2012-2015 Mazda MX-5 III (NC facelift ) 1.8 MZR (126 Hp)

The Mazda MX-5 NC, specifically the 1.8 MZR variant produced from 2012 to 2015, represents a key iteration of Mazda’s iconic roadster. This facelifted version of the third-generation MX-5 (NC) aimed to broaden the car’s appeal while retaining the core driving experience that had defined the model since its introduction in 1989. Positioned as the entry-level engine option in many markets, the 1.8-liter engine offered a balance of affordability and the classic MX-5 driving feel. It served as a more accessible alternative to the more powerful 2.0-liter variants, targeting buyers prioritizing fuel efficiency and everyday usability over outright performance.

Technical Specifications

Brand Mazda
Model MX-5
Generation MX-5 III (NC, facelift 2012)
Type (Engine) 1.8 MZR (126 Hp)
Start of production 2012
End of production 2015
Powertrain Architecture Internal Combustion engine
Body type Roadster
Seats 2
Doors 2
Fuel consumption (urban) 9.8 l/100 km (24 US mpg)
Fuel consumption (extra urban) 5.6 l/100 km (42 US mpg)
Fuel consumption (combined) 7.1 l/100 km (33.1 US mpg)
CO2 emissions 167 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 9.9 sec
Acceleration 0 – 62 mph 9.9 sec
Acceleration 0 – 60 mph 9.4 sec
Maximum speed 194 km/h (120.55 mph)
Emission standard Euro 5
Weight-to-power ratio 9.1 kg/Hp
Weight-to-torque ratio 6.9 kg/Nm
Power 126 Hp @ 6500 rpm
Torque 167 Nm @ 4500 rpm (123.17 lb.-ft. @ 4500 rpm)
Engine layout Front, Longitudinal
Engine displacement 1798 cm3 (109.72 cu. in.)
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 83 mm (3.27 in.)
Piston Stroke 83.1 mm (3.27 in.)
Compression ratio 10.8:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain DOHC
Engine oil capacity 4.3 l (4.54 US qt | 3.78 UK qt)
Coolant 7.7 l (8.14 US qt | 6.78 UK qt)
Kerb Weight 1150 kg (2535.32 lbs.)
Max. weight 1375 kg (3031.36 lbs.)
Max load 225 kg (496.04 lbs.)
Trunk (boot) space – minimum 150 l (5.3 cu. ft.)
Fuel tank capacity 50 l (13.21 US gal | 11 UK gal)
Length 4020 mm (158.27 in.)
Width 1720 mm (67.72 in.)
Height 1245 mm (49.02 in.)
Wheelbase 2330 mm (91.73 in.)
Front track 1490 mm (58.66 in.)
Rear (Back) track 1495 mm (58.86 in.)
Ride height (ground clearance) 136 mm (5.35 in.)
Minimum turning circle (turning diameter) 10 m (32.81 ft.)
Drivetrain Architecture Rear wheel drive
Drive wheel Rear wheel drive
Number of gears and type of gearbox 5 gears, manual transmission
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion

Powertrain & Engine Architecture

The heart of this MX-5 variant is the 1.8-liter MZR (Mazda Zoom-Zoom) inline-four cylinder engine. This engine, designated as either ABS or ADZ depending on the specific market, is a naturally aspirated powerplant known for its smooth operation and relatively simple design. It features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its respectable power output for its displacement. Fuel delivery is managed by a multi-port fuel injection system, providing precise fuel metering for optimal combustion. The engine’s 126 horsepower peak is achieved at 6500 rpm, while its 167 Nm (123 lb-ft) of torque is available at 4500 rpm. The engine is longitudinally mounted, driving the rear wheels, a configuration central to the MX-5’s handling characteristics. The 5-speed manual transmission was the standard offering, providing a direct connection between the engine and the wheels.

Driving Characteristics

The 1.8-liter MX-5 NC offers a distinctly different driving experience compared to its 2.0-liter siblings. While lacking the outright acceleration of the larger engine, the 1.8 provides a more relaxed and accessible driving experience. The 5-speed manual transmission is well-matched to the engine’s powerband, allowing drivers to keep the engine in its sweet spot for spirited driving. The gear ratios are tuned for efficiency and usability, rather than outright performance. The lighter weight of the 1.8-liter engine also contributes to a slightly more balanced feel, enhancing the car’s nimble handling. While 0-60 mph takes around 9.4 seconds, the focus is on cornering agility and driver engagement rather than straight-line speed.

Equipment & Trim Levels

The 1.8-liter MX-5 typically served as the base trim level. Standard equipment generally included power windows, power locks, and a basic audio system. Air conditioning was often standard, but could be optional in some markets. Interior upholstery was typically cloth, with a simple and functional dashboard layout. Optional extras included alloy wheels, a premium audio system, leather upholstery, and a limited-slip differential. The facelifted 2012 models received subtle cosmetic updates, including revised headlights and taillights, as well as minor interior refinements.

Chassis & Braking

The MX-5 NC utilizes a lightweight chassis with a MacPherson strut front suspension and a multi-link rear suspension. The suspension is tuned for sporty handling, providing a firm but comfortable ride. The 1.8-liter models typically featured disc brakes on the front wheels and drum brakes on the rear, a cost-saving measure compared to the all-disc setup found on higher-trim models. Anti-lock brakes (ABS) were standard. The steering is a rack-and-pinion system, providing precise and responsive steering feel. Stabilizer bars are fitted front and rear to reduce body roll during cornering.

Market Reception & Comparison

The 1.8-liter MX-5 NC was generally well-received by automotive critics as an affordable and enjoyable roadster. It was praised for its nimble handling, fuel efficiency, and overall driving experience. However, some critics noted that the engine lacked the punch of the 2.0-liter variants. Compared to the 2.0-liter models, the 1.8 offered better fuel economy and lower running costs, making it an attractive option for buyers on a budget. The 1.8 also offered a more forgiving driving experience, making it easier for novice drivers to enjoy the MX-5 experience.

Legacy

The 1.8-liter MZR engine in the MX-5 NC has proven to be a reliable and durable powerplant. With proper maintenance, these engines can easily exceed 150,000 miles. The NC MX-5, including the 1.8-liter variant, has become a popular choice among enthusiasts and used car buyers. Its affordability, reliability, and engaging driving experience have cemented its place as a modern classic. The 1.8-liter version, in particular, offers a compelling value proposition for those seeking a fun and affordable roadster.

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