The Hyundai i40 Sedan, specifically the facelifted version introduced in 2015, represented Hyundai’s continued push into the mid-size sedan segment. Positioned as a competitor to established players like the Toyota Camry, Honda Accord, and Ford Fusion, the i40 aimed to offer a compelling blend of style, features, and value. The 2.0 GDI (Gasoline Direct Injection) variant, producing 165 horsepower, was a key offering within the i40 lineup, serving as a mid-range option between the base engine and potentially more expensive trim levels. Production of this specific configuration ran from 2015 to 2018, primarily targeting markets outside of North America where the i40 was more readily available.
Technical Specifications
| Brand | Hyundai |
| Model | i40 |
| Generation | i40 Sedan (facelift 2015) |
| Type (Engine) | 2.0 GDI (165 Hp) |
| Start of production | 2015 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 9.4-9.7 l/100 km (25 – 24.2 US mpg) |
| Fuel consumption (extra urban) | 5.8-6.2 l/100 km (40.6 – 37.9 US mpg) |
| Fuel consumption (combined) | 7.1-7.5 l/100 km (33.1 – 31.4 US mpg) |
| CO2 emissions | 165-175 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.8 sec |
| Acceleration 0 – 62 mph | 9.8 sec |
| Acceleration 0 – 60 mph | 9.3 sec |
| Maximum speed | 212 km/h (131.73 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 8.8 kg/Hp, 113.9 Hp/tonne |
| Weight-to-torque ratio | 7.1 kg/Nm, 140.1 Nm/tonne |
| Power | 165 Hp @ 6200 rpm |
| Power per litre | 82.5 Hp/l |
| Torque | 203 Nm @ 4700 rpm (149.73 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 | DOHC |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 7.1 l (7.5 US qt | 6.25 UK qt) |
| Kerb Weight | 1449 kg (3194.5 lbs.) |
| Max. weight | 2020 kg (4453.34 lbs.) |
| Max load | 571 kg (1258.84 lbs.) |
| Trunk (boot) space – minimum | 506 l (17.87 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) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Length | 4775 mm (187.99 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.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Minimum turning circle | 10.94 m (35.89 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 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 |
| 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 this i40 variant is the Hyundai G4NC 2.0-liter inline-four cylinder engine. This engine utilizes Gasoline Direct Injection (GDI) technology, where fuel is injected directly into the combustion chamber, allowing for more precise fuel control and improved efficiency. The G4NC features a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its respectable power output. The engine’s 11.5:1 compression ratio further aids in maximizing performance. The 6-speed manual transmission was standard, offering drivers a direct connection to the engine. This transmission was chosen for its balance of efficiency and driver engagement.
Driving Characteristics
The 165 hp 2.0 GDI engine in the i40 Sedan provided adequate, though not exhilarating, performance. Acceleration from 0-60 mph took around 9.3 seconds, making it competitive within its class. The engine delivered a relatively linear power band, with peak torque of 203 Nm (149.73 lb-ft) available at 4700 rpm. This meant that everyday driving was comfortable, with sufficient power for merging onto highways and overtaking. Compared to the base engine options, the 2.0 GDI offered a noticeable improvement in responsiveness. However, it didn’t possess the outright punch of larger displacement engines found in some competing models. The 6-speed manual transmission allowed for precise gear selection, enhancing the driving experience.
Equipment & Trim Levels
The 2.0 GDI i40 typically came with a solid set of standard features. These generally included air conditioning, power windows and locks, a touchscreen infotainment system with Bluetooth connectivity, and a suite of safety features like ABS, electronic stability control, and multiple airbags. Higher trim levels added features such as leather upholstery, a sunroof, heated front seats, and a more advanced audio system. The interior design was generally considered modern and well-appointed for its price point, with a focus on practicality and comfort.
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 quality, absorbing bumps and imperfections in the road effectively. The braking system consisted of ventilated discs in the front and solid discs in the rear, providing adequate stopping power for everyday driving. ABS (Anti-lock Braking System) was standard, enhancing safety during emergency braking situations.
Market Reception & Comparison
The Hyundai i40 Sedan, and specifically the 2.0 GDI variant, received generally positive reviews from automotive critics. It was praised for its stylish design, spacious interior, and generous feature set for the price. Fuel economy was also a strong point, with combined figures ranging from 31.4 to 33.1 US mpg. Compared to other trims in the i40 lineup, the 2.0 GDI offered a better balance of performance and fuel efficiency than the base engines, while remaining more affordable than potentially available higher-output options. Reliability reports were generally favorable, with the G4NC engine proving to be a relatively durable unit.
Legacy
The Hyundai i40 Sedan, while not a massive sales success in all markets, played a significant role in establishing Hyundai as a credible competitor in the mid-size sedan segment. The 2.0 GDI engine, in particular, proved to be a reliable and efficient powerplant. On the used car market today, i40 Sedans with the 2.0 GDI engine are often sought after for their combination of value, features, and reasonable running costs. Proper maintenance, as with any vehicle, is key to ensuring the long-term reliability of this powertrain. While not without its potential issues (like any used car), the i40 2.0 GDI remains a viable option for buyers seeking a comfortable and practical mid-size sedan.


