VS

Audi A3 Sportback vs Mercedes GLC comparison

Compare performance (400 HP vs 680 HP), boot space and price (27,000 £ vs 50,300 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or Mercedes GLC?

Audi A3 Sportback vs Mercedes GLC: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • clearly cheaper
  • clearly more efficient
  • substantially lighter
details

Mercedes GLC

4.4 (11 Reviews)
rate
  • considerably more power
  • considerably more electric range
  • very slightly quicker 0–100 km/h
  • visibly 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

A3 Sportback

Audi A3 Sportback vs. Mercedes GLC: A Clash of Luxury and Performance

When it comes to luxury vehicles, both Audi and Mercedes-Benz have long been at the forefront, offering cars that promise performance, elegance, and cutting-edge technology. Today, we delve into a detailed comparison between two of their standout models: the Audi A3 Sportback and the Mercedes GLC. We'll explore their technical specifications, innovations, and what makes each car unique in its own right.

GLC

The Audi A3 Sportback: Brimming with Innovation

The Audi A3 Sportback is a quintessential representation of Audi’s knack for combining style and performance in a compact body type. As a hatchback, it offers versatility alongside a touch of luxury. The 2024 model year brings several engine options including petrol, diesel, mild hybrid, and plug-in hybrid variants, making it highly adaptable to various driving preferences and environmental considerations. The combustion engines range from 116 HP to an impressive 400 HP, catering to both efficiency seekers and performance enthusiasts.

The Technical highlights include a top speed that varies from 205 km/h to 250 km/h, acceleration from 0-100 km/h between 3.8s and 10.1s, and a torque spectrum of 220 to 500 Nm. Moreover, the A3 Sportback prides itself on its aerodynamic design extending 4,353 mm in length and a curb weight varying between 1,360 kg to 1,685 kg depending on the engine type and configuration.

A3 Sportback

Mercedes GLC: The Epitome of Premium SUVs

Stepping into the realm of SUVs, the Mercedes GLC stands out with its larger-than-life presence and exceptional luxury. The GLC is tailored for those who demand the space and comfort associated with SUVs, without compromising on the driving dynamics that Mercedes-Benz is known for.

The 2024 model year of the GLC offers a variety of engine types such as petrol mild hybrids, diesel mild hybrids, and plug-in hybrids, with a horsepower range from 186 HP to a formidable 680 HP. The SUV's acceleration varies between 3.5s to 9s for a 0-100 km/h sprint, with a top speed that reaches 250 km/h for certain models.

With a spacious trunk capacity spanning from 390 to 620 liters, the GLC caters to families and individuals who need ample storage space. It’s also complemented by a power-packed torque of up to 1020 Nm and boasts superior engineering with dimensions measuring 4,749 mm in length and a weight spectrum spanning from 1,870 kg to 2,415 kg.

GLC

Technological Enhancements Across Models

Both the Audi A3 Sportback and the Mercedes GLC shine when it comes to incorporating modern technologies. The A3 Sportback is available with front-wheel and all-wheel drive options, promoting a remarkable driving experience. Its cockpit is designed with the latest digital interfaces, ensuring seamless connectivity and entertainment on the go.

The Mercedes GLC, on the other hand, offers standard all-wheel drive, supporting off-road ventures with its robust build. Features like the MBUX interface bring in intelligent voice control, taking in-car communication to new heights. The advanced suspension system ensures a smooth ride, even on rough terrains.

A3 Sportback

Conclusion: Which One to Choose?

The decision between the Audi A3 Sportback and the Mercedes GLC largely depends on personal preferences. For those seeking a compact, agile vehicle with cutting-edge features, the Audi A3 Sportback is a commendable choice. It is ideal for urban environments, where its size and efficiency shine.

In contrast, if size, cargo space, and SUV luxury are priorities, the Mercedes GLC stands out as a powerhouse with plenty of room for drivers and passengers to stretch out. Its array of advanced features and stately appearance make it perfect for those who often embark on long journeys or adventure drives.

Ultimately, both vehicles reflect their brands' commitment to excellence, and regardless of choice, drivers are sure to enjoy a superior driving experience.

Frequently compared as well

Mercedes GLC
Volvo EX60
VS
Unsure whether the Mercedes GLC or the Volvo EX60 is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Audi A3 Sportback
CUPRA Leon
VS
When pitting the Audi A3 Sportback against the CUPRA León, enthusiasts are treated to a compelling clash of style and performance. The A3 Sportback excels with its premium interior and advanced tech features, while the CUPRA León stands out with its sporty dynamics and aggressive design. …

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

A3 Sportback

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.

Audi A3 Sportback is clearly cheaper – starting at 27,000 £ , while the Mercedes GLC costs 50,300 £ . That’s a price difference of around 23,327 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is clearly more efficient than the Mercedes GLC with 1.6 L/100km. The difference is about 0.5 L/100km.

As for electric range, the Mercedes GLC offers considerably more range – reaching up to 714 km, about 573 km more than the Audi A3 Sportback.

