1971 Buick Gran Sport Specifications

These are standard specifications for the 1971 Buick Gran Sport, not necessarily specifications for the vehicle(s) in the photo(s).

Features

Engine Location :	Front
Drive Type :	Rear Wheel
Production Years for Series :	1965 - 1975
Price :	$3,285-$3,476
Weight :	3460 lbs \| 1569.43 kg

Engine & Transmission

V 8
Displacement :	5735 cc \| 350.0 cu in. \| 5.7 L.
Power :	285 HP (209.76 KW) @ 4600 RPM
Torque :	375 Ft-Lbs (508 NM) @ 3000 RPM
Bore :	3.8 in \| 97 mm.
Stroke :	3.9 in \| 98 mm.
Compression :	9.00:1
Main Bearings :	5
Construction :	Cast-iron block and head

V 8 \| Stage 1 engine
Displacement :	7456 cc \| 455.0 cu in. \| 7.5 L.
Power :	315 HP (231.84 KW) @ 4600 RPM
Bore :	4.3 in \| 109 mm.
Stroke :	3.9 in \| 99 mm.
Compression :	8.5:1
Main Bearings :	5
Valvetrain :	16 OHV (2 valves per cylinder)
Cylinder Block :	Cast-iron
Rochester 4MV 4-barrel carburetor

V 8 \| Stage 1 engine
Displacement :	5735 cc \| 350.0 cu in. \| 5.7 L.
Power :	345 BHP (253.92 KW) @ 4600 RPM
Bore :	3.8 in \| 97 mm.
Stroke :	3.9 in \| 98 mm.
Main Bearings :	5
Valvetrain :	16 OHV (2 valves per cylinder)
Cylinder Block :	Cast-iron
4-barrel carbureted V-8

V 8
Displacement :	7456 cc \| 455.0 cu in. \| 7.5 L.
Power :	370 HP (272.32 KW) @ 4600 RPM
Torque :	510 Ft-Lbs (691 NM) @ 2800 RPM
Bore :	4.3 in \| 109 mm.
Stroke :	3.9 in \| 99 mm.
Compression :	10.00:1
Main Bearings :	5
Construction :	Cast-iron block and head

Transmission:
3 Manual , Automatic Turbo-Hydramatic

Production Figures

Total Buick Production for 1971 :	551,188
1971 Buick Gran Sport
GS455 Series 43400 Hardtop 2 dr. 5 P :	8,144
Series 43400 Convertible 2 dr. 5 P :	902
Series 43400 Hardtop 2 dr. 5 P :	8,144

Dimension(s)

Series 43400 Hardtop

Exterior
Seating Capacity :	5
Doors :	2
Length :	203.2 in \| 5161 mm.
Wheelbase :	112.0 in \| 2845 mm.

Series 43400 Convertible

View info And history

Chassis # 434671H148500
View info And history

Exterior
Price :	$3,476
Weight :	3497 lbs \| 1586.213 kg
Seating Capacity :	5
Doors :	2
Length :	203.2 in \| 5161 mm.
Wheelbase :	112.0 in \| 2845 mm.

GS455 Series 43400 Hardtop

Exterior
Price :	$3,449
Weight :	3460 lbs \| 1569.43 kg
Seating Capacity :	5
Doors :	2
Length :	203.2 in \| 5161 mm.
Wheelbase :	112.0 in \| 2845 mm.

GS455 Stage 1 Series 43400 Hardtop

View info And history

Chassis # 434371Z114593
View info And history
Auction entries : 4

Exterior
Weight :	3460 lbs \| 1569.43 kg
Seating Capacity :	5
Doors :	2
Length :	203.2 in \| 5161 mm.
Wheelbase :	112.0 in \| 2845 mm.

Handling

Tires / Wheels
Tires :	G78x14

1971 Averages

Avg. Household Income :	$10,600
Avg. Home :	$25,250
Avg. Gallon of Gas :	$0.40
Avg. Stamp :	$0

1971 Buick Gran Sport FAQs (show)

Popular frequently asked questions include:

What are the dimension and mechanical specifications of the 1971 Buick Gran Sport?
How many 1971 Buick Gran Sport were produced?
How powerful was the 1971 Buick Gran Sport? Was the 1971 Buick Gran Sport popular? Was the 1971 Buick Gran Sport expensive? What was the fuel economy of the 1971 Buick Gran Sport?

Q: What is the wheelbase size of the 1971 Buick Gran Sport? A: The 1971 Buick Gran Sport has a wheelbase size of 112.00 inches.

Q: What is the length of the 1971 Buick Gran Sport? A: The 1971 Buick Gran Sport has a length of 203.20 inches.

Q: How much did the 1971 Buick Gran Sport cost when new?A: The 1971 Buick Gran Sport cost approximately $3,285 to $3,476 (USD) when new.

Q: What were the bodystyles of the 1971 Buick Gran Sport? A: The 1971 Buick Gran Sport was offered as a GS455 Series 43400 Hardtop, GS455 Stage 1 Series 43400 Hardtop, Series 43400 Convertible, Series 43400 Hardtop.

Q: What tires did the 1971 Buick Gran Sport have? A: The 1971 Buick Gran Sport had G78x14 tires.

Q: How many vehicles did Buick produce in 1971? A: Buick produced 551,188 automobiles in 1971.

Q: What engines did the 1971 Buick Gran Sport have? A: The 1971 Buick Gran Sport had the following engine options: V 8 (5735 cc | 350.0 cu in. | 5.7 L.) with 285 HP (209.76 KW) @ 4600 RPM and 375 Ft-Lbs (508 NM) @ 3000 RPM

V 8 (7456 cc | 455.0 cu in. | 7.5 L.) with 315 HP (231.84 KW) @ 4600 RPM

V 8 (5735 cc | 350.0 cu in. | 5.7 L.) with 345 BHP (253.92 KW) @ 4600 RPM

V 8 (7456 cc | 455.0 cu in. | 7.5 L.) with 370 HP (272.32 KW) @ 4600 RPM and 510 Ft-Lbs (691 NM) @ 2800 RPM

Q: What transmissions did the 1971 Buick Gran Sport have? A: The 1971 Buick Gran Sport had the following gearbox options: 3 speed Manual, Automatic Turbo-Hydramatic.

Buick Monthly Sales Volume

March 2023

38,138

Additional Sales Volume Data