Steve
Member
The Acura RLX Sport Hybrid and Lexus GS 450h are both luxury hybrid sedans that offer a blend of performance, efficiency, and comfort. Here's a detailed comparison to help you understand their differences and similarities:
Performance and Engine Specifications:
Acura RLX Sport Hybrid:
Engine Type: 3.5-liter V6 paired with a three-motor hybrid system
Total Horsepower: 377 hp at 6,500 RPM
Torque: 341 lb-ft at 4,700 RPM
Transmission: 7-speed dual-clutch automatic
Drive Type: All-Wheel Drive (AWD)
Fuel Economy: 28 MPG city / 29 MPG highway
Lexus GS 450h:
Engine Type: 3.5-liter V6 combined with an electric motor
Total Horsepower: 338 hp at 6,000 RPM
Torque: 257 lb-ft at 4,500 RPM
Transmission: Continuously Variable Transmission (CVT)
Drive Type: Rear-Wheel Drive (RWD)
Fuel Economy: 29 MPG city / 34 MPG highway
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Dimensions and Weight:
Acura RLX Sport Hybrid:
Length: 198 inches
Width: 74 inches
Height: 58 inches
Wheelbase: 112 inches
Curb Weight: 4,380 lbs
Lexus GS 450h:
Length: 192 inches
Width: 72 inches
Height: 57 inches
Wheelbase: 112 inches
Curb Weight: 4,112 lbs
Interior and Features:
Acura RLX Sport Hybrid:
Seating Capacity: 5 passengers
Infotainment: Dual-screen setup with navigation and premium audio
Safety: AcuraWatch suite including adaptive cruise control, lane-keeping assist, and collision mitigation
Lexus GS 450h:
Seating Capacity: 5 passengers
Infotainment: 12.3-inch display with navigation and premium audio
Safety: Lexus Safety System+ including pre-collision system, lane departure alert, and adaptive cruise control
Pricing and Ownership Costs:
Acura RLX Sport Hybrid:
Starting MSRP: Approximately $61,900
Maintenance Costs: Generally lower due to Honda/Acura's reputation for reliability
Insurance Prices: Premium rates typical for luxury sedans; actual costs vary based on individual factors
Lexus GS 450h:
Starting MSRP: Approximately $63,635
Maintenance Costs: Lexus vehicles are known for durability, potentially leading to lower maintenance expenses
Insurance Prices: Similar to the RLX, with rates dependent on personal factors
Pros and Cons:
Acura RLX Sport Hybrid:
Pros:
Higher horsepower and torque
Advanced AWD system
Reputation for reliability
Cons:
Fuel economy slightly lower than GS 450h
Limited dealership network compared to Lexus
Lexus GS 450h:
Pros:
Better fuel efficiency
Luxurious interior with high-quality materials
Extensive dealership network
Cons:
Lower horsepower and torque
RWD may not appeal to those seeking AWD
Conclusion:
Both the Acura RLX Sport Hybrid and Lexus GS 450h offer compelling packages for luxury hybrid sedan buyers. The RLX provides more power and an advanced AWD system, making it suitable for those prioritizing performance and handling. In contrast, the GS 450h offers better fuel efficiency and a slightly more luxurious interior, appealing to those seeking comfort and economy. Your choice should align with your personal preferences regarding performance, efficiency, and brand loyalty.
For a visual comparison, you might find this video helpful:
Youtube
Performance and Engine Specifications:
Acura RLX Sport Hybrid:
Engine Type: 3.5-liter V6 paired with a three-motor hybrid system
Total Horsepower: 377 hp at 6,500 RPM
Torque: 341 lb-ft at 4,700 RPM
Transmission: 7-speed dual-clutch automatic
Drive Type: All-Wheel Drive (AWD)
Fuel Economy: 28 MPG city / 29 MPG highway
Lexus GS 450h:
Engine Type: 3.5-liter V6 combined with an electric motor
Total Horsepower: 338 hp at 6,000 RPM
Torque: 257 lb-ft at 4,500 RPM
Transmission: Continuously Variable Transmission (CVT)
Drive Type: Rear-Wheel Drive (RWD)
Fuel Economy: 29 MPG city / 34 MPG highway

Dimensions and Weight:
Acura RLX Sport Hybrid:
Length: 198 inches
Width: 74 inches
Height: 58 inches
Wheelbase: 112 inches
Curb Weight: 4,380 lbs
Lexus GS 450h:
Length: 192 inches
Width: 72 inches
Height: 57 inches
Wheelbase: 112 inches
Curb Weight: 4,112 lbs
Interior and Features:
Acura RLX Sport Hybrid:
Seating Capacity: 5 passengers
Infotainment: Dual-screen setup with navigation and premium audio
Safety: AcuraWatch suite including adaptive cruise control, lane-keeping assist, and collision mitigation
Lexus GS 450h:
Seating Capacity: 5 passengers
Infotainment: 12.3-inch display with navigation and premium audio
Safety: Lexus Safety System+ including pre-collision system, lane departure alert, and adaptive cruise control
Pricing and Ownership Costs:
Acura RLX Sport Hybrid:
Starting MSRP: Approximately $61,900
Maintenance Costs: Generally lower due to Honda/Acura's reputation for reliability
Insurance Prices: Premium rates typical for luxury sedans; actual costs vary based on individual factors
Lexus GS 450h:
Starting MSRP: Approximately $63,635
Maintenance Costs: Lexus vehicles are known for durability, potentially leading to lower maintenance expenses
Insurance Prices: Similar to the RLX, with rates dependent on personal factors
Pros and Cons:
Acura RLX Sport Hybrid:
Pros:
Higher horsepower and torque
Advanced AWD system
Reputation for reliability
Cons:
Fuel economy slightly lower than GS 450h
Limited dealership network compared to Lexus
Lexus GS 450h:
Pros:
Better fuel efficiency
Luxurious interior with high-quality materials
Extensive dealership network
Cons:
Lower horsepower and torque
RWD may not appeal to those seeking AWD
Conclusion:
Both the Acura RLX Sport Hybrid and Lexus GS 450h offer compelling packages for luxury hybrid sedan buyers. The RLX provides more power and an advanced AWD system, making it suitable for those prioritizing performance and handling. In contrast, the GS 450h offers better fuel efficiency and a slightly more luxurious interior, appealing to those seeking comfort and economy. Your choice should align with your personal preferences regarding performance, efficiency, and brand loyalty.
For a visual comparison, you might find this video helpful:
Youtube