The 1.8-liter Suzuki M18A engine was assembled at the company’s plant in Japan from 2001 to 2007 and installed on Aerio for the Asian and Australian markets, and then it was produced in China for a couple of years. Such a power unit is quite often used for swap instead of the M13A or M16A motor.
M-series family: M13A, M15A, M16A, M18A.
Specifications
| Production years | 2001-2007 |
| Displacement, cc | 1796 |
| Fuel system | injector |
| Power output, hp | 125 |
| Torque output, Nm | 170 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 83 |
| Compression ratio | 9.6 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | at the intake |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Suzuki Aerio 2005) — city — highway — combined |
10.5 7.1 8.3 |
| Engine lifespan, km | ~350 000 |
| Weight, kg | 102 (without attachments) |
The engine was installed on:
- Suzuki Aerio 1 (ER) in 2001 – 2007;
- Suzuki Liana 1 (ER) in 2004 – 2007.
Disadvantages of the Suzuki M18A engine
- Most often, car owners with such an engine complain about high lubricant consumption.
- The motor overheats quite quickly and at the same time often breaks through the cylinder head gasket.
- The reason for floating engine speeds is usually a dirty throttle or EGR valve.
- Other weaknesses of the unit include short-lived supports and problematic sensors.
- At high mileage, liners can sag and antifreeze will mix with oil.
Frequently asked questions about the Suzuki M18A
How much power does the Suzuki M18A make?
The Suzuki M18A develops 125 hp and 170 Nm of torque.
How much oil does the Suzuki M18A take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Suzuki M18A have a timing belt or chain?
The Suzuki M18A uses a timing chain.
Is the Suzuki M18A turbocharged?
No, the Suzuki M18A is naturally aspirated.
Does the Suzuki M18A need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Suzuki M18A last?
The typical lifespan of the Suzuki M18A is ~350 000 km with proper maintenance.
What is the fuel consumption of the Suzuki M18A?
Suzuki Aerio 2005: city 10.5, highway 7.1, combined 8.3 L/100 km.
What cars was the Suzuki M18A installed on?
Suzuki Aerio 1 (ER) in 2001 - 2007; Suzuki Liana 1 (ER) in 2004 - 2007.
What are the common problems of the Suzuki M18A?
Most often, car owners with such an engine complain about high lubricant consumption. The motor overheats quite quickly and at the same time often breaks through the cylinder head gasket. All known problems.
