2018 Lexus GS 450h

The 2018 Lexus GS 450h brings 338 horsepower, a V6 engine, continuously variable automatic transmission, and sedan comfort to shoppers considering a premium vehicle in Roswell, GA. At Nalley Lexus Roswell, located at 980 Mansell Road in North Fulton’s premier automotive corridor, this page helps shoppers review the GS 450h’s dimensions, efficiency, performance, pricing, and configuration before exploring current Lexus resources. Positioned between Alpharetta and historic Roswell near GA-400 Exit 8, the dealership is convenient for drivers throughout North Fulton, Perimeter Center, and the surrounding communities.

Starting MSRP

$63,635

Horsepower

338 hp

EPA MPG

29 city / 34 hwy

Fuel

Premium Unleaded (Required)

Body Style

Sedan

How the GS 450h Compares With the Lexus Lineup

Pricing, power, and fuel economy help define how the GS 450h fits among Lexus sedans. The 2018 Lexus GS 450h starts at $63,635, and MSRP excludes tax, title, registration and dealer fees.

Compared with the 2018 Lexus LS 500, the GS 450h starts at $63,635 versus $75,000 and produces 338 horsepower versus 416 horsepower. Its 29 city / 34 highway MPG figures differ from the LS 500’s 19 city / 30 highway MPG, giving shoppers a choice between the GS 450h’s efficiency focus and the LS 500’s higher-output rear-wheel-drive configuration.

Compared with the 2018 Lexus GS 350, the GS 450h starts higher at $63,635 versus $50,895 and makes 338 horsepower versus 311 horsepower. The GS 450h returns 29 city / 34 highway MPG, while the GS 350 is rated at 19–20 city / 26–28 highway MPG; the GS 350 also offers rear-wheel drive or all-wheel drive for shoppers prioritizing drivetrain choice.

Compared with the 2018 Lexus GS 300, the GS 450h starts at $63,635 versus $46,510 and produces 338 horsepower versus 241 horsepower. Its 29 city / 34 highway MPG rating differs from the GS 300’s 21–22 city / 30–32 highway MPG, creating a choice between stronger output and a lower starting price.

2018 Lexus GS 450h Specifications and Configuration

The GS 450h is a sedan powered by a 3.5-liter V6 engine with 3,456 cc of displacement. It uses premium unleaded fuel, a continuously variable automatic transmission, and reaches peak power at 6,000 rpm.

Performance includes 338 horsepower and a 0–60 mph time of 5.6 seconds. Fuel economy is rated at 29 MPG city and 34 MPG highway, with a 17.4-gallon fuel capacity.

The GS 450h measures 192.1 inches long, 72.4 inches wide, and 57.3 inches high, with a 112.2-inch wheelbase. Its 4,112-pound curb weight and 13.2 cubic feet of cargo space behind the rear seats help define its road-going sedan configuration.

Buying a 2018 Lexus GS 450h in Roswell

Nalley Lexus Roswell serves shoppers from Roswell, Alpharetta, and North Fulton at 980 Mansell Road, near GA-400 Exit 8. Locals traveling between Willow Springs, Horseshoe Bend, Downtown Roswell, the Alpharetta Tech Corridor, and Perimeter Center can use the dealership as a convenient starting point for a Lexus search.

Inventory changes regularly, so shoppers can search inventory for current Lexus vehicles and review available buying resources. The dealership is also close to Canton Street, Wills Park, and the Chattahoochee River National Recreation Area, making it accessible during errands, school runs, and weekend travel.

What to Weigh Before Buying

Consider how the GS 450h’s starting price, performance, fuel economy, and sedan dimensions align with daily driving. Its 338 horsepower and 5.6-second 0–60 mph time suit shoppers who want responsive acceleration, while the 29 city / 34 highway MPG ratings may appeal to drivers focused on fuel-conscious commuting.

Also review the required premium unleaded fuel, 13.2 cubic feet of cargo space, and 4,112-pound curb weight. Comparing those details with the Lexus GS 350, GS 300, and LS 500 can clarify whether power, economy, drivetrain choice, or entry price matters most for the next vehicle.