The Audi A4 Avant (B8 8K) 1.8 TFSI Multitronic, produced between 2008 and 2011, represents a compelling blend of practicality, efficiency, and Audi’s signature refinement within the compact executive estate (wagon) segment. Positioned as a mid-range offering in the B8 A4 Avant lineup, it served as a more accessible entry point into the A4 family compared to the higher-performance 2.0 TFSI and 3.0 TDI models. This variant was particularly popular in European markets where wagons hold a significant share of the automotive landscape, offering a spacious and versatile alternative to traditional sedans.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 Avant (B8 8K) |
| Type (Engine) | 1.8 TFSI (160 Hp) Multitronic |
| Start of production | 2008 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 10.5 l/100 km (22.4 US mpg, 26.9 UK mpg, 9.5 km/l) |
| Fuel consumption (extra urban) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| Fuel consumption (combined) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| CO2 emissions | 179 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.9 sec |
| Acceleration 0 – 62 mph | 8.9 sec |
| Acceleration 0 – 60 mph | 8.5 sec |
| Maximum speed | 210 km/h (130.49 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 9.4 kg/Hp, 106 Hp/tonne |
| Weight-to-torque ratio | 6 kg/Nm, 165.6 Nm/tonne |
| Power | 160 Hp @ 4500-6200 rpm |
| Power per litre | 89 Hp/l |
| Torque | 250 Nm @ 1500-4500 rpm (184.39 lb.-ft. @ 1500-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EA888 / CDHB |
| 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) |
| Coolant | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1510 kg (3328.98 lbs.) |
| Max. weight | 2080 kg (4585.62 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) |
| Max. roof load | 90 kg (198.42 lbs.) |
| Permitted trailer load with brakes (8%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load with brakes (12%) | 1300 kg (2866.01 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| 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) | 0.31 |
| Minimum turning circle | 11.4 m (37.4 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 | 225/65 R16; 225/50 R17 |
| Wheel rims size | 7.5J x 16; 7.5J x 17 |
INTRODUCTION
The B8 generation Audi A4 Avant, launched in 2008, represented a significant step forward in terms of technology, refinement, and driving dynamics. Built on the Volkswagen Group’s PL46 platform (also known as the 1HX0/A3 platform), the Avant (estate) version offered the same sophisticated engineering as the sedan, but with the added benefit of increased cargo capacity and versatility. The 1.8 TFSI Multitronic variant was designed to appeal to buyers seeking a balance between performance and fuel economy, offering a comfortable and capable daily driver.
Powertrain & Engine Architecture
At the heart of the A4 Avant 1.8 TFSI Multitronic lies the EA888 engine, specifically the CDHB code. This 1.8-liter, turbocharged, inline-four cylinder engine utilizes direct fuel injection (FSI) and an intercooler to optimize power and efficiency. The engine produces 160 horsepower at 4500-6200 rpm and 184 lb-ft of torque between 1500-4500 rpm. The turbocharger provides a noticeable boost in power, enhancing responsiveness. The engine’s DOHC (Dual Overhead Camshaft) valvetrain, with four valves per cylinder, contributes to its efficient operation. Paired with this engine is Audi’s Multitronic continuously variable transmission (CVT). This transmission, unlike traditional automatics with fixed gear ratios, offers a seamless and stepless gear change, optimizing engine efficiency and providing smooth acceleration. The Multitronic utilizes a chain-driven system, known for its durability, but requires specific maintenance intervals with the correct oil.
Driving Characteristics
The 1.8 TFSI Multitronic A4 Avant delivers a refined and comfortable driving experience. While not as overtly sporty as the 2.0 TFSI variant, it provides ample power for everyday driving situations. The Multitronic transmission contributes to smooth acceleration, and the engine’s torque band makes it easy to maintain speed on the highway. The CVT does lack the immediate response of a traditional automatic or manual transmission, and some drivers may notice a slight “rubber band” effect during hard acceleration. However, the transmission offers a manual shift mode for more driver control. The front-wheel-drive configuration provides good traction in most conditions, although it can exhibit some torque steer under hard acceleration.
Equipment & Trim Levels
The 1.8 TFSI Multitronic A4 Avant typically came equipped with a respectable level of standard features. These included automatic climate control, power windows and mirrors, a multi-function steering wheel, and an Audi Concert audio system. Upholstery was typically cloth, although leather options were available. Optional extras included a sunroof, navigation system, parking sensors, and upgraded alloy wheels. Trim levels varied slightly depending on the market, but generally offered packages that bundled popular options together.
Chassis & Braking
The B8 A4 Avant features a sophisticated chassis design. The front suspension utilizes an independent multi-link setup, providing excellent ride comfort and handling. The rear suspension also employs an independent multi-link design, further enhancing ride quality and stability. Braking duties are handled by ventilated discs at the front and solid discs at the rear. Anti-lock braking system (ABS) is standard, providing enhanced stopping power and control. The A4 Avant’s steering is precise and well-weighted, offering a confident feel on the road.
Market Reception & Comparison
The A4 Avant 1.8 TFSI Multitronic was generally well-received by automotive critics. It was praised for its comfortable ride, refined interior, and fuel efficiency. Compared to the 2.0 TFSI variant, the 1.8 TFSI offered a more affordable entry point into the A4 Avant range, albeit with slightly less performance. The 1.8 TFSI also offered better fuel economy than the more powerful 2.0 TFSI and the diesel-powered TDI models. However, some critics noted the CVT transmission’s lack of responsiveness compared to a traditional automatic or manual gearbox.
Legacy
The EA888 1.8 TFSI engine, in general, has proven to be a relatively reliable powerplant, although preventative maintenance is crucial. The Multitronic transmission, while durable, requires regular fluid changes with the correct specification fluid to prevent issues. Today, the B8 A4 Avant 1.8 TFSI Multitronic represents a good value proposition in the used car market. It offers a blend of practicality, comfort, and refinement at an affordable price point. However, potential buyers should be aware of the importance of maintaining the Multitronic transmission and should thoroughly inspect the vehicle’s service history before purchasing.
