Toyota 4GR engine (V6)

Manufacturer	Toyota Motor Corporation
Production	2003–
Configuration	DOHC 60° V6
Fuel	Petrol
Displacement	2,499cc
Predecessor	Toyota MZ engine Toyota JZ engine (I6) Toyota VZ engine

The Toyota 4GR Engine is a petrol V6 engine used in Lexus and Toyota cars from 2003 on.

History

The Toyota GR engine family is an V6 piston engine series. The GR series has a 60° die-cast aluminum block and aluminum DOHC cylinder heads. This engine series also features 4 valves per cylinder, forged steel connecting rods, one-piece cast camshafts, and a cast aluminum lower intake manifold.

Some variants use multi-port fuel injection, some have D4 direct injection, and others have a combination of direct injection and multi-port fuel injection or D4-S.The GR series replaces the previous MZ V6 and JZ inline-6, and in the case of light trucks the VZ V6.

The 4GR-FSE is a 2.5 L (2499 cc) version. Bore is 83.0 mm while stroke is reduced to 77.0 mm. Output is 207 PS (152 kW; 204 hp) at 6,400 RPM and 26.5 kg·m (260 N·m; 192 lb·ft) at 3,800 RPM. This version also features Dual VVT-i, variable valve timing on both the intake and exhaust cams and an improved D4 direct injection system.For 2006 on model year vehicles. Toyota rates engines on 87 pump octane, Lexus rates engines on 91 pump octanes.

Type V6 DOHC 24 valve Dual VVT-i (D-4)
Displacement 2,499cc
Inner diameter φ83mm x stroke 77.0mm
Compression ratio 12.0

Japanese spec Output/torque
158kW (215PS)/6,400rpm 260Nm (26.5kg-m)/3,800rpm (premium gasoline specification)
149kW (203 PS)/6,400 rpm 243 Nm (24.8 kg-m)/4,800 rpm (regular gasoline specification)

Applications (calendar years):

• 2003 Toyota Crown Royal & Athlete (GRS180/181) (Japan)
• 2004 Toyota Mark X (GRX120/125) (Japan)
• 2006 Lexus IS 250 & IS 250 C (GSE20/25)
• 2008 Toyota Crown Royal & Athlete (GRS200/201) (Japan)
• 2009 Toyota Mark X (GRX130/135) (Japan)
• 2012 Lexus GS250