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Audi A7 vs Mercedes GLA comparison

Compare performance (630 HP vs 421 HP), boot space and price (55,000 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – Audi A7 or Mercedes GLA?

Audi A7 vs Mercedes GLA: Key differences

Audi A7

  • noticeably more power
  • considerably more efficient
  • markedly quicker 0–100 km/h
  • somewhat more trunk space
details

Mercedes GLA

4.5 (4 Reviews)
rate
  • significantly cheaper
  • barely more electric range
  • a bit lighter
details

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

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

A7

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes GLA is significantly cheaper – starting at 38,800 £ , while the Audi A7 costs 55,000 £ . That’s a price difference of around 16,192 £.

Fuel consumption also shows a difference: the Audi A7 uses 1.2 L/100km and is considerably more efficient than the Mercedes GLA with 2.9 L/100km. The difference is about 1.7 L/100km.

As for electric range, the Mercedes GLA offers barely more range – reaching up to 74 km, about 6 km more than the Audi A7.

GLA

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 Audi A7 offers noticeably more power – delivering 630 HP compared to 421 HP. That’s roughly 209 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A7 is markedly quicker – completing the sprint in 3.4 s, while the Mercedes GLA takes 4.3 s. That’s about 0.9 s quicker.

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:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Mercedes GLA offers more seats – 5 vs 4.

In terms of curb weight, Mercedes GLA is a bit lighter – 1,570 kg compared to 1,770 kg. The difference is around 200 kg.

Looking at boot space, the Audi A7 offers somewhat more boot space – 535 L compared to 435 L. That’s a difference of about 100 L.

When it comes to payload, the Audi A7 carries slightly more – 600 kg compared to 500 kg. That’s a difference of about 100 kg.

Who wins the race in the data check?

The Audi A7 is decisively ahead 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.

Mercedes GLA

The Mercedes GLA is a compact luxury crossover that brings Mercedes-Benz's refined design and premium cabin materials into a practical, city-friendly package. It combines comfortable ride quality and intuitive tech with poised handling, making it a confident choice for everyday driving and longer journeys.

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Reviews Mercedes GLA

4.5 (4 Reviews)
rate
Lucien
1 May 2026, 07:12:24

GLA 180 petrol. Ideal for city and highway. Very smooth and quiet. The automatic gearbox is a delight. Average consumption 6.2 L/100 km. Special edition 180 Cyber Edition, leather seats....

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

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

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Mercedes GLA

Costs and Consumption
Price
55,000 - 117,900 £
Price
38,800 - 75,300 £
Consumption L/100km
1.2 - 12.2 L/100km
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 - 68 km
Electric Range
74 km
Battery Capacity
14.4 kWh
Battery Capacity
-
co2
28 - 276 g/km
co2
66 - 216 g/km
Fuel tank capacity
52 - 73 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
4
Seats
5
Doors
5
Doors
-
Curb weight
1,770 - 2,150 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
380 - 535 L
Trunk capacity
385 - 435 L
Length
4,969 - 5,009 mm
Length
-
Width
1,908 - 1,950 mm
Width
1,834 - 1,849 mm
Height
1,422 - 1,424 mm
Height
-
Max trunk capacity
1,235 - 1,390 L
Max trunk capacity
-
Payload
510 - 600 kg
Payload
480 - 500 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
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 - 421 HP
Acceleration 0-100km/h
3.4 - 8.1 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
245 - 280 km/h
Max Speed
-
Torque
370 - 850 Nm
Torque
230 - 500 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4
Power kW
150 - 463 kW
Power kW
85 - 310 kW
Engine capacity
1,968 - 3,996 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,023 - 2,024
Model Year
2025
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
E, F, B, G
Brand
Audi
Brand
Mercedes-Benz
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.