Friday, April 4, 2014

why do luxury cars get bad gas milage?




Johnny


my dad has a 91 lexus LS400, and it gets 21 miles per gallon, which is even worse because you have to fill high octane gas in it, while our corolla gets 28 mpg, I checked the weight of the lexus and it is 200 pounds less than a toyota highlander, so why must they make luxury cars so heavy, does it make an impact on the performance, or handling


Answer
Luxury cars are pretty big, for more seating comfort. They have many features, for entertainment and convenience. For example, the 2007 LS460L has power rear seats! All of this adds weight, so engines need to be more powerful to haul it around, so down goes the mileage. To increase power, many companies increase the compression ratio of the engine, so the gasoline is squeezed smaller before igniting. To ensure that the gasoline doesn't ignite at the wrong time due to all this pressure, high-octane fuel is needed.

Luxury Car or Fuel Efficient Car?




Maverick C


im looking for my first car, and i have 3 contenders. For luxury im looking at a Chrysler 300m, and fuel efficiency a Honda civic and Toyota corolla. now i know the civic and corrola would probably be way better choices cause of mpg and reliability but after driving in friends luxury cars its too good to pass up.

also the car i have been driving with my permit is a pretty powerful car and i like the way it drives and handles, and so i feel like i will need a more powerful car cause i drove my sisters and i just didnt feel comfortable, it felt like i was driving a toy car. so anyone that has driven any of these cars or anyone that can provide input (also all cars listed will probably be from 1999ish or 98)



Answer
The words you used to describe the feeling you got when driving your permit car were "i like the way it drives and handles". The Chrysler 300M is a very heavy car. Luxurious, with a powerful engine, yes. Though the suspension is quite soft for comfort and it does NOT handle as well as a Corolla or Civic. While it's sporting ability is higher because of it's engine and rear-wheel drive traits; it's heavier with a softer suspension; in the end, if you know how to handle torque steer; driving the Civic or Corolla will just plainly be funner than the 300M.

I would say get the Civic. For normal city driving, the Civic and Corolla will have a more than sufficient in power and handling, and the fuel efficiency is great. Luxuries in the 300M that arent offered in the Civic and Corolla are what I like to call "frills" to the driving experience, and while nice, they are not necessary. If it's a nice comfortable ride you're after, then perhaps get a Civic/Corolla and swap out the springs and shock absorbers for softer variants? It'll still cost less than the 300M with still a pretty nice comfort.

In the end it's your choice. I feel you want the 300M very badly, but due to fuel efficiency and cost, you want to choose a Civic or Corolla. Let me just tell you that BOTH cars are very sufficient for your needs; both cars can be comfortable (with modifying or not), and both can be fuel efficient (you're going to have to modify the 300M to make that thing fuel efficient to be honest.)

Good luck on your choice! And my personal opinion is the Civic!




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