The Citroen C5 Aircross I (Phase II), specifically the 1.2 PureTech 136 hp Mild Hybrid e-DSC variant, represents a mid-life refresh of Citroen’s popular compact SUV. Introduced in June 2023 and continuing through April 2025, this version aimed to enhance fuel efficiency and appeal to buyers seeking a balance between practicality, comfort, and modern technology. It falls within the broader C5 Aircross I generation (introduced in 2018), built on the EMP2 platform shared with other Stellantis vehicles like the Peugeot 3008 and Opel/Vauxhall Grandland. This particular engine and transmission combination positioned itself as a mainstream offering within the C5 Aircross lineup, bridging the gap between the base-level engines and the more powerful options.
Technical Specifications
| Brand | Citroen |
| Model | C5 Aircross |
| Generation | C5 Aircross I (Phase II, 2022) |
| Type (Engine) | 1.2 (136 Hp) Mild Hybrid e-DSC |
| Start of production | June, 2023 |
| End of production | April, 2025 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption at Low speed (WLTP) | 4.8-5.0 l/100 km (49 – 47 US mpg) |
| Fuel consumption at Medium speed (WLTP) | 5.4-5.5 l/100 km (43.6 – 42.8 US mpg) |
| Fuel consumption at high speed (WLTP) | 5.0-5.2 l/100 km (47 – 45.2 US mpg) |
| Fuel consumption at very high speed (WLTP) | 6.7-6.8 l/100 km (35.1 – 34.6 US mpg) |
| Combined fuel consumption (WLTP) | 5.6-5.8 l/100 km (42 – 40.6 US mpg) |
| CO2 emissions (WLTP) | 127-130 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.2 sec |
| Acceleration 0 – 62 mph | 10.2 sec |
| Acceleration 0 – 60 mph | 9.7 sec |
| Maximum speed | 200 km/h (124.27 mph) |
| Emission standard | Euro 6e |
| Weight-to-power ratio | 11.3 kg/Hp |
| Weight-to-torque ratio | 6.7 kg/Nm |
| Gross battery capacity | 0.89 kWh |
| Battery voltage | 48 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Electric motor power | 21 Hp @ 4264 rpm |
| Electric motor Torque | 51 Nm (37.62 lb.-ft.) |
| Electric motor location | Integrated into the transmission |
| Electric motor type | Synchronous |
| Power | 136 Hp @ 5500 rpm |
| Torque | 230 Nm @ 1750 rpm (169.64 lb.-ft. @ 1750 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | HN09 |
| Engine displacement | 1199 cm3 (73.17 cu. in.) |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 3.5 l (3.7 US qt | 3.08 UK qt) |
| Kerb Weight | 1531-1638 kg (3375.28 – 3611.17 lbs.) |
| Max. weight | 2050 kg (4519.48 lbs.) |
| Max load | 412-519 kg (908.3 – 1144.2 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Trunk (boot) space – maximum | 1510 l (53.33 cu. ft.) |
| Fuel tank capacity | 53 l (14 US gal | 11.66 UK gal) |
| Permitted trailer load with brakes (12%) | 1250 kg (2755.78 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 70 kg (154.32 lbs.) |
| Length | 4500 mm (177.17 in.) |
| Width | 1969 mm (77.52 in.) |
| Width including mirrors | 2099 mm (82.64 in.) |
| Height | 1689 mm (66.5 in.) |
| Wheelbase | 2730 mm (107.48 in.) |
| Front track | 1579-1601 mm (62.17 – 63.03 in.) |
| Rear (Back) track | 1608-1630 mm (63.31 – 64.17 in.) |
| Front overhang | 917 mm (36.1 in.) |
| Rear overhang | 853 mm (33.58 in.) |
| Drivetrain Architecture | Front wheel drive. MHEV. ICE and electric motor drive front wheels. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission e-DSC |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Tires size | 225/55 R18 93V |
| Wheel rims size | 18 |
INTRODUCTION
The Citroen C5 Aircross Phase II, launched in 2022, continued Citroen’s commitment to comfort and distinctive styling in the compact SUV segment. The 1.2 PureTech 136 hp Mild Hybrid e-DSC variant was a key component of the refreshed lineup, offering a more fuel-efficient powertrain option without sacrificing everyday usability. This model year saw updates to the exterior design, interior technology, and a greater emphasis on hybrid powertrains to meet increasingly stringent emissions regulations. The C5 Aircross, in general, aimed to stand out from the crowded SUV market with its unique design and focus on ride quality, thanks to its innovative suspension system.
