The Mazda CX-30 1.8 Skyactiv-D, producing 116 horsepower, was a diesel-powered variant of Mazda’s compact crossover SUV, the CX-30. Introduced in September 2019 and remaining in production through March 2021, this model occupied a key position in the CX-30 lineup, offering a balance between fuel efficiency and reasonable performance. It was primarily marketed in Europe and other regions where diesel engines remained popular. The CX-30 itself was positioned as a more stylish and engaging alternative to traditional compact SUVs, targeting a younger demographic seeking a premium feel at a relatively accessible price point.
Technical Specifications
| Brand | Mazda |
| Model | CX-30 |
| Generation | CX-30 |
| Type (Engine) | 1.8 Skyactiv-D (116 Hp) |
| Start of production | September, 2019 |
| End of production | March, 2021 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| Fuel consumption (extra urban) | 4.1 l/100 km (57.4 US mpg, 68.9 UK mpg, 24.4 km/l) |
| Fuel consumption (combined) | 4.4 l/100 km (53.5 US mpg, 64.2 UK mpg, 22.7 km/l) |
| CO2 emissions | 116 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.8 sec |
| Acceleration 0 – 62 mph | 10.8 sec |
| Acceleration 0 – 60 mph | 10.3 sec |
| Maximum speed | 183 km/h (113.71 mph) |
| Emission standard | Euro 6d-TEMP |
| Weight-to-power ratio | 11.6 kg/Hp, 86.3 Hp/tonne |
| Weight-to-torque ratio | 5 kg/Nm, 200.9 Nm/tonne |
| Power | 116 Hp @ 4000 rpm |
| Power per litre | 65.9 Hp/l |
| Torque | 270 Nm @ 1600-2600 rpm (199.14 lb.-ft. @ 1600-2600 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | S8Y1 |
| Engine displacement | 1759 cm3 (107.34 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 79 mm (3.11 in.) |
| Piston Stroke | 89.7 mm (3.53 in.) |
| Compression ratio | 14.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5.1 l (5.39 US qt | 4.49 UK qt) |
| Coolant | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1344-1434 kg (2963.01 – 3161.43 lbs.) |
| Max. weight | 1949 kg (4296.81 lbs.) |
| Max load | 515-605 kg (1135.38 – 1333.8 lbs.) |
| Trunk (boot) space – minimum | 430 l (15.19 cu. ft.) |
| Trunk (boot) space – maximum | 1406 l (49.65 cu. ft.) |
| Fuel tank capacity | 51 l (13.47 US gal | 11.22 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (8%) | 1300 kg (2866.01 lbs.) |
| Permitted trailer load with brakes (12%) | 1300 kg (2866.01 lbs.) |
| Permitted trailer load without brakes | 600 kg (1322.77 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4395 mm (173.03 in.) |
| Width | 1795 mm (70.67 in.) |
| Height | 1540 mm (60.63 in.) |
| Wheelbase | 2655 mm (104.53 in.) |
| Front track | 1565 mm (61.61 in.) |
| Rear (Back) track | 1565 mm (61.61 in.) |
| Ride height (ground clearance) | 175 mm (6.89 in.) |
| Minimum turning circle (turning diameter) | 11.37 m (37.3 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 215/65 R16; 215/55 R18 |
| Wheel rims size | 16; 18 |
INTRODUCTION
The Mazda CX-30 1.8 Skyactiv-D (116 Hp) represented Mazda’s entry point into the CX-30 diesel range. Launched in 2019, it was designed to appeal to buyers prioritizing fuel economy and lower running costs. Positioned below the more powerful 1.5 Skyactiv-D and petrol variants, this model aimed to provide an accessible and efficient option within the increasingly competitive compact SUV segment. The CX-30, built on the 1HX0/A3 platform shared with the Mazda3, was intended to bridge the gap between the Mazda3 hatchback and the larger CX-5, offering a more stylish and engaging driving experience than many of its rivals.
