Segment:
City Car / A-Segment
Target Audience:
Urban commuters, first-time car buyers, economy-conscious drivers
Key Competitors:
Toyota Aygo, Peugeot 107 (shared platform), Fiat Panda, Hyundai i10
Design Philosophy:
Compact, fuel-efficient, affordable urban transport
Platform Sharing:
Developed in partnership with Toyota, sharing many components and platform with Toyota Aygo and Peugeot 107
Engine:
1.0L 3-cylinder VTi petrol (ET3J4) and 1.4L HDi diesel (DV4TED4)
Transmission:
5-speed Manual, 5-speed Automated Manual (SensoDrive)
Brakes:
Front ventilated discs, rear drums (ABS optional)
Suspension:
Front MacPherson struts, rear torsion beam
Steering:
Electric Power Steering (EPS)
Electrical:
Full electrical system diagrams, component testing, ECU diagnostics, lighting, body electronics
Bodywork:
Exterior panels, interior trim, door mechanisms, glass, body repair procedures
Maintenance:
Scheduled servicing, oil changes, filter replacements, brake fluid changes, coolant flushes, spark plug replacement
Repair:
Engine component overhaul, transmission repair, brake caliper/master cylinder replacement, suspension component renewal, electrical component repair/replacement
Troubleshooting:
Diagnostic flowcharts for common faults, symptom-based troubleshooting guides
Diagnostics:
OBD-II fault code interpretation, sensor testing, actuator testing, use of diagnostic scan tools
Depth:
Comprehensive, covering routine maintenance to major component overhaul and diagnostics
Petrol Engine:
1.0L (998cc) 3-cylinder VTi (PSA/Toyota collaboration)
Diesel Engine:
1.4L (1398cc) HDi (PSA DV4TED4)
Horsepower Petrol:
68 PS (50 kW) @ 6000 rpm
Torque Petrol:
93 Nm (69 lb-ft) @ 3600 rpm
Horsepower Diesel:
54 PS (40 kW) @ 4000 rpm
Torque Diesel:
130 Nm (96 lb-ft) @ 1750 rpm
Fuel Injection Petrol:
Electronic Multi-Point Fuel Injection
Fuel Injection Diesel:
Common Rail Direct Injection (CRDi)
Emission Standard:
Euro IV
Petrol Engine Code:
1KR-FE (Toyota derived)
Diesel Engine Code:
DV4TED4
Transmission Type Standard:
5-speed Manual
Transmission Type Optional:
5-speed Automated Manual (SensoDrive)
Clutch Type:
Single dry plate (Manual), Automatic actuation (SensoDrive)
Gear Ratios Manual Petrol:
Specific ratios provided in manual (e.g., 3.45:1 1st, 1.87:1 2nd, 1.24:1 3rd, 0.97:1 4th, 0.82:1 5th, 3.76:1 Reverse)
Transmission Fluid Type Manual:
API GL-4, SAE 75W-80 (or equivalent specified by manufacturer)
Transmission Fluid Capacity Manual:
Approx. 2.0 liters
Euroncap Rating:
4 Stars (out of 5) - 2005
ABS:
Optional on many models, standard on higher trims
Esp:
Not commonly available on 2005 models
Airbags:
Driver and front passenger airbags standard, side airbags optional
Seatbelts:
3-point front and rear seatbelts, pre-tensioners on front seats
Isofix:
ISOFIX child seat mounting points available
Audio System:
Basic radio/CD player, often with front speakers only. Optional steering wheel audio controls on higher trims.
Display:
Simple LCD display for radio information, clock. No advanced infotainment screens typical of modern cars.
Parking Sensors:
Not commonly available or an aftermarket addition.
Bluetooth:
Rarely fitted as standard, likely an aftermarket upgrade if present.
Power Windows:
Front power windows standard or optional, rear windows typically manual.
Air Conditioning:
Optional on most models.
Oil Change Interval Petrol:
Every 15,000 km or 12 months, whichever comes first
Oil Change Interval Diesel:
Every 20,000 km or 12 months, whichever comes first
Air Filter Replacement:
Every 30,000 km or 24 months
Cabin Filter Replacement:
Every 15,000 km or 12 months
Spark Plug Replacement Petrol:
Every 60,000 km
Brake Fluid Change:
Every 2 years, regardless of mileage
Coolant Change:
Initial change at 120,000 km or 5 years, then every 60,000 km or 3 years
Engine Oil Petrol:
Fully Synthetic API SN/CF, ACEA A3/B4, viscosity SAE 0W-20 or 5W-30 (refer to manual for specific OE approval)
Engine Oil Diesel:
Fully Synthetic API CF/CF-4, ACEA B3/B4/C3, viscosity SAE 5W-40 (refer to manual for specific OE approval)
Coolant:
OAT (Organic Acid Technology) coolant, typically pink or orange, pre-diluted (e.g., PSA/Toyota Blue Longlife Coolant)
Common Problems Petrol:
Minor oil leaks from sump or rocker cover, catalytic converter issues, clutch wear (especially in city driving), exhaust system corrosion.
Common Problems Diesel:
DPF (Diesel Particulate Filter) clogging (if fitted/market dependent), injector issues, EGR valve problems, turbocharger wear.
General Issues:
Water ingress into cabin, electrical gremlins (especially window regulators), suspension wear (bushings, drop links), minor bodywork corrosion on sills/wheel arches.
Engine Oil Capacity Petrol:
Approx. 3.7 liters
Engine Oil Capacity Diesel:
Approx. 3.7 liters
Cooling System Capacity:
Approx. 4.5 liters
Citroen Legacy:
Citroën, a French manufacturer with a long history of innovative and practical vehicles, known for models like the 2CV and DS.
C1 Introduction:
The Citroën C1 was launched in 2005 as part of the PSA Peugeot Citroën Group's strategy to offer a competitive small car. It was developed in collaboration with Toyota as part of the 'B-Zero' project, sharing its platform, powertrain components, and assembly with the Toyota Aygo and Peugeot 107.
Manufacturing Location:
Assembly plant in Kolín, Czech Republic (also for Toyota Aygo and Peugeot 107)
Production Period:
2005 - 2014 (for the first generation)
Ecomotive Award:
The C1, particularly with the 1.0L petrol engine, was recognized for its fuel efficiency and low CO2 emissions, often being favored in city car of the year awards by motoring publications focusing on economy.
Owner Satisfaction:
Mixed to positive, often praised for running costs and maneuverability, but sometimes criticized for build quality and refinement compared to rivals.
