1978 Cadillac DeVille Specifications

These are standard specifications for the 1978 Cadillac DeVille, not necessarily specifications for the vehicle(s) in the photo(s).

Features

Engine Location :	Front
Drive Type :	Rear Wheel
Body / Chassis :	Ladder frame
Production Years for Series :	1977 - 1984
Price :	$10,445-$10,670
Weight :	4160 lbs \| 1886.944 kg

Engine & Transmission

V 8
Displacement :	6965 cc \| 425.0 cu in. \| 7.0 L.
Power :	195 HP (143.52 KW) @ 3800 RPM
Torque :	320 Ft-Lbs (434 NM) @ 2400 RPM
Bore :	4.1 in \| 104 mm.
Stroke :	4.1 in \| 103 mm.
Compression :	8.2:1
Main Bearings :	5
Construction :	Cast-iron block and head
Electronic fuel injection

V 8
Displacement :	5735 cc \| 350.0 cu in. \| 5.7 L.
Power :	120 HP (88.32 KW) @ 3600 RPM
Torque :	220 Ft-Lbs (298 NM) @ 1600 RPM
Bore :	4.1 in \| 103 mm.
Stroke :	3.4 in \| 86 mm.
Compression :	22.5:1
Main Bearings :	5
Cylinder Block :	Cast-iron
Electronic fuel injection

Transmission:
3 Automatic Turbo-Hydramatic

Gear Ratios

1st Gear :	2.48:1
2nd Gear :	1.48:1
3rd Gear :	1:1

Production Figures

Total Cadillac Production for 1978 :	349,684
Total 1978 DeVille production :	206,701
1978 Cadillac DeVille
Coupe 2 dr. 6 P :	117,750
Sedan 4 dr. 6 P :	88,951

Dimension(s)

Coupe

View info And history

Chassis # 6D47S8Q289149
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Exterior
Fuel Capacity :	25.3 Gal
Seating Capacity :	6
Doors :	2
Length :	221.2 in \| 5619 mm.
Width :	76.5 in \| 1943 mm.
Height :	55.3 in \| 1405 mm.
Wheelbase :	121.5 in \| 3086 mm.
Front Track :	61.7 in \| 1567 mm.
Rear Track :	60.7 in \| 1542 mm.

Sedan

Exterior
Price :	$10,670
Weight :	4240 lbs \| 1923.232 kg
Fuel Capacity :	25.3 Gal
Seating Capacity :	6
Doors :	4
Length :	221.2 in \| 5619 mm.
Width :	76.5 in \| 1943 mm.
Height :	55.3 in \| 1405 mm.
Wheelbase :	121.5 in \| 3086 mm.
Front Track :	61.7 in \| 1567 mm.
Rear Track :	60.7 in \| 1542 mm.

Handling

Suspension
Four-link drive, coil springs

Steering
Variable Ratio Rack-and-Pinion

Tires / Wheels
Tires :	GR78 x 15-B Steel-Belted radial with Wide White Sidewall

1978 Averages

Avg. Household Income :	$17,000
Avg. Home :	$54,800
Avg. Gallon of Gas :	$0.63

1978 Cadillac DeVille FAQs (show)

Popular frequently asked questions include:

What are the dimension and mechanical specifications of the 1978 Cadillac DeVille?
How many 1978 Cadillac DeVille were produced?
How powerful was the 1978 Cadillac DeVille? Was the 1978 Cadillac DeVille popular? Was the 1978 Cadillac DeVille expensive? What was the fuel economy of the 1978 Cadillac DeVille?

Q: What is the wheelbase size of the 1978 Cadillac DeVille? A: The 1978 Cadillac DeVille has a wheelbase size of 121.50 inches.

Q: What is the length of the 1978 Cadillac DeVille? A: The 1978 Cadillac DeVille has a length of 221.20 inches.

Q: What is the width of the 1978 Cadillac DeVille? A: The 1978 Cadillac DeVille has a width of 76.48 inches.

Q: How much did the 1978 Cadillac DeVille cost when new?A: The 1978 Cadillac DeVille cost approximately $10,445 to $10,670 (USD) when new.

Q: What were the bodystyles of the 1978 Cadillac DeVille? A: The 1978 Cadillac DeVille was offered as a Coupe, Sedan.

Q: What tires did the 1978 Cadillac DeVille have? A: The 1978 Cadillac DeVille had GR78 x 15-B Steel-Belted radial with Wide White Sidewall tires.

Q: How many vehicles did Cadillac produce in 1978? A: Cadillac produced 349,684 automobiles in 1978.

Q: How many 1978 DeVilles were produced? A: Cadillac produced 206,701 examples of the DeVille in 1978.

Q: What engines did the 1978 Cadillac DeVille have? A: The 1978 Cadillac DeVille had the following engine options: V 8 (6965 cc | 425.0 cu in. | 7.0 L.) with 195 HP (143.52 KW) @ 3800 RPM and 320 Ft-Lbs (434 NM) @ 2400 RPM

V 8 (5735 cc | 350.0 cu in. | 5.7 L.) with 120 HP (88.32 KW) @ 3600 RPM and 220 Ft-Lbs (298 NM) @ 1600 RPM

Q: What transmission did the 1978 Cadillac DeVille have? A: The 1978 Cadillac DeVille had a 3 speed Automatic Turbo-Hydramatic gearbox.