Lexus GS F: Which Version Should You Buy?
The Lexus GS F catalogue data presents a straightforward choice: there is one generation, one Sedan body style and one version, 5.0 AT, produced from 2015 through 2018. With no alternative engines, transmissions or generations to compare, the buying decision comes down to whether its specifications suit your priorities.
The Lexus GS F catalogue data presents a straightforward choice: there is one generation, one Sedan body style and one version, 5.0 AT, produced from 2015 through 2018. With no alternative engines, transmissions or generations to compare, the buying decision comes down to whether its specifications suit your priorities. The 5.0 AT combines a 4969 cc Gasoline engine producing 477 hp and 530 Nm with an 8-speed Automatic gearbox and RWD. It reaches 100 km/h in 4.6 seconds and has a top speed of 270 km/h, but its combined fuel consumption is 11.2 l/100 km.
Lexus GS F generations: what changed?
The 1 generation Lexus GS F was produced from 2015 to 2018 as a Sedan. The supplied catalogue contains one version for this generation: 5.0 AT. No other generation, version or restyling is listed, so there is no documented powertrain change to compare across the production period.
That makes model-year selection less about choosing between different catalogue configurations and more about confirming that a particular car matches the sole specification recorded here. Problems, reliability, equipment changes and condition are not measured in the supplied data, so they cannot be used to rank individual years.
Lexus GS F engine and specs
The only listed version is 5.0 AT. Its front, longitudinal 4969 cc Gasoline engine has 8 cylinders in a V-shaped layout, with 4 valves per cylinder and Direct injection (direct). Boost is listed as No. Output is 477 hp, or 351 kW, at 7100 rpm, while torque is 530 Nm from 4800–5600 rpm. The compression ratio is 12.3, and the bore and stroke are 94 × 89.5 mm.
| Version | Power | Torque | Displacement | Fuel | Cylinders | Layout | Boost | Gearbox | Drive |
|---|---|---|---|---|---|---|---|---|---|
| 5.0 AT | 477 hp (351 kW) | 530 Nm | 4969 cc | Gasoline, 95 | 8 | V-shaped | No | 8-speed Automatic | RWD |
Calculated from the supplied figures, the 5.0 AT produces approximately 96.0 hp per litre and 106.7 Nm per litre. These ratios do not create a comparison with another GS F version—the catalogue contains none—but they make the engine’s output relative to its displacement explicit.
The power-to-weight figures tell the same story from the vehicle side. Using the 1865 kg kerb weight, the 5.0 AT has approximately 3.91 kg per hp, or about 255.8 hp per tonne. At the 2320 kg gross weight, the corresponding figures are approximately 4.86 kg per hp and 205.6 hp per tonne. The difference between kerb and gross weight is 455 kg.
Lexus GS F performance, fuel economy and emissions
The 5.0 AT accelerates from 0 to 100 km/h in 4.6 seconds and reaches a top speed of 270 km/h. Intermediate acceleration and braking-distance figures are not measured.
Fuel consumption for the 5.0 AT is 16.6 l/100 km in the city, 8.1 l/100 km on the highway and 11.2 l/100 km combined. City use therefore requires 8.5 l/100 km more than highway driving, while the combined figure is 5.4 l/100 km below the city result and 3.1 l/100 km above the highway result.
The fuel tank holds 66 litres. CO₂ emissions are 260 g/km, and the environmental classification is Euro 6. Real-world fuel economy, US mpg and driving range are not measured in the supplied data.
Lexus GS F dimensions, weight and wheels
The 5.0 AT has a kerb weight of 1865 kg and a gross weight of 2320 kg. Ground clearance is 129 mm, and fuel-tank capacity is 66 litres.
Its listed wheel sizes are 255/35 R19 and 275/35 R19, a difference of 20 mm in nominal tyre width. The front and rear suspension are both Independent, spring. Ventilated disc brakes are listed at the front, while the rear brake label in the source is Disc ventilated.
Overall length, width, height, wheelbase, luggage capacity and passenger capacity are not measured. Those missing dimensions should be checked separately if garage space, rear-seat room or cargo capacity will determine the purchase.
Lexus GS F problems and reliability
Problems and reliability are not measured in the supplied catalogue data. The figures establish the engine specification, performance, consumption, weight, chassis layout and production period, but they do not provide failure rates, service history, maintenance costs or component-life information. No production year within 2015–2018 can therefore be described as more reliable on the basis of this dataset.
Which Lexus GS F version should you choose?
Choose the 5.0 AT if you want the specification represented by this model: 477 hp, 530 Nm, a 4969 cc Gasoline engine, an 8-speed Automatic gearbox and RWD in a Sedan body. Its strongest numerical arguments are 4.6-second acceleration to 100 km/h, a 270 km/h top speed and approximately 255.8 hp per tonne at kerb weight.
The trade-off is equally clear in the data. The 5.0 AT has a kerb weight of 1865 kg, only 129 mm of ground clearance and fuel consumption of 16.6 l/100 km in the city and 11.2 l/100 km combined. A buyer prioritising lower consumption or greater clearance has no alternative GS F version in this catalogue to select.
There is no “extra money buys more power” comparison to make because prices are not provided and only one version is listed. There is also no later generation offering a documented upgrade: the data contains only the 2015–2018 1 generation and its single 5.0 AT version. The practical conclusion is simple—buy the 5.0 AT because its exact performance and RWD specification meet your needs, not because it wins an internal GS F trim comparison that the supplied data does not contain.