Powertrain & Engine Architecture
At the heart of this variant lies the HN09 1.2-liter three-cylinder turbocharged gasoline engine. This engine is part of Citroen’s PureTech family, known for its efficiency and responsiveness. The engine utilizes direct fuel injection and a single-scroll turbocharger to deliver 136 horsepower at 5500 rpm and 230 Nm (169.64 lb-ft) of torque at 1750 rpm. The ‘e-DSC’ designation signifies the integration of a 48-volt mild hybrid system. This system comprises a small electric motor (21 hp and 51 Nm of torque) and a lithium-ion battery (0.89 kWh) that assists the engine during acceleration and allows for extended start-stop functionality. The electric motor is integrated directly into the transmission. The engine is paired with an Aisin-sourced six-speed automatic transmission, specifically tuned for smooth operation and optimized fuel economy. This transmission features the e-DSC system for improved responsiveness and efficiency.
Driving Characteristics
The 1.2 PureTech 136 hp Mild Hybrid e-DSC C5 Aircross offers a comfortable and refined driving experience. While not a performance-oriented variant, the mild hybrid system provides a noticeable boost during initial acceleration, making it feel more responsive in urban driving conditions. The six-speed automatic transmission shifts smoothly, and the engine is generally quiet and refined at cruising speeds. Compared to higher-powered C5 Aircross variants (like the 180 hp PureTech), this version feels less eager to accelerate, and overtaking maneuvers require more planning. However, the fuel economy benefits are significant. The gear ratios are optimized for efficiency, prioritizing lower engine speeds at highway speeds. The progressive hydraulic cushion suspension, a Citroen hallmark, contributes to a remarkably smooth ride, absorbing bumps and imperfections in the road surface effectively.
Equipment & Trim Levels
The C5 Aircross 1.2 PureTech 136 hp Mild Hybrid e-DSC typically came equipped with a generous level of standard features. These included a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, automatic climate control, rear parking sensors, and a suite of safety features such as lane departure warning, automatic emergency braking, and traffic sign recognition. Higher trim levels offered additional features like a panoramic sunroof, leather upholstery, a premium sound system, and adaptive cruise control. Interior upholstery was typically cloth in the base trims, with leather options available on higher-spec models. The dashboard layout was modern and functional, with a focus on user-friendliness.
Chassis & Braking
The C5 Aircross utilizes a MacPherson strut front suspension and a twist-beam rear axle. The unique feature is the progressive hydraulic cushion suspension, which uses hydraulic cushions in the shock absorbers to provide a smoother and more controlled ride. The braking system consists of ventilated discs on the front wheels and solid discs on the rear. ABS (Anti-lock Braking System) is standard, along with electronic brake-force distribution and emergency brake assist. The steering is electric power-assisted, providing a light and responsive feel.
Market Reception & Comparison
The C5 Aircross 1.2 PureTech 136 hp Mild Hybrid e-DSC was generally well-received by critics for its comfortable ride, fuel efficiency, and distinctive styling. However, some reviewers noted that the engine could feel strained when fully loaded or driving uphill. Compared to the more powerful PureTech 180 hp variant, this version offered a more affordable entry point into the C5 Aircross range, appealing to buyers prioritizing economy over outright performance. The mild hybrid system provided a noticeable improvement in fuel economy compared to the non-hybrid 1.2 PureTech models. Against competitors like the Peugeot 3008, Nissan Qashqai, and Hyundai Tucson, the C5 Aircross stood out with its unique suspension and focus on comfort.
Legacy
The 1.2 PureTech engine, while generally reliable, has been subject to some reports of timing chain issues in certain applications. Regular maintenance, including oil changes and adherence to Citroen’s recommended service intervals, is crucial for ensuring the longevity of this powertrain. The mild hybrid system has proven to be relatively robust, contributing to improved fuel economy and reduced emissions. In the used car market, the C5 Aircross 1.2 PureTech 136 hp Mild Hybrid e-DSC represents a good value proposition for buyers seeking a comfortable, practical, and fuel-efficient SUV. Its distinctive styling and innovative suspension continue to make it a compelling choice in the compact SUV segment.
