VS

Audi A7 vs Mercedes GLB comparison

Compare performance (630 HP vs 354 HP), boot space and price (55,000 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Audi A7 or Mercedes GLB?

Audi A7 vs Mercedes GLB: Key differences

Audi A7

  • substantially more power
  • substantially more efficient
  • clearly quicker 0–100 km/h
  • barely lighter
details

Mercedes GLB

3.6 (4 Reviews)
rate
  • noticeably cheaper
  • substantially more electric range
  • barely more trunk space
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:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes GLB is noticeably cheaper – starting at 43,200 £ , while the Audi A7 costs 55,000 £ . That’s a price difference of around 11,831 £.

Fuel consumption also shows a difference: the Audi A7 uses 1.2 L/100km and is substantially more efficient than the Mercedes GLB with 5.7 L/100km. The difference is about 4.5 L/100km.

As for electric range, the Mercedes GLB offers substantially more range – reaching up to 631 km, about 563 km more than the Audi A7.

GLB

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 substantially more power – delivering 630 HP compared to 354 HP. That’s roughly 276 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A7 is clearly quicker – completing the sprint in 3.4 s, while the Mercedes GLB takes 5.5 s. That’s about 2.1 s quicker.

There’s also a difference in torque: the Audi A7 delivers clearly more torque with 850 Nm compared to 515 Nm. That’s about 335 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 GLB offers more seats – 5 vs 4.

In terms of curb weight, Audi A7 is barely lighter – 1,770 kg compared to 1,840 kg. The difference is around 70 kg.

Looking at boot space, the Mercedes GLB offers barely more boot space – 540 L compared to 535 L. That’s a difference of about 5 L.

When it comes to payload, the Audi A7 carries a bit more – 600 kg compared to 505 kg. That’s a difference of about 95 kg.

Who wins the race in the data check?

The Audi A7 is clearly superior 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

Frequently compared as well

BMW iX3
Mercedes GLB
VS
The BMW iX3 and Mercedes GLB go head-to-head as two very different takes on the premium compact SUV: the iX3 is BMW’s electric, efficiency-focused offering while the GLB is Mercedes’ practical, multi‑seat family SUV. This comparison will help you weigh the iX3’s EV range, refinement and tech …
Mercedes EQB
Mercedes GLB
VS
The Mercedes EQB and Mercedes GLB target the same compact‑SUV buyers but take very different routes: the EQB is the all‑electric choice while the GLB relies on conventional petrol/diesel and mild‑hybrid engines. This quick comparison looks at driving character, interior practicality, range and …
Audi A7
Mercedes GLB

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.

details
A181361_overfull
A181377_overfull
A1713442_overfull
A181394_overfull
A1713445_overfull

Reviews Audi A7

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

Mercedes GLB

The Mercedes GLB is a compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.

details
19C0853_001
19C0853_003
19C0853_015
19C0853_069
19C0797_007

Reviews Mercedes GLB

3.6 (4 Reviews)
rate
Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

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

Frequently compared as well

Mercedes CLA Shooting Brake
Mercedes GLB
VS
The Mercedes CLA Shooting Brake and the Mercedes GLB take two very different approaches to compact premium motoring: the CLA Shooting Brake pairs coupe-like styling with an estate’s practicality, while the GLB is a boxy, family-focused compact SUV that emphasizes space and versatility. If you …
Mercedes GLB
Volvo EX60
VS
Line up the pragmatic, boxy Mercedes GLB — a family-friendly compact SUV that prides itself on space and sensible engineering — against the sleek, tech-forward Volvo EX60 with its unmistakable Scandinavian design and safety-first instincts. It’s a clash of personalities: German practicality and …
Mercedes GLB
smart #5
VS
The Mercedes GLB is a sensible, slightly boxy premium compact SUV that delivers real-world space, family practicality and a composed long-distance ride, while the smart #5 is a punchy electric crossover that trades rear-seat room for sharp styling, low running costs and urban agility. If you …
Mercedes GLB
Peugeot 5008
VS
The Mercedes GLB and the Peugeot 5008 are compact SUVs aimed at buyers who need space and practicality, but they take very different approaches — the GLB leans toward a premium, tech‑focused experience while the 5008 emphasizes family‑friendly seating and value. If you want an upmarket cabin and …
Mercedes GLB
Skoda Kodiaq
VS
The Mercedes GLB dresses up compact practicality in a premium suit, with crisp tech and city-friendly manners, while the Skoda Kodiaq goes full-on family hauler, offering cavernous space and sensible value. Choose the GLB for style and badge appeal; pick the Kodiaq if you need seats, luggage and a …
Mercedes GLB
Tesla Model Y
VS
The Mercedes GLB and Tesla Model Y both aim at compact-SUV buyers but take very different approaches: the GLB focuses on practical space, traditional refinement and optional third-row seating, while the Model Y offers an all-electric drivetrain, strong range and Tesla’s tech-focused experience. …
Mercedes GLB
Volvo EX40
VS
Comparing the Mercedes GLB and the Volvo EX40 pairs the boxy, family-friendly GLB — a compact luxury SUV that can even offer an optional third row — against the EX40, Volvo’s compact all-electric crossover focused on efficiency, safety and modern tech. Pick the GLB if you need versatile interior …
Mercedes GLB
Kia EV5
VS
Mercedes GLB and Kia EV5 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Audi A7
Mercedes GLB

Costs and Consumption
Price
55,000 - 117,900 £
Price
43,200 - 62,400 £
Consumption L/100km
1.2 - 12.2 L/100km
Consumption L/100km
5.7 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Electric Range
67 - 68 km
Electric Range
431 - 631 km
Battery Capacity
14.4 kWh
Battery Capacity
-
co2
28 - 276 g/km
co2
0 - 138 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
1,840 - 2,280 kg
Trunk capacity
380 - 535 L
Trunk capacity
540 L
Length
4,969 - 5,009 mm
Length
-
Width
1,908 - 1,950 mm
Width
1,861 mm
Height
1,422 - 1,424 mm
Height
-
Max trunk capacity
1,235 - 1,390 L
Max trunk capacity
-
Payload
510 - 600 kg
Payload
485 - 505 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Electric, Full Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 630 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
3.4 - 8.1 s
Acceleration 0-100km/h
5.5 - 9.7 s
Max Speed
245 - 280 km/h
Max Speed
-
Torque
370 - 850 Nm
Torque
280 - 515 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4
Power kW
150 - 463 kW
Power kW
115 - 260 kW
Engine capacity
1,968 - 3,996 cm3
Engine capacity
1,499 cm3

General
Model Year
2,023 - 2,024
Model Year
2026
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
A, D, E
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.