GLC

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 Mercedes GLC offers considerably more power – delivering 680 HP compared to 400 HP. That’s roughly 280 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLC is very slightly quicker – completing the sprint in 3.5 s, while the Audi A3 Sportback takes 3.8 s. That’s about 0.3 s quicker.

Looking at top speed, the Audi A3 Sportback is moderately faster – reaching 237 km/h, while the Mercedes GLC tops out at 210 km/h. The difference is around 27 km/h.

There’s also a difference in torque: the Mercedes GLC delivers clearly more torque with 1,020 Nm compared to 500 Nm. That’s about 520 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 substantially lighter – 1,360 kg compared to 1,985 kg. The difference is around 625 kg.

Looking at boot space, the Mercedes GLC offers visibly more boot space – 620 L compared to 380 L. That’s a difference of about 240 L.

For maximum load capacity, the Mercedes GLC offers clearly more capacity – up to 1,740 L, about 640 L more than the Audi A3 Sportback.

When it comes to payload, the Mercedes GLC carries moderately more – 575 kg compared to 480 kg. That’s a difference of about 95 kg.

Who wins the race in the data check?

The Mercedes GLC stands well ahead of its rival 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 : Diesel MHEV, Plugin Hybrid, 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
details
Audi A3 Sportback
Mercedes GLC

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.

details
A202267_overfull
A202258_overfull
A202235_overfull
A202271_overfull
A201906_overfull
A202227_overfull

Reviews Audi A3 Sportback

3.9 (1 Reviews)
rate

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.

details
22C0270_060
22C0270_055
22C0270_051
22C0270_046
22C0270_031

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

Frequently compared as well

Mercedes GLC
Toyota RAV4
VS
In a head-to-head comparison between the Mercedes GLC and the Toyota RAV4, the luxurious GLC excels in offering a refined driving experience and premium interior materials that define its upscale appeal. Meanwhile, the RAV4 impresses with its practicality, reliability, and advanced safety features, …
Mercedes GLC
Volvo XC60
VS
When it comes to luxury compact SUVs, the Mercedes GLC and Volvo XC60 both offer a blend of performance, style, and cutting-edge technology. The Mercedes GLC stands out with its elegant interior and advanced infotainment system, perfect for those who value luxury and connectivity. Alternatively, …
Audi Q6 e-tron
Mercedes GLC
VS
Unsure whether the Audi Q6 e-tron or the Mercedes GLC is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Audi A3 Sportback
Audi Q2
VS
In the latest face-off between the Audi A3 Sportback and the Audi Q2, enthusiasts will find two distinct approaches to premium compact motoring. The A3 Sportback impresses with its sleek design and dynamic driving experience, while the Q2 offers a more adventurous, SUV-inspired stance that caters …
Mercedes GLC
XPeng G9
VS
Mercedes GLC and XPeng G9 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.
BMW X5
Mercedes GLC
VS
In the battle of luxury SUVs, the BMW X5 stands out with its potent engine options and engaging driving dynamics, catering to those who prioritize performance and handling. On the other hand, the Mercedes-Benz GLC exudes elegance and comfort, showcasing a plush interior and advanced technology that …
Mercedes GLC
Mercedes EQE SUV
VS
The Mercedes GLC and Mercedes EQE SUV compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Honda CR-V
Mercedes GLC
VS
In the competitive cross-over landscape, the Honda CR-V and Mercedes GLC both offer unique appeals to different drivers. The Honda CR-V stands out with its practicality, excellent fuel economy, and affordable pricing, making it an ideal choice for families seeking reliability without breaking the …
Audi A3 Sportback
Mercedes GLC

Costs and Consumption
Price
27,000 - 92,900 £
Price
50,300 - 111,000 £
Consumption L/100km
1.1 - 9.3 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
134 - 141 km
Electric Range
12 - 714 km
Battery Capacity
19.7 kWh
Battery Capacity
94 kWh
co2
25 - 211 g/km
co2
0 - 221 g/km
Fuel tank capacity
40 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,360 - 1,685 kg
Curb weight
1,985 - 2,535 kg
Trunk capacity
280 - 380 L
Trunk capacity
390 - 620 L
Length
4,352 - 4,353 mm
Length
4,845 mm
Width
1,816 - 1,851 mm
Width
1,890 - 1,913 mm
Height
1,441 - 1,470 mm
Height
1,644 mm
Max trunk capacity
1,100 L
Max trunk capacity
1,740 L
Payload
410 - 480 kg
Payload
475 - 575 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Diesel MHEV, Plugin Hybrid, Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 400 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
3.5 - 9 s
Max Speed
225 - 237 km/h
Max Speed
210 km/h
Torque
220 - 500 Nm
Torque
380 - 1,020 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4 - 6
Power kW
85 - 294 kW
Power kW
137 - 500 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
1,991 - 2,989 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
D, B, E, F, G, A
Brand
Audi
Brand
Mercedes-Benz
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.