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Audi A6 Limousine VS Mercedes GLC – Specs, Efficiency & Price Comparison

Which model is the better choice – the Audi A6 Limousine or the Mercedes GLC? We compare performance (367 HP vs 680 HP), boot capacity (492 L vs 620 L), efficiency (2.20 L vs 0.40 L), and of course, the price (47600 £ vs 50100 £).
Find out now which car fits your needs better!

The Audi A6 Limousine (Sedan) is powered by a Petrol, Diesel MHEV, Petrol MHEV or Plugin Hybrid engine and comes with a Automatic transmission. In comparison, the Mercedes GLC (SUV) features a Diesel MHEV, Plugin Hybrid or Petrol MHEV engine and a Automatic gearbox.

When it comes to boot capacity, the Audi A6 Limousine offers 492 L, while the Mercedes GLC provides 620 L – depending on what matters most to you. If you’re looking for more power, you’ll need to decide whether the 367 HP of the Audi A6 Limousine or the 680 HP of the Mercedes GLC suits your needs better.

There are also differences in efficiency: 2.20 L vs 0.40 L. In terms of price, the Audi A6 Limousine starts at 47600 £, while the Mercedes GLC is available from 50100 £.

Compare all the key specs now and find out which model fits your lifestyle best!

Audi A6 Limousine

The Audi A6 Limousine seamlessly blends sophistication with performance, embodying the perfect balance between comfort and dynamic driving. Its sleek design and meticulously crafted interior provide an elegant atmosphere, while the advanced technology enhances the driving experience. With a reputation for reliability and innovation, the A6 stands out in the executive saloon segment, appealing to drivers who appreciate both style and substance.

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Mercedes GLC

The Mercedes-Benz GLC exudes a refined elegance combined with a dynamic and sporty character, making it a standout in the SUV segment. It effortlessly blends luxury with practicality, offering a spacious interior fitted with high-quality materials and advanced technology features. The driving experience is both smooth and responsive, delivering a comfortable ride whether navigating city streets or embarking on longer journeys.

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Audi A6 Limousine
Mercedes GLC
A6 Limousine
GLC

Costs and Consumption

Price
47600 - 68100 £
Price
50100 - 126600 £
Consumption L/100km
2.2 - 6.9 L
Consumption L/100km
0.4 - 10.3 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
97 - 105 km
Electric Range
12 - 128 km
Battery Capacity
20.70 kWh
Battery Capacity
-
co2
49 - 157 g/km
co2
11 - 234 g/km
Fuel tank capacity
46 - 60 L
Fuel tank capacity
49 - 65 L

Dimensions and Body

Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
1845 - 2220 kg
Curb weight
1910 - 2400 kg
Trunk capacity
354 - 492 L
Trunk capacity
390 - 620 L
Length
4999 mm
Length
4716 - 4792 mm
Width
1875 mm
Width
1890 mm
Height
1452 mm
Height
1603 - 1647 mm
Payload
535 - 625 kg
Payload
475 - 600 kg

Engine and Performance

Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Diesel MHEV, Plugin Hybrid, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automat. Schaltgetriebe (Doppelkupplung)
Transmission Detail
Automatikgetriebe
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
204 - 367 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
4.7 - 8.2 s
Acceleration 0-100km/h
3.5 - 9 s
Max Speed
243 - 250 km/h
Max Speed
208 - 275 km/h
Torque
340 - 550 Nm
Torque
320 - 1020 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
150 - 270 kW
Power kW
137 - 500 kW
Engine capacity
1968 - 2995 cm3
Engine capacity
1991 - 2989 cm3

General

Model Year
2025
Model Year
2023 - 2025
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
D, E, B, F, G
Brand
Audi
Brand
Mercedes-Benz

Audi A6 Limousine

The Audi A6 Limousine has long been an embodiment of sophistication and advanced engineering within the executive saloon segment. With its latest innovations and an impressive array of engines, the A6 continues to lead the way in both performance and luxury. Let's take a closer look at what makes this model stand out.

Striking Design and Interior Luxury

From first glance, the Audi A6 Limousine captivates with its dynamic silhouette and bold front grille. The LED headlights are a signature feature, providing a sharp and modern aesthetic that enhances visibility at night. Step inside, and the luxurious interior greets occupants with premium materials and meticulous craftsmanship. The spacious cabin is designed with comfort in mind, featuring leather upholstery and customizable ambient lighting. Audi's meticulous attention to detail is evident throughout, making every journey a pleasure.

Innovative Technology at Your Fingertips

The A6 Limousine is equipped with Audi's MMI infotainment system, providing seamless connectivity and functionality. The dual touchscreen layout offers intuitive control over navigation, multimedia, and various vehicle settings. The Virtual Cockpit enhances the driving experience with a fully digital instrument cluster that displays essential driving information directly within the driver’s line of sight.

