2011 Lexus GS 450h Review

Pros & Cons

  • Strong performance
  • seamless hybrid system
  • exceptionally quiet cabin
  • outstanding fit and finish.
  • Small trunk
  • questionable value
  • fuel economy less than what many people expect from a hybrid.
List Price Estimate
$9,625 - $16,783

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Edmunds' Expert Review

Though dubious in terms of outright value, the 2011 Lexus GS 450h midsize hybrid-powered luxury sport sedan delivers swift V8-style performance while consuming fuel like a V6 family sedan.

Vehicle overview

The 2011 Lexus GS 450h isn't your typical hybrid. Sure, it's got a gasoline engine that runs in concert with supplemental electric motors, but that's really where the similarities end. On its own, the 3.5-liter V6 under the hood makes 292 horsepower. The electric motors boost total output to 340 hp. With this kind of power on tap, it's clear that this hybrid is geared more toward increasing performance than reducing fuel consumption.

By itself, fuel economy is still pretty respectable at an EPA-estimated 23 mpg for combined city and highway mileage. By comparison, the conventionally powered GS 350 achieves 22 mpg and trails the GS 450h in acceleration. The V8-powered GS 460 is also slower to 60 mph by a few tenths of a second, and averages only 20 mpg. Taking all of this into account, the 2011 Lexus GS 450h seems like the smart choice between its gas-only powered brethren -- at least until you consider the price.

Selecting the hybrid GS 450 will set you back an additional $12,000 over the GS 350 and $3,500 over the GS 460. For owners driving 15,000 miles annually and who purchase premium fuel at $3 a gallon, it would take about 57 years to recoup the GS 450's higher price over the GS 350 and about 11 years to recoup the price differential to the GS 460. So if the bottom line is the sole motivator drawing you to the GS 450h, perhaps you should look elsewhere. As a luxury sedan with spirited acceleration, the GS 450h is an admirable choice without a fuel economy penalty.

There are alternatives, however. You might check out the 2011 Lexus HS 250h or the 2011 Lincoln MKZ Hybrid; both are much more fuel-efficient as well as less expensive, but neither is as sporty or prestigious as the GS. On the other hand, the diesel-powered 2011 BMW 335d and 2011 Mercedes-Benz E350 Bluetec both provide a decent amount of power with even better fuel economy than the GS 450h. But as far as hybrid luxury sport sedans go, the 2011 Lexus GS 450h is the only game in town, at least until the BMW Active Hybrids hit the roads.

2011 Lexus GS 450h models

The 2011 Lexus GS 450h is a midsize, hybrid-powered luxury sport sedan offered in a single well-equipped trim level. Standard features include 18-inch alloy wheels, performance tires, an adaptive variable suspension, front and rear parking sensors, automatic and adaptive xenon headlights, a sunroof, keyless ignition/entry, leather upholstery, 10-way power front seats with memory, heated and ventilated front seats, dual-zone automatic climate control, a power tilt-and-telescoping steering wheel trimmed in wood and leather, a power rear sunshade, auto-dimming mirrors, a rearview camera, Bluetooth phone and audio connectivity, Safety Connect telematics service and a 10-speaker audio system with six-CD changer, satellite radio and iPod interface.

Optional is a hard-drive navigation system with real-time traffic, voice control and Lexus Enform enhanced telematics features. Other options include a rear spoiler, run-flat tires, an advanced suspension (requires run-flat tires), adaptive cruise control (includes Pre-Collision system) and a 14-speaker Mark Levinson surround-sound stereo.

2011 Highlights

The 2011 Lexus GS 450h is unchanged.

Performance & mpg

The 2011 Lexus GS 450h is powered by a combination of a 3.5-liter V6 engine and two high-output electric motors that combine to generate up to 340 hp. A continuously variable transmission (CVT) directs power to the rear wheels. Like other full hybrids, the GS 450h can launch and operate at low speeds for a limited distance under electric power only, and then seamlessly engage the V6 when more motivation is needed. Performance is impressive in either mode, with abundant power reserves that we're more accustomed to experiencing in V8-powered sedans.

Lexus estimates the GS 450h will accelerate from zero to 60 mph in 5.2 seconds, which is quick even for a V8-powered midsize luxury sedan. Its EPA-estimated fuel economy is better than average for a V6-powered midsize luxury sedan at 22 mpg city/25 mpg highway and 23 mpg combined.


Standard safety features on the 2011 Lexus GS 450h include antilock brakes with brake assist, traction control, stability control, front and rear side-impact airbags, front knee airbags, side curtain airbags and active front head restraints. Safety Connect, a traditional telematics service with automatic collision notification, stolen vehicle locator and emergency assistance button, is also standard. Adding the optional adaptive cruise control includes a pre-collision system that detects impending collisions and responds by pre-tensioning the seatbelts and activating brake assist.

The GS 450h has not been rated using the government's new, more strenuous 2011 crash testing procedures. The Insurance Institute for Highway Safety awarded the GS 450h its highest rating of "Good" for both frontal-offset and side-impact collisions.


Whether cruising on the highway or carving through turns, the 2011 Lexus GS 450h seems well suited to a variety of driving styles. The standard adaptive variable suspension serves up a smooth, soft ride in Comfort mode, yet has the ability to provide stiffer and more responsive dynamics in Sport mode. For more spirited drivers, the optional Active Power Stabilizer significantly reduces body roll when cornering. The regenerative braking system tends to react a bit too aggressively for uninitiated drivers, but after some time behind the wheel, we acclimated and easily achieved quick and confident stops.


Upholding the reputation Lexus has for finely crafted interiors, the 2011 GS 450h's cabin surrounds occupants with supple leather and rich wood and aluminum trim. Average-size adults will fit comfortably, but taller passengers may desire a bit more headroom -- at least compared to other sedans in this class. This is especially true for those relegated to the center rear seat, which is slightly elevated compared to the outboard seats.

Our gripes are minor and include less-than-intuitive audio controls and a distracting glare from the highly polished wood trim. The GS reclaims some points for its optional high-resolution touchscreen and easy-to-operate navigation system.

Some trunk space had to be sacrificed for the hybrid battery, with the GS 450h accommodating only 10.6 cubic feet of luggage compared to 15 cubes for the conventionally powered GS models.

Consumer reviews

There are no consumer reviews for the Used 2011 Lexus GS 450h.


IIHS Rating
The Insurance Institute of Highway Safety uses extensive crash tests to determine car safety.
  • Side Impact Test
  • Roof Strength Test
  • Rear Crash Protection / Head Restraint
  • IIHS Small Overlap Front Test
    Not Tested
  • Moderate Overlap Front Test

More about the 2011 Lexus GS 450h

Used 2011 Lexus GS 450h Overview

The Used 2011 Lexus GS 450h is offered in the following submodels: GS 450h Sedan. Available styles include 4dr Sedan (3.5L 6cyl gas/electric hybrid CVT). The Used 2011 Lexus GS 450h comes with rear wheel drive. Available transmissions include: continuously variable-speed automatic. The Used 2011 Lexus GS 450h comes with a 4 yr./ 50000 mi. basic warranty, a 4 yr./ unlimited mi. roadside warranty, and a 6 yr./ 70000 mi. powertrain warranty.

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Should I lease or buy a 2011 Lexus GS 450h?

Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.

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