The 3.6-liter V6 Porsche M46.20 engine was produced by a German company from 2009 to 2013 and was installed on the basic modifications of the first generation Panamera 970 before restyling. There was a version of the unit for all-wheel drive models with its own index M46.40.
M46 family: M46.20, MCT.MA, MCX.ZA, MCT.LA.
Specifications
| Production years | 2009-2013 |
| Displacement, cc | 3605 |
| Fuel system | direct injection |
| Power output, hp | 300 |
| Torque output, Nm | 400 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 96 |
| Piston stroke, mm | 83 |
| Compression ratio | 12.5 |
| Features | VarioCam Plus |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on the intake shafts |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 9.0 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Porsche Panamera 2010) — city — highway — combined |
13.1 7.1 9.3 |
| Engine lifespan, km | ~240 000 |
| Weight, kg | 185 |
The engine was installed on:
- Porsche Panamera 1 (970) in 2009 – 2013.
Disadvantages of the Porsche M46.20 engine
- This unit is based on the M48 series V8 and is also prone to scuffing.
- He was also affected by a problem with defective phase shifters on the intake shafts.
- Plastic pipes in the cooling system regularly crack and the tank bursts.
- The direct injection system delivers a lot of trouble: soot on the valves, failure of the injection pump.
- The weak points of the motor include ignition coils, a pump in the tank and a water pump.
Frequently asked questions about the Porsche M46.20
How much power does the Porsche M46.20 make?
The Porsche M46.20 develops 300 hp and 400 Nm of torque.
How much oil does the Porsche M46.20 take and which one?
Engine oil capacity: 9.0 liters. Recommended oil: 5W-30.
Does the Porsche M46.20 have a timing belt or chain?
The Porsche M46.20 uses a timing chain.
Is the Porsche M46.20 turbocharged?
No, the Porsche M46.20 is naturally aspirated.
Does the Porsche M46.20 need valve clearance adjustment?
No, the Porsche M46.20 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Porsche M46.20 last?
The typical lifespan of the Porsche M46.20 is ~240 000 km with proper maintenance.
What is the fuel consumption of the Porsche M46.20?
Porsche Panamera 2010: city 13.1, highway 7.1, combined 9.3 L/100 km.
What cars was the Porsche M46.20 installed on?
Porsche Panamera 1 (970) in 2009 - 2013.
What are the common problems of the Porsche M46.20?
This unit is based on the M48 series V8 and is also prone to scuffing. He was also affected by a problem with defective phase shifters on the intake shafts. All known problems.