Moreover, Audi has incorporated advanced driver-assistance systems, making the A6 not only a pleasure to drive but also a safe option for modern commuters. Features such as adaptive cruise control, lane departure warning, and a 360-degree camera system are available to assist drivers in navigating their environment with ease.

Performance and Efficiency: A Robust Powertrain

The latest iterations of the A6 Limousine boast an impressive lineup of fuel-efficient powertrains. Offering mild-hybrid technologies across its diesel and petrol engines, the A6 not only optimises performance but also effectively reduces emissions and fuel consumption.

With power outputs ranging from 163 PS to 367 PS, buyers can select the variant that best suits their driving style. The integration of advanced engineering, such as a seven-speed S tronic transmission, ensures smooth gear shifts, while options for front-wheel or all-wheel drive provide added versatility depending on road conditions.

Impressive Specifications

The A6 Limousine delivers not only on style and technology but also in specifications that matter. The vehicle can accelerate from 0-100 km/h in just 4.9 to 9.2 seconds, depending on the engine choice, with a top speed ranging from 224 km/h to 250 km/h. Fuel consumption is particularly impressive, with some models achieving as low as 1.1 L/100 km. This efficiency, combined with a practical boot capacity ranging from 360 to 530 litres, positions the A6 as an ideal choice for both business and leisure.

Conclusion: A Benchmark in the Executive Saloon Segment

The Audi A6 Limousine continues to set the benchmark in the executive saloon category through its blend of luxury, technology, and performance. With its commitment to innovation and a wide variety of options tailored to individual preferences, it remains a formidable player in a competitive market. For drivers seeking elegance, efficiency, and advanced technology, the Audi A6 Limousine remains an exemplary choice.

Mercedes GLC

Discover the Mercedes-Benz GLC: A Masterpiece of Engineering

The Mercedes-Benz GLC is synonymous with luxury and innovation, offering a versatility that appeals to discerning drivers of all kinds. With a lineup that includes Mild-Hybrid, Diesel, and Plug-In Hybrid variants, the GLC merges the brand's timeless elegance with cutting-edge technology.

A Closer Look at Engine and Performance

The Mercedes-Benz GLC range is powered by an impressive array of engines, offering something for every driving preference. From the efficient 220 PS Diesel Mild-Hybrid variants to the exhilarating 680 PS Plug-In Hybrid models, the GLC delivers on both performance and sustainability.

Noteworthy is the new Plug-In Hybrid drivetrain, which allows exceptional fuel efficiency of as low as 0.4 L/100km with an electric range of up to 130 km, making it an ideal choice for eco-conscious drivers. Meanwhile, for those seeking power, the AMG variants provide thrilling acceleration, achieving 0-100 km/h in as little as 3.5 seconds.

State-of-the-Art Infotainment and Comfort

The GLC's cabin is a sanctuary of modern luxury, featuring the advanced MBUX (Mercedes-Benz User Experience) system, which offers seamless connectivity and adaptability. The 9G-TRONIC and SPEEDSHIFT MCT 9-speed automatic transmissions ensure smooth and responsive driving experiences.

From premium seating materials to meticulously crafted interior details, the GLC provides an interior ambiance that is both comfortable and sophisticated, catering to all your travel needs with elegance and ease.

Innovative Safety Features

Mercedes-Benz's commitment to safety is evident in the GLC's comprehensive suite of features designed to protect both passengers and pedestrians. Advanced driver assistance systems, including Active Brake Assist and Blind Spot Monitoring, provide peace of mind in various driving conditions.

The GLC also offers dynamic handling and superior all-wheel drive capabilities with its 4MATIC system, ensuring stability and traction when you need it most. This technology reaffirms the GLC's position as a benchmark in SUV safety.

An Elegant Design That Turns Heads

The Mercedes-Benz GLC boasts a sleek and dynamic design, perfectly balancing form and function. Its aerodynamic silhouette, along with a choice of Avantgarde, AMG Line, and other stylistic packages, underscores a distinctive road presence while delivering optimal efficiency and performance.

The GLC champions Mercedes-Benz's philosophy of 'sensual purity', with crisp lines and a bold front grille that reflect confidence and refinement, making it an SUV that stands out in both urban and rural settings.

The Verdict: A Refined Choice for the Modern Driver

The Mercedes-Benz GLC represents an impressive convergence of luxury, technology, and sustainability. Whether you're a city driver looking for efficiency, or a performance enthusiast seeking power, the GLC offers a variant that fits a diverse range of needs and expectations.

As a beacon of modern automotive excellence, the GLC continues to set the standard for luxury SUVs, remaining an embodiment of Mercedes-Benz's tradition of innovation and quality.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.