2023 Audi A6 Sedan (C8, Facelift 2023) 55 TFSI e Plug-in Hybrid Review

An in-depth look at the 2023 Audi A6 Sedan, a sophisticated plug-in hybrid that blends luxury with efficiency.

Olivia Harper | May 12, 2025 | 8 minutes
2023 Audi A6 Sedan (C8, Facelift 2023) 55 TFSI e Plug-in Hybrid Review

The 2023 Audi A6 Sedan, with its recent facelift, is a testament to Audi's commitment to combining luxury, performance, and sustainability. This plug-in hybrid model, the 55 TFSI e, offers a compelling package for those seeking a premium driving experience with an eco-friendly edge. Whether you're navigating city streets or embarking on long-distance journeys, the A6 promises to deliver comfort and efficiency.

Understanding the Plug-in Hybrid System

Before diving into the specifics, let's clarify what a plug-in hybrid is. A plug-in hybrid electric vehicle (PHEV) like the Audi A6 55 TFSI e combines a traditional internal combustion engine with an electric motor and a battery that can be recharged by plugging into an external power source. This setup allows the car to run on electric power alone for short distances, reducing fuel consumption and emissions.

The A6's hybrid system features a 2.0-liter turbocharged engine paired with an electric motor, delivering a combined output of 367 horsepower. The electric motor alone provides 143 horsepower and 350 Nm of torque, which is impressive for city driving and short commutes.

Performance and Efficiency

The Audi A6 55 TFSI e is designed to offer a balance between performance and efficiency. It accelerates from 0 to 100 km/h (0 to 62 mph) in just 5.6 seconds, thanks to its powerful hybrid system. The maximum speed is electronically limited to 250 km/h (155 mph), ensuring a thrilling drive when needed.

Fuel efficiency is a standout feature, with a combined fuel consumption of 1.2-1.6 liters per 100 km (196.01 - 147.01 US mpg). The CO2 emissions are impressively low, ranging from 27 to 35 g/km, making it an environmentally conscious choice.

Design and Features

The A6's design is both elegant and functional. With a length of 4939 mm and a width of 1886 mm, it offers ample interior space for five passengers. The trunk space is 360 liters, which is adequate for daily use and short trips.

Inside, the A6 is equipped with advanced technology and comfort features. The electric steering and independent multi-link suspension ensure a smooth and responsive ride. The car also includes modern safety systems like ABS and electric power steering, enhancing driving confidence.

Suitability for Different Lifestyles

The Audi A6 55 TFSI e is versatile, catering to various needs:

  • City Driving: The electric-only range of 63-68 km (39.15 - 42.25 mi) is perfect for urban commutes, reducing fuel costs and emissions.
  • Long-Distance Travel: With a fuel tank capacity of 52 liters and efficient hybrid system, it's well-suited for road trips.
  • Family Use: Spacious interior and advanced safety features make it a reliable family car.
  • Adventure Lifestyles: The all-wheel-drive system and towing capacity of 2000 kg (with brakes) support outdoor activities.

Strengths and Weaknesses

  • Strengths: Efficient hybrid system, luxurious interior, advanced safety features, and versatile for different driving needs.
  • Weaknesses: Limited trunk space compared to some competitors, and the need for regular charging to maximize efficiency.

Conclusion

The 2023 Audi A6 Sedan 55 TFSI e is a remarkable blend of luxury, performance, and eco-friendliness. It's an excellent choice for those who value efficiency without compromising on style and comfort. Whether you're a city dweller or a long-distance traveler, this plug-in hybrid offers something for everyone. Think about what features matter most to you. Do you need extra cargo space, or is fuel efficiency your top priority?

Specifications Table

AttributeDetails
GenerationA6 Sedan (C8, facelift 2023)
Modification (Engine)55 TFSI e (367 Hp) Plug-in Hybrid quattro ultra S tronic
Powertrain ArchitecturePHEV (Plug-in Hybrid Electric Vehicle)
Body TypeSedan
Seats5
Doors4
Combined Fuel Consumption1.2-1.6 l/100 km
CO2 Emissions27-35 g/km
Fuel TypePetrol / electricity
Acceleration (0-100 km/h)5.6 sec
Maximum Speed250 km/h
Emission StandardEuro 6e
Battery Voltage400 V
Battery TechnologyLithium-ion (Li-Ion)
Electric Motor Power143 Hp
Electric Motor Torque350 Nm
Engine Displacement1984 cm3
Number of Cylinders4
Engine ConfigurationInline
Power Output265 Hp
Torque370 Nm
Compression Ratio9.6:1
Fuel Injection SystemDirect injection
Engine AspirationTurbocharger, Intercooler
Kerb Weight2010 kg
Max Load600 kg
Trunk Space (Minimum)360 l
Fuel Tank Capacity52 l
Length4939 mm
Width1886 mm
Height1459 mm
Wheelbase2924 mm
Drive Wheel SystemAll wheel drive (4x4)
Number of Gears (Transmission Type)7 gears, automatic transmission S tronic
Front SuspensionIndependent multi-link suspension
Rear SuspensionIndependent multi-link suspension
Front BrakesVentilated discs, 375 mm
Rear BrakesVentilated discs, 330 mm
Assisting SystemsABS (Anti-lock braking system)
Power SteeringElectric Steering
Tire Size245/45 R19; 255/40 R20; 255/35 R21
Wheel Rims Size8.5J x 19; 8.5J x 20; 8.5J x 21
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