The Volkswagen Polo IV (9N) facelift of 2005, specifically the 1.9 TDI variant producing 130 horsepower, represents a significant evolution of Volkswagen’s supermini. Introduced as a successor to the Polo 6N, the 9N generation aimed to elevate the Polo’s appeal with a more modern design, improved interior quality, and enhanced safety features. While the Polo has always been a mainstay in European markets, particularly as a first car or city runabout, the 9N generation saw increased sophistication and a broader appeal. This 3-door hatchback version, powered by a robust diesel engine, offered a compelling blend of fuel efficiency and performance for its time.
Volkswagen Polo IV (9N) 1.9 TDI: A Detailed Overview
The Polo IV (9N) facelift, produced between 2005 and 2009, built upon the foundation laid by the initial 9N release. The facelift brought subtle but noticeable changes to the exterior styling, including revised headlights and bumpers, as well as interior refinements. The 1.9 TDI engine, a staple of Volkswagen’s diesel lineup, was a key component of the Polo’s appeal, offering strong torque and excellent fuel economy. This particular model was primarily sold in Europe, where diesel engines held a much larger market share than in the United States. It competed with other superminis like the Ford Fiesta, Renault Clio, and Opel Corsa.
Engine & Performance
The heart of the 2005 Volkswagen Polo IV (9N) 1.9 TDI is its 1.9-liter inline-four cylinder diesel engine. This engine, designated ASZ or BLT, delivers 130 horsepower at 4,000 rpm and a substantial 310 Nm (228.64 lb.-ft.) of torque at 1,900 rpm. The engine utilizes a pump-nozzle (unit injector) fuel injection system and is turbocharged with an intercooler, contributing to its impressive power output and efficiency. The engine’s 19:1 compression ratio is typical for a direct injection diesel. This configuration allows for brisk acceleration, with a 0-60 mph time of approximately 8.7 seconds and a 0-100 km/h time of 9.2 seconds. The Polo 1.9 TDI achieves a maximum speed of 206 km/h (128 mph). The engine’s front, transverse layout optimizes space utilization within the compact Polo chassis. Power per liter is a respectable 68.6 hp/l, showcasing the engine’s efficiency.
Design & Features
The 2005 Volkswagen Polo IV (9N) 1.9 TDI is a 3-door hatchback, offering a sporty and compact profile. It seats five passengers and provides a practical level of cargo space. The trunk offers 270 liters (9.53 cu. ft.) of space with the rear seats up, expanding to 1030 liters (36.37 cu. ft.) when the rear seats are folded down. The vehicle’s dimensions are 3897 mm (153.43 in.) in length, 1650 mm (64.96 in.) in width, and 1465 mm (57.68 in.) in height. Safety features for the time included ABS (Anti-lock Braking System) and ventilated front discs with disc brakes in the rear. The steering is rack and pinion with hydraulic power assistance. The vehicle rides on 14-inch wheels with 165/70 R14 tires. The interior, while relatively basic by modern standards, was considered well-built and functional for its class, focusing on durability and practicality. The Polo’s design prioritized a balance between aesthetics and usability, making it a popular choice for urban drivers.
Technical Specifications
| Brand | Volkswagen |
| Model | Polo |
| Generation | Polo IV (9N, facelift 2005) |
| Type (Engine) | 1.9 TDI (130 Hp) 3-d |
| Start of production | 2005 |
| End of production | 2009 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3 |
| Fuel consumption (urban) | 6.8 l/100 km (34.6 US mpg, 41.5 UK mpg, 14.7 km/l) |
| Fuel consumption (extra urban) | 4.3 l/100 km (54.7 US mpg, 65.7 UK mpg, 23.3 km/l) |
| Fuel consumption (combined) | 5.2 l/100 km (45.2 US mpg, 54.3 UK mpg, 19.2 km/l) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9.2 sec |
| Acceleration 0 – 62 mph | 9.2 sec |
| Acceleration 0 – 60 mph | 8.7 sec |
| Maximum speed | 206 km/h (128 mph) |
| Weight-to-power ratio | 8.4 kg/Hp |
| Weight-to-torque ratio | 3.5 kg/Nm |
| Power | 130 Hp @ 4000 rpm |
| Torque | 310 Nm @ 1900 rpm (228.64 lb.-ft. @ 1900 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | ASZ, BLT |
| Engine displacement | 1896 cm3 (115.7 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 79.5 mm (3.13 in.) |
| Piston Stroke | 95.5 mm (3.76 in.) |
| Compression ratio | 19:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Pump-nozzle (Unit Injector) |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | OHC |
| Engine oil capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Coolant | 5 l (5.28 US qt | 4.4 UK qt) |
| Kerb Weight | 1095 kg (2414.06 lbs.) |
| Max. weight | 1650 kg (3637.63 lbs.) |
| Max load | 555 kg (1223.57 lbs.) |
| Trunk (boot) space – minimum | 270 l (9.53 cu. ft.) |
| Trunk (boot) space – maximum | 1030 l (36.37 cu. ft.) |
| Fuel tank capacity | 45 l (11.89 US gal | 9.9 UK gal) |
| Length | 3897 mm (153.43 in.) |
| Width | 1650 mm (64.96 in.) |
| Height | 1465 mm (57.68 in.) |
| Wheelbase | 2460 mm (96.85 in.) |
| Front track | 1435 mm (56.5 in.) |
| Rear (Back) track | 1425 mm (56.1 in.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Trailing arm |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 165/70 R14 |
| Wheel rims size | 14 |
