Exact configuration / US market

1981 / MY1981 / Not recorded

Oldsmobile Delta 88260 cu in · Automatic A3 · 49-state · 81FG 393

1981 Oldsmobile Delta 88: 49-state EPA engine and transmission record.

01 / Key facts

Engine displacement262.4 cu inDerived
TransmissionAutomatic A3Verified

Technical specifications

Facts are grouped by system. Expand any row to inspect evidence and its exact source locator.

Identity

3/13
Model year
Not recorded
Market
Not recorded
Body style
Not recorded
Doors
Not recorded
Seating capacity
Not recorded
Chassis / platform code
Not recorded
Factory grade
Not recorded
Manufacturer code
Not recorded
EPA vehicle class
Not recorded
FuelEconomy.gov record
Not recorded
Historical EPA class
LARGE
Verified

1981 EPA historical carline, manufacturer and class dictionary

81CARLIN.DAT:line 6; class code columns 1-2; class name columns 3-26; CARLINE 29025/CLASS 06
EPA sales area
49-state
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; sales area from FG/CG filename; EPA readme lines 37-39
EPA altitude applicability flagsOriginal applicability flags are retained independently; no change in performance is inferred.
Low altitude: Yes; high altitude: No; both altitudes: No
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; ALT-LOW column 2=1; ALT-HIGH column 3=0; ALT-BOTH column 4=0; https://www.epa.gov/sites/default/files/2016-10/readme.txt fields 2-4

Powertrain

5/24
Powertrain layout
Not recorded
Powertrain type
Not recorded
Engine
Not recorded
Engine description
Not recorded
Engine code
Not recorded
Engine position
Not recorded
Cylinders
8
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; NO-CYL columns 44-45
Displacement
262.4 cu in
Derived

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; OPT-DISP columns 76-83; liters converted to cubic centimeters by multiplication by 1000
Bore
Not recorded
Stroke
Not recorded
Compression ratio
Not recorded
Valves
Not recorded
Induction
Not recorded
Fuel delivery
Not recorded
Fuel
Unleaded gasoline
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; FUEL columns 90-91; raw code 6; https://www.epa.gov/sites/default/files/2016-10/readme.txt FUEL definitions
Alternate fuel
Not recorded
Stop-start system
Not recorded
Engine power
Not recorded
Power speed
Not recorded
Engine torque
Not recorded
Torque speed
Not recorded
Redline
Not recorded
Fuel system
Carburetor, 2 venturis
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; FUEL-SYS columns 48-49; EPA readme field definition
EPA engine descriptors
(GM-OLDS) (FFS)
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; ENG-DSRPTR-1/2 columns 148-167; verbatim descriptors

Transmission

2/8
Transmission
Automatic A3
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; MODTRS columns 40-41 (A3); MODTRN column 50 (L); O-D-CODE column 43 (1); EPA readme COMMENT #1
Transmission code
Not recorded
Transmission type
Automatic
Derived

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; MODTRS columns 40-41 (A3); MODTRN column 50 (L); O-D-CODE column 43 (1); EPA readme COMMENT #1; normalized transmission type
EPA transmission descriptor
Not recorded
Forward ratios / speeds
Not recorded
Driven wheels
Not recorded
Differential
Not recorded
Transfer case
Not recorded

Gearing

0/19
1st gear
Not recorded
2nd gear
Not recorded
3rd gear
Not recorded
4th gear
Not recorded
5th gear
Not recorded
6th gear
Not recorded
7th gear
Not recorded
8th gear
Not recorded
9th gear
Not recorded
10th gear
Not recorded
CVT lowest ratio
Not recorded
CVT highest ratio
Not recorded
Reverse
Not recorded
Final drive
Not recorded
Front final drive
Not recorded
Rear final drive
Not recorded
Secondary reduction
Not recorded
Transfer-case high range
Not recorded
Transfer-case low range
Not recorded

Chassis and steering

0/7
Frame / construction
Not recorded
Front suspension
Not recorded
Rear suspension
Not recorded
Steering
Not recorded
Steering ratio
Not recorded
Turns lock-to-lock
Not recorded
Turning circle
Not recorded

Brakes

0/6
Brake system
Not recorded
Front brakes
Not recorded
Rear brakes
Not recorded
Front rotor diameter
Not recorded
Rear rotor diameter
Not recorded
Anti-lock braking
Not recorded

Wheels and tires

0/8
Wheels
Not recorded
Front wheel
Not recorded
Rear wheel
Not recorded
Front tire
Not recorded
Rear tire
Not recorded
Wheel fastener torque
Not recorded
Front cold tire pressure
Not recorded
Rear cold tire pressure
Not recorded

Replacement fitment

0/22
Wheel bolt pattern
Not recorded
Center bore
Not recorded
Front wheel offset
Not recorded
Rear wheel offset
Not recorded
Wheel fastener thread
Not recorded
Spare tire
Not recorded
Driver-side wiper
Not recorded
Passenger-side wiper
Not recorded
Rear wiper
Not recorded
12 V battery specification
Not recorded
12 V battery group / size
Not recorded
Low-beam bulb
Not recorded
High-beam bulb
Not recorded
Fog-lamp bulb
Not recorded
Front turn-signal bulb
Not recorded
Rear turn-signal bulb
Not recorded
Brake-lamp bulb
Not recorded
Reverse-lamp bulb
Not recorded
Engine air-filter fitment
Not recorded
Cabin air-filter fitment
Not recorded
Engine oil-filter fitment
Not recorded
Engine oil drain washer
Not recorded

