These are standard specifications for the 1978 Porsche 928, not necessarily specifications for the vehicle(s) in the photo(s).
Transmission:
5 Manual , 3 Automatic
Information provided by NHTSA
Data updated January 2023
Features
| Engine Location : | Front |
| Drive Type : | Rear Wheel |
| Body / Chassis : | Steel Monocoque |
| Production Years for Series : | 1977 - 1995 |
| Price : | $28,500 |
| Weight : | 3145 lbs | 1426.548 kg |
Performance
| 0-60 mph : | 8.3 seconds. |
| Top Speed : | 138 mph | 222.042 km/h |
Engine & Transmission
| V 8 90-degree | Vee-Type | |
|---|---|
| Displacement : | 4474 cc | 273.0 cu in. | 4.5 L. |
| Power : | 219.00 SAE @ 5250 RPM |
| Torque : | 254 Ft-Lbs (344 NM) @ 3600 RPM |
| Bore : | 3.7 in | 95 mm. |
| Stroke : | 3.1 in | 79 mm. |
| Compression : | 8.5:1 |
| Construction : | Aluminum block and head |
| Ignition system : | Bosch K-Jetronic fuel inject |
5 Manual , 3 Automatic
Production Figures
| Total Porsche Production for 1978 : | 36,879 |
| Total 1978 928 production : | 1,535 |
| 1978 Porsche 928 | |
Dimension(s)
Coupe
| Doors : | 2 |
| Exterior | |
|---|---|
| Length : | 175.7 in | 4463 mm. |
| Height : | 51.7 in | 1313 mm. |
| Wheelbase : | 98.3 in | 2497 mm. |
| Front Track : | 60.8 in | 1544 mm. |
| Rear Track : | 59.6 in | 1514 mm. |
Handling
| Suspension | |
|---|---|
| Front : Upper A-arms with lower trailing arms, coil springs and anti-roll bar Rear : Upper transverse links with lower trailing arms, coil springs and anti-roll bar | |
| Steering | |
|---|---|
| Rack and Pinion |
| Tires / Wheels | |
|---|---|
| Tires : | 225/50VR16 |
Recall
| Component | EQUIPMENT:OTHER:LABELS |
|---|---|
| Manufacturer | PORSCHE CARS N.A. INC. |
| NHTSA Campaign ID | 78V182000 |
| Summary | CERTIFICATION LABELS INSTALLED IN THE INVOLVED VEHICLES MAY NOT INCLUDE THE DATE OF VEHICLE MANUFACTURE, AS REQUIRED BY FEDERAL REGULATIONS. |
| Remedy | DEALER WILL INSTALL THE CORRECT CERTIFICATION LABEL WITHOUT CHARGE TO OWNER. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: EQUIPMENT; CERTIFICATION LABELS.CONSEQUENCES OF DEFECT: KNOWING THE DATE OF MANUFACTURE MAY BE USEFUL INDETERMINING WHETHER A VEHICLE IS INCLUDED IN FUTURE SAFETY-RELATED RECALLCAMPAIGNS. |
| Component | PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE |
|---|---|
| Manufacturer | PORSCHE CARS N.A. INC. |
| Mfr Report Date | 19770601 |
| NHTSA Campaign ID | 78V122000 |
| Summary | THE EMERGENCY BRAKE CABLE MAY HAVE BEEN IMPROPERLY ROUTED DURING ASSEMBLY. CONSEQUENTLY, THE CABLE COULD CHAFE AGAINST THE BRAKE LINE OR BRAKE HOSE BRACKETS. CHAFING COULD LEAD TO DAMAGE TO THE EMERGENY BRAKE CABLE. |
| Remedy | THE DEALER WILL REROUTE THE EMERGENCY BRAKE CABLE WITHOUT CHARGE TO OWNER. . |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: SERVICE BRAKES; EMERGENCY BRAKE CABLE.CONSEQUENCES OF DEFECT: BRAKING EFFECTIVENESS COULD BE IMPAIRED AND AN ACCIDENTCOULD RESULT. |
| Component | SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS |
|---|---|
| Manufacturer | PORSCHE CARS N.A. INC. |
| Mfr Report Date | 19770601 |
| NHTSA Campaign ID | 78V123000 |
