Porsche 4.8 DFI V8: Specs, Engine Codes, ECUs & Maintenance
Porsche · Engine Information · U.S. & Canada
4.8 DFI V8 · Cayenne & PanameraDirect injection and a larger 4.8-litre displacement expanded Porsche’s naturally aspirated V8 range. Cayenne and Panamera versions share the basic architecture, but engine codes, output and Continental DME families differ by application.
Engine & construction
- Code families
- M48.01 / .02 / .20 / .40 · MCX.PA / RA
- Displacement
- 4,806 cc · 90° aluminium V8
- Bore × stroke
- 96.0 × 83.0 mm
- Compression
- 12.5:1
- Valve gear / fuel
- DOHC · 32 valves · DFI · VarioCam Plus
- Oiling
- Integrated dry sump
Output & driveline
- Power range
- 385–440 advertised hp
- Torque range
- 369–384 lb-ft
- Cayenne gearboxes
- 6-speed manual / 6- or 8-speed Tiptronic S, by version
- Panamera gearbox
- 7-speed PDK
- Induction
- Naturally aspirated
Vehicles & model years
| Models | Platform / years | Engine codes | Power / torque |
|---|---|---|---|
| Cayenne S / GTS | 957 · 2008–2010 | M48.01 family | S 385 / 369 · GTS 405 / 369 |
| Cayenne S | 958 · 2011–2014 | M48.02 | 400 hp / 369 lb-ft |
| Cayenne GTS | 958 · 2013–2014 | M48.02 GTS variant | 420 hp / 380 lb-ft |
| Panamera S / 4S | 970 · 2010–2013 | M48.20 / M48.40 | 400 hp / 369 lb-ft |
| Panamera GTS | 970.1 · 2013 | M48.40 variant | 430 hp / 384 lb-ft |
| Panamera GTS | 970.2 · 2014–2016 | MCX.PA / MCX.RA | 440 hp / 384 lb-ft |
Engine controllers
| Application | DME / ECU | Identification details |
|---|---|---|
| 957 Cayenne | Continental SDI4 | Infineon TC1796; identify installed unit. |
| 958 Cayenne | Continental SDI8 | Infineon TC1796; model-specific software. |
| 970 Panamera | Continental SDI6 / SDI6.1 | Infineon TC1796; exact revision depends on build. |
Common issues & maintenance
AH08 / 17V368 covers specified cars. Confirm VIN applicability and documented repair.
WC55 covered certain 2011–2013 Cayenne engines. Check campaign history when investigating oil or running faults.
Persistent noise or oil consumption warrants diagnosis and possible borescope inspection. Cylinder scoring is a condition to check, not a certainty.
Maintain the correct oil level and approval, investigate cooling and oil leaks promptly and inspect ignition components. Service records should identify the exact engine variant, recalls and age-based maintenance.
References
| Cayenne specifications | Porsche 2012 Cayenne technical data |
| Panamera specifications | Porsche 2014 Panamera technical data |
| Camshaft recall | NHTSA 17V368 |
| Canadian recall | Transport Canada 2017296 |
| Oil separator | Porsche WC55 bulletin |
| Cylinder condition | LN Engineering 4.8 bore service |
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