The 2011 Lexus GS Hybrid ranks 5 out of 16 Luxury Large Cars. This ranking is based on our analysis of 62 published reviews and test drives of the Lexus GS Hybrid, and our analysis of reliability and safety data.The 2011 Lexus GS 450h hybrid power-train delivers 22 mpg in the city and 25 mpg on the highway, while achieving the Super Ultra Low Emissions Vehicle II rating from the EPA. The GS 450h receives comparable fuel economy to the gas-only GS 350 sedan but more exhilarating performance, thanks to its hybrid powertrain. Drivers can choose between Power, Normal and Snow modes to focus on acceleration, everyday smoothness, or relaxed throttle response for low-traction driving. The hybrid system can also run in gas-only, electric-only and dual-drive modes.Along with the hybrid GS 450h and previous GS 430 models, the V8-powered GS 460 offered the Active Stabilizer Suspension System for improved handling. The GS 450h retains its position as the most expensive in the GS lineup, and has faster acceleration than the GS 460, though the GS 460 is lighter and has a higher top speed.