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Hyundai U engine | |
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Overview | |
Manufacturer | Hyundai Motor Group |
Production | 2004–present |
Layout | |
Configuration | Straight-3 or Straight-4 |
Displacement | 1.1 L (1,120 cc) 1.2 L (1,186 cc) 1.4 L (1,396 cc) 1.5 L (1,493 cc) 1.6 L (1,582 cc) 1.7 L (1,685 cc) |
Cylinder bore | 75 mm (2.95 in) 77.0 mm (3.03 in) 77.2 mm (3.04 in) |
Piston stroke | 79 mm (3.11 in) 84.5 mm (3.33 in) 85.8 mm (3.38 in) 90 mm (3.54 in) |
Cylinder block material | Cast iron |
Cylinder head material | Aluminum |
Valvetrain | DOHC 4 valves x cyl. |
Compression ratio | 17.0:1, 17.3:1 |
Combustion | |
Turbocharger | Fixed or variable geometry |
Fuel system | Common rail direct injection |
Management | Delphi or Bosch |
Fuel type | Diesel |
Cooling system | Water-cooled |
Output | |
Power output | 71–141 PS (52–104 kW; 70–139 hp) |
Torque output | 15.6–34.7 kg⋅m (153–340 N⋅m; 113–251 lbf⋅ft) |
Chronology | |
Predecessor | Hyundai D engine |
Successor | Smartstream D1.5/D1.6 |
The Hyundai U engine is a series of three or four-cylinder diesel engines made for automotive applications by the Hyundai Kia Automotive Group. The U series of engines includes the smallest automotive diesel engines produced by Hyundai.[1]
The R-Engine brings Hyundai's diesel engine family fully up-to-date as it joins the U-Engine (1.1-liter, 1.4-liter and 1.6-liter), the A-Engine (2.5-liter) and S-Engine (3.0-liter V6).
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