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Maintenance Schedules API
factory intervals for 35,000+ vehicles, with what is due at your mileage
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Labor Times
flat-rate hours by vehicle and job
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Torque Specs
fastener specs by engine
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Fluid Specs
capacities and OEM approvals
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Battery Specs
group size, CCA, cross-references
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Filter Specs
oil, air and cabin filter part numbers
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Wiper Specs
blade sizes and part numbers
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DTC Codes
generic and make-specific trouble codes
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VIN Decode
pass a VIN to any endpoint
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NEW
Maintenance Schedules API
factory intervals for 35,000+ vehicles, with what is due at your mileage
◆
Labor Times
flat-rate hours by vehicle and job
◆
Torque Specs
fastener specs by engine
◆
Fluid Specs
capacities and OEM approvals
◆
Battery Specs
group size, CCA, cross-references
◆
Filter Specs
oil, air and cabin filter part numbers
◆
Wiper Specs
blade sizes and part numbers
◆
DTC Codes
generic and make-specific trouble codes
◆
VIN Decode
pass a VIN to any endpoint
◆
Get a free API key
30 seconds, no card
◆
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← Porsche
Porsche 928S4
3 generations · 3 engine options · data across all years of the 928S4 platform.
1,463
Labor times
432
Torque specs
0
DTC codes
0
Repair procedures
24
Fluid specs
0
Open recalls
5-Year Cost of Ownership · 1989 5.0L V8
$11,322
~$2,264/yr maintenance labor at $150/hr. Other engines/years vary — pick a generation below to see its breakdown.
Generations & engine options
1989
1 engine option
5.0L V8
1989 Porsche 928S4 5.0L V8
RWD
1988
1 engine option
5.0L V8
1988 Porsche 928S4 5.0L V8
RWD
1987
1 engine option
5.0L V8
1987 Porsche 928S4 5.0L V8
RWD
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