Best Car Reviews - 2008 Lexus GS 450h

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Introduction

The 2008 Lexus GS 450h is a rear-wheel-drive luxury hybrid sedan that combines a 3.5-litre V6 with electric assistance for unusually strong performance and respectable fuel use for its era. Although some vehicle databases classify it differently, it was sold in the United States as a midsize sedan. It suits drivers who want quiet Lexus refinement, V8-like acceleration and hybrid efficiency without moving to an SUV.

Design and Exterior Features

The GS 450h uses the third-generation GS body: a clean, cab-rearward four-door silhouette with a long bonnet, short deck and understated luxury-sport character. At 190 inches long, 71.7 inches wide and 56.1 inches tall, it has a substantial road presence without being difficult to place in traffic. The 2008 model largely carried forward the established GS design rather than introducing a major redesign, and its hybrid hardware is integrated discreetly rather than advertised with dramatic styling.

190-inch overall length and 112.2-inch wheelbase.
18-inch five-spoke alloy wheels and 245/40ZR18 tyres.
HID headlamps with adaptive front lighting, headlamp washers and integrated fog lamps.
LED rear lamps, chrome grille surround and dual exhaust outlets.
Power moonroof and heated, power-folding mirrors with memory functions.

Interior and Comfort

The cabin is one of the GS 450h’s strongest assets, with leather upholstery, tasteful wood trim and a solid, isolated feel. Front occupants receive generous adjustment and supportive seats, while the rear seat is best for two adults on longer trips despite seating five. Hybrid components reduce boot space to about 7.5 cubic feet in US specifications, so this is a comfortable executive sedan rather than a practical large-load carrier.

Leather-trimmed seating and a leather-and-wood steering wheel.
10-way power driver’s seat, memory functions and power tilt-and-telescoping steering adjustment.
Dual-zone automatic climate control with a dust, pollen and deodorizing filter.
Acoustic windscreen glass helps maintain a calm highway cabin.
High-quality audio and navigation equipment were available, depending on market and option package.

Performance and Handling

The GS 450h pairs a 3.5-litre DOHC V6 with a permanent-magnet electric motor and nickel-metal-hydride battery. Lexus rated total system output at 339 horsepower in Canadian specifications, while US sources commonly list 340 horsepower; the petrol engine alone is rated at 292 horsepower. Power reaches the rear wheels through an electronically controlled continuously variable transmission, not a conventional six-speed automatic. A manufacturer-quoted 0-60 mph time of 5.2 seconds makes it genuinely quick. Independent front double-wishbone and rear multi-link suspension, adaptive damping and rear-wheel drive give it poised cornering, though its 4,134-pound curb weight is noticeable on a demanding road. Published period fuel-economy figures vary by test cycle: US EPA estimates were 22 mpg city and 25 mpg highway, while a Lexus Canada specification listed 8.7 L/100 km city and 7.8 L/100 km highway. The supplied 12.94 L/100 km figure may reflect an individual vehicle or driving record rather than the original official test result.

3.5-litre V6 hybrid system with approximately 339-340 hp total output.
Rear-wheel drive and electronically controlled CVT hybrid transmission.
Manufacturer-quoted 0-60 mph acceleration of 5.2 seconds.
Adaptive Variable Suspension balances a softer touring setting with firmer response.
Regenerative braking recovers energy, but the pedal feel may take acclimatisation.

Technology and Connectivity

For 2008, the GS 450h was well equipped, but its technology belongs to the pre-smartphone era. It can provide Bluetooth phone capability, steering-wheel audio controls, a hybrid energy monitor and, when fitted, navigation and premium Mark Levinson audio. It does not offer modern Apple CarPlay, Android Auto, over-the-air updates or built-in app integration, so buyers who want those features should plan for a carefully chosen aftermarket solution.

Bluetooth hands-free phone capability.
Available navigation display and hybrid-system information screens.
Available Mark Levinson premium audio system with multiple speakers.
MP3/WMA playback and satellite-radio readiness in applicable markets.
Push-button start and keyless-entry convenience features.

