/km
Fuel tank capacity
52 - 73 L
Fuel tank capacity
40 L

Dimensions and Body
Body Type
Hatchback
Body Type
Hatchback
Seats
4
Seats
5
Doors
5
Doors
5
Curb weight
1,770 - 2,150 kg
Curb weight
1,360 - 1,685 kg
Trunk capacity
380 - 535 L
Trunk capacity
280 - 380 L
Length
4,969 - 5,009 mm
Length
4,352 - 4,353 mm
Width
1,908 - 1,950 mm
Width
1,816 - 1,851 mm
Height
1,422 - 1,424 mm
Height
1,441 - 1,470 mm
Max trunk capacity
1,235 - 1,390 L
Max trunk capacity
1,100 L
Payload
510 - 600 kg
Payload
410 - 480 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
204 - 630 HP
Power HP
116 - 400 HP
Acceleration 0-100km/h
3.4 - 8.1 s
Acceleration 0-100km/h
3.8 - 10.1 s
Max Speed
245 - 280 km/h
Max Speed
225 - 237 km/h
Torque
370 - 850 Nm
Torque
220 - 500 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4 - 5
Power kW
150 - 463 kW
Power kW
85 - 294 kW
Engine capacity
1,968 - 3,996 cm3
Engine capacity
1,498 - 2,480 cm3

General
Model Year
2,023 - 2,024
Model Year
2,025
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
D, F, E, G, B
Brand
Audi
Brand
Audi
Is the Audi A7 offered with different drivetrains?

Available configurations include All-Wheel Drive or 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.