What is the MPG of a 1988 Porsche 928?

The 1988 Porsche 928 has an EPA estimated city efficiency of 14 - 15 MPG and an estimated highway efficiency of 20 - 21 MPG.

What is the fuse box diagram for the 1988 Porsche 928?

Fuse box diagrams for the 1988 Porsche 928 can be found here

What is the annual fuel cost for the 1988 Porsche 928?

EPA estimated annual fuel cost for the 1988 Porsche 928 is $4150.

Where is the 1988 Porsche 928 produced?

The 1988 Porsche 928 is produced in Stuttgart -, Germany.

Porsche 928 1988

Vehicle Details: Fuel Economy, Emissions, Service Bulletins

Below you will find all available information on the 1988 Porsche 928, manufacturered by Dr. Ing. H.c.f. Porsche Ag.
The vehicle is described as a Rear-Wheel Drive Minicompact Cars .

Manufacturer	Known WMI(s)	Fuel Type
Porsche	WP0	Premium
City MPG	Highway MPG	CO2 emissions
14 - 15 MPG	20 - 21 MPG	555.43 g/mile

Porsche VIN Decoder

Use the box here to look up VINs from Porsche as well as other manufacturers

Sub-models: - 928 S4 -

Frequently Asked Questions

What is the MPG of a 1988 Porsche 928?
- The 1988 Porsche 928 has an EPA estimated city efficiency of 14 - 15 MPG and an estimated highway efficiency of 20 - 21 MPG.
What is the fuse box diagram for the 1988 Porsche 928?
- Fuse box diagrams for the 1988 Porsche 928 can be found here
What is the annual fuel cost for the 1988 Porsche 928?
- EPA estimated annual fuel cost for the 1988 Porsche 928 is $4150.
Where is the 1988 Porsche 928 produced?
- The 1988 Porsche 928 is produced in Stuttgart -, Germany.

NHTSA Mandated Recalls

No recalls could be found for this vehicle. To ensure accuracy and for your safety, do a free VIN recall check here or here [USA] - UK - Canada.

Recalls are also available on the Complaints page

NHTSA Submitted Mechanical & Emissions Details

Automatic 4-spd Rear-Wheel Drive 928 S4

Description	Data
Engine cylinders	8
Engine displacement in liters	5.0
Engine descriptor; see fueleconomy.gov details	(GUZZLER) (FFS)
Transmission	Automatic 4-spd
You save/spend over 5 years compared to an average car ($). savings are positive; a greater amount spent yields a negative number. for dual fuel vehicles, this is the cost savings for gasoline	-11000

Description	Data
Annual petroleum consumption in barrels for fuel type 1	18.5944
City mpg for fuel type 1,	15
Combined mpg for fuel type 1,	16
Engine cylinders	8
Engine displacement in liters	5.0
Drive axle type	Rear-Wheel Drive
EPA model type index	42030
Engine descriptor; see fueleconomy.gov details	(GUZZLER) (FFS)
Annual fuel cost for fuel type 1 ($)	4150
Fuel type with fuel type 1 and fuel type 2 (if applicable)	Premium
Fuel type 1. for single fuel vehicles, this will be the only fuel. for dual fuel vehicles, this will be the conventional fuel.	Premium Gasoline
Highway mpg for fuel type 1,	20
Hatchback luggage volume (cubic feet)	8
Hatchback passenger volume (cubic feet)	74
Vehicle record id	4171
Model name (carline)	928 S4
Has my mpg data; see yourmpgvehicle and yourmpgdrivervehicle	Y
If true, this vehicle operates on a blend of gasoline and electricity in charge depleting mode	false
Transmission	Automatic 4-spd
Unadjusted city mpg for fuel type 1	18.0
Unadjusted highway mpg for fuel type 1	27.0
EPA vehicle size class	Minicompact Cars
You save/spend over 5 years compared to an average car ($). savings are positive; a greater amount spent yields a negative number. for dual fuel vehicles, this is the cost savings for gasoline	-11000
Date the vehicle record was created (iso 8601 format)	Tue Jan 01 00:00:00 EST 2013
Date the vehicle record was last modified (iso 8601 format)	Tue Jan 01 00:00:00 EST 2013

Manual 5-spd Rear-Wheel Drive 928 S4

Description	Data
Engine cylinders	8
Engine displacement in liters	5.0
Engine descriptor; see fueleconomy.gov details	(GUZZLER) (FFS)
Transmission	Manual 5-spd
You save/spend over 5 years compared to an average car ($). savings are positive; a greater amount spent yields a negative number. for dual fuel vehicles, this is the cost savings for gasoline	-11000

