The Citroën CX II 25 GTi Turbo 2, produced between 1986 and 1989, represented a high-performance variant within the second generation (CX II) of Citroën’s innovative CX line. Building upon the already technologically advanced CX, the 25 GTi Turbo 2 aimed to deliver a more engaging driving experience with increased power and refined handling. It occupied a premium position in the CX lineup, positioned above the naturally aspirated models and serving as a flagship for performance enthusiasts. The CX II, and particularly this variant, was a showcase of French engineering, known for its hydropneumatic suspension and distinctive wedge-shaped design.
Technical Specifications
| Brand | Citroen |
| Model | CX |
| Generation | CX II |
| Type (Engine) | 25 GTi Turbo 2 (168 Hp) |
| Start of production | 1986 |
| End of production | 1989 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 13.8 l/100 km (17 US mpg, 20.5 UK mpg, 7.2 km/l) |
| Fuel consumption (extra urban) | 7.8 l/100 km (30.2 US mpg, 36.2 UK mpg, 12.8 km/l) |
| Fuel consumption (combined) | 10.4 l/100 km (22.6 US mpg, 27.2 UK mpg, 9.6 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.8 sec |
| Acceleration 0 – 62 mph | 7.8 sec |
| Acceleration 0 – 60 mph | 7.4 sec |
| Maximum speed | 223 km/h (138.57 mph) |
| Weight-to-power ratio | 8.2 kg/Hp, 121.3 Hp/tonne |
| Weight-to-torque ratio | 4.7 kg/Nm, 212.3 Nm/tonne |
| Power | 168 Hp @ 5000 rpm |
| Power per litre | 67.2 Hp/l |
| Torque | 294 Nm @ 3250 rpm (216.84 lb.-ft. @ 3250 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | M25.662 |
| Engine displacement | 2500 cm3 (152.56 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 93 mm (3.66 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 8.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger |
| Engine oil capacity | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Coolant | 12.5 l (13.21 US qt | 11 UK qt) |
| Kerb Weight | 1385 kg (3053.4 lbs.) |
| Max. weight | 1885 kg (4155.71 lbs.) |
| Max load | 500 kg (1102.31 lbs.) |
| Trunk (boot) space – minimum | 485 l (17.13 cu. ft.) |
| Trunk (boot) space – maximum | 507 l (17.9 cu. ft.) |
| Fuel tank capacity | 68 l (17.96 US gal | 14.96 UK gal) |
| Max. roof load | 80 kg (176.37 lbs.) |
| Permitted towbar download | 100 kg (220.46 lbs.) |
| Length | 4650 mm (183.07 in.) |
| Width | 1770 mm (69.69 in.) |
| Height | 1360 mm (53.54 in.) |
| Wheelbase | 2845 mm (112.01 in.) |
| Front track | 1520 mm (59.84 in.) |
| Rear (Back) track | 1370 mm (53.94 in.) |
| Ride height (ground clearance) | 160 mm (6.3 in.) |
| Drag coefficient (Cd) | 0.36 |
| Minimum turning circle | 12.50 m (41.01 ft.) |
| Drivetrain Architecture | ICE, Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Hydro-pneumatic element |
| Rear suspension | Hydro-pneumatic element |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
Powertrain & Engine Architecture
The heart of the CX II 25 GTi Turbo 2 is the M25.662 engine, a 2.5-liter inline-four cylinder gasoline engine. This engine is distinguished by its turbocharging, which significantly boosts power output compared to the naturally aspirated 2.5-liter engines found in other CX models. The engine utilizes a multi-port fuel injection system, contributing to improved fuel efficiency and throttle response. The engine’s 8.5:1 compression ratio was a compromise between performance and reliability, allowing for the use of readily available gasoline grades. The turbocharger itself was a Garrett unit, carefully matched to the engine’s characteristics to minimize turbo lag and provide a broad torque curve. The engine’s 168 horsepower at 5000 rpm and 294 Nm (216.84 lb-ft) of torque at 3250 rpm provided a substantial performance increase over the standard CX 25. The engine is transversely mounted, driving the front wheels.
Driving Characteristics
The CX II 25 GTi Turbo 2 offered a unique driving experience, largely defined by Citroën’s innovative hydropneumatic suspension. This system provided an exceptionally smooth and comfortable ride, absorbing bumps and imperfections in the road with remarkable ease. However, the 25 GTi Turbo 2 was not simply a comfortable cruiser. The turbocharger provided a noticeable surge of power, resulting in brisk acceleration. While the five-speed manual transmission allowed for precise control, the turbo lag was still present, requiring drivers to anticipate and plan their gear changes. Compared to the naturally aspirated CX 25, the Turbo 2 felt significantly more responsive and capable, particularly during overtaking maneuvers. The steering, while hydraulic, retained a degree of feel, providing a connection to the road that was often lacking in other cars of the era.
Equipment & Trim Levels
The 25 GTi Turbo 2 was well-equipped for its time. Standard features included power windows, central locking, and a high-quality stereo system. The interior was typically trimmed with velour upholstery, and the dashboard featured a comprehensive array of gauges, including a boost gauge to monitor turbocharger performance. Optional extras included leather upholstery, air conditioning, and a sunroof. The exterior was distinguished by subtle styling cues, such as a rear spoiler and unique alloy wheels. The overall ambiance of the interior was one of understated luxury and sophistication.
Chassis & Braking
The CX II 25 GTi Turbo 2 utilized the same sophisticated hydropneumatic suspension system as other CX models, but with slightly firmer damping settings to improve handling. The suspension allowed the car to maintain a level ride height regardless of load, contributing to stability and comfort. The front suspension featured independent hydropneumatic elements, while the rear suspension also employed a hydropneumatic setup. Braking duties were handled by ventilated discs at the front and solid discs at the rear. An anti-lock braking system (ABS) was standard, enhancing safety and control during hard braking. The steering system was a rack-and-pinion type with hydraulic power assistance.
Market Reception & Comparison
The Citroën CX II 25 GTi Turbo 2 was generally well-received by automotive critics, who praised its innovative technology, comfortable ride, and strong performance. However, some critics noted the complexity of the hydropneumatic suspension system and the potential for maintenance issues. Compared to other performance hatchbacks of the late 1980s, such as the Volkswagen Golf GTI or the Ford Escort RS Turbo, the CX II 25 GTi Turbo 2 offered a more refined and luxurious experience, but at a higher price point. Fuel economy, while reasonable for a turbocharged engine of its era, was not a strong point, with combined fuel consumption around 22.6 US mpg.
Legacy
The Citroën CX II 25 GTi Turbo 2 remains a sought-after classic car, appreciated by enthusiasts for its unique blend of technology, performance, and comfort. The hydropneumatic suspension system, while complex, is still admired for its ability to provide an exceptionally smooth ride. The M25.662 engine, while requiring careful maintenance, is known to be durable when properly cared for. Today, finding a well-maintained example can be challenging, but the CX II 25 GTi Turbo 2 continues to represent a high point in Citroën’s engineering history and a distinctive alternative to more mainstream performance cars of the era. Its rarity and unique character ensure its continued appeal to collectors and enthusiasts alike.
