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How much horsepower does a 1990 LS400 have?

The 1990 Lexus LS400 was powered by a 4.0-liter V8 engine that produced 250 horsepower. This luxury sedan was known for its smooth and powerful performance, which helped establish Lexus as a premier automotive brand in the United States.


Engine Specifications


The 1990 LS400's 4.0-liter V8 engine was an all-aluminum design that featured dual overhead camshafts and four valves per cylinder. This engine was capable of producing 250 horsepower at 5,600 rpm and 260 lb-ft of torque at 4,400 rpm.>

The engine was paired with a 4-speed automatic transmission, which helped the LS400 achieve excellent acceleration and fuel efficiency for its time. The combination of the powerful V8 and smooth-shifting transmission contributed to the LS400's reputation for refined and effortless performance.


Comparison to Competitors


In comparison to other luxury sedans of the era, the 1990 LS400's 250 horsepower output was quite impressive. For example, the 1990 Mercedes-Benz S-Class offered a 3.8-liter V8 engine with 228 horsepower, while the 1990 BMW 7 Series had a 3.0-liter inline-six engine with 188 horsepower.


The LS400's combination of power, refinement, and reliability helped it quickly gain a loyal following among luxury car buyers and established Lexus as a serious contender in the premium sedan market.


Conclusion


The 1990 Lexus LS400 was a groundbreaking luxury sedan that set new standards for power, smoothness, and reliability in its class. Its 250-horsepower V8 engine was a key factor in the LS400's success and helped cement Lexus' reputation as a premier automotive brand.

What does LS stand for in LS400?


Lexus LS. LS stands for Luxury Sedan. The original LS 400 – the car that launched Lexus back in 1989 – was the work of 60 designers, 1,400 engineers, 2,300 technicians and over 200 support workers. It was billed as the finest luxury car in the world by parent company Toyota as well as the motoring press.



What engine is in the 1990 LS400?


Unlike Mercedes-Benz, BMW, Cadillac, and other premium brands, the 1990 Lexus LS400 was available with only one drivetrain option. Toyota installed an all-aluminum 32-valve V8 powerhouse that sent its 250 hp (253 PS) to the rear wheels via a four-speed automatic transmission.



What is the fastest Lexus?


The Lexus LC 500, Lexus RC F and the all-new 2023 Lexus IS 500 F are the three fastest cars Lexus provides. Which one would you consider the performance car of your dreams? Discover the LC 500's incredible power for yourself. The LC 500 was created by engineers who will not settle for anything less than perfection.



Are old Lexus LS400 reliable?


Super Reliable Runs Forever
For a car, the LS400 is hard to beat and worth every penny for the amount you get in return. Can't believe they last 20 years and still look new. Rating breakdown (out of 5): Comfort 5.0.



Will LS400 be a classic?


However, the original LS400 which started it all, in this writer's opinion, will go down in history as a proper luxury classic. Back in the early eighties, Toyota was not thought of as being on the same planet in terms of luxury when compared to BMW, Mercedes, and Jaguar.



Is the LS400 a fast car?


The power output is around 260 horsepower and 270 pound-feet of torque. So, while these early Lexus LS400 models may not be as fast as a modern car, they certainly are not underpowered.



What is the top speed of the 1990 LS400?


General performance

Top speed250 kph (155 mph)
18m slalom60.9 kph (37.8 mph)
36m slalom105.8 kph (65.7 mph)
600ft slalom95.6 kph (59.4 mph)
Lateral acceleration0.79 g (8 m/s²)



Is the Lexus LS fast?


The Lexus LS can sprint from 0-100km/h in 5.4 seconds when chosen as a V6 hybrid, or 5.0 seconds as a turbocharged V6. Top speed is 250km/h.



How much HP does a LS V8 have?


Overview of the LS2 Engine
The naturally aspirated 6.0L LS2 V-8 engine generates an impressive 400 horsepower and 400 lb-ft of torque in the Corvette C6, GTO, and CTS-V. However, its horsepower rating drops slightly to 390 in the SSR, Trailblazer SS, and 9-7X Aero.



How much HP does a LS400 have?


Price as tested: LS: $59,570. GS: $48,804. Engine: 4-liter V-8, 290 (LS)/300 (GS) horsepower at 6,000 rpm, 300 (LS)/310 (GS) pound-feet of torque at 4,000 rpm. Curb weight: LS: 3,890 pounds.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.