Description	Data
Annual petroleum consumption in barrels for fuel type 1	18.5944
City mpg for fuel type 1,	14
Combined mpg for fuel type 1,	16
Engine cylinders	8
Engine displacement in liters	5.0
Drive axle type	Rear-Wheel Drive
EPA model type index	42030
Engine descriptor; see fueleconomy.gov details	(GUZZLER) (FFS)
Annual fuel cost for fuel type 1 ($)	4150
Fuel type with fuel type 1 and fuel type 2 (if applicable)	Premium
Fuel type 1. for single fuel vehicles, this will be the only fuel. for dual fuel vehicles, this will be the conventional fuel.	Premium Gasoline
Highway mpg for fuel type 1,	21
Hatchback luggage volume (cubic feet)	8
Hatchback passenger volume (cubic feet)	74
Vehicle record id	4172
Model name (carline)	928 S4
Has my mpg data; see yourmpgvehicle and yourmpgdrivervehicle	Y
If true, this vehicle operates on a blend of gasoline and electricity in charge depleting mode	false
Transmission	Manual 5-spd
Unadjusted city mpg for fuel type 1	17.0
Unadjusted highway mpg for fuel type 1	29.0
EPA vehicle size class	Minicompact Cars
You save/spend over 5 years compared to an average car ($). savings are positive; a greater amount spent yields a negative number. for dual fuel vehicles, this is the cost savings for gasoline	-11000
Date the vehicle record was created (iso 8601 format)	Tue Jan 01 00:00:00 EST 2013
Date the vehicle record was last modified (iso 8601 format)	Tue Jan 01 00:00:00 EST 2013

Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

PIWIS2302s - EQUIPMENT: Information for piwis tester update 42.300.050 & .052
No. 35-23 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Instructions on manufactures certificate for approved porsche a40 engine oils
No. 33-23 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Instructions on manufactures certificate for approved porsche c30 engine oils
No. 32-23 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Instructions on manufacturers certificate for approved c20 engine oils
PIWIS2302r - EQUIPMENT: Information for piwis tester update 42.300.040 & .041
PIWIS2302q - EQUIPMENT: Information for piwis tester update 42.300.035
PIWIS2302p - EQUIPMENT: Information for piwis tester update 42.300.030 - .032
No. D654 - EQUIPMENT: Parts information for parts withdrawal involving the glass roof - 9j0877069ey and 9j0877069dy
PIWIS2302h - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Special tools and equipment information on piwis tester update 42.250.050
PIWIS2302g - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Information on piwis tester update 42.250.045
PIWIS2302f - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Information on piwis tester update 42.250.042
PIWIS2302e - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Information piwis tester update 42.250.040
PIWIS2302d - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Information on piwis tester update 42.250.032
PIWIS2302C - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Information on piwis tester update 42.250.030
PIWIS2302b - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Information on piwis tester update 42.200.025
PIWIS2302a - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Information on piwis tester update 42.200.020 & .022
No. 2314 - ELECTRICAL SYSTEM: Special tools and equipment information for all porsche models. Diagnostic equipment standards.
No. 19-23 - ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: Manufacturers certificate for an overview of approved porsche a40 engine oils.
No. 18-23 - ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: Manufacturers certificate for an overview of approved porsche c40 engine oils.
No. 17-23 - ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: Manufacturers certificate for an overview of approved porsche c30 engine oils.
No. 16-23 - ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: Manufacturers certificate for an overview of approved porsche c20 engine oils.
PIWIS2301az - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Information on piwis tester update 42.200.000 a?? 42.200.012
No. 2313 - ELECTRICAL SYSTEM: Special tools and equipment information for the pico oscilloscope extended functionality
No. D5 - EQUIPMENT: Parts information for parts withdrawal on the locks made to original key code
No. 14-23 - ENGINE AND ENGINE COOLING: Manufacturers certificate for allocation of approved engine oils
PIWIS2301as - EQUIPMENT: Information for piwis tester update 42.100.000, .010 & .011
PIWIS2301ar - BACK OVER PREVENTION:SOFTWARE: Information for piwis tester updates 42.000.050 & .051
PIWIS2301aq - BACK OVER PREVENTION:SOFTWARE: Information for piwis tester update 42.000.048
PIWIS2301ap - EQUIPMENT: Information for piwis tester update 42.000.040
PIWIS2301ao - EQUIPMENT: Information for piwis tester update 42.000.035
No. 2311 - EQUIPMENT: Special tools information on an upgrade to the pushers for the vas5237
No. 02-23-1 - ENGINE AND ENGINE COOLING: Manufacturers certificate for approved engine c20 engine oils.
No. D4a - EQUIPMENT: Product knowledge for the porsche evolution from 1948-2023.
PIWIS2301k - EQUIPMENT: Information for piwis tester update 41.750.045 & .046
No. 2303 - EQUIPMENT ADAPTIVE/MOBILITY: Special tools information for the pneumatic cartridge gun.
No. 05-23 - ENGINE AND ENGINE COOLING: Overview of approved engine a40 oils for all porsche models that use a40 oil.
No. 04-23 - ENGINE AND ENGINE COOLING: Overview of approved engine c40 oils for all porsche models that use c40 oil.
No. 03-23 - ENGINE AND ENGINE COOLING: Overview of approved engine c30 oils for all porsche models that use c30 oil.
No. 2234 - ELECTRICAL SYSTEM: Instructions on advanced technical information for improper odometer and speedometer function
No. 17D4a - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: The following illustrations are based on the four poster set "evolution porsche 1948-2006".
No. 1758.4 - EQUIPMENT ADAPTIVE/MOBILITY: Special tools information for the logo templates and exchangeable inserts.
PIWIS2202b - EQUIPMENT: Information for piwis tester update 41.500.020 & .022
PIWIS2201au - EQUIPMENT: Information for piwis tester update 41.400.000 & .010.
PIWIS2201at - EQUIPMENT: Information for piwis tester update #41.375.050
PIWIS2201as - EQUIPMENT: Information for piwis tester update #41.375.045.
No. D615 - EQUIPMENT: Parts information for parts withdrawal involving the fuel filler flap
PIWIS2201ar - EQUIPMENT: Information for piwis tester update #41.375.040
No. 1804.1 - EQUIPMENT ADAPTIVE/MOBILITY: Instructions on advanced technical information for the lubricant for the sunroof/sliding roof.
PIWIS2201an - EQUIPMENT: Information for piwis tester update #41.300.000, .010 & .012
No. 33-22 - ENGINE AND ENGINE COOLING: Overview of approved engine c20 engine oils for all porsche models using this oil.
No. 31-22 - ENGINE AND ENGINE COOLING: Overview of approved engine c40 engine oils for all porsche models using this oil.
No. 36-22 - ENGINE AND ENGINE COOLING: Instructions on the manufacturers certificate for approve porsche a40 engine oils.
No. 35-22 - ENGINE AND ENGINE COOLING: Overview of approved engine c30 oils for porsche models using c30 oils.
No. 1801.4 - BRAKES (PWS): Advanced technical information for a brake squeal.
No. 61-21 - ENGINE AND ENGINE COOLING: List of approved engine oils for all porsche models using c40 oil.
No. 73-20 - TIRES: List of approved wheels, tires, and spacers for the 928 model, from model years 1978 to 1995.
No. D13.2 - EQUIPMENT: Information on new piwis tester program for independent repair facilities.
ATIALL41605 - EQUIPMENT: Understanding and addressing brake squeal complaints.
No. 52-21 - ELECTRICAL SYSTEM: Information on how to deal with a potential cyber security breach.
No. D4a - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : Historical information on porsche product evolution.
No. 13-21 - EQUIPMENT: List of approved c20 style engine oils for classic and new porsche models since 1984.
No. 09-21 - ENGINE AND ENGINE COOLING: List of approved a40 style engine oils for new and classic porsche vehicles my 1984 and newer.
No. 08-21 - ENGINE AND ENGINE COOLING: List of approved c40 engine oils for new and classic porsche vehicles my 1984 and newer.
No. 07-21-1 - ENGINE AND ENGINE COOLING: List of approved c30 engine oils for all new and classic porsche vehicles my1984 and newer.
No. 03-21 - ENGINE AND ENGINE COOLING: List of approved c20 engine oils for all new and classic porsche models 1984 and newer.
PIWIS2102j - EQUIPMENT: Information on piwis tester update 40.000.020 & .022.
122-S6Q2R-06 - BRAKES (PWS): Resubmitting at request of mr. Bernard hardgrave. Advanced technical information on brake fluid for all porsche vehicles.
No. 2000 - ENGINE AND ENGINE COOLING: Advanced technical information on a nvh lubrication kit.
Charging lockup - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : Info on a new customer tool for looking up campaigns and recalls on their vehicle.
No. D4a - ELECTRICAL SYSTEM: Document showing the evolution of porsche vehicles since 1948.
PIWIS2001v - EQUIPMENT: Information on new piwis tester update 39.500.020 and .025.
122-Z2X7A-02 - ENGINE AND ENGINE COOLING: List of approved c20 engine oils for all porsche vehicles since 1984.
122-Z3C2E-10 - ELECTRICAL SYSTEM: Announcement of new tech live look, which will put technicians into live chats with technical support if they should have an urgent issue
122-L8R6J-10 - ELECTRICAL SYSTEM: Bulletin highlighting new updates 38.750, 38.750.000 for the porsche piwis tester 3
122-Z6Y7L-09 - ELECTRICAL SYSTEM: Bulletin outlining piwis tester updates 38.600.030 & 035.
122-E4R8U-09 - ELECTRICAL SYSTEM: Bulletin outlining piwis tester updates 38.600.020.
122-B3Y6H-09 - ELECTRICAL SYSTEM: Bulletin outlining piwis tester updates 38.600.000, .010, & .015.
122-E5S5K-03 - ENGINE AND ENGINE COOLING:COOLING SYSTEM: Replacing air-conditioning compressor during repairs. If a faulty air-conditioning compressor needs to be replaced, an air-conditioning compressor of similar design is available. The fastening points are not the same as on the standard a
PK-D8-16 - UNKNOWN OR OTHER: Porsche: information on how to read the vin. *rm
0302 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE: Intake manifold tuning flap out of alignment or seized due to worn out bushings. *tt
GRP4/9310 - SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS: Brake vibration damper application - new damping plate with steel clip. *tw