The Audi A8 L Horch (D5, facelift released in 2021) represents the pinnacle of luxury and technology within the fourth generation of Audi’s flagship sedan. Introduced as a highly exclusive variant, the Horch designation – a nod to Audi’s pre-war heritage – signifies an even more opulent and spacious experience than the standard A8 L. This particular version, the 55 TFSI V6, combines a potent 3.0-liter turbocharged engine with a 48-volt mild-hybrid system and Audi’s renowned quattro all-wheel drive, paired with an eight-speed tiptronic automatic transmission. Production began in October 2021, primarily targeting the Chinese market where demand for ultra-luxury vehicles is exceptionally high. The A8 L Horch aims to compete directly with the long-wheelbase versions of the BMW 7 Series and Mercedes-Benz S-Class.
Technical Specifications
| Brand | Audi |
| Model | A8 |
| Generation | A8L Horch (D5, facelift 2021) |
| Type (Engine) | 55 TFSI V6 (340 Hp) Mild Hybrid quattro tiptronic |
| Start of production | October, 2021 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Sedan |
| Seats | 4 |
| Doors | 4 |
| Fuel consumption (combined) | 9.39 l/100 km (25 US mpg, 30.1 UK mpg, 10.6 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.2 sec |
| Acceleration 0 – 62 mph | 6.2 sec |
| Acceleration 0 – 60 mph | 5.9 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Battery voltage | 48 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Power | 340 Hp @ 5000-6400 rpm |
| Power per litre | 113.5 Hp/l |
| Torque | 500 Nm @ 1370-4500 rpm (368.78 lb.-ft. @ 1370-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EA839 / CZSE |
| Engine displacement | 2995 cm3 (182.77 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 84.5 mm (3.33 in.) |
| Piston Stroke | 89 mm (3.5 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-scroll turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 7.6 l (8.03 US qt | 6.69 UK qt) |
| Fuel tank capacity | 82 l (21.66 US gal | 18.04 UK gal) |
| Length | 5450 mm (214.57 in.) |
| Width | 1945 mm (76.57 in.) |
| Width including mirrors | 2130 mm (83.86 in.) |
| Height | 1486 mm (58.5 in.) |
| Wheelbase | 3258 mm (128.27 in.) |
| Front track | 1645 mm (64.76 in.) |
| Rear track | 1633 mm (64.29 in.) |
| Front overhang | 1007 mm (39.65 in.) |
| Rear overhang | 1185 mm (46.65 in.) |
| Minimum turning circle | 12.2 m (40.03 ft.) |
| Drivetrain Architecture | ICE and electric motor drive all four wheels in mixed mode. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 8 |
| Gearbox type | Automatic transmission tiptronic |
| Front suspension | Independent multi-link suspension, Air suspension |
| Rear suspension | Independent multi-link suspension, Air suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Tires size | 265/40 R20 |
| Wheel rims size | 20 |
Powertrain & Engine Architecture
At the heart of the A8 L Horch 55 TFSI lies the EA839 engine, a 3.0-liter V6 gasoline engine. This engine utilizes direct fuel injection and is coupled with a twin-scroll turbocharger and an intercooler to deliver a balance of power and efficiency. The engine produces 340 horsepower at 5000-6400 rpm and 500 Nm (368.78 lb-ft) of torque between 1370 and 4500 rpm. The ‘55 TFSI’ designation indicates the engine’s power output level within Audi’s naming convention. The mild-hybrid system, operating at 48 volts, incorporates a belt-driven starter-generator (BSG) that enables features like extended engine-off coasting, smoother start-stop operation, and a slight power boost during acceleration. The eight-speed tiptronic automatic transmission is specifically tuned for smooth and refined shifts, prioritizing comfort over outright sportiness. The engine code CZSE is specific to this configuration.
Driving Characteristics
The A8 L Horch 55 TFSI prioritizes a luxurious and effortless driving experience. The combination of the 340 hp engine and the quattro all-wheel-drive system provides ample power for confident overtaking and comfortable highway cruising. While not as overtly sporty as some of its competitors, the A8 L Horch delivers a composed and stable ride, further enhanced by the standard air suspension. The tiptronic transmission offers smooth and almost imperceptible gear changes, contributing to the overall sense of refinement. Compared to the more powerful 60 TFSI variant, the 55 TFSI offers a slightly more relaxed driving experience, with a focus on fuel efficiency and comfort. The mild-hybrid system helps to mask any potential turbo lag, providing a responsive feel even at lower engine speeds.
Equipment & Trim Levels
The A8 L Horch is exceptionally well-equipped as standard. Key features include premium leather upholstery, heated and ventilated front and rear seats with massage functions, a panoramic sunroof, a high-end Bang & Olufsen sound system, and a comprehensive suite of driver-assistance systems. The Horch variant also features unique exterior styling cues, such as a distinctive chrome grille and exclusive badging. Interior trim options typically include a choice of high-quality wood veneers and aluminum accents. Optional extras include individual rear seats with a center console, a rear-seat entertainment system, and advanced parking assistance features.
Chassis & Braking
The A8 L Horch utilizes a sophisticated chassis design featuring an independent multi-link suspension at both the front and rear, coupled with an adaptive air suspension system. This setup provides a remarkably smooth and comfortable ride, even on uneven road surfaces. The air suspension allows for adjustable ride height and damping settings, further enhancing ride quality. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. Standard safety features include ABS, electronic stability control, and a suite of advanced driver-assistance systems, including adaptive cruise control, lane-keeping assist, and automatic emergency braking.
Market Reception & Comparison
The A8 L Horch has been primarily targeted at the Chinese market, where it has been well-received by buyers seeking the ultimate in luxury and prestige. Critics have praised the car’s spacious interior, refined ride quality, and advanced technology. Compared to the standard A8 L, the Horch variant offers a more exclusive and opulent experience. Against its rivals, the BMW 7 Series and Mercedes-Benz S-Class, the A8 L Horch offers a compelling combination of luxury, technology, and value. Fuel economy is respectable for a vehicle of this size and class, with combined consumption figures around 9.39 l/100 km (25 US mpg). Reliability is generally considered to be good, although the complex technology systems may require specialized maintenance.
Legacy
The A8 L Horch represents a significant step forward in Audi’s pursuit of ultra-luxury. While its long-term reliability remains to be fully assessed, the robust EA839 engine and the proven quattro all-wheel-drive system suggest a durable and dependable powertrain. On the used car market, the A8 L Horch is expected to hold its value well due to its exclusivity and high level of equipment. The Horch designation itself is likely to become a sought-after badge for discerning buyers seeking a truly special and luxurious automotive experience.
