mostly skoda for diesel engined cars.
Ford makes an SUV that are fuel efficient and considered to be luxury by some. Most of the high end automobile companies now have an SUV that is fuel efficient.
When it comes to fuel efficient and luxury cars the best bet is to compare hybrid-engine designs. More and more luxury car companies are now coming out with fuel efficient hybrid-engine designs.
There hasn't really been a brand of semi trucks recognized as the most fuel efficient. Since they run on diesel a more efficient fuel, semi trucks already are more fuel efficient than cars in terms of size and power.
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According to my research the 2011 Dodge Ram 1500 Pickup 2W appears to be one of the best fuel efficient trucks that has come out this year, based on an article in Popular Mechanics.
There are a variety of prices as there are many different kind of cars. However if you think about $27,000 to $35,000 you would be in the ballpark.
Luxury SUV's, like most luxury vehicles, have added features that R considered desirable by some, including leather seats, headed seats, navigation systems, park assist, etc. many SUV's do not have strong fuel efficiency ratings, therefore you would likely be paying more for better fuel efficiency, which would save you gas money in the long run.
Many SUV's are not fuel efficient.
The Audi A4 is the fastest Aldi available. The Audi A4 has been rated the fastest and most fuel efficient Audi on the market. It is a sedan and a luxury car.
The beetle is a fuel efficient car. 25 in the city and 32 on the highway makes is fuel efficient.
A car has to be fuel efficient. It means it has to completely burn the fuel.