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Audi A7 vs Mercedes GLC comparison

Compare performance (630 HP vs 680 HP), boot space and price (55,000 £ vs 50,300 £ ) at a glance. Find out which car is the better choice for you – Audi A7 or Mercedes GLC?

Audi A7 vs Mercedes GLC: Key differences

Audi A7

  • visibly more efficient
  • barely quicker 0–100 km/h
  • very slightly lighter

Mercedes GLC

4.4 (11 Reviews)
rate
  • very slightly cheaper
  • only slightly more power
  • significantly more electric range
  • moderately more trunk space

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:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes GLC is very slightly cheaper – starting at 50,300 £ , while the Audi A7 costs 55,000 £ . That’s a price difference of around 4,701 £.

Fuel consumption also shows a difference: the Audi A7 uses 1.2 L/100km and is visibly more efficient than the Mercedes GLC with 1.6 L/100km. The difference is about 0.4 L/100km.

As for electric range, the Mercedes GLC offers significantly more range – reaching up to 714 km, about 646 km more than the Audi A7.

GLC

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 Mercedes GLC offers only slightly more power – delivering 680 HP compared to 630 HP. That’s roughly 50 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A7 is barely quicker – completing the sprint in 3.4 s, while the Mercedes GLC takes 3.5 s. That’s about 0.1 s quicker.

Looking at top speed, the Audi A7 is very slightly faster – reaching 280 km/h, while the Mercedes GLC tops out at 275 km/h. The difference is around 5 km/h.

There’s also a difference in torque: the Mercedes GLC delivers slightly more torque with 1,020 Nm compared to 850 Nm. That’s about 170 Nm more.

A7

Space and Everyday Use:

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

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

In terms of curb weight, Audi A7 is very slightly lighter – 1,770 kg compared to 1,910 kg. The difference is around 140 kg.

Looking at boot space, the Mercedes GLC offers moderately more boot space – 620 L compared to 535 L. That’s a difference of about 85 L.

For maximum load capacity, the Mercedes GLC offers clearly more capacity – up to 1,740 L, about 350 L more than the Audi A7.

Maximum payload is identical – both can carry up to 600 kg.

Who wins the race in the data check?

The Mercedes GLC 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 £50,300
GLC

Mercedes GLC

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 186 - 680 HP
  • Consumption L/100km : 1.6 - 9.7 L/100km
  • Consumption kWh/100km : 14.9 - 16.6 kWh/100km
  • Electric Range : 12 - 714 km
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Audi A7
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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 GLC

The Mercedes GLC blends plush cabin comfort and composed road manners into an SUV that feels more grown-up than it looks. It won’t shout for attention, but will quietly please buyers who want refinement, usable space and a touch of luxury without the drama.

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Reviews Mercedes GLC

4.4 (11 Reviews)
rate
Marek
2 Jan 2026, 18:32:30

There’s something about a Mercedes — you have to take it for a spin to feel it and understand why it’s special.

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

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Audi A7
Mercedes GLC

Costs and Consumption
Price
55,000 - 117,900 £
Price
50,300 - 126,600 £
Consumption L/100km
1.2 - 12.2 L/100km
Consumption L/100km
1.6 - 9.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
14.9 - 16.6 kWh/100km
Electric Range
67 - 68 km
Electric Range
12 - 714 km
Battery Capacity
14.4 kWh
Battery Capacity
94 kWh
co2
28 - 276 g/km
co2
0 - 221 g/km
Fuel tank capacity
52 - 73 L
Fuel tank capacity
62 - 65 L

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
4
Seats
5
Doors
5
Doors
5
Curb weight
1,770 - 2,150 kg
Curb weight
1,910 - 2,535 kg
Trunk capacity
380 - 535 L
Trunk capacity
390 - 620 L
Length
4,969 - 5,009 mm
Length
4,716 - 4,845 mm
Width
1,908 - 1,950 mm
Width
1,890 - 1,913 mm
Height
1,422 - 1,424 mm
Height
1,603 - 1,644 mm
Max trunk capacity
1,235 - 1,390 L
Max trunk capacity
1,490 - 1,740 L
Payload
510 - 600 kg
Payload
475 - 600 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
204 - 630 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
3.4 - 8.1 s
Acceleration 0-100km/h
3.5 - 9 s
Max Speed
245 - 280 km/h
Max Speed
210 - 275 km/h
Torque
370 - 850 Nm
Torque
320 - 1,020 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4 - 6
Power kW
150 - 463 kW
Power kW
137 - 500 kW
Engine capacity
1,968 - 3,996 cm3
Engine capacity
1,991 - 2,989 cm3

General
Model Year
2,023 - 2,024
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
F, G, D, B, E, A
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.