The Audi A4 (B9 8W) 2.0 TDI 190 hp variant was a key model in Audi’s lineup from 2015 to 2018, representing a balance between performance, fuel efficiency, and practicality within the broader B9 A4 generation. Positioned as a mid-range offering, it catered to buyers seeking a more spirited driving experience than the lower-powered TDI options, without the premium cost of the performance-oriented S4. This model played a significant role in maintaining the A4’s popularity in the European market, where diesel engines remained dominant, and also gained traction in other regions seeking efficient luxury sedans.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 (B9 8W) |
| Type (Engine) | 2.0 TDI (190 Hp) |
| Start of production | 2015 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.1-5.4 l/100 km (46.1 – 43.6 US mpg, 55.4 – 52.3 UK mpg, 19.6 – 18.5 km/l) |
| Fuel consumption (extra urban) | 3.8-4.1 l/100 km (61.9 – 57.4 US mpg, 74.3 – 68.9 UK mpg, 26.3 – 24.4 km/l) |
| Fuel consumption (combined) | 4.3-4.5 l/100 km (54.7 – 52.3 US mpg, 65.7 – 62.8 UK mpg, 23.3 – 22.2 km/l) |
| CO2 emissions | 111-118 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 7.6 kg/Hp, 131 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 275.9 Nm/tonne |
| Power | 190 Hp @ 3800-4200 rpm |
| Torque | 400 Nm @ 1750-3000 rpm (295.02 lb.-ft. @ 1750-3000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | DETA |
| Engine displacement | 1968 cm3 (120.09 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 81 mm (3.19 in.) |
| Piston Stroke | 95.5 mm (3.76 in.) |
| Compression ratio | 15.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4.7 l (4.97 US qt | 4.14 UK qt) |
| Kerb Weight | 1450 kg (3196.7 lbs.) |
| Max. weight | 2045 kg (4508.45 lbs.) |
| Max load | 595 kg (1311.75 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Trunk (boot) space – maximum | 965 l (34.08 cu. ft.) |
| Fuel tank capacity | 54 l (14.27 US gal | 11.88 UK gal) |
| Max. roof load | 90 kg (198.42 lbs.) |
| Permitted trailer load with brakes (8%) | 1900 kg (4188.78 lbs.) |
| Permitted trailer load with brakes (12%) | 1700 kg (3747.86 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4726 mm (186.06 in.) |
| Width | 1842 mm (72.52 in.) |
| Height | 1427 mm (56.18 in.) |
| Wheelbase | 2820 mm (111.02 in.) |
| Front track | 1572 mm (61.89 in.) |
| Rear (Back) track | 1555 mm (61.22 in.) |
| Drag coefficient (Cd) | 0.27 |
| Minimum turning circle (turning diameter) | 11.6 m (38.06 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 | 6 gears, manual transmission |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/50 R17; 245/40 R18; 245/35 R19 |
| Wheel rims size | 7.5J x 17; 18; 19 |
INTRODUCTION
The Audi A4 (B9 8W) 2.0 TDI 190 hp, produced between 2015 and 2018, represents a significant iteration of Audi’s popular executive sedan. Built on the Volkswagen Group’s MLB Evo platform (1HX0/A3), this variant offered a compelling blend of performance and efficiency. It slotted into the A4 lineup above the lower-powered TDI models (typically 116 hp and 150 hp) and below the higher-performance S4. The B9 generation marked a substantial leap forward in terms of technology, design, and driving dynamics compared to its predecessor, the B8. This particular 2.0 TDI engine was a mainstay in Audi’s European offerings, prized for its torque and fuel economy.
Powertrain & Engine Architecture
At the heart of the A4 2.0 TDI 190 hp lies the Volkswagen Group’s DETA engine, a 2.0-liter inline-four cylinder diesel engine. This engine utilizes a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The DETA engine features a single turbocharger with an intercooler, boosting power output and improving efficiency. The engine employs a Dual Overhead Camshaft (DOHC) valvetrain with four valves per cylinder, enhancing breathing and contributing to its power delivery. The 190 hp variant benefits from revised turbocharger mapping and engine management software compared to lower-output versions. The engine is longitudinally mounted, driving the front wheels through a six-speed manual transmission in this configuration. The transmission is known for its smooth shifts and relatively short throw, contributing to a more engaging driving experience.
Driving Characteristics
The A4 2.0 TDI 190 hp delivers a noticeably more responsive driving experience than its lower-powered siblings. The 400 Nm (295 lb-ft) of torque, available from 1750 to 3000 rpm, provides strong acceleration in everyday driving situations. While not a sports car, the 190 hp variant offers ample power for overtaking and highway cruising. The six-speed manual transmission allows for precise control, and the gear ratios are well-matched to the engine’s torque curve. Compared to the 150 hp TDI, the 190 hp version feels significantly more effortless, particularly when fully loaded or tackling inclines. The 0-60 mph time of around 7.3 seconds is respectable for a diesel-powered executive sedan. The front-wheel-drive configuration provides good traction in most conditions, although torque steer can be noticeable under hard acceleration.
Equipment & Trim Levels
The A4 2.0 TDI 190 hp was typically offered in SE, Sport, and S line trim levels. Standard equipment on the SE trim included alloy wheels, automatic climate control, a multi-function steering wheel, and Audi’s MMI infotainment system with a 7-inch display. The Sport trim added sport seats, lowered suspension, and exterior styling enhancements. The S line trim further enhanced the sporty appearance with unique bumpers, side skirts, and interior trim. Optional extras included a larger MMI display with navigation, a Bang & Olufsen sound system, leather upholstery, and a suite of driver assistance systems such as adaptive cruise control and lane departure warning. Interior upholstery typically consisted of cloth or leather, with a range of color options available.
Chassis & Braking
The B9 A4 features a sophisticated chassis design with independent multi-link suspension at both the front and rear. This setup provides a comfortable ride while maintaining good handling characteristics. The 190 hp TDI variant typically came equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock Braking System (ABS) and Electronic Stability Control (ESC) were standard features. The suspension tuning was generally geared towards comfort, but the Sport and S line trims featured a slightly firmer setup for improved handling. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Audi A4 2.0 TDI 190 hp was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and high-quality interior. Compared to the lower-powered TDI models, the 190 hp variant offered a more satisfying driving experience without sacrificing fuel economy. Fuel economy figures typically ranged from 4.3 to 4.5 l/100 km (54.7 – 52.3 US mpg), making it an attractive option for drivers covering long distances. In terms of reliability, the DETA engine proved to be generally robust, although some owners reported issues with the diesel particulate filter (DPF) and turbocharger. Compared to competitors such as the BMW 320d and Mercedes-Benz C220d, the A4 2.0 TDI 190 hp offered a compelling combination of performance, luxury, and technology.
Legacy
The Audi A4 (B9 8W) 2.0 TDI 190 hp remains a popular choice in the used car market. Its reputation for reliability, fuel efficiency, and comfortable ride has ensured continued demand. While diesel engines have faced increased scrutiny in recent years, the DETA engine remains a relatively clean and efficient option. Regular maintenance, including timely DPF regeneration and oil changes, is crucial for ensuring long-term reliability. The B9 A4’s advanced technology and sophisticated design continue to appeal to buyers seeking a premium executive sedan at a reasonable price point. The 190 hp TDI variant, in particular, strikes a good balance between performance and economy, making it a well-rounded and desirable used car option.
