How much horsepower ? What engine size ? What dimensions ? – Specifications Table

Identification data

Pontiac Firebird Formula 400 4-speed (man. 4 speed)
as offered for the year 1971 since September 1970 in North America

How many were produced ? Check Pontiac Firebird 2gen available production numbers data.

Production/sales period of cars with this particular specs:

September 1970 – September 1971



Country of origin:

USA United States

country flag




Firebird 2nd generation



Firebird 2nd-gen. Formula Coupe


Optional equipment:

EEC segmentation:

S (sport cars)


S-C (sport coupes) – executive


sports car

Body style:

fastback coupe




RWD (rear-wheel drive)

Basic dimensions


4867 mm / 191.6 in


1864 mm / 73.4 in


1280 mm / 50.4 in

Height with roof rails or antenna:


2743 mm / 108 in

Claimed EPA passenger volume:

Calculated EPA passenger volume:

85.9 cu ft

Fuel capacity:

64 liter / 16.9 U.S. gal / 14.1 imp. gal

Drag coefficient (Cw-Wert):

Cd claimed:

Cd estimated by a-c:


Inside and outside dimensions, turning circle, track, trunk, cargo volume, frontal and drag area, capacities, etc. – click the button below:


Curb weight (without a driver):

1630 kg / 3593 lbs

Weight distribution f/r (%):

Dry weight:

Shipping weight:

1598 kg / 3522 lbs

Curb weight estimated:

Gross vehicle weight rating GVWR:


Payload estimated:

Sales markets

Markets, where cars with this particular specifications were sold:

North America

Related models:


Engine specifications

Engine manufacturer:

GM Pontiac 400 V8

Engine type:

spark-ignition 4-stroke

Fuel type:

gasoline (petrol)

Fuel system:


Charge system:

naturally aspirated

Valves per cylinder:


Valves timing:

Additional features:

Rochester 4-barrel carb, dual exhaust

OHV, V90deg

Emission control:

Emission standard:

Cylinders alignment:

V 8


6558 cm3 / 400.2 cui

What power?

Horsepower net:

186.5 kW / 254 PS / 250 hp (SAE net)

/ 4400

Torque net:

461 Nm / 340 ft-lb

/ 3200

Horsepower gross:

223.7 kW / 304 PS / 300 hp (SAE gross)

/ 4800

Torque gross:

542 Nm / 400 ft-lb

/ 3600

Car power to weight ratio net:

114.4 watt/kg / 51.9 watt/lb

Car power to weight ratio gross:

137 watt/kg / 62 watt/lb

Car weight to power ratio net:

8.7 kg/kW / 6.4 kg/PS / 14.4 lbs/hp

Car weight to power ratio gross:

7.3 kg/kW / 5.4 kg/PS / 12 lbs/hp

Full engine data: horsepower/torque rpm, etc. – click the button below:

1971 Pontiac Firebird Formula 400 4-speed Horsepower/ Torque Curve

1971 Pontiac Firebird Formula 400 4-speed car fluids (oil and coolant) capacities

Transmission specifications


Muncie M20 wide-ratio

Transmission type:


Number of gears:


Complete transmission data: gear ratios, final drive, etc. – click the button below:

Tire size:

1971 Pontiac Firebird Formula 400 4-speed standard and alternative wheel and tire sizes

How fast is this car ? What top speed ? How much fuel ? – Performance Data

Factory claim

Top speed:

0-60 mph (sec):

0-100 km/h (sec):

0-1/4 mile (sec):

0-1 km (sec):

specs interline

Fuel consumption:

ECE 90/120/city (comb.):

EU NEDC/Australia ADR82:


U.S. EPA city/highway (combined):

U.S. EPA (after 2008) city/highway:


10-15 mode:

JC08 mode:


© ProfessCars™ estimation
(the car with basic curb weight, full fuel tank and 90 kg (200 lbs) load)

Top speed:

190 km/h / 118 mph

(theor. without speed governor)

specs interline


0-80 km/h (sec):


0-100 km/h (sec):


0-160 km/h (sec):


0-200 km/h (sec):

0-300 km/h (sec):

0-50 mph (sec):


0-60 mph (sec):


0-100 mph (sec):


0-150 mph (sec):

0-200 mph (sec):

specs interline

Drag times:

0- 1/4mile (sec):


0- 1km (sec):


Full performance data, accelerations chart, acceleration on gears, speed range on gears, overtaking factors etc. or to add this car to comparison – click one of the buttons below:

specs interline

Fuel consumption


extra-urban (up to 62mph/100km/h) / city / highway (up to 87mph/140km/h) / average combined:


16.4-19.7 / 24.8-29.8 / 19-22.8 / 21.4

mpg (imp.):

14.3-17.2 / 9.5-11.4 / 12.4-14.9 / 13.2

mpg (U.S.):

11.9-14.3 / 7.9-9.5 / 10.3-12.4 / 11


5.1-6.1 / 3.4-4 / 4.4-5.3 / 4.7

specs interline

Driving range

(km / miles on tank)

extra-urban (up to 62 mph /100 km/h):

325-390 km / 200-240 miles


215-260 km / 135-160 miles

highway (up to 87 mph / 140 km/h):

280-335 km / 175-210 miles

average combined:

299 km / 185 miles

R e m a r k s

specs interline

If you refer to the information from this website, please always indicate as a source, with the appropriate link.

To view table with complete performance data and technical specifications (including final drive and gear ratios, powertrain description, dimensions, accelerations chart etc.) and more photo, or to compare up to 5 cars side-by-side – click one of the the buttons below: © The complete catalog of cars since 1945 ©

Copyright. Under the Copyright, Designs and Patents Act 1988, the content, organization, graphics, design, compilation, magnetic, translation, digital conversion and other matters related to the site (including ProfessCars™ and™) are protected under applicable copyrights, trademarks and other proprietary (including but not limited to intellectual property) rights. The website is only for the on-line view using the internet browser. The commercial copying, redistribution, use or publication by you of any such matters or any part of this site is strictly prohibited. You do not acquire ownership rights to any content, document or other materials viewed through the site. Reproduction of part or all of the contents of this web-site in any form is prohibited and may not be recopied and shared with a third party. The incorporation of material or any part of it in any other web-site, electronic retrieval system, publication or any other work (whether hard copy, electronic or otherwise), also the storage of any part of this site on optical, digital or/and electronic media is strictly prohibited. Except as expressly authorized by, you agree not to copy, modify, rent, lease, loan, sell, assign, distribute, perform, display, license, reverse engineer or create derivative works based on the Site or any Content available through the Site. Violations of copyright will be prosecuted under the fullest extent of the law.
The full Terms and Conditions of using this website and database can be found here.

Leave a Reply

Your email address will not be published.

%d bloggers like this: