The Hyundai i40 Sedan 2.0 GDI Automatic, produced from 2011 to 2015, represented Hyundai’s entry into the competitive mid-size sedan segment, specifically targeting the North American and European markets. Positioned as a more sophisticated alternative to the Hyundai Sonata, the i40 aimed to offer a blend of style, comfort, and efficiency. This particular variant, equipped with the 2.0-liter GDI engine and a six-speed automatic transmission, served as a popular mid-range option within the i40 lineup, offering a balance between performance and fuel economy. It was designed to appeal to buyers seeking a refined driving experience without the higher price tag of premium trims.
Technical Specifications
| Brand | Hyundai |
| Model | i40 |
| Generation | i40 Sedan |
| Type (Engine) | 2.0 GDI (177 Hp) Automatic |
| Start of production | 2011 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 10.4 l/100 km (22.6 US mpg) |
| Fuel consumption (extra urban) | 5.9 l/100 km (39.9 US mpg) |
| Fuel consumption (combined) | 7.5 l/100 km (31.4 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10 sec |
| Acceleration 0 – 62 mph | 10 sec |
| Acceleration 0 – 60 mph | 9.5 sec |
| Maximum speed | 209 km/h (129.87 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 8.1 kg/Hp |
| Weight-to-torque ratio | 6.8 kg/Nm |
| Power | 177 Hp @ 6500 rpm |
| Torque | 213 Nm @ 4700 rpm (157.1 lb.-ft. @ 4700 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | G4NC |
| Engine displacement | 1999 cm3 (121.99 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 81 mm (3.19 in.) |
| Piston Stroke | 97 mm (3.82 in.) |
| Compression ratio | 11.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | D-CVVT |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 6.8 l (7.19 US qt | 5.98 UK qt) |
| Kerb Weight | 1441 kg (3176.86 lbs.) |
| Max. weight | 2080 kg (4585.62 lbs.) |
| Max load | 639 kg (1408.75 lbs.) |
| Trunk (boot) space – minimum | 525 l (18.54 cu. ft.) |
| Trunk (boot) space – maximum | 1672 l (59.05 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4770 mm (187.8 in.) |
| Width | 1815 mm (71.46 in.) |
| Height | 1470 mm (57.87 in.) |
| Wheelbase | 2770 mm (109.06 in.) |
| Front track | 1591 mm (62.64 in.) |
| Rear (Back) track | 1597 mm (62.87 in.) |
| Minimum turning circle | 10.94 m (35.89 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | Automatic transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Independent coil spring |
| 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; 215/50 R17; 225/45 R18 |
| Wheel rims size | 7.0J x 16; 7.5J x 17; 8.0J x 18 |
Powertrain & Engine Architecture
The heart of the i40 2.0 GDI Automatic is the Hyundai G4NC engine, a 1.999-liter (2.0L) inline-four cylinder gasoline engine. This engine utilizes direct fuel injection (GDI) technology, which improves fuel efficiency and power output compared to traditional port fuel injection systems. The G4NC also features a Double Continuous Variable Valve Timing (D-CVVT) system, optimizing valve timing for enhanced performance across the rev range. The engine produces 177 horsepower at 6500 rpm and 213 Nm (157 lb-ft) of torque at 4700 rpm. The six-speed automatic transmission was a key component, offering smooth shifts and contributing to the car’s overall refinement. While not a dual-clutch transmission, it was well-tuned for everyday driving and provided adequate responsiveness.
Driving Characteristics
The i40 2.0 GDI Automatic offered a comfortable and composed driving experience. Acceleration from 0-60 mph took approximately 9.5 seconds, which was competitive within its class but noticeably slower than models equipped with more powerful engines or manual transmissions. The automatic transmission, while smooth, sometimes felt hesitant during quick overtaking maneuvers. The gear ratios were optimized for fuel efficiency rather than outright performance. The suspension provided a good balance between ride comfort and handling, absorbing bumps effectively while maintaining reasonable body control. Steering feel was light and precise, making it easy to maneuver in urban environments.
Equipment & Trim Levels
The i40 2.0 GDI Automatic typically came standard with features such as air conditioning, power windows and locks, a six-speaker audio system, and Bluetooth connectivity. Higher trim levels added features like leather upholstery, a sunroof, a navigation system, and automatic climate control. Interior materials were generally of good quality, and the cabin offered ample space for passengers and cargo. The trunk offered a generous 18.54 cubic feet of space, expandable to 59.05 cubic feet with the rear seats folded down.
Chassis & Braking
The i40 Sedan utilized a front-wheel-drive layout with an independent McPherson strut suspension in the front and an independent coil spring suspension in the rear. This setup provided a comfortable ride and predictable handling. Braking duties were handled by ventilated discs in the front and solid discs in the rear, equipped with an Anti-lock Braking System (ABS). The braking system provided adequate stopping power for everyday driving conditions. The electric power steering offered a light and easy steering experience, contributing to the car’s overall ease of use.
Market Reception & Comparison
The Hyundai i40 Sedan 2.0 GDI Automatic was generally well-received by automotive critics. It was praised for its stylish design, comfortable interior, and generous features list. However, some reviewers noted that the engine lacked the punch of some of its competitors, and the automatic transmission could be slow to respond at times. Compared to the base 1.6L engine option, the 2.0 GDI offered a significant performance upgrade. Compared to the more powerful 2.4L engine available in some markets, the 2.0 GDI provided a better balance of fuel economy and performance. Fuel economy figures averaged around 31.4 US mpg combined, making it a relatively efficient option in its class.
Legacy
The Hyundai i40, while discontinued in many markets, remains a popular choice in the used car market. The 2.0 GDI engine, when properly maintained, has proven to be relatively reliable. However, like many direct-injection engines, it can be susceptible to carbon buildup on the intake valves, which can lead to reduced performance over time. Regular oil changes and the use of quality fuel are essential for maintaining the engine’s longevity. The i40’s comfortable ride, spacious interior, and reasonable running costs continue to make it an attractive option for buyers seeking a practical and affordable mid-size sedan.


