The Hyundai i30 II Coupe (facelift 2015) 1.6 GDI (135 Hp) DCT represents a specific configuration within the second generation of Hyundai’s i30 Coupe. Introduced with the 2015 facelift, this variant combined a 1.6-liter gasoline direct injection (GDI) engine producing 135 horsepower with a seven-speed dual-clutch transmission (DCT). Production of this specific trim ran from 2015 to 2017. Positioned as a mid-range offering, it aimed to balance performance and fuel efficiency within the i30 Coupe lineup, appealing to buyers seeking a more engaging driving experience than the base models but without the higher costs associated with the more powerful engine options.
Technical Specifications
| Brand | Hyundai |
| Model | i30 |
| Generation | i30 II Coupe (facelift 2015) |
| Type (Engine) | 1.6 GDI (135 Hp) DCT |
| Start of production | 2015 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 5 |
| Doors | 3 |
| Fuel consumption (urban) | 7.2 l/100 km (32.7 US mpg) |
| Fuel consumption (extra urban) | 4.9 l/100 km (48 US mpg) |
| Fuel consumption (combined) | 5.7 l/100 km (41.3 US mpg) |
| CO2 emissions | 132 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.7 sec |
| Acceleration 0 – 62 mph | 10.7 sec |
| Acceleration 0 – 60 mph | 10.2 sec |
| Maximum speed | 195 km/h (121.17 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 9.1 kg/Hp |
| Weight-to-torque ratio | 7.5 kg/Nm |
| Power | 135 Hp @ 6300 rpm |
| Torque | 164 Nm @ 4850 rpm (120.96 lb.-ft. @ 4850 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.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 3.6 l (3.8 US qt | 3.17 UK qt) |
| Coolant capacity | 6.4 l (6.76 US qt | 5.63 UK qt) |
| Kerb Weight | 1222-1364 kg (2694.05 – 3007.11 lbs.) |
| Max. weight | 1850 kg (4078.55 lbs.) |
| Max load | 486-628 kg (1071.45 – 1384.5 lbs.) |
| Trunk (boot) space – minimum | 378 l (13.35 cu. ft.) |
| Trunk (boot) space – maximum | 1316 l (46.47 cu. ft.) |
| Fuel tank capacity | 53 l (14 US gal | 11.66 UK gal) |
| Max. roof load | 80 kg (176.37 lbs.) |
| Permitted trailer load with brakes (12%) | 1400 kg (3086.47 lbs.) |
| Permitted trailer load without brakes | 600 kg (1322.77 lbs.) |
| Permitted towbar download | 60 kg (132.28 lbs.) |
| Length | 4300 mm (169.29 in.) |
| Width | 1780 mm (70.08 in.) |
| Height | 1465-1470 mm (57.68 – 57.87 in.) |
| Wheelbase | 2650 mm (104.33 in.) |
| Front track | 1563-1569 mm (61.54 – 61.77 in.) |
| Rear (Back) track | 1571-1577 mm (61.85 – 62.09 in.) |
| Front overhang | 880 mm (34.65 in.) |
| Rear overhang | 770 mm (30.31 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Minimum turning circle (turning diameter) | 10.6 m (34.78 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission DCT |
| 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 | 225/45 R17 |
| Wheel rims size | 7.0J x 17 |
Powertrain & Engine Architecture
The heart of this i30 Coupe variant is the Hyundai G4FD 1.6-liter inline-four cylinder engine. This engine utilizes Gasoline Direct Injection (GDI) technology, where fuel is injected directly into the combustion chamber, improving efficiency and power output compared to traditional port fuel injection. The G4FD engine features a dual continuously variable valve timing (CVVT) system, optimizing valve timing for both intake and exhaust to enhance performance across the rev range. The seven-speed dual-clutch transmission (DCT) provides quick and smooth gear changes, contributing to a more responsive driving experience. This DCT, unlike a traditional automatic, uses two separate clutches for odd and even gears, pre-selecting the next gear for faster shifts. The transmission’s programming is tuned for a balance between fuel economy and performance, with a focus on smooth operation during everyday driving.
Driving Characteristics
The 135 hp and 164 Nm (120.96 lb-ft) of torque delivered by the 1.6 GDI engine, coupled with the seven-speed DCT, resulted in a respectable, though not particularly sporty, driving experience. Acceleration from 0 to 60 mph took approximately 10.2 seconds, and the top speed was 195 km/h (121.17 mph). Compared to the more powerful 1.6-liter turbocharged engine option available in the i30 Coupe, this variant felt less urgent in acceleration. However, the DCT provided quicker shifts than a traditional automatic, making the car feel more responsive. The gear ratios were optimized for fuel efficiency, meaning the engine sometimes felt strained during aggressive acceleration or when overtaking. The DCT also offered a manual shift mode, allowing drivers to have more control over gear selection, but it wasn’t as engaging as a traditional manual gearbox.
Equipment & Trim Levels
The 1.6 GDI DCT trim typically included standard features such as air conditioning, power windows, power door locks, a touchscreen infotainment system with Bluetooth connectivity, and alloy wheels. Safety features included ABS, Electronic Stability Control (ESC), and multiple airbags. Optional extras often included a panoramic sunroof, leather upholstery, heated front seats, and a rear parking assist system. The interior generally featured a dark color scheme with cloth upholstery. Dashboard materials were of decent quality for the price point, but not as premium as those found in higher-end trims.
Chassis & Braking
The i30 Coupe utilized a McPherson strut front suspension and a multi-link rear suspension, providing a comfortable ride quality. The suspension was tuned to prioritize comfort over outright handling prowess. Front brakes were ventilated discs, while rear brakes were solid discs. The braking system was adequate for everyday driving, but lacked the stopping power of larger brake systems found on more performance-oriented vehicles. The steering was electrically assisted, providing light and easy steering feel.
Market Reception & Comparison
The Hyundai i30 II Coupe 1.6 GDI DCT was generally well-received by automotive critics as a practical and fuel-efficient coupe. It offered a good balance of features and performance for its price point. Compared to the higher-output turbocharged engine option, the 1.6 GDI DCT was more affordable and offered better fuel economy. However, it lacked the same level of performance. Compared to competitors like the Volkswagen Scirocco or the Peugeot RCZ, the i30 Coupe offered a more spacious interior and a longer warranty, but its styling was considered less distinctive.
Legacy
The Hyundai G4FD engine, in general, has proven to be a relatively reliable powertrain. However, like all GDI engines, it can be susceptible to carbon buildup on the intake valves over time, potentially leading to reduced performance and fuel economy. Regular maintenance, including the use of high-quality fuel and occasional intake valve cleaning, can help mitigate this issue. The DCT transmission is also generally reliable, but requires regular fluid changes to ensure smooth operation. In the used car market, the i30 Coupe 1.6 GDI DCT represents a good value proposition for buyers seeking an affordable and fuel-efficient coupe with a modern feature set. Its relatively low running costs and proven reliability make it a sensible choice for everyday transportation.