Powertrain & Engine Architecture
At the heart of the CX-30 1.8 Skyactiv-D lies Mazda’s S8Y1 engine, a 1.759-liter inline-four cylinder diesel. This engine is a key component of Mazda’s Skyactiv technology, focusing on efficiency and reduced emissions. It features a high compression ratio of 14.8:1, contributing to its thermal efficiency. The engine utilizes a common-rail direct injection system, delivering fuel directly into the combustion chamber at extremely high pressure for optimized combustion. A turbocharger with an intercooler is employed to boost power and torque. The engine’s design incorporates features to minimize friction and weight, further enhancing fuel economy. The 116 horsepower and 270 Nm (199 lb-ft) of torque are delivered between 1600 and 2600 rpm. This variant was exclusively offered with a six-speed manual transmission, driving the front wheels.
Driving Characteristics
The CX-30 1.8 Skyactiv-D, with its 116 horsepower and manual transmission, offered a respectable, though not particularly exhilarating, driving experience. Acceleration from 0-60 mph took around 10.3 seconds, and top speed was limited to 113.71 mph. The engine’s torque delivery provided adequate pulling power for everyday driving, making it suitable for both urban commutes and highway cruising. However, compared to the more powerful 1.5-liter diesel or petrol variants, the 1.8-liter felt less responsive, particularly when overtaking or climbing hills. The six-speed manual transmission was well-matched to the engine, offering smooth gear changes and a reasonably engaging driving feel. The gear ratios were optimized for fuel efficiency, prioritizing economy over outright performance.
Equipment & Trim Levels
The CX-30 1.8 Skyactiv-D typically came with a good level of standard equipment, reflecting Mazda’s commitment to providing a premium feel. Standard features generally included alloy wheels, a touchscreen infotainment system with Apple CarPlay and Android Auto integration, a rearview camera, and a suite of safety features such as lane departure warning, lane keep assist, and automatic emergency braking. Interior upholstery was typically cloth, with options for leather upgrades on higher trim levels. Available optional extras included a sunroof, heated seats, a premium sound system, and adaptive cruise control. Trim levels varied by market, but generally followed a progression from base models to more luxurious specifications.
Chassis & Braking
The CX-30’s chassis was designed to provide a comfortable and engaging driving experience. It utilizes a MacPherson strut front suspension and a torsion beam rear suspension. The suspension setup was tuned to balance ride comfort with handling agility. Braking duties were handled by ventilated discs at the front and solid discs at the rear, equipped with ABS (Anti-lock Braking System). The steering system employed an electric power steering setup, providing light and precise steering feel. The CX-30’s weight, ranging from 1344 to 1434 kg (2963 to 3161 lbs), was relatively low for its class, contributing to its nimble handling characteristics.
Market Reception & Comparison
The Mazda CX-30 1.8 Skyactiv-D was generally well-received by automotive critics, particularly for its fuel efficiency and stylish design. However, some reviewers noted that the engine lacked the punch of its more powerful siblings. Compared to the 1.5-liter diesel, the 1.8-liter offered slightly lower fuel economy but was often more affordable. Against petrol-powered CX-30 variants, the 1.8 Skyactiv-D provided significantly better fuel economy, making it an attractive option for drivers covering high mileage. Reliability reports have been generally positive, with the Skyactiv-D engines proving to be durable and relatively trouble-free.
Legacy
The Mazda CX-30 1.8 Skyactiv-D, while a relatively short-lived variant, remains a popular choice in the used car market, particularly for buyers seeking a fuel-efficient and stylish compact SUV. The Skyactiv-D engine has proven to be a reliable unit, and the CX-30’s overall build quality is highly regarded. As diesel engine popularity has waned in some markets, the 1.8 Skyactiv-D has become a niche offering, appealing to those who still value the benefits of diesel power – namely, excellent fuel economy and low-end torque. Its combination of Mazda’s design philosophy and efficient engine technology ensures it continues to hold its appeal for years to come.

