Hyundai Smartstream engine

The Hyundai Smartstream is a gasoline and diesel automobile engine branding used by Hyundai since 2018. An all-aluminum engine of Hyundai Motor Company debuted in the third-generation Hyundai i30 hatchback (codenamed PD), which was unveiled in 2018 at the Paris Motor Show.

Smartstream engine
2021 Hyundai Sonata Smartstream G2.5 MPi engine
Overview
ManufacturerHyundai Motor Company
Production2018–present
Layout
Configuration
  • Inline-three
  • Inline-four
  • Inline-six
  • V6
Displacement
  • 60.9 cu in (998 cc)
  • 73.0 cu in (1,197 cc)
  • 85.2 cu in (1,396 cc)
  • 90.4 cu in (1,482 cc)
  • 91.1 cu in (1,493 cc)
  • 91.2 cu in (1,495 cc)
  • 91.4 cu in (1,497 cc)
  • 91.4 cu in (1,498 cc)
  • 96.4 cu in (1,580 cc)
  • 97.5 cu in (1,598 cc)
  • 120.5 cu in (1,975 cc)
  • 122.0 cu in (1,999 cc)
  • 131.3 cu in (2,151 cc)
  • 152.4 cu in (2,497 cc)
  • 182.8 cu in (2,996 cc)
  • 211.8 cu in (3,470 cc)
Cylinder bore
  • 71 mm (2.8 in) (1.0L/1.2L)
  • 71.6 mm (2.82 in) (1.4L/1.5L)
  • 72 mm (2.8 in) (1.5L/1.6L HEV)
  • 75.6 mm (2.98 in) (1.5L/1.6L)
  • 77 mm (3.0 in) (1.6L)
  • 80.5 mm (3.17 in) (2.0 T-GDi)
  • 81 mm (3.2 in) (1.8L/2.0L)
  • 83 mm (3.3 in) (2.0L/2.2L/3.0L)
  • 88.5 mm (3.48 in) (2.5L)
  • 92 mm (3.6 in) (3.5L)
Piston stroke
  • 75.6 mm (2.98 in) (1.2L)
  • 83.38 mm (3.283 in) (1.5L)
  • 84 mm (3.3 in) (1.0L/1.4L)
  • 85.8 mm (3.38 in) (1.6L)
  • 87 mm (3.4 in) (3.5L)
  • 87.2 mm (3.43 in) (1.8L)
  • 89 mm (3.5 in) (1.6L)
  • 92 mm (3.6 in) (1.5L)
  • 92.3 mm (3.63 in) (2.0L/3.0L)
  • 97 mm (3.8 in) (1.6L HEV/2.0L)
  • 99.4 mm (3.91 in) (2.2L)
  • 101.5 mm (4.00 in) (2.5L)
Cylinder block materialAluminium
Cylinder head materialAluminium
ValvetrainDOHC
Compression ratio10.0:1–16.0:1
Combustion
Fuel system
Fuel type
Cooling systemWatercooled
Output
Power output76–415 PS (75–409 hp; 56–305 kW)
Torque output9.7–60 kg⋅m (95–588 N⋅m; 70–434 lbf⋅ft)
Emissions
Emissions target standardEuro 6
Chronology
Predecessor
  • Kappa (for Smartstream G1.0/G1.0T/G1.2/G1.4T/G1.5/G1.5T/G1.6HEV)
  • Gamma (for Smartstream G1.6/G1.6T)
  • Nu (for Smartstream G2.0/L2.0)
  • Theta (for Smartstream G2.5/G2.5T)
  • Lambda (for Smartstream G3.5/G3.5T/L3.5)
  • U-Line (for Smartstream D1.5/D1.6)
  • R-Line (for Smartstream D2.0/D2.2)
  • S-Line (for Smartstream D3.0)
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