The Toyota Yaris, known in Japan as the Vitz, is a subcompact hatchback produced by Toyota since 1999. The first generation, known as the Yaris I, was a significant departure for Toyota, representing a move towards more contemporary and youthful styling. This generation, particularly the facelifted version introduced in 2003, aimed to appeal to a broader European audience with its practicality, fuel efficiency, and compact dimensions. The 2003 facelift brought subtle styling revisions and refinements to the engine lineup, including the 1.4 D-4D diesel variant discussed here. This model was primarily sold in Europe, where small, economical diesel hatchbacks were – and continue to be – highly popular.
Toyota Yaris I (Facelift 2003) 1.4 D-4D: An Overview
The Yaris I (facelift 2003) 5-door 1.4 D-4D represents Toyota’s entry into the European subcompact diesel market. It was designed to compete with established players like the Peugeot 206, Renault Clio, and Volkswagen Polo, offering a blend of affordability, reliability, and fuel economy. The “D-4D” designation refers to Toyota’s direct-injection common rail diesel technology, which aimed to deliver improved performance and reduced emissions compared to older diesel engines. This particular variant, producing 75 horsepower, was geared towards drivers prioritizing efficiency and low running costs over outright performance.
Engine & Performance
The heart of the Yaris 1.4 D-4D is a 1.4-liter inline-four cylinder diesel engine, designated the 1ND-TV. This engine displaces 1364 cm³ (83.24 cubic inches) and utilizes a turbocharger with an intercooler to boost power and torque. It produces 75 horsepower at 4000 rpm and 170 Nm (125.39 lb.-ft.) of torque between 2000 and 2800 rpm. While not a performance-oriented engine, the turbocharger provides adequate power for everyday driving. The engine features a diesel common rail fuel injection system, contributing to improved fuel atomization and combustion efficiency. Power is delivered to the front wheels via a five-speed manual transmission. Acceleration from 0 to 100 km/h (0-62 mph) takes 12.9 seconds, and the car reaches a top speed of 170 km/h (105.63 mph). A 0-60 mph time is calculated at 12.3 seconds. The engine’s relatively high compression ratio of 18.5:1 is typical for a diesel engine and contributes to its efficiency.
Design & Features
The Yaris I (facelift 2003) is a five-door hatchback with a practical and functional design. The facelift brought minor cosmetic changes, including revised headlights and bumpers, giving the car a slightly more modern appearance. The interior is designed to maximize space within the car’s compact footprint. It comfortably seats five passengers and offers a versatile cargo area. With the rear seats up, the trunk provides 205 liters (7.24 cubic feet) of space, expanding to 950 liters (33.55 cubic feet) when the rear seats are folded down. Safety features for the time included an Anti-lock Braking System (ABS). The car’s dimensions are 3640 mm (143.31 inches) in length, 1660 mm (65.35 inches) in width, and 1500 mm (59.06 inches) in height. The Yaris’s relatively small turning circle of 10.4 meters (34.12 feet) makes it easy to maneuver in urban environments. The drag coefficient of 0.30 contributes to its fuel efficiency.
Technical Specifications
| Brand | Toyota |
| Model | Yaris |
| Generation | Yaris I (facelift 2003) 5-door |
| Type (Engine) | 1.4 D-4D (75 Hp) |
| Start of production | 2003 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| 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) | 3.7 l/100 km (63.6 US mpg, 76.3 UK mpg, 27 km/l) |
| Fuel consumption (combined) | 4.2 l/100 km (56 US mpg, 67.3 UK mpg, 23.8 km/l) |
| CO2 emissions | 113 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 12.9 sec |
| Acceleration 0 – 62 mph | 12.9 sec |
| Acceleration 0 – 60 mph | 12.3 sec |
| Maximum speed | 170 km/h (105.63 mph) |
| Emission standard | Euro 3 |
| Weight-to-power ratio | 12.7 kg/Hp |
| Weight-to-torque ratio | 5.6 kg/Nm |
| Power | 75 Hp @ 4000 rpm |
| Torque | 170 Nm @ 2000-2800 rpm (125.39 lb.-ft. @ 2000-2800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 1ND-TV |
| Engine displacement | 1364 cm3 (83.24 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 73 mm (2.87 in.) |
| Piston Stroke | 81.5 mm (3.21 in.) |
| Compression ratio | 18.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | SOHC |
| Engine oil capacity | 4.1 l (4.33 US qt | 3.61 UK qt) |
| Coolant | 4 l (4.23 US qt | 3.52 UK qt) |
| Kerb Weight | 950-1045 kg (2094.39 – 2303.83 lbs.) |
| Max. weight | 1410 kg (3108.52 lbs.) |
| Max load | 365-460 kg (804.69 – 1014.13 lbs.) |
| Trunk (boot) space – minimum | 205 l (7.24 cu. ft.) |
| Trunk (boot) space – maximum | 950 l (33.55 cu. ft.) |
| Fuel tank capacity | 45 l (11.89 US gal | 9.9 UK gal) |
| Permitted trailer load with brakes (12%) | 900 kg (1984.16 lbs.) |
| Permitted trailer load without brakes | 400 kg (881.85 lbs.) |
| Length | 3640 mm (143.31 in.) |
| Width | 1660 mm (65.35 in.) |
| Height | 1500 mm (59.06 in.) |
| Wheelbase | 2370 mm (93.31 in.) |
| Front track | 1440-1450 mm (56.69 – 57.09 in.) |
| Rear (Back) track | 1420-1430 mm (55.91 – 56.3 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle (turning diameter) | 10.4 m (34.12 ft.) |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Trailing arm, Coil spring, Torsion |
| Front brakes | Ventilated discs, 235 mm |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 155/80 R13; 175/65 R14 |
| Wheel rims size | 13; 5.5J x 14 |
