Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 Avant (B8 8K) |
| Type (Engine) | 1.8 TFSI (120 Hp) Multitronic |
| Start of production | January, 2008 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 9.6 l/100 km (24.5 US mpg, 29.4 UK mpg, 10.4 km/l) |
| Fuel consumption (economy) – extra urban | 6.3 l/100 km (37.3 US mpg, 44.8 UK mpg, 15.9 km/l) |
| Fuel consumption (economy) – combined | 7.5 l/100 km (31.4 US mpg, 37.7 UK mpg, 13.3 km/l) |
| CO2 emissions | 174 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.8 sec |
| Acceleration 0 – 62 mph | 10.8 sec |
| Acceleration 0 – 60 mph | 10.3 sec |
| Maximum speed | 191 km/h (118.68 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 12.3 kg/Hp, 81.6 Hp/tonne |
| Weight-to-torque ratio | 6.4 kg/Nm, 156.5 Nm/tonne |
| Power | 120 Hp @ 3650-6200 rpm |
| Power per litre | 66.7 Hp/l |
| Torque | 230 Nm @ 1500-3650 rpm (169.64 lb.-ft. @ 1500-3650 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EA888/ CDHA |
| Engine displacement | 1798 cm3 (109.72 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82.5 mm (3.25 in.) |
| Piston Stroke | 84.1 mm (3.31 in.) |
| Compression ratio | 9.6:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4.6 l (4.86 US qt | 4.05 UK qt) |
| Kerb Weight | 1470 kg (3240.8 lbs.) |
| Max. weight | 2040 kg (4497.43 lbs.) |
| Max load | 570 kg (1256.63 lbs.) |
| Trunk (boot) space – minimum | 490 l (17.3 cu. ft.) |
| Trunk (boot) space – maximum | 1430 l (50.5 cu. ft.) |
| Fuel tank capacity | 65 l (17.17 US gal | 14.3 UK gal) |
| Length | 4703 mm (185.16 in.) |
| Width | 1826 mm (71.89 in.) |
| Height | 1436 mm (56.54 in.) |
| Wheelbase | 2808 mm (110.55 in.) |
| Front track | 1564 mm (61.57 in.) |
| Rear (Back) track | 1551 mm (61.06 in.) |
| Drag coefficient (Cd) | 0.312 |
| Minimum turning circle (turning diameter) | 11.5 m (37.73 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | automatic transmission Multitronic |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R16; 225/50 R17 |
| Wheel rims size | 7.5J x 16; 7.5J x 17 |
The Audi A4 Avant (B8 8K) 1.8 TFSI with the Multitronic transmission, produced from January 2008 to 2011, represents a key variant within the broader B8 A4 range. This model, a five-door station wagon (estate) designed for the European market and increasingly popular in other regions, offered a blend of practicality, efficiency, and Audi’s signature refinement. Positioned as a mid-range offering, it served as a more accessible entry point into the A4 Avant lineup compared to the higher-performance 2.0 TFSI and 3.0 TDI models. It aimed to provide a comfortable and economical driving experience for families and individuals prioritizing space and versatility.
Powertrain & Engine Architecture
At the heart of this A4 Avant lies the EA888 engine family, specifically the CDHA code 1.8-liter turbocharged four-cylinder. This engine utilizes direct fuel injection (FSI) and an intercooled turbocharger to produce 120 horsepower and 230 Nm (169.64 lb-ft) of torque. The engine’s design incorporates a chain-driven dual overhead camshaft (DOHC) valvetrain, contributing to its reliability and reduced maintenance requirements. The Multitronic transmission is a continuously variable transmission (CVT) that provides seamless gear changes and optimizes engine efficiency. Unlike traditional automatic transmissions with fixed gear ratios, the Multitronic uses a chain and pulley system to offer an infinite number of ratios within its operating range. This allows the engine to consistently operate at its most efficient point, improving fuel economy.
Driving Characteristics
The 1.8 TFSI Multitronic A4 Avant delivers a comfortable and refined driving experience. While not overtly sporty, the engine provides adequate power for everyday driving and highway cruising. Acceleration from 0-60 mph takes around 10.3 seconds, and the top speed is 118.68 mph. The Multitronic transmission contributes to smooth acceleration and minimizes noticeable gear shifts. Compared to the manual transmission versions of the 1.8 TFSI, the Multitronic offers greater convenience, particularly in urban traffic. However, it lacks the direct engagement and responsiveness favored by driving enthusiasts. Compared to the more powerful 2.0 TFSI, this variant feels less energetic, but it offers superior fuel economy. The gear ratios are optimized for efficiency, prioritizing smooth cruising over rapid acceleration.
Equipment & Trim Levels
The standard equipment on the 1.8 TFSI Multitronic A4 Avant typically included features such as air conditioning, power windows, power mirrors, a multi-function steering wheel, and an audio system with CD player. Higher trim levels offered options like leather upholstery, sunroof, navigation system, and parking sensors. Interior upholstery was generally cloth, with leather available as an upgrade. The dashboard layout was typical of Audi’s B8-generation vehicles, characterized by a clean and functional design. Optional extras included upgraded sound systems, heated seats, and advanced driver-assistance systems.
Chassis & Braking
The A4 Avant’s chassis features independent multi-link suspension at both the front and rear, providing a comfortable ride and good handling characteristics. The front suspension utilizes coil springs and shock absorbers, while the rear suspension incorporates a stabilizer bar to reduce body roll. Braking duties are handled by ventilated discs at the front and solid discs at the rear, equipped with ABS (Anti-lock Braking System). The steering is a rack-and-pinion system with electric power assistance, offering precise and responsive steering feel. The weight distribution is well-balanced, contributing to stable handling.
Market Reception & Comparison
The Audi A4 Avant 1.8 TFSI Multitronic was generally well-received by automotive critics. It was praised for its comfortable ride, refined engine, and fuel efficiency. However, some reviewers noted that the Multitronic transmission could feel somewhat detached and lacked the engagement of a traditional manual gearbox. Compared to the 2.0 TFSI A4 Avant, the 1.8 TFSI offered better fuel economy but less outright performance. The 1.8 TFSI also proved to be more reliable than some of the more complex diesel variants, reducing the risk of expensive repairs. Its fuel economy figures of around 31.4 US mpg combined made it an attractive option for drivers prioritizing efficiency.
Legacy
The 1.8 TFSI engine, in general, has proven to be a relatively reliable unit, although regular maintenance is crucial. The Multitronic transmission, however, has a more mixed reputation. While offering smooth operation, it can be prone to issues if not properly maintained, particularly regarding fluid changes. In the used car market, the A4 Avant 1.8 TFSI Multitronic represents a good value proposition, offering a blend of practicality, comfort, and Audi’s renowned build quality. It remains a popular choice for those seeking a spacious and efficient wagon, but potential buyers should be aware of the potential maintenance costs associated with the Multitronic transmission and ensure a thorough inspection before purchase.
