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1977 Mazda Cosmo Coupe 5MT

The 1977 Mazda Cosmo Coupe 5MT is a 110-hp 1.3-liter rotary coupe with a 5-speed manual, synchromesh on all forward gears and rear-wheel drive.

It makes 110 horsepower at 6,000 rpm and 120 lb-ft of torque. EPA fuel-economy estimates are 20 mpg city and 32 mpg highway.

The Cosmo measures 182.0 inches long on a 99.0-inch wheelbase and has a curb weight of 2,820 lb.

Spec Value
Vehicle
Body TypeCoupe
PowertrainGas
Engine
Engine Type13B twin-rotor Wankel rotary, naturally aspirated, water-cooled
Displacement1.3 L
Horsepower110 hp @ 6,000 rpm
Torque120 lb-ft @ 4000 rpm (SAE net) rpm
ValvetrainTwin-rotor Wankel (no poppet valves); side intake, peripheral exhaust
Compression Ratio9.2:1
Injection Type2-stage 4-barrel downdraft carburetor
Drivetrain
Drive TypeRWD
Transmission
Transmission5-speed manual, synchromesh on all forward gears
Fuel Economy
City20 MPG
Highway32 MPG
Recommended FuelUnleaded gasoline
Tank Capacity17.2 gal
Suspension
Front SuspensionIndependent strut, coil springs, torsion-bar stabilizer
Rear SuspensionRigid 5-link live axle, coil springs, torsion-bar stabilizer
Front Stabilizer BarYes
Rear Stabilizer BarYes
Turning Diameter32.8 ft
Brakes
Front Brake DiscPower-assisted ventilated disc
Rear Brake DiscPower-assisted disc
Tires & Wheels
Wheels Front5.5J x 14
Wheels Rear5.5J x 14
Tires Front185/70SR14 steel-belted radial
Tires Rear185/70SR14 steel-belted radial
Dimensions & Weight
Length182 in
Width66 in
Height52 in
Wheelbase99 in
Front Track54 in
Rear Track54 in
Ground Clearance6 in
Cargo Volume10 ft³
Curb Weight2,820 lbs
Interior
Headroom Front37 in
Headroom Rear34 in
Legroom Front44 in
Legroom Rear28 in
Shoulder Room Front52 in
Shoulder Room Rear52 in

Safety & Recalls

No NHTSA data available for the 1977 Mazda Cosmo.

Source: US National Highway Traffic Safety Administration (nhtsa.gov). US-market vehicles only; data cached for up to 7 days.

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