Buick Rainier GMT 360 5.3 i V8 (294 Hp)


Overall Rating

7.5 / 10
Safety N/A / 5
Not Rated
Engine 4.0 / 5
Value 3.7 / 5
Performance 3.8 / 5
Comfort 4.0 / 5
People\'s Opinion N/A / 5
Not Rated

Buick Rainier:

The Buick Rainier is a mid-size luxury SUV that was manufactured by General Motors and marketed by Buick for the 2004 to 2007 model years. It was named after Mount Rainier, and with the Saab 9-7X served as the replacement for the Oldsmobile Bravada.
Built on the GMT360 platform, the Rainier was introduced on July 28, 2003, for the 2004 model year, in a 5-door, 5-passenger configuration, and was the first short-wheelbase GMT360 to offer a V8. Both rear and all-wheel drive models were offered. It was built in the Moraine Assembly plant in Moraine, Ohio along with other GMT3600 vehicles....(Read more on Wikipedia)

GMT 360 Overview:

Buick Rainier (GMT 360). With 440 Nm of torque, it offers ample pulling power. Rear‑wheel drive offers dynamic handling and sporty feedback. The top speed reaches 180 km/h. A sport utility vehicle offering higher ground clearance and versatile cargo space. Seating for 5 makes it ideal for daily use.

5.3 i V8 (294 Hp) Verdict:

Rating 4 stars

Performance Verdict

Strong V8 torque delivers confident acceleration and towing capabilities, making it well-suited for hauling and highway cruising.

Fuel Economy

High fuel consumption is expected from a V8 SUV, though the RWD configuration offers a slight efficiency advantage over AWD models.

Best Use Case: Towing / Highway Cruising

Pros and Cons:

Pros:

  • • Smooth and comfortable ride quality
  • • Available powerful V8 engine for strong performance
  • • Spacious interior and generous cargo capacity
  • • Good towing capability for its class
  • • Relatively quiet and refined cabin experience

Cons:

  • • Dated 4-speed automatic transmission limits performance and efficiency
  • • Poor fuel economy, especially with the V8 engine
  • • Interior quality and design could be more premium
  • • Generic styling due to shared GMT 360 platform
  • • Some common reliability issues (e.g., electrical, suspension components)

Specifications:

General:
Brand:Buick
Model:Rainier
Generation:GMT 360
Modification (Engine):5.3 i V8 (294 Hp)
Start of production:2004
End of production:2006
Powertrain Architecture:Internal Combustion engine
Body type:SUV
Seats:5
Doors:5
Engine:
Power:294 Hp @ 5200 rpm.
Power per litre:55.2 Hp/l
Torque:440 Nm @ 4000 rpm.
Engine Model/Code:LM4
Engine displacement:5327
Number of cylinders:8
Engine configuration:V-engine
Number of valves per cylinder:2
Fuel injection system:Multi-port manifold injection
Engine aspiration:Naturally aspirated engine
Engine oil capacity:5.7 l
Coolant:14.5 l
Engine layout:Front, Longitudinal
Cylinder Bore:96 mm mm
Piston Stroke:92 mm mm
Compression ratio:9.5:1
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:15.7 l/100 km
Fuel consumption (economy) - extra urban:12.4 l/100 km
Maximum speed:180 km/h
Space:
Trunk (boot) space - maximum:2268 l
Trunk (boot) space - minimum:1127 l
Fuel tank capacity:83 l
Size:
Length:4871 mm mm
Width:1894 mm mm
Height:1894 mm mm
Wheelbase:2869 mm mm
Front track:1603 mm
Rear (Back) track:1577 mm
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears4
Transmission typeAutomatic
Front brakesVentilated discs
Rear brakesVentilated discs
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Tires size245/65 R17
Wheel rims size6J x 17
Front suspensionDouble wishbone
Rear suspensionTrailing arm

Does the Buick Rainier live up to the hype? Give us your verdict!