2018 Lexus GS 450h
_China.jpg)
All photo credits
- Photo: LEXUS GS 300 F SPORT (L10) China by Dinkun Chen, CC BY-SA 4.0, via Wikimedia Commons
- Photo: LEXUS GS 300 F SPORT (L10) China (3) by Dinkun Chen, CC BY-SA 4.0, via Wikimedia Commons
- Photo: Lexus GS 192102 by Trop86, CC0, via Wikimedia Commons
- Photo: 17 Lexus GS 200t F Sport by HJUdall, CC0, via Wikimedia Commons
The 2018 Lexus GS 450h is a 338-hp 3.5-liter V6 sedan with an electronically-controlled continuously variable transmission and rear-wheel drive. It starts at $63,635 MSRP and is rated at 31 mpg combined.
It makes 338 horsepower at 6,000 rpm and 257 lb-ft of torque. EPA fuel-economy estimates are 29 mpg city and 34 mpg highway (31 mpg combined).
The GS measures 192.1 inches long on a 112.2-inch wheelbase and has a curb weight of 4,112 lb.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Sedan |
| Powertrain | Hybrid |
| Price | |
| MSRP | $63,635 |
| MSRP with Destination | $64,630 |
| Destination Charge | $995 |
| Engine | |
| Engine Type | 3.5L V6 Gas/Electric Hybrid (2GR-FXE) |
| Displacement | 3.5 L |
| Horsepower | 338 hp @ 6,000 rpm |
| Torque | 257 lb-ft @ 4500 rpm (gas engine only) rpm |
| Injection Type | Port/Direct Injection |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | Electronically-controlled Continuously Variable Transmission (ECVT) |
| Final Drive | 3.27 |
| Fuel Economy | |
| City | 29 MPG |
| Highway | 34 MPG |
| Combined | 31 MPG |
| Suspension | |
| Front Suspension | Double wishbone |
| Rear Suspension | Multi-link |
| Brakes | |
| Front Brake Disc | 13.1 in. ventilated disc |
| Rear Brake Disc | 12.2 in. ventilated disc |
| Tires & Wheels | |
| Wheels Front | 18 x 8 in. |
| Wheels Rear | 18 x 8 in. |
| Tires Front | P235/45VR18 |
| Tires Rear | P235/45VR18 |
| Dimensions & Weight | |
| Length | 192.1 in |
| Width | 72.4 in |
| Height | 57.3 in |
| Wheelbase | 112.2 in |
| Front Track | 62 in |
| Rear Track | 62.6 in |
| Ground Clearance | 5.1 in |
| Cargo Volume | 15.9 ft³ |
| Curb Weight | 4,112 lbs |
| Interior | |
| Headroom Front | 38 in |
| Headroom Rear | 37.8 in |
| Legroom Front | 42.3 in |
| Legroom Rear | 36.8 in |
| Shoulder Room Front | 57.3 in |
| Shoulder Room Rear | 55.7 in |
| Hip Room Front | 54.5 in |
| Hip Room Rear | 54.1 in |
Similar cars
Rivals to the 2018 Lexus GS 450h with similar size, power and price from around the same years.
Safety & Recalls
NCAP safety ratings
Not crash-tested by NHTSA for this model year.
Recalls
1 recall on file with NHTSA for the 2018 Lexus GS. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.
Apr 8, 2026 · FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2015-2022 Lexus RC, 2016-2020 GS, and 2022 IS vehicles. The low-pressure fuel pump inside the fuel tank may fail.
Consequence: Fuel pump failure can cause an engine stall, increasing the risk of a crash.
Remedy: Dealers will replace the fuel pump assembly, free of charge. Owner letters were mailed October 15, 2026. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's numbers for this recall are 26LB05 and 26LA05.
NHTSA campaign 26V222000
3 owner complaints to NHTSA for the 2018 Lexus GS
Owner Complaints
3 owner complaints filed with NHTSA for the 2018 Lexus GS. See all on nhtsa.gov
| Unknown Or Other | 2 |
| Visibility | 1 |
Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.
Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2018 LEXUS GS. US-market vehicles only; data cached for up to 7 days.