Porsche 914, Full Specifications

Overview

The Porsche 914 (1969-1976) was offered with four engine variants across two engine families: the Volkswagen Type 4 air-cooled flat-four in three displacements (1.7, 1.8, and 2.0 litres) and the Porsche 911T’s 2.0-litre air-cooled flat-six. All variants shared the same mid-engined targa body, five-speed gearbox, and independent suspension. These are the complete specifications for every production variant.

Key Dimensions

Specification	Value
Production Years	1969-1976
Manufacturer	Porsche AG / Volkswagen AG (joint venture)
Body Manufacture	Wilhelm Karmann GmbH, Osnabruck, Germany
Final Assembly	Porsche, Stuttgart-Zuffenhausen (914/6); Karmann, Osnabruck (914/4)
Body Style	2-door targa coupe
Layout	Mid-engine, rear-wheel drive
Construction	Steel unitary (monocoque)
Wheelbase	2,450 mm
Overall Length	3,985 mm
Overall Width	1,650 mm
Overall Height	1,230 mm
Front Track	1,338 mm
Rear Track	1,386 mm
Ground Clearance	140 mm
Fuel Tank Capacity	62 L
Front Boot Capacity	Approximately 130 L
Rear Boot Capacity	Approximately 130 L (with targa panel stowed)
Drag Coefficient	0.36

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Engine Specifications

1.7-Litre VW Type 4 Flat-Four (1970-1973)

Specification	Value
Type Designation	W (VW Type 4)
Configuration	Flat-4 (boxer), OHV, air-cooled
Displacement	1,679 cc
Bore x Stroke	90.0 mm x 66.0 mm
Compression Ratio	8.2:1
Power	59 kW @ 4,900 rpm
Torque	131 Nm @ 2,700 rpm
Fuel System	Bosch D-Jetronic electronic fuel injection
Valvetrain	Central camshaft, pushrods, 2 valves per cylinder
Ignition	Points/condenser
Oil Capacity	2.5 L
Recommended Oil	15W-50 or 20W-50 mineral
Redline	5,500 rpm

1.8-Litre VW Type 4 Flat-Four (1974)

Specification	Value
Type Designation	EA (VW Type 4)
Configuration	Flat-4 (boxer), OHV, air-cooled
Displacement	1,795 cc
Bore x Stroke	93.0 mm x 66.0 mm
Compression Ratio	7.3:1
Power	55 kW @ 4,500 rpm
Torque	135 Nm @ 2,700 rpm
Fuel System	Bosch D-Jetronic electronic fuel injection
Valvetrain	Central camshaft, pushrods, 2 valves per cylinder
Ignition	Points/condenser
Oil Capacity	2.5 L
Redline	5,200 rpm

2.0-Litre VW Type 4 Flat-Four (1973-1976)

Specification	Value
Type Designation	GA (VW Type 4)
Configuration	Flat-4 (boxer), OHV, air-cooled
Displacement	1,971 cc
Bore x Stroke	94.0 mm x 71.0 mm
Compression Ratio	7.6:1 (1973-1974) / 8.0:1 (1975-1976)
Power	74 kW @ 4,900 rpm (1973-1974) / 65 kW @ 4,500 rpm (1975-1976 US-spec)
Torque	157 Nm @ 3,000 rpm
Fuel System	Bosch D-Jetronic (1973-1974) / Bosch L-Jetronic (1975-1976)
Valvetrain	Central camshaft, pushrods, 2 valves per cylinder
Ignition	Points/condenser (early) / electronic (late)
Oil Capacity	2.5 L
Redline	5,500 rpm

2.0-Litre Porsche Flat-Six (914/6, 1970-1972)

Specification	Value
Type Designation	901/36
Configuration	Flat-6 (boxer), SOHC per bank, air-cooled
Displacement	1,991 cc
Bore x Stroke	80.0 mm x 66.0 mm
Compression Ratio	8.6:1
Power	81 kW @ 5,800 rpm
Torque	157 Nm @ 4,200 rpm
Fuel System	Weber 40 IDT 3C carburettors (twin)
Valvetrain	SOHC per bank, 2 valves per cylinder
Lubrication	Dry sump
Ignition	Bosch CD (capacitive discharge)
Oil Capacity	9.0 L (dry sump)
Recommended Oil	15W-50 or 20W-50 mineral
Redline	6,500 rpm