| Summary | THE EXISTING BRAKE HOSES MAY HAVE BEEN TWISTED DURING ASSEMBLY. CONSEQUENTLY, THE HOSE COULD CHAFE AGAINST THE EMERGENCY BRAKE CABLE. PROLONGED CHAFING COULD RESULT IN LOSS OF BRAKE FLUID, THUS AFFECTING REAR BRAKES. |
| Remedy | THE DEALER WILL REROUTE THE REAR BRAKE HOSE, IF NECESSARY, WITHOUT CHARGE TO OWNER. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: SERVICE BRAKES; REAR BRAKE HOSES.CONSEQUENCES OF DEFECT: LOSS OF BRAKING EFFECTIVENESS AND, POSSIBLY, ANACCIDENT COULD OCCUR. |
| Component | STRUCTURE:BODY |
|---|---|
| Manufacturer | PORSCHE CARS N.A. INC. |
| Mfr Report Date | 19770601 |
| NHTSA Campaign ID | 78V124000 |
| Summary | THE ROOF MOLDINGS ON EACH SIDE OF THE VEHICLE ARE NOT SECURELY FASTENED. |
| Remedy | THE DEALER WILL SECURE BOTH LEFT AND RIGHT ROOF MOLDINGS WITH ADDITIONAL SCREWS ON ALL INVOLVED VEHICLES, FREE OF CHARGE. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: STRUCTURE; ROOF MOLDINGS.CONSEQUENCES OF DEFECT: LOSS OF ROOF MOLDINGS WHILE DRIVING COULD CREATE ANOBSTACLE FOR ONCOMING VEHICLES AND AN ACCIDENT COULD RESULT. |
| Component | SUSPENSION:FRONT |
|---|---|
| Manufacturer | PORSCHE CARS N.A. INC. |
| Mfr Report Date | 19770601 |
| NHTSA Campaign ID | 78V121000 |
| Summary | THE FRONT AXLE CASTER AND CAMBER ADJUSTERS COULD CRACK DUE TO IMPROPER MANUFACTURE. SHOULD THIS HAPPEN, THE ADJUSTERS COULD LOOSEN AND CAUSE WHEEL MISALIGNMENT. ALSO, THE TIRE ON EITHER THE LEFT OR RIGHT SIDE COULD EXPERIENCE EXTENSIVE WEAR. |
| Remedy | THE DEALER WILL REPLACE THE CASTER AND CAMBER ADJUSTERS WITHOUT CHARGE TO OWNER. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: SUSPENSION; FRONT AXLE CASTER AND CAMBER ADJUSTERS.CONSEQUENCES OF DEFECT: LOSS OF VEHICLE CONTROL AND AN ACCIDENT COULD RESULT. |
| Component | STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM |
|---|---|
| Manufacturer | PORSCHE CARS N.A. INC. |
| Mfr Report Date | 19770801 |
| NHTSA Campaign ID | 78V119000 |
| Summary | BOTH THE LEFT AND RIGHT STEERING ARM ARE ATTACHED TO THE FRONT AXLE KNUCKLE WITH TWO FASTENING BOLTS. THESE BOLTS ARE BEVELED BELOW THE HEX HEAD TO FIT INTO THE CHAMFERED HOLES IN THE STEERING ARM FOR PROPER FASTENING. THE CHAMFERING IN THESE STEERING ARM HOLES WAS OMITTED DURING MANUFACTURE. SHOULD THE BOLTS LOOSEN, THE STEERING ARM COULD BECOME LOOSE. |
| Remedy | THE DEALER WILL CORRECT THE DEFECT BY CHAMFERING THE HOLES. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: STEERING; STEERING ARM.CONSEQUENCES OF DEFECT: A LOOSE STEERING ARM COULD RESULT IN LOSS OF STEERINGCONTROL AND AN ACCIDENT. |
| Component | VEHICLE SPEED CONTROL |
|---|---|
| Manufacturer | PORSCHE CARS N.A. INC. |
| Mfr Report Date | 19770801 |
| NHTSA Campaign ID | 78V120000 |
| Summary | THE ELECTRICAL CONTACT POINTS INSIDE THE STEERING COLUMN SPEED CONTROL SWITCH MAY HAVE BEEN IMPROPERLY MANUFACTURED. AS A RESULT, 'STICKING' COULD OCCUR AND CAUSE THE SPEED CONTROL SYSTEM TO STOP FUNCTIONING. |
