Volkswagen Touareg I (7L) 2.5 TDI (174 Hp) 4MOTION Tiptronic

The Volkswagen Touareg I (7L), produced from 2003 to 2006, represents Volkswagen’s initial foray into the burgeoning luxury SUV market. Positioned as a competitor to vehicles like the BMW X5 and Mercedes-Benz M-Class, the Touareg aimed to offer a blend of on-road comfort and genuine off-road capability. This first-generation model, designated 7L internally, was notable for sharing a platform with the Porsche Cayenne and Audi Q7, a collaboration that leveraged shared development costs and engineering expertise. The 2.5 TDI variant, equipped with a 174 horsepower engine and 4MOTION all-wheel drive, was a significant offering in European markets, providing a balance of fuel efficiency and performance.

Volkswagen Touareg I (7L) 2.5 TDI: An Overview

The Touareg I (7L) 2.5 TDI 4MOTION Tiptronic was primarily marketed in Europe and other regions outside of North America. Volkswagen did not initially offer the Touareg in the United States until a later model year with different engine options. The 2.5 TDI model was popular due to its diesel engine, which offered good fuel economy and torque, making it suitable for both long-distance travel and towing. The 4MOTION system provided enhanced traction in various conditions, while the Tiptronic automatic transmission allowed for both automatic and manual gear selection.

Engine & Performance

The heart of the Touareg I (7L) 2.5 TDI is a 2.5-liter inline five-cylinder diesel engine. This engine, identified by the codes BAC and BLK, produces 174 horsepower at 3500 rpm and a substantial 400 Nm (295 lb-ft) of torque at 2000 rpm. The engine utilizes a pump-nozzle (unit injector) fuel injection system and is equipped with a turbocharger and intercooler to enhance performance. The longitudinal engine layout contributes to a balanced weight distribution. Despite its size and weight, the Touareg 2.5 TDI achieves a 0-100 km/h (0-62 mph) acceleration time of 12.9 seconds and a maximum speed of 179 km/h (111.23 mph). The weight-to-power ratio of 14.4 kg/Hp and weight-to-torque ratio of 6.3 kg/Nm demonstrate a reasonable balance between engine output and vehicle mass. Fuel consumption is rated at 10.1 l/100 km (23.3 US mpg) combined, with 13.6 l/100 km (17.3 US mpg) in urban settings and 8.1 l/100 km (29 US mpg) on the extra-urban cycle.

Design & Features

The Touareg I (7L) is a five-door SUV with seating for five passengers. Its design is characterized by a robust and functional aesthetic, reflecting its off-road intentions. The vehicle boasts a spacious interior with a focus on practicality and comfort. Key features include a 4MOTION all-wheel-drive system, which provides excellent traction on various surfaces, and a Tiptronic six-speed automatic transmission offering both automatic and manual shifting modes. Safety features, while not as comprehensive as modern SUVs, included ABS (Anti-lock Braking System). The Touareg’s generous trunk space, ranging from 555 liters (19.6 cu ft) with the rear seats up to 1570 liters (55.44 cu ft) with them folded down, adds to its practicality. The vehicle’s dimensions – a length of 4754 mm (187.17 in), a width of 1928 mm (75.91 in), and a height of 1726 mm (67.95 in) – position it as a mid-size SUV. Ground clearance of 237 mm (9.33 in) and approach/departure angles of 28° further emphasize its off-road capabilities.

Technical Specifications

BrandVolkswagen
ModelTouareg
GenerationTouareg I (7L)
Type (Engine)2.5 TDI (174 Hp) 4MOTION Tiptronic
Start of production2003
End of production2006
Powertrain ArchitectureInternal Combustion engine
Body typeSUV
Seats5
Doors5
Fuel consumption (urban)13.6 l/100 km (17.3 US mpg, 20.8 UK mpg)
Fuel consumption (extra urban)8.1 l/100 km (29 US mpg, 34.9 UK mpg)
Fuel consumption (combined)10.1 l/100 km (23.3 US mpg, 28 UK mpg)
CO2 emissions273 g/km
Fuel TypeDiesel
Acceleration 0 – 100 km/h12.9 sec
Acceleration 0 – 62 mph12.9 sec
Acceleration 0 – 60 mph12.3 sec
Maximum speed179 km/h (111.23 mph)
Emission standardEuro 3
Weight-to-power ratio14.4 kg/Hp
Weight-to-torque ratio6.3 kg/Nm
Power174 Hp @ 3500 rpm
Torque400 Nm @ 2000 rpm (295.02 lb.-ft. @ 2000 rpm)
Engine layoutFront, Longitudinal
Engine Model/CodeBAC, BLK
Engine displacement2460 cm3 (150.12 cu. in.)
Number of cylinders5
Engine configurationInline
Cylinder Bore81 mm (3.19 in.)
Piston Stroke95.5 mm (3.76 in.)
Compression ratio18:1
Number of valves per cylinder2
Fuel injection systemPump-nozzle (Unit Injector)
Engine aspirationTurbocharger, Intercooler
ValvetrainSOHC
Engine oil capacity8.9 l (9.4 US qt | 7.83 UK qt)
Coolant9 l (9.51 US qt | 7.92 UK qt)
Kerb Weight2510 kg (5533.6 lbs.)
Max. weight2850 kg (6283.17 lbs.)
Max load340 kg (749.57 lbs.)
Trunk (boot) space – minimum555 l (19.6 cu. ft.)
Trunk (boot) space – maximum1570 l (55.44 cu. ft.)
Fuel tank capacity100 l (26.42 US gal | 22 UK gal)
Max. roof load100 kg (220.46 lbs.)
Permitted trailer load with brakes (12%)3500 kg (7716.18 lbs.)
Permitted trailer load without brakes750 kg (1653.47 lbs.)
Permitted towbar download140 kg (308.65 lbs.)
Length4754 mm (187.17 in.)
Width1928 mm (75.91 in.)
Width including mirrors2230 mm (87.8 in.)
Height1726 mm (67.95 in.)
Wheelbase2855 mm (112.4 in.)
Front track1658 mm (65.28 in.)
Rear (Back) track1670 mm (65.75 in.)
Ride height (ground clearance)237 mm (9.33 in.)
Approach angle28°
Departure angle28°
Ramp-over (brakeover) angle22.1°
Climb angle45°
Wading depth500 mm (19.69 in.)
Drivetrain ArchitectureAll wheel drive (4×4). ICE drives permanently the four wheels.
Number of gears and type of gearbox6 gears, automatic transmission Tiptronic
Front suspensionDouble wishbone, Transverse stabilizer
Rear suspensionDouble wishbone, Transverse stabilizer
Front brakesVentilated discs
Rear brakesVentilated discs
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringHydraulic Steering
Tires size235/65 R17
Wheel rims size7.5J x 17

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