Hyundai i10 / i20 1.2L G4LA non vvti Engine
R16,500.00
The Hyundai G4LA (non-VVT) is a 1.2-litre, 4-cylinder petrol engine from the Kappa family. Introduced around 2008, this specific version lacks the Variable Valve Timing (VVT) found in later “Dual CVVT” models, making it a simpler, highly reliable choice for the first-generation Hyundai i10 and i20.
Technical Specifications
The G4LA is a compact, lightweight engine designed specifically for city driving and high fuel efficiency.
| Feature | Specification |
|---|---|
| Displacement | 1,248 cc (1.2L) |
| Configuration | Inline 4-cylinder, 16-valve DOHC |
| Power Output | 57 kW (77 hp) to 59 kW (80 hp) @ 6,000 rpm |
| Maximum Torque | 118 Nm @ 4,000 rpm |
| Bore x Stroke | 71.0 mm x 78.8 mm |
| Compression Ratio | 10.5:1 |
Key Design Features
- Timing System: It uses a timing chain rather than a belt. This is a major advantage for maintenance, as the chain is designed to last the life of the engine, provided oil changes are done on time.
- Construction: Both the cylinder block and head are made of aluminium alloy, which helps keep the front-end weight of the i10 and i20 low for better handling.
- Offset Crankshaft: The crankshaft is slightly offset from the cylinder centreline. This reduces friction between the piston and the cylinder wall, improving fuel economy and reducing noise.
- Simplicity: Without VVT (Variable Valve Timing) solenoids and phasers, there are fewer electronic components to fail as the engine ages.
Common Vehicle Applications
- Hyundai i10 (PA): 2008–2011 (Pre-facelift models).
- Hyundai i20 (PB): 2008–2012 (Early European and Indian spec).
Maintenance & Known Issues
- Oil Grade: It strictly requires 5W-30 or 10W-40 synthetic oil. Using poor quality oil can cause the hydraulic tensioner for the timing chain to stick, leading to “chain rattle.”
- Spark Plugs: Usually requires replacement every 40,000 km. Access is easy as they sit directly under the top plastic cover.
- Tappet Noise: Because it lacks VVT, the valvetrain is very simple, but high-mileage units can develop a slight “ticking” if oil sludge builds up in the lifters.
- Cooling: Like most small aluminium engines, it does not tolerate overheating. Ensure the electric radiator fan is kicking in correctly, as a warped head on these is expensive to skim.