Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Allroad quattro (C8) |
| Type (Engine) | 45 TDI V6 (231 Hp) Mild Hybrid quattro tiptronic |
| Start of production | June, 2019 |
| End of production | December, 2020 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Station wagon (estate), Crossover |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 7.3-7.8 l/100 km (32.2 – 30.2 US mpg) |
| CO2 emissions (WLTP) | 192-203 g/km |
| Fuel consumption (urban) | 6.4-6.6 l/100 km (36.8 – 35.6 US mpg) |
| Fuel consumption (extra urban) | 5.4-5.6 l/100 km (43.6 – 42 US mpg) |
| Fuel consumption (combined) | 5.8-5.9 l/100 km (40.6 – 39.9 US mpg) |
| CO2 emissions (NEDC) | 152-156 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.7 sec |
| Acceleration 0 – 62 mph | 6.7 sec |
| Acceleration 0 – 60 mph | 6.4 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6d-TEMP-EVAP-ISC |
| Weight-to-power ratio | 8.4 kg/Hp |
| Weight-to-torque ratio | 3.9 kg/Nm |
| Net battery capacity | 0.5 kWh |
| Battery voltage | 48 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery weight | 10 kg (22.05 lbs) |
| Recuperation output | 8 kW |
| Electric motor power | 8 Hp |
| Electric motor Torque | 60 Nm (44.25 lb.-ft.) |
| Power | 231 Hp @ 3250-4700 rpm |
| Torque | 500 Nm @ 1750-3250 rpm (368.78 lb.-ft.) |
| Engine displacement | 2967 cm3 (181.06 cu. in.) |
| Number of cylinders | 6 |
| Compression ratio | 16:1 |
| Fuel injection system | Diesel Commonrail |
| Engine oil capacity | 6.1 l (6.45 US qt) |
| Coolant capacity | 11.1 l (11.73 US qt) |
| Kerb Weight | 1945 kg (4287.99 lbs) |
| Max. weight | 2625 kg (5787.13 lbs) |
| Max load | 680 kg (1499.14 lbs) |
| Trunk (boot) space (min) | 565 l (19.95 cu. ft.) |
| Trunk (boot) space (max) | 1680 l (59.33 cu. ft.) |
| Fuel tank capacity | 63 l (16.64 US gal) |
| AdBlue tank capacity | 12 l (3.17 US gal) |
| Length | 4951 mm (194.92 in) |
| Width | 1902 mm (74.88 in) |
| Height | 1497-1542 mm (58.94 – 60.71 in) |
| Wheelbase | 2925 mm (115.16 in) |
| Tires size | 235/55 R18; 235/50 R19; 245/45 R20 |
| Number of gears | 8 |
| Gearbox type | automatic transmission tiptronic |
The C8 generation Audi A6 Allroad, launched in 2019, continued the tradition of offering a rugged, yet refined, wagon alternative to traditional SUVs. Built on the MLB Evo platform (shared with the A6, A7, and Q7), the Allroad distinguished itself with its adjustable air suspension, standard quattro all-wheel drive, and protective body cladding. The 45 TDI variant, powered by a 3.0-liter V6 diesel engine, represented a sweet spot in the range, balancing performance, fuel efficiency, and price. It was a key model for Audi in European markets, where the Allroad’s versatility was particularly appreciated.
Powertrain & Engine Architecture
At the heart of the A6 Allroad 45 TDI lies the EA897evo2 3.0-liter V6 diesel engine, designated with the engine code DDVE. This engine features a sophisticated common-rail direct injection system operating at pressures up to 2,500 bar, ensuring efficient fuel atomization and combustion. The engine utilizes a variable geometry turbocharger (VGT) and an intercooler to maximize power and torque across a broad rev range. The valvetrain employs four valves per cylinder and dual overhead camshafts (DOHC), contributing to its responsive nature. Crucially, this variant incorporates a 48V mild-hybrid system. This system utilizes a belt starter generator (BSG) and a small lithium-ion battery to enable features like extended start-stop operation, coasting with the engine off, and a slight power boost during acceleration. The eight-speed tiptronic automatic transmission, a staple of Audi’s lineup, provides smooth and quick gear changes. It’s known for its adaptability and contributes to both fuel efficiency and driving enjoyment. The transmission is electronically controlled and features adaptive shift programs.
Driving Characteristics
The A6 Allroad 45 TDI delivers a composed and refined driving experience. The 231 horsepower and 369 lb-ft of torque provide ample power for effortless cruising and confident overtaking. While not as overtly sporty as some of its rivals, the 45 TDI offers brisk acceleration – 0 to 60 mph in around 6.4 seconds – and a relaxed demeanor. The tiptronic transmission is well-matched to the engine’s characteristics, providing seamless shifts and intelligent gear selection. The quattro all-wheel-drive system ensures excellent traction in all weather conditions, while the air suspension provides a comfortable ride, absorbing bumps and imperfections in the road surface with ease. Compared to the more powerful 50 TDI, the 45 TDI feels slightly less urgent in its acceleration, but the difference is often negligible in everyday driving. The manual transmission option, available on other A6 models, was not offered with the 45 TDI, emphasizing its focus on comfort and convenience.
Equipment & Trim Levels
The A6 Allroad 45 TDI typically came well-equipped as standard. Features included Audi’s virtual cockpit digital instrument cluster, a touchscreen infotainment system with navigation, leather upholstery, tri-zone automatic climate control, and a comprehensive suite of safety systems, including adaptive cruise control, lane departure warning, and automatic emergency braking. Optional extras included a Bang & Olufsen premium sound system, massaging front seats, a head-up display, and various driver assistance packages. Interior trim levels varied, with options for different wood or aluminum inlays. The Allroad-specific interior touches, such as unique upholstery patterns and aluminum pedals, further distinguished it from the standard A6.
Chassis & Braking
The A6 Allroad’s chassis is designed to provide both comfort and stability. The front suspension utilizes a multi-link setup with air suspension, allowing for adjustable ride height and damping. The rear suspension also employs a multi-link design, contributing to precise handling and a comfortable ride. The air suspension system can raise the vehicle’s ride height by up to 60mm (2.4 inches) for improved off-road capability. Braking duties are handled by ventilated discs on all four wheels. The Allroad typically featured larger brake rotors than the standard A6, providing ample stopping power. Anti-lock braking system (ABS), electronic stability control (ESC), and traction control are standard features.
Market Reception & Comparison
The Audi A6 Allroad 45 TDI was generally well-received by automotive critics. It was praised for its comfortable ride, refined interior, and all-weather capability. Fuel economy was also a strong point, with real-world figures often exceeding the official WLTP ratings. Compared to rivals like the Volvo V90 Cross Country and the Mercedes-Benz E-Class All-Terrain, the A6 Allroad was often seen as offering a more sophisticated driving experience and a more technologically advanced interior. However, some critics noted that the 45 TDI lacked the outright performance of some of its competitors. Reliability reports have been generally positive, with the EA897 engine proving to be a durable and dependable unit.
Legacy
The A6 Allroad 45 TDI (C8) represents a refined and capable iteration of Audi’s long-standing Allroad tradition. The combination of the efficient diesel engine, smooth automatic transmission, and quattro all-wheel drive makes it a practical and enjoyable vehicle for a wide range of driving conditions. On the used car market, these models hold their value relatively well, reflecting their build quality and reputation for reliability. The mild-hybrid technology, while not a full hybrid system, demonstrates Audi’s early commitment to improving fuel efficiency and reducing emissions. The C8 Allroad 45 TDI continues to be a sought-after vehicle for those seeking a luxurious and versatile wagon with all-weather capability.