Safety Features

Standard safety equipment was comprehensive for the period, including stability and traction control, anti-lock brakes, brake assist and ten airbags. Vehicle Dynamics Integrated Management coordinates braking, traction and stability functions, while adaptive headlamps improve visibility through corners. A pre-collision system was available on selected cars. A model-specific contemporary crash-test rating should be checked with the relevant national safety authority for the exact market, as a verified rating is not consistently published across all GS 450h listings.

Ten airbags, including knee, side and full-length curtain airbags.
Four-wheel ABS with electronic brake-force distribution and brake assist.
Vehicle stability control, traction control and integrated brake management.
Adaptive front lighting system and daytime running lights.
Available pre-collision system on suitably equipped examples.

Pricing and Variants

The US GS 450h was essentially offered as one well-equipped hybrid sedan rather than a broad trim range. Period listings place its original MSRP at roughly $55,800 including destination, while some published specifications list $56,675 before differing destination-price treatment. It was expensive beside a conventional Lexus GS 350, but positioned as a performance-oriented alternative to cars such as the BMW 550i, Mercedes-Benz E-Class and Infiniti M45. Its blend of hybrid power and rear-drive luxury was distinctive, although the purchase price was high for a sedan with limited boot space.

Pros and Cons

Pros

Very strong acceleration for a 2008 hybrid sedan.
Quiet, richly finished and comfortable cabin.
Rear-wheel-drive balance and adaptive suspension enhance driver confidence.
Fuel economy is better than many comparable V8 luxury sedans.
Comprehensive standard safety equipment for its generation.

Cons

Small boot limits family and airport-trip practicality.
Premium petrol and luxury-grade parts increase running costs.
Hybrid battery, inverter and brake-system repairs can be costly as the car ages.
CVT character and regenerative brake feel are not to every driver’s taste.
Infotainment is dated and lacks modern smartphone integration.

Maintenance and Common Issues

A reliable, model-specific annual maintenance-cost average is not consistently published, so buyers should avoid treating generic ownership estimates as a guarantee. Budget according to mileage, service history and local labour rates, with a substantial reserve for hybrid-specific repairs. The most important owner-reported or age-related inspection points are hybrid-battery health, brake actuator or brake-system concerns, fuel-system leaks covered by applicable recalls, engine valve-spring recall completion, and ageing suspension, tyre or steering components. Verify all recall work by VIN, inspect for fluid leaks and corrosion, and obtain a hybrid-system diagnostic report before purchase.

Rating

Overall rating: 8.0/10. Design: 8.0/10; comfort: 8.5/10; performance: 8.5/10; technology: 6.5/10; safety: 8.0/10. It remains an appealing specialist used luxury sedan when bought with a documented service history and a clean hybrid-health inspection.

User Reviews and Feedback

Owner feedback commonly praises the GS 450h’s effortless pace, isolation and long-distance comfort. The usual cautions concern the small boot, ageing electronics and the financial risk of neglected hybrid or luxury-car maintenance. Experience varies sharply with condition, making inspection more important than mileage alone.

Drivers often value the immediate electric-assisted acceleration and smooth overtaking response.
Many appreciate the quiet cabin, leather trim and premium build quality.
Owners commonly note that real-world fuel use depends heavily on weather, trip length and driving style.
Boot capacity is frequently viewed as the main practical compromise.
Experienced buyers advise checking hybrid health, recalls, braking operation and suspension condition before purchase.

Best Cars in This Category

2008 Lexus GS 350
2008 BMW 550i
2008 Mercedes-Benz E 350
2008 Infiniti M45
2008 Audi A6 3.2 quattro

Summary

The 2008 Lexus GS 450h is best for a buyer who wants a distinctive, fast and refined hybrid luxury sedan rather than maximum cargo space or current-generation connectivity. Its performance remains impressive, its cabin still feels special and its hybrid system was advanced for the time. A carefully maintained example can offer compelling value, but a pre-purchase inspection, recall check and hybrid-battery assessment are essential because neglected repairs can outweigh the initial purchase saving.