The Mazda MX-3, produced from 1991 through 1996 (though some sources extend production to 2000 for certain markets), represented Mazda’s foray into the affordable, sporty coupe segment. The EC chassis code designates the first generation of this front-wheel-drive vehicle. Within the MX-3 lineup, the 1.8L V6 24V variant, producing 136 horsepower, occupied a middle ground, offering a significant performance upgrade over the base 1.6L engine while remaining more accessible than the later, more focused MX-5 roadster. It aimed to provide a balance of style, performance, and practicality for the entry-level sports coupe buyer.
Technical Specifications
| Brand | Mazda |
| Model | MX-3 |
| Generation | MX-3 (EC) |
| Type (Engine) | 1.8 V6 24V (136 Hp) |
| Start of production | 1991 |
| End of production | 1996 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 11.1 l/100 km (21.2 US mpg) |
| Fuel consumption (extra urban) | 7.1 l/100 km (33.1 US mpg) |
| Fuel consumption (combined) | 8.8 l/100 km (26.7 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.5 sec |
| Acceleration 0 – 62 mph | 8.5 sec |
| Acceleration 0 – 60 mph | 8.1 sec |
| Maximum speed | 202 km/h (125.52 mph) |
| Weight-to-power ratio | 8.3 kg/Hp |
| Weight-to-torque ratio | 7 kg/Nm |
| Power | 136 Hp @ 6800 rpm |
| Power per litre | 73.7 Hp/l |
| Torque | 160 Nm @ 5300 rpm (118.01 lb.-ft. @ 5300 rpm) |
| Engine layout | Front, Transverse |
| Engine displacement | 1845 cm3 (112.59 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 75 mm (2.95 in.) |
| Piston Stroke | 69.6 mm (2.74 in.) |
| Compression ratio | 9.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Kerb Weight | 1125 kg (2480.2 lbs.) |
| Trunk (boot) space | 289 l (10.21 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Length | 4220 mm (166.14 in.) |
| Width | 1695 mm (66.73 in.) |
| Height | 1310 mm (51.57 in.) |
| Wheelbase | 2455 mm (96.65 in.) |
| Front track | 1460 mm (57.48 in.) |
| Rear track | 1465 mm (57.68 in.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 gears, manual transmission |
| Front suspension | Spring Strut |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 205/55 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of the MX-3 1.8 V6 was the Mazda KF-DE engine. This 1.8-liter, 60-degree V6 engine featured a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its relatively high specific output. The KF-DE utilized multi-port fuel injection, a common setup for the time, delivering fuel directly into the intake ports. The engine’s 9.2:1 compression ratio was a compromise between performance and the ability to run on readily available gasoline grades. The engine was transversely mounted in the front of the vehicle, driving the front wheels. The five-speed manual transmission was the standard offering, providing a direct connection between the engine and the wheels. The transmission’s gear ratios were tuned for a balance of acceleration and highway cruising efficiency.
Driving Characteristics
The 1.8L V6 MX-3 offered a noticeable step up in performance compared to the base 1.6L models. The 136 horsepower and 160 Nm (118 lb-ft) of torque provided brisk acceleration, with a 0-60 mph time of around 8.1 seconds. While not a track weapon, the MX-3 V6 felt lively and responsive on the road. The five-speed manual transmission allowed drivers to fully exploit the engine’s powerband. The gear ratios were well-matched, providing good acceleration in each gear. Compared to the later, more powerful MX-5, the MX-3 felt less nimble and had more noticeable body roll, but it offered a more comfortable ride and more interior space. The front-wheel-drive configuration meant some torque steer under hard acceleration, a characteristic common to many front-wheel-drive performance cars of the era.
Equipment & Trim Levels
The MX-3 1.8 V6 typically came with a reasonable level of standard equipment. This included power steering, a decent stereo system, and basic interior trim. Optional extras included air conditioning, power windows, power locks, and a sunroof. Interior upholstery was typically cloth, with a relatively simple dashboard layout. Higher trim levels, if available in specific markets, might have added features like alloy wheels, upgraded sound systems, and more luxurious interior materials. The MX-3 aimed for a sporty but practical interior, prioritizing functionality over outright luxury.
Chassis & Braking
The MX-3 utilized a relatively conventional chassis design. The front suspension consisted of MacPherson struts, while the rear suspension employed a coil spring setup. The suspension was tuned for a balance of ride comfort and handling. Braking duties were handled by ventilated discs at the front and solid discs at the rear. An anti-lock braking system (ABS) was often included as standard equipment, enhancing safety. The chassis was designed to be relatively lightweight, contributing to the car’s overall agility. Stabilizer bars were included to reduce body roll during cornering.
Market Reception & Comparison
The Mazda MX-3 1.8 V6 was generally well-received by automotive critics. It was praised for its stylish design, responsive engine, and relatively affordable price. However, some critics noted its somewhat bland interior and less-than-stellar handling compared to more focused sports cars. Compared to the base 1.6L MX-3, the V6 offered a significant performance boost, making it a more appealing option for driving enthusiasts. Compared to the later Mazda MX-5, the MX-3 was more practical and comfortable, but less engaging to drive. Fuel economy was reasonable for the time, averaging around 26.7 US mpg in combined driving.
Legacy
The Mazda MX-3, particularly the 1.8 V6 variant, has developed a modest following among enthusiasts. The KF-DE V6 engine is generally considered to be a reliable unit, although regular maintenance is essential. The MX-3’s relatively simple mechanical design makes it relatively easy to maintain and repair. Today, well-maintained examples are becoming increasingly collectible. While not as iconic as the MX-5, the MX-3 represents a unique and interesting chapter in Mazda’s history, offering a blend of style, performance, and affordability that appealed to a wide range of buyers.
