The Audi A4 (B8 8K) facelift, produced from 2011 to 2015, represented a significant refresh of Audi’s popular compact executive car. Within this generation, the 1.8 TFSI model paired with the Multitronic continuously variable transmission (CVT) offered a compelling blend of efficiency and usability. This variant occupied a mid-range position in the A4 lineup, serving as a step up from the base 1.8 TFSI with a manual transmission, while remaining more accessible than the higher-performance 2.0 TFSI and diesel options. It was primarily marketed in Europe and other regions where fuel economy and smooth operation were highly valued, though a limited number were available in North America as part of the A4 model range.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 (B8 8K, facelift 2011) |
| Type (Engine) | 1.8 TFSI (120 Hp) Multitronic |
| Start of production | 2011 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| Fuel consumption (extra urban) | 5.4 l/100 km (43.6 US mpg, 52.3 UK mpg, 18.5 km/l) |
| Fuel consumption (combined) | 6.2 l/100 km (37.9 US mpg, 45.6 UK mpg, 16.1 km/l) |
| CO2 emissions | 144 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.5 sec |
| Acceleration 0 – 62 mph | 10.5 sec |
| Acceleration 0 – 60 mph | 10 sec |
| Maximum speed | 200 km/h (124.27 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 12.2 kg/Hp, 81.9 Hp/tonne |
| Weight-to-torque ratio | 6.4 kg/Nm, 157 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 | 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 | 1465 kg (3229.77 lbs.) |
| Max. weight | 2015 kg (4442.31 lbs.) |
| Max load | 550 kg (1212.54 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Trunk (boot) space – maximum | 962 l (33.97 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%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4701 mm (185.08 in.) |
| Width | 1826 mm (71.89 in.) |
| Width including mirrors | 2040 mm (80.31 in.) |
| Height | 1427 mm (56.18 in.) |
| Wheelbase | 2808 mm (110.55 in.) |
| Front track | 1564 mm (61.57 in.) |
| Rear (Back) track | 1551 mm (61.06 in.) |
| Front overhang | 862 mm (33.94 in.) |
| Rear overhang | 1031 mm (40.59 in.) |
| Drag coefficient (Cd) | 0.27 |
| 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 on trapezoidal lever |
| 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 | 205/60 R16 |
| Wheel rims size | 7J x 16 |
INTRODUCTION
The Audi A4 B8.5, as the facelifted model is often referred to, continued the A4’s reputation for refined interiors, solid build quality, and engaging driving dynamics. The 1.8 TFSI Multitronic variant, introduced in 2011, aimed to provide a balance between performance and economy. It was positioned as an attractive option for buyers seeking a comfortable and efficient daily driver, particularly those covering longer distances. The B8.5 facelift brought subtle styling updates, improved interior materials, and revisions to the engine range, including enhancements to the 1.8 TFSI engine for increased efficiency and reduced emissions.
Powertrain & Engine Architecture
The heart of this A4 variant is the CDHA engine, a 1.8-liter inline-four cylinder gasoline engine featuring direct fuel injection and a turbocharger. This engine is part of Audi’s EA888 family, known for its robust design and tunability. The direct injection system, coupled with the turbocharger, allows for precise fuel delivery and increased power output compared to traditional port fuel injection systems. The engine produces 120 horsepower at 3650-6200 rpm and 230 Nm (169.64 lb-ft) of torque between 1500-3650 rpm. The Multitronic transmission is a continuously variable transmission (CVT) that offers seamless gear changes and contributes to improved fuel efficiency. Unlike traditional automatic transmissions with fixed gear ratios, the Multitronic uses a chain-driven system to provide an infinite number of gear ratios within its operating range. This allows the engine to operate at its most efficient point at all times.
Driving Characteristics
The 1.8 TFSI Multitronic A4 delivers a smooth and refined driving experience. The Multitronic transmission eliminates the noticeable shifts associated with traditional automatics, resulting in a linear and effortless acceleration. While not as overtly sporty as the 2.0 TFSI models, the 1.8 TFSI provides adequate power for everyday driving situations. The torque delivery is strong from low engine speeds, making it easy to navigate city traffic and execute overtaking maneuvers. Compared to the manual transmission version of the 1.8 TFSI, the Multitronic offers greater convenience, especially in stop-and-go traffic. However, some drivers may find the CVT lacks the engaging feel of a traditional manual gearbox. The gear ratios are optimized for fuel efficiency, which can sometimes result in the engine holding higher revs during hard acceleration.
Equipment & Trim Levels
The 1.8 TFSI Multitronic A4 typically came equipped with a generous array of standard features. These included automatic climate control, a multi-function steering wheel, power windows and mirrors, and an audio system with CD player and auxiliary input. Higher trim levels, such as SE and S-line, added features like alloy wheels, upgraded interior trim, sports suspension, and parking sensors. Optional extras included a navigation system, leather upholstery, sunroof, and advanced driver assistance systems like adaptive cruise control and lane departure warning.
Chassis & Braking
The A4 B8.5 features a sophisticated chassis design with independent suspension at all four wheels. The front suspension utilizes a multi-link setup, while the rear employs a trapezoidal link design. This configuration provides a good balance between ride comfort and handling precision. The 1.8 TFSI models typically came equipped with ventilated front disc brakes and solid rear discs. Anti-lock braking system (ABS) was standard, along with electronic brake-force distribution (EBD). The suspension tuning was generally geared towards comfort, but the S-line trim offered a sportier setup with stiffer springs and dampers.
Market Reception & Comparison
The 1.8 TFSI Multitronic A4 was generally well-received by automotive critics. It was praised for its smooth powertrain, comfortable ride, and refined interior. Fuel economy was also a strong point, making it an attractive option for drivers concerned about running costs. Compared to the 2.0 TFSI models, the 1.8 TFSI offered a more affordable entry point into the A4 range, albeit with slightly less performance. The 1.8 TFSI also offered a more refined and fuel-efficient alternative to the diesel-powered A4 variants, particularly for drivers who primarily cover shorter distances. However, some critics noted that the CVT transmission could feel somewhat detached and lacked the responsiveness of a traditional automatic or manual gearbox.
Legacy
The 1.8 TFSI Multitronic A4 B8.5 has proven to be a relatively reliable vehicle in the used car market. The EA888 engine is known for its durability, and the Multitronic transmission, while requiring regular maintenance (fluid changes are crucial), can provide years of trouble-free operation. Common issues include oil consumption (a characteristic of the EA888 engine) and potential wear and tear on the Multitronic’s chain. Today, these A4s represent a good value proposition for buyers seeking a comfortable, well-equipped, and relatively efficient compact executive car. Their reputation for build quality and reliability ensures continued demand in the used car market.



