The Hyundai i40 Sedan 1.6 GDI, produced from 2011 to 2015, represented Hyundai’s entry into the competitive mid-size sedan segment, specifically targeting the European and Asian markets. Positioned as a more affordable and practical alternative to established rivals like the Ford Mondeo and Volkswagen Passat, the i40 aimed to deliver a blend of comfort, fuel efficiency, and modern features. The 1.6 GDI variant, generating 135 horsepower, served as a key volume seller, offering a balance between performance and economy for everyday driving. It was part of the broader i40 range, which also included diesel engine options and, in some markets, a wagon (Tourer) body style.
Technical Specifications
| Brand | Hyundai |
| Model | i40 |
| Generation | i40 Sedan |
| Type (Engine) | 1.6 GDI (135 Hp) |
| Start of production | 2011 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8 l/100 km (29.4 US mpg) |
| Fuel consumption (extra urban) | 5.4 l/100 km (43.6 US mpg) |
| Fuel consumption (combined) | 6.4 l/100 km (36.8 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 11.3 sec |
| Acceleration 0 – 62 mph | 11.3 sec |
| Acceleration 0 – 60 mph | 10.7 sec |
| Maximum speed | 197 km/h (122.41 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 10.3 kg/Hp |
| Weight-to-torque ratio | 8.5 kg/Nm |
| Power | 135 Hp @ 6300 rpm |
| Torque | 164 Nm @ 3850 rpm (120.96 lb.-ft. @ 3850 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | G4FD |
| Engine displacement | 1591 cm3 (97.09 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 77 mm (3.03 in.) |
| Piston Stroke | 85.44 mm (3.36 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | D-CVVT |
| Engine oil capacity | 3.6 l (3.8 US qt | 3.17 UK qt) |
| Coolant | 6.8 l (7.19 US qt | 5.98 UK qt) |
| Kerb Weight | 1395 kg (3075.45 lbs.) |
| Max. weight | 2030 kg (4475.38 lbs.) |
| Max load | 635 kg (1399.94 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 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 |
| 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 1.6 GDI is the Hyundai G4FD engine, a 1.6-liter 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 G4FD also features Hyundai’s Dual Continuous Variable Valve Timing (D-CVVT) system, optimizing valve timing for improved performance across the engine’s operating range. The engine produces 135 horsepower at 6,300 rpm and 164 Nm (120.96 lb-ft) of torque at 3,850 rpm. The engine’s relatively high compression ratio of 11:1 contributes to its efficiency. The 1.6 GDI was typically paired with a six-speed manual transmission, although a six-speed automatic transmission was also available, impacting acceleration slightly.
Driving Characteristics
The i40 1.6 GDI with the manual transmission offered adequate performance for daily commuting and highway driving. Acceleration from 0 to 60 mph took around 10.7 seconds, and top speed was approximately 122 mph. The engine felt responsive enough in most situations, but it wasn’t particularly powerful. The automatic transmission, while providing convenience, resulted in slightly slower acceleration due to torque converter losses. Gear ratios were tuned for fuel economy rather than outright performance. Compared to the more powerful 1.7 CRDi diesel or the larger 2.0-liter gasoline engines available in the i40 range, the 1.6 GDI prioritized fuel efficiency and affordability over sporty driving dynamics. The suspension provided a comfortable ride, but handling wasn’t as sharp as some of its European competitors.
Equipment & Trim Levels
The i40 1.6 GDI typically came with a reasonable level of standard equipment. Base models included air conditioning, power windows, central locking, and a basic audio system. Higher trim levels, such as Style or Premium, added features like alloy wheels, a touchscreen infotainment system, Bluetooth connectivity, rear parking sensors, and automatic climate control. Interior upholstery was typically cloth, with leather options available on higher trims. Optional extras included a panoramic sunroof, navigation system, and heated seats. The dashboard layout was functional and user-friendly, with a focus on ergonomics.
Chassis & Braking
The i40 Sedan utilized a front-wheel-drive layout with an independent McPherson strut suspension at the front and an independent coil spring suspension at the rear. This setup provided a good balance between ride comfort and handling. Front brakes were ventilated discs, while rear brakes were solid discs. Anti-lock Braking System (ABS) was standard. The i40’s chassis was designed to provide a stable and predictable driving experience. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The steering was electrically assisted, providing light and precise control.
Market Reception & Comparison
The Hyundai i40 1.6 GDI was generally well-received by automotive critics. It was praised for its spacious interior, comfortable ride, and good value for money. However, some reviewers noted that the engine lacked outright power and that the handling wasn’t as engaging as some of its rivals. Fuel economy was a strong point, with the 1.6 GDI achieving around 36.8 US mpg in combined driving. Compared to the diesel variants, the 1.6 GDI offered lower running costs in terms of fuel, but the diesel engines provided significantly more torque and better fuel economy overall. Compared to the larger 2.0-liter gasoline engine, the 1.6 GDI was more affordable and fuel-efficient, but it offered less performance.
Legacy
The Hyundai i40 1.6 GDI has proven to be a relatively reliable vehicle in the used car market. The G4FD engine is generally considered to be durable, although regular maintenance is essential. Common issues include occasional problems with the fuel injectors and the D-CVVT system. The six-speed automatic transmission has also been known to experience occasional issues. Overall, the i40 1.6 GDI represents a solid and practical choice for buyers looking for an affordable and fuel-efficient mid-size sedan. Its blend of comfort, features, and reliability has ensured its continued popularity in the used car market.
