The Audi A3 Sportback (8V) 1.4 TFSI COD ultra, produced from 2014 to 2016, represented a key variant within the third generation (8V) of Audi’s popular compact hatchback. Positioned as a fuel-efficient and technologically advanced option, this model aimed to deliver a balance between performance and economy. The “COD” designation stands for Cylinder On Demand, a fuel-saving technology that deactivates two cylinders under light load conditions. This variant was primarily marketed in Europe and other regions where fuel efficiency and lower emissions were highly valued, though it wasn’t widely available in the North American market where the A3 sedan was favored.
Technical Specifications
| Brand | Audi |
| Model | A3 |
| Generation | A3 Sportback (8V) |
| Type (Engine) | 1.4 TFSI COD ultra (150 Hp) S-tronic |
| Start of production | 2014 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.8 l/100 km (40.6 US mpg, 48.7 UK mpg, 17.2 km/l) |
| Fuel consumption (extra urban) | 4.1 l/100 km (57.4 US mpg, 68.9 UK mpg, 24.4 km/l) |
| Fuel consumption (combined) | 4.7 l/100 km (50 US mpg, 60.1 UK mpg, 21.3 km/l) |
| CO2 emissions | 109 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.2 sec |
| Acceleration 0 – 62 mph | 8.2 sec |
| Acceleration 0 – 60 mph | 7.8 sec |
| Maximum speed | 220 km/h (136.7 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.2 kg/Hp, 121.5 Hp/tonne |
| Weight-to-torque ratio | 4.9 kg/Nm, 202.4 Nm/tonne |
| Power | 150 Hp @ 5000-6000 rpm |
| Power per litre | 107.5 Hp/l |
| Torque | 250 Nm @ 1500-3500 rpm (184.39 lb.-ft. @ 1500-3500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | CZDA, CZEA |
| Engine displacement | 1395 cm3 (85.13 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 74.5 mm (2.93 in.) |
| Piston Stroke | 80 mm (3.15 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Kerb Weight | 1235 kg (2722.71 lbs.) |
| Max. weight | 1795 kg (3957.3 lbs.) |
| Max load | 560 kg (1234.59 lbs.) |
| Trunk (boot) space – minimum | 380 l (13.42 cu. ft.) |
| Trunk (boot) space – maximum | 1220 l (43.08 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (8%) | 1700 kg (3747.86 lbs.) |
| Permitted trailer load with brakes (12%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 650 kg (1433 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4310 mm (169.69 in.) |
| Width | 1786 mm (70.31 in.) |
| Width including mirrors | 1966 mm (77.4 in.) |
| Height | 1426 mm (56.14 in.) |
| Wheelbase | 2636 mm (103.78 in.) |
| Front track | 1536 mm (60.47 in.) |
| Rear (Back) track | 1506 mm (59.29 in.) |
| Front overhang | 869 mm (34.21 in.) |
| Rear overhang | 805 mm (31.69 in.) |
| Drag coefficient (Cd) | 0.31 |
| Minimum turning circle (turning diameter) | 10.9 m (35.76 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 | 7 gears, automatic transmission S-tronic |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| 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 | 205/55 R16 |
| Wheel rims size | 6.5J x 16 |
Powertrain & Engine Architecture
The heart of the A3 Sportback 1.4 TFSI COD ultra is the CZDA or CZEA engine code, a 1.4-liter inline-four cylinder gasoline engine. This engine utilizes direct fuel injection and a turbocharger with an intercooler to deliver a respectable 150 horsepower and 250 Nm (184 lb-ft) of torque. The key innovation is the Cylinder On Demand (COD) system. Under partial load conditions, the engine shuts down cylinders two and three, effectively running as a twin-cylinder engine to reduce fuel consumption. This switch is virtually imperceptible to the driver. The engine is paired with Audi’s seven-speed S-tronic dual-clutch transmission, known for its quick and smooth shifts. This transmission contributes to both fuel efficiency and responsive acceleration.
Driving Characteristics
The 1.4 TFSI COD ultra S-tronic offers a comfortable and refined driving experience. While not a performance-oriented variant, the 150 hp output provides adequate power for everyday driving and highway cruising. Acceleration from 0 to 62 mph takes approximately 8.2 seconds. The S-tronic transmission ensures brisk gear changes, and the COD system works seamlessly to optimize fuel economy. Compared to the more powerful 1.8 TFSI or 2.0 TFSI models, this variant feels less eager to accelerate, but it compensates with significantly improved fuel efficiency. The gear ratios are tuned for economy, meaning the engine may feel slightly strained during aggressive acceleration or when climbing steep hills.
Equipment & Trim Levels
The 1.4 TFSI COD ultra typically came equipped with a generous amount of standard features. These included air conditioning, a multi-function steering wheel, Audi’s MMI infotainment system with a color display, alloy wheels, and a comprehensive suite of safety features like ABS, ESP, and multiple airbags. Interior upholstery was typically cloth, with options for leather upgrades. Common optional extras included a panoramic sunroof, navigation system, parking sensors, and upgraded sound systems. Trim levels varied slightly depending on the market, but generally, this variant occupied a mid-range position in the A3 Sportback lineup, offering a good balance of features and affordability.
Chassis & Braking
The A3 Sportback 1.4 TFSI COD ultra utilizes an independent suspension setup, with a McPherson strut front suspension and a multi-link rear suspension. This configuration provides a comfortable ride and good handling characteristics. The front brakes are ventilated discs, while the rear brakes are solid discs. The steering is electric power-assisted, offering a precise and responsive feel. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering. The chassis is tuned to prioritize comfort and efficiency, rather than outright sportiness.
Market Reception & Comparison
The A3 Sportback 1.4 TFSI COD ultra was generally well-received by automotive critics for its fuel efficiency and refined driving experience. It was praised for its innovative COD technology and the smooth operation of the S-tronic transmission. However, some reviewers noted that the engine could feel underpowered at times, particularly when fully loaded or driving uphill. Compared to the 1.8 TFSI variant, the 1.4 TFSI offered significantly better fuel economy but lacked the same level of performance. The 1.6 TDI diesel variant was another competitor, offering similar fuel economy but with a different driving character.
Legacy
The 1.4 TFSI COD ultra powertrain has proven to be relatively reliable, although the COD system has been known to experience occasional issues with solenoid valves or software glitches. Regular maintenance, including oil changes and timing belt replacements, is crucial for long-term reliability. In the used car market, this variant represents a good value proposition for buyers seeking a fuel-efficient and well-equipped compact hatchback. Its combination of technology, comfort, and economy continues to make it an attractive option for those prioritizing practicality and running costs.
