The 1.6-liter Opel B16XER was produced from 2014 to 2018 for European versions of the Astra J and, in some markets, for the base Mokka. It is a simple naturally aspirated engine with 115 hp and 155 Nm.
B10 family: B12XEL, B14XEL, B14XER, B16XER.
Specifications
| Production years | 2014-2018 |
| Displacement, cc | 1598 |
| Fuel system | distributed injection |
| Power output, hp | 115 |
| Torque output, Nm | 155 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 79 |
| Piston stroke, mm | 81.5 |
| Compression ratio | 10.8 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | DCVCP |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.5 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Opel Mokka 2015) — city — highway — combined |
8.8 5.8 6.9 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 115 |
The engine was installed on:
- Opel Astra J (P10) in 2014 – 2018;
- Opel Mokka A (J13) in 2014 – 2018.
Disadvantages of the Opel B16XER engine
- A simple engine with a cast-iron block and a long service life;
- Regular oil leaks from gaskets and seals are the main problem; leaks from the heat exchanger and oil pump gaskets are especially dangerous;
- The single ignition coil module often fails before 80,000-100,000 km;
- The thermostat, crankcase ventilation membrane and purge valve are replaced often.
Frequently asked questions about the Opel B16XER
How much power does the Opel B16XER make?
The Opel B16XER develops 115 hp and 155 Nm of torque.
How much oil does the Opel B16XER take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Opel B16XER have a timing belt or chain?
The Opel B16XER uses a timing chain.
Is the Opel B16XER turbocharged?
No, the Opel B16XER is naturally aspirated.
Does the Opel B16XER 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 Opel B16XER last?
The typical lifespan of the Opel B16XER is ~300 000 km with proper maintenance.
What is the fuel consumption of the Opel B16XER?
Opel Mokka 2015: city 8.8, highway 5.8, combined 6.9 L/100 km.
What cars was the Opel B16XER installed on?
Opel Astra J (P10) in 2014 - 2018; Opel Mokka A (J13) in 2014 - 2018.
What are the common problems of the Opel B16XER?
A simple engine with a cast-iron block and a long service life. Regular oil leaks from gaskets and seals are the main problem; leaks from the heat exchanger and oil pump gaskets are especially dangerous. All known problems.
