The Audi A7 Sportback (C8) 45 TDI V6 quattro Tiptronic Mild Hybrid represents a sophisticated blend of performance, efficiency, and technology within the Audi A7 lineup. Produced from 2018 to 2020, this variant occupied a key position as a mid-range offering, bridging the gap between the entry-level 40 TDI models and the higher-performance 50 TDI and S7 versions. It’s built on the Volkswagen Group’s MLB Evo platform, shared with other Audi, Porsche, and Volkswagen models, emphasizing a focus on lightweight construction and advanced engineering. This particular configuration aimed to deliver a refined driving experience with a balance of power and fuel economy, appealing to buyers seeking a luxurious grand tourer.
Technical Specifications
| Brand | Audi |
| Model | A7 |
| Generation | A7 Sportback (C8) |
| Type | 45 TDI V6 (231 Hp) quattro Tiptronic Mild Hybrid |
| Start of production | 2018 |
| End of production | 2020 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Liftback |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 7.1-7.4 l/100 km (33.1 – 31.8 US mpg, 39.8 – 38.2 UK mpg, 14.1 – 13.5 km/l) |
| CO2 emissions (WLTP) | 186-195 g/km |
| Fuel consumption (urban) | 6.2-6.4 l/100 km (37.9 – 36.8 US mpg, 45.6 – 44.1 UK mpg, 16.1 – 15.6 km/l) |
| Fuel consumption (extra urban) | 5.2-5.4 l/100 km (45.2 – 43.6 US mpg, 54.3 – 52.3 UK mpg, 19.2 – 18.5 km/l) |
| Fuel consumption (combined) | 5.6-5.8 l/100 km (42 – 40.6 US mpg, 50.4 – 48.7 UK mpg, 17.9 – 17.2 km/l) |
| CO2 emissions | 147-150 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.5 sec |
| Acceleration 0 – 62 mph | 6.5 sec |
| Acceleration 0 – 60 mph | 6.2 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.1 kg/Hp, 122.9 Hp/tonne |
| Weight-to-torque ratio | 3.8 kg/Nm, 266 Nm/tonne |
| Power | 231 Hp @ 3250-4750 rpm |
| Torque | 500 Nm @ 1750-3250 rpm (368.78 lb.-ft. @ 1750-3250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | DDVE |
| Engine displacement | 2967 cm3 (181.06 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 6.1 l (6.45 US qt | 5.37 UK qt) |
| Kerb Weight | 1880 kg (4144.69 lbs.) |
| Max. weight | 2535 kg (5588.72 lbs.) |
| Max load | 655 kg (1444.03 lbs.) |
| Trunk (boot) space – minimum | 535 l (18.89 cu. ft.) |
| Fuel tank capacity | 63 l (16.64 US gal | 13.86 UK gal) |
| Max. roof load | 90 kg (198.42 lbs.) |
| Permitted trailer load with brakes (8%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 95 kg (209.44 lbs.) |
| Length | 4969 mm (195.63 in.) |
| Width | 1908 mm (75.12 in.) |
| Width including mirrors | 2118 mm (83.39 in.) |
| Height | 1422 mm (55.98 in.) |
| Wheelbase | 2926 mm (115.2 in.) |
| Front track | 1651 mm (65 in.) |
| Rear track | 1637 mm (64.45 in.) |
| Front overhang | 927 mm (36.5 in.) |
| Rear overhang | 1116 mm (43.94 in.) |
| Minimum turning circle | 12.2 m (40.03 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 8 |
| Gearbox type | Automatic transmission Tiptronic |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R18 |
| Wheel rims size | 8J x 18 |
Powertrain & Engine Architecture
At the heart of the A7 45 TDI lies the DDVE engine, a 3.0-liter V6 turbocharged diesel engine. This engine is part of Volkswagen Group’s modular engine family, known for its robust construction and efficiency. The engine utilizes a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A single turbocharger, coupled with an intercooler, provides ample boost, contributing to the engine’s 500 Nm (368.78 lb.-ft.) of torque available from a low 1750 rpm. The 231 horsepower peak is achieved between 3250 and 4750 rpm. The “45 TDI” designation doesn’t directly correlate to engine displacement, but rather represents a specific power output level within Audi’s naming convention. The mild hybrid system (MHEV) incorporates a 48-volt electrical system and a belt starter generator (BSG). This system allows for extended engine-off coasting, regenerative braking to recover energy, and smoother start-stop operation, contributing to improved fuel economy. The transmission is an 8-speed Tiptronic automatic, known for its smooth shifts and responsiveness.
Driving Characteristics
The A7 45 TDI with the automatic transmission delivers a refined and comfortable driving experience. While not as overtly sporty as the higher-powered variants, the 231 hp and 500 Nm of torque provide ample power for effortless cruising and confident overtaking. The Tiptronic transmission is well-tuned, offering smooth and quick gear changes. The quattro all-wheel-drive system provides excellent traction in all weather conditions, enhancing stability and control. Compared to the 40 TDI, the 45 TDI offers a noticeable performance upgrade, while remaining more economical than the 50 TDI. The automatic transmission, while convenient, may feel slightly less engaging than the available manual options, and some drivers might notice a slight delay in response during aggressive acceleration. The gear ratios are optimized for both fuel efficiency and comfortable highway cruising.
Equipment & Trim Levels
The A7 45 TDI typically came well-equipped as standard. Interior features included leather upholstery, three-zone automatic climate control, Audi’s MMI touch response infotainment system with dual touchscreens, and a premium sound system. Standard safety features included Audi pre sense basic, lane departure warning, and parking sensors. Optional extras included features like a head-up display, adaptive cruise control, a panoramic sunroof, and upgraded leather packages. Trim levels varied by market, but generally offered options for different interior finishes, exterior styling cues, and wheel designs. The A7 Sportback aimed for a luxurious experience, and the 45 TDI trim offered a good balance of features and price.
Chassis & Braking
The A7 Sportback features an independent multi-link suspension system at both the front and rear axles, providing a comfortable ride and precise handling. The suspension is tuned to prioritize comfort, but still offers good body control. The quattro all-wheel-drive system distributes power between the front and rear axles as needed, optimizing traction and stability. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. The electronic stability control (ESC) system helps to maintain control during emergency maneuvers. The weight distribution is well-balanced, contributing to the car’s neutral handling characteristics.
Market Reception & Comparison
The Audi A7 Sportback 45 TDI was generally well-received by automotive critics. It was praised for its refined driving experience, luxurious interior, and efficient engine. Compared to its competitors, such as the BMW 6 Series Gran Turismo and Mercedes-Benz CLS, the A7 offered a unique blend of style, practicality, and technology. The 45 TDI variant was seen as a sweet spot in the lineup, offering a good balance of performance and fuel economy. Some critics noted that the infotainment system could be complex to learn, and the rear headroom was slightly limited due to the sloping roofline. Fuel economy figures were competitive for its class, and the mild hybrid system helped to further improve efficiency.
Legacy
The Audi A7 Sportback (C8) 45 TDI V6 quattro Tiptronic Mild Hybrid has proven to be a reliable and durable vehicle. The 3.0-liter TDI engine is known for its longevity, provided it is properly maintained. Common maintenance items include regular oil changes, filter replacements, and timing belt service. The Tiptronic transmission is generally reliable, but may require servicing at higher mileages. On the used car market, these models hold their value relatively well, due to their reputation for quality and refinement. They remain a popular choice for buyers seeking a luxurious and efficient grand tourer.