Dimensions and capacity

0/13
Overall length
Not recorded
Overall width
Not recorded
Overall height
Not recorded
Wheelbase
Not recorded
Front track
Not recorded
Rear track
Not recorded
Ground clearance
Not recorded
Curb weight
Not recorded
Weight distribution
Not recorded
Passenger volume
Not recorded
Cargo volume
Not recorded
Payload
Not recorded
Drag coefficient
Not recorded

Load and utility

0/13
GVWR
Not recorded
Front GAWR
Not recorded
Rear GAWR
Not recorded
GCWR
Not recorded
Maximum trailer weight
Not recorded
Maximum tongue load
Not recorded
Maximum roof load
Not recorded
Cargo-bed length
Not recorded
Cargo-bed width
Not recorded
Cargo-bed depth
Not recorded
Cargo-floor length
Not recorded
Cargo-area width
Not recorded
Cargo-area height
Not recorded

Fluids and capacities

0/16
Fuel tank
Not recorded
Engine oil capacity
Not recorded
Engine oil with filter
Not recorded
Engine oil without filter
Not recorded
Conditional engine oil refill
Not recorded
Coolant capacity
Not recorded
Automatic transmission fluid capacity
Not recorded
CVT fluid capacity
Not recorded
DCT fluid capacity
Not recorded
Manual transmission fluid capacity
Not recorded
Differential oil capacity
Not recorded
Front differential fluid capacity
Not recorded
Rear differential fluid capacity
Not recorded
Transfer-case fluid capacity
Not recorded
A/C refrigerant charge
Not recorded
Washer-fluid capacity
Not recorded

Service specifications

0/17
Minimum fuel octane
Not recorded
Engine oil viscosity
Not recorded
Engine oil specification
Not recorded
Engine oil drain-plug torque
Not recorded
Automatic transmission fluid
Not recorded
CVT fluid
Not recorded
DCT fluid
Not recorded
Manual transmission fluid
Not recorded
Coolant specification
Not recorded
Differential fluid
Not recorded
Transfer-case fluid
Not recorded
Brake fluid
Not recorded
Power-steering fluid
Not recorded
A/C refrigerant type
Not recorded
Spark-plug type
Not recorded
Spark-plug gap
Not recorded
Spark-plug torque
Not recorded

Efficiency

3/9
EPA city
Not recorded
EPA highway
Not recorded
EPA combined
Not recorded
EPA city, alternate fuel
Not recorded
EPA highway, alternate fuel
Not recorded
EPA combined, alternate fuel
Not recorded
Historical EPA city economyOriginal 1981 EPA guide methodology; values are not adjusted to the 2008-and-later label basis.
17 mpg (US)
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; CITY-MPG columns 21-23; original rounded guide value
Historical EPA highway economyOriginal 1981 EPA guide methodology; values are not adjusted to the 2008-and-later label basis.
24 mpg (US)
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; HWY-MPG columns 24-26; original rounded guide value
Historical EPA combined economyOriginal 1981 EPA guide methodology; values are not adjusted to the 2008-and-later label basis.
20 mpg (US)
Verified

1981 EPA historical 49-state fuel economy records

81FG.DAT:line 393; record SHA-256 ebb6817f02b13fa2e4aefe1bc319ce2caae1b7c695fa4a5c10fa7d88666a9f55; COMB-MPG columns 27-29; original rounded guide value

Range

0/4
Total range
Not recorded
Alternate-fuel range
Not recorded
Alternate-fuel city range
Not recorded
Alternate-fuel highway range
Not recorded

Emissions

0/4
Tailpipe CO₂
Not recorded
Emissions classification
Not recorded
EPA fuel-economy score
Not recorded
EPA greenhouse-gas score
Not recorded

Safety

0/3
Tire-pressure monitoring
Not recorded
Stability control
Not recorded
Driver-assistance suite
Not recorded

Body

0/2
Roof
Not recorded
Aerodynamic equipment
Not recorded

US safety ratings and recalls

Current NHTSA results for this model year, make, and model. Ratings are shown only for NHTSA-tested variants; recall applicability must be confirmed by VIN.

Loading current NHTSA data…

Sources used

Original EPA source configuration; the label identifies a government record and does not assert a retail trim. Historical economy follows the original guide basis; equipment and body shape are not inferred.

Government

1981 EPA historical carline, manufacturer and class dictionary

Original fixed-width EPA archive. Source rows, region, codes and historical fuel-economy basis are retained. This source is not a complete inventory of all vehicles sold; unsupported equipment is not inferred.

Applies to
United States model year 1981; source manufacturer, carline and EPA classification dictionary
Retrieved
2026-09-05
Source ↗
Government

1981 EPA historical 49-state fuel economy records

Original fixed-width EPA archive. Source rows, region, codes and historical fuel-economy basis are retained. This source is not a complete inventory of all vehicles sold; unsupported equipment is not inferred.

Applies to
United States model year 1981; 49-state source records
Retrieved
2026-09-05
Source ↗