| Remedy | THE DEALER WILL REPLACE THE SPEED CONTROL SWITCH, IF NECESSARY, FREE OF CHARGE. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: EQUIPMENT; SPEED CONTROL SWITCH.CONSEQUENCES OF DEFECT: AN INOPERATIVE SPEED CONTROL SYSTEM MAY ALLOW THEVEHICLE SPEED TO CHANGE SUDDENLY WITHOUT PRIOR WARNING. LOSS OF VEHICLE CONTROLAND AN ACCIDENT COULD OCCUR. |
| Component | STEERING: STEERING WHEEL/HANDLE BAR |
|---|---|
| Manufacturer | PORSCHE CARS N.A. INC. |
| Mfr Report Date | 19771201 |
| NHTSA Campaign ID | 82V048000 |
| Summary | ON THE INVOLVED VEHICLES, THE UNIVERSAL JOINT WHICH CONNECTS THE STEERING SHAFT TO THE STEERING RACK MAY HAVE BEEN IMPROPERLY POSITIONED DURING ASSEMBLY. IF VEHICLE IS DRIVEN ON POOR ROADS FOR AN EXTENDED PERIOD OF TIME, THE CONNECTION BETWEEN THE STEERING SHAFT AND UNIVERSAL JOINT COULD LOOSEN AND CAUSE EXCESSIVE STEERING WHEEL FREE PLAY. |
| Remedy | DEALER WILL INSPECT AND REPOSITION THE UNIVERSAL JOINT CONNECTION AT NO COST TO OWNER. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: STEERING; UNIVERSAL JOINT.CONSEQUENCES OF DEFECT: THIS CONDITION COULD RESULT IN LOSS OF VEHICLE CONTROLAND AN ACCIDENT. |
| Component | EQUIPMENT:OTHER:LABELS |
|---|---|
| Manufacturer | PORSCHE CARS N.A. INC. |
| Mfr Report Date | 19780501 |
| NHTSA Campaign ID | 78V217000 |
| Summary | THE SYMBOL IDENTIFYING THE LIGHT SWITCH ON THE INVOLVED VEHICLES DOES NOT MEET THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 101, 'CONTROL AND DISPLAYS'. |
| Remedy | OWNER WILL BE SENT THE CORRECT SYMBOL FOR SELF INSTALLATION OR INSTALLATION BY THE DEALER. |
| Notes | VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: ELECTRICAL; HEADLAMP SWITCH.CONSEQUENCES OF DEFECT: USE OF THE EUROPEAN SYMBOL INSTEAD OF THE CORRECTAMERICAN VERSION MAY BE CONFUSING TO THE DRIVER. THIS WOULD CREATE A SAFETYHAZARD. |
Data updated January 2023
1978 Averages
| Avg. Household Income : | $17,000 |
| Avg. Home : | $54,800 |
| Avg. Gallon of Gas : | $0.63 |
Popular frequently asked questions include:
What are the dimension and mechanical specifications of the 1978 Porsche 928?
Q: How fast is the 1978 Porsche 928? A: The 1978 Porsche 928 has a top speed of 138 mph. Q: What is the wheelbase size of the 1978 Porsche 928? A: The 1978 Porsche 928 has a wheelbase size of 98.30 inches.Q: What is the length of the 1978 Porsche 928? A: The 1978 Porsche 928 has a length of 175.70 inches.Q: How much did the 1978 Porsche 928 cost when new?A: The 1978 Porsche 928 had a base price of approximately $28,500 (USD).Q: What is the bodystyle of the 1978 Porsche 928? A: The 1978 Porsche 928 was a Coupe.Q: What tires did the 1978 Porsche 928 have? A: The 1978 Porsche 928 had 225/50VR16 tires.Q: How many vehicles did Porsche produce in 1978? A: Porsche produced 36,879 automobiles in 1978.Q: How many 1978 928s were produced? A: Porsche produced 1,535 examples of the 928 in 1978.Q: What engine did the 1978 Porsche 928 have? A: The engine powering the 1978 Porsche 928 was a V 8Vee-Type (4474 cc | 273.0 cu in. | 4.5 L.) with 219.00 SAE @ 5250 RPM and 254 Ft-Lbs (344 NM) @ 3600 RPM. Q: What transmissions did the 1978 Porsche 928 have? A: The 1978 Porsche 928 had the following gearbox options: 5 speed Manual, 3 speed Automatic.