The Audi A5 Coupe (8T3) 1.8 TFSI, producing 160 horsepower, was a key variant in Audi’s popular A5 range, manufactured between May 2009 and September 2011. Positioned as an entry-level offering within the A5 Coupe lineup, it provided a balance of performance, fuel efficiency, and affordability. This model occupied a significant space in the market, particularly in Europe, where coupe styling was highly valued and smaller displacement engines were favored due to tax regulations and fuel costs. It represented Audi’s commitment to blending sporty aesthetics with practical everyday usability, appealing to a broad customer base seeking a premium driving experience.
Technical Specifications
| Brand | Audi |
| Model | A5 |
| Generation | A5 Coupe (8T3) |
| Type (Engine) | 1.8 TFSI (160 Hp) |
| Start of production | May, 2009 |
| End of production | September, 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 9.9 l/100 km (23.8 US mpg, 28.5 UK mpg, 10.1 km/l) |
| Fuel consumption (extra urban) | 5.6 l/100 km (42 US mpg, 50.4 UK mpg, 17.9 km/l) |
| Fuel consumption (combined) | 7.1 l/100 km (33.1 US mpg, 39.8 UK mpg, 14.1 km/l) |
| CO2 emissions | 164 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.6 sec |
| Acceleration 0 – 62 mph | 8.6 sec |
| Acceleration 0 – 60 mph | 8.2 sec |
| Maximum speed | 226 km/h (140.43 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 8.9 kg/Hp, 112.7 Hp/tonne |
| Weight-to-torque ratio | 5.7 kg/Nm, 176.1 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 | 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) |
| Kerb Weight | 1420 kg (3130.56 lbs.) |
| Max. weight | 1920 kg (4232.88 lbs.) |
| Max load | 500 kg (1102.31 lbs.) |
| Trunk (boot) space – minimum | 455 l (16.07 cu. ft.) |
| Trunk (boot) space – maximum | 829 l (29.28 cu. ft.) |
| Fuel tank capacity | 65 l (17.17 US gal | 14.3 UK gal) |
| Max. roof load | 75 kg (165.35 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 | 740 kg (1631.42 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4625 mm (182.09 in.) |
| Width | 1854 mm (72.99 in.) |
| Height | 1372 mm (54.02 in.) |
| Wheelbase | 2751 mm (108.31 in.) |
| Front track | 1590 mm (62.6 in.) |
| Rear (Back) track | 1577 mm (62.09 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle (turning diameter) | 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 | 6 gears, manual transmission |
| 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 | 225/50 R 17 |
| Wheel rims size | 7.5J x 17 |
Powertrain & Engine Architecture
The heart of the A5 Coupe 1.8 TFSI is the CDHB engine, a 1.8-liter inline-four cylinder powerplant. This engine is a member of Audi’s EA888 family, known for its robust design and tunability. The ‘TFSI’ designation stands for Turbocharged Fuel Stratified Injection, highlighting the engine’s key technologies. Direct injection delivers fuel directly into the combustion chamber, improving efficiency and power output. A single turbocharger, coupled with an intercooler, provides forced induction, boosting horsepower and torque. The engine utilizes a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for enhanced performance. The 6-speed manual transmission was standard, offering precise gear changes and a more engaging driving experience.
Driving Characteristics
The 160 hp 1.8 TFSI A5 Coupe delivered a respectable, yet not overwhelming, driving experience. Acceleration from 0-60 mph took approximately 8.2 seconds, and top speed was rated at 140.43 mph. While not as quick as the higher-powered 2.0 TFSI or 3.2 FSI variants, the 1.8 TFSI offered a good balance of performance and fuel economy. The turbocharger provided a noticeable boost in power during acceleration, but the engine felt less responsive at lower RPMs compared to naturally aspirated engines. The manual transmission’s gear ratios were well-matched to the engine’s torque curve, providing adequate power for everyday driving and highway cruising. Compared to the 2.0 TFSI, the 1.8 TFSI felt less eager to rev, but it offered a smoother and more relaxed driving experience.
Equipment & Trim Levels
The 1.8 TFSI A5 Coupe typically came standard with features such as alloy wheels, automatic climate control, a multi-function steering wheel, and an Audi Concert audio system. Interior upholstery was typically cloth, although leather options were available. Optional extras included a sunroof, navigation system, parking sensors, and upgraded audio systems. Trim levels varied depending on the market, but generally, the 1.8 TFSI represented the entry point into the A5 Coupe range, offering a good level of standard equipment without the premium features found in higher-spec models.
Chassis & Braking
The A5 Coupe featured a sophisticated chassis design, with independent multi-link suspension at both the front and rear. This suspension setup provided a comfortable ride quality while maintaining good handling characteristics. The front suspension incorporated ventilated disc brakes, while the rear brakes were solid discs. Anti-lock Braking System (ABS) was standard, enhancing safety and control during emergency braking. The A5’s chassis was designed to provide a balanced and predictable driving experience, making it enjoyable to drive on both winding roads and open highways.
Market Reception & Comparison
The Audi A5 Coupe 1.8 TFSI was generally well-received by automotive critics. It was praised for its stylish design, comfortable interior, and good fuel economy. However, some critics noted that the 1.8 TFSI engine lacked the outright performance of its larger counterparts. Compared to the 2.0 TFSI, the 1.8 TFSI offered a lower price point and slightly better fuel economy, making it an attractive option for budget-conscious buyers. In terms of reliability, the EA888 engine family has proven to be generally robust, although regular maintenance is essential to prevent issues such as carbon buildup on the intake valves.
Legacy
The Audi A5 Coupe 1.8 TFSI remains a popular choice in the used car market today. Its combination of style, comfort, and affordability has made it a desirable option for buyers seeking a premium coupe without breaking the bank. The CDHB engine, while not the most powerful in the A5 lineup, has proven to be relatively reliable with proper maintenance. Common issues include oil consumption and carbon buildup, but these can often be addressed with preventative maintenance and regular servicing. The A5 Coupe 1.8 TFSI represents a sweet spot in the A5 range, offering a compelling blend of performance, efficiency, and value.