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Transmission

914/4 Gearbox

Specification	Value
Type	5-speed manual (VW-based)
Designation	Type 0A2
Synchromesh	All forward gears
Clutch	Single dry plate, cable-operated
Final Drive Ratio	3.875:1 (1.7L) / 4.43:1 (2.0L)

Gear Ratios (914/4, 1.7L)

Gear	Ratio
1st	3.78
2nd	2.06
3rd	1.26
4th	0.93
5th	0.76
Reverse	3.61

914/6 Gearbox

Specification	Value
Type	5-speed manual (Porsche Type 901)
Synchromesh	All forward gears (Porsche system)
Clutch	Single dry plate, cable-operated
Final Drive Ratio	4.43:1

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Suspension

Component	Front	Rear
Type	Independent, MacPherson struts	Independent, semi-trailing arms
Springs	Coil springs	Coil springs
Dampers	Telescopic hydraulic	Telescopic hydraulic
Anti-roll Bar	Standard, 15 mm	Standard, 16 mm

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Brakes

Specification	914/4	914/6
Front	Disc, solid, ATE, 260 mm	Disc, ventilated, ATE, 282 mm
Rear	Disc, solid, ATE, 271 mm	Disc, solid, ATE, 285 mm
Servo	Yes (vacuum)	Yes (vacuum)
Handbrake	Mechanical, rear calipers	Mechanical, rear calipers

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Steering

Specification	Value
Type	Rack and pinion, unassisted
Turns Lock-to-Lock	3.0
Turning Circle	10.2 m

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Wheels and Tyres

Specification	914/4 (Standard)	914/6 (Standard)
Wheels	4.5J x 15 steel	5.5J x 15 Fuchs alloy
Tyres	155SR15	185/70HR15
Bolt Pattern	4 x 130 (914/4)	5 x 130 (914/6)

Note: The 914/4 and 914/6 use different bolt patterns and hubs. 914/4 wheels do not fit the 914/6 and vice versa.

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Performance (approximate, period road tests)

Model	Kerb Weight	0-100 km/h	Top Speed	Standing 400m
914/4 1.7	940 kg	13.0 s	177 km/h	18.8 s
914/4 1.8	960 kg	14.0 s	170 km/h	19.4 s
914/4 2.0	970 kg	10.5 s	193 km/h	17.5 s
914/6	980 kg	8.5 s	210 km/h	16.3 s
914/6 GT (race)	820 kg	6.5 s (est.)	245 km/h (est.)	14.5 s (est.)

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Fuel Economy (approximate, mixed driving)

Model	L/100 km
914/4 1.7	9.0
914/4 1.8	9.5
914/4 2.0	10.0
914/6	11.5

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Electrical

Specification	Value
System Voltage	12V
Generator/Alternator	Bosch 12V alternator (late cars) / generator (early)
Battery	12V 45Ah
Headlights	Pop-up, vacuum-operated, H4 halogen
Headlight Operation	Engine vacuum actuators with check valve

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Weight Distribution

Configuration	Front	Rear
914/4	46%	54%
914/6	45%	55%

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Service Intervals

Service Item	Interval
Engine oil and filter	5,000 km
Valve clearance adjustment	15,000 km
Spark plugs	15,000 km
Air filter	30,000 km
Fan belt	Inspect every service, replace as needed
Gearbox oil	40,000 km
Brake fluid	Every 2 years
D-Jetronic injector clean	Annually

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Interior Dimensions

Specification	Value
Seats	2 (no rear seats)
Headroom	890 mm (targa roof on)
Shoulder Width	1,270 mm
Legroom	Adjustable, adequate for drivers up to 190 cm

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Production Numbers (All Markets)

Variant	Years	Units
914/4 1.7	1970-1973	~65,000
914/4 1.8	1974	~16,500
914/4 2.0	1973-1976	~34,100
914/6	1970-1972	~3,360
914/6 GT	1970-1971	~16 (factory-built)
Total	1969-1976	~118,982