1981 Rolls Royce Silver Spur Sedan 4-door 6.7l on 2040-cars

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Top horsepower-per-dollar cars in 2017

Bang for the buck. That quasi-scientific statistic is bandied about by motor heads everywhere from classrooms to barrooms, though the truth of the matter is that it's exceedingly complex to measure. A fair performance-per-dollar index would include something like cross-referencing MSRP (Manufacturers Suggested Retail Price) with point-to-point times on a track or driving route, which is obviously hard to do comprehensively. But, for the sheer joy of talking about cars and playing with a big spreadsheet, there's always the horsepower-per-dollar index, which is more straightforward, albeit hilariously flawed. There are vagaries even with this simple formula, of course: MSRP for vehicles can change at a moment's notice, to say nothing of the bottom-line shifting that happens with local deals or showroom negotiation. For this list we're running with the straight MSRP wherever possible, and as recently reported as we can get it. All the vehicles on this list are 2017 models, and all trims are reported where the lowest price and differing power levels intersect. Some choices were made for personal preference and some for sanity, avoiding things like all 48 trim levels of the Ford Transit, all with the same horsepower). If this list were a simple top ten, or even a top fifty, you'd be bored to tears with all the red, white and blue that is represented. Following perfectly with conventional wisdom, American cars really do lead the world where hp/$ is concerned. So, for the sake of variety (and the sheer joy of seeing a minivan 'win' one round of this thing) I've sorted out some top five and bottom five lists for broad power categories. Let's dive in. Less Than 100 Horsepower Okay, okay, this is hardly a category we'll grant you. But we've often tried to click off all the sub-100-hp cars on sale in the US, and making this list gave us an excuse. It also illustrates that none of these smallish vehicles bring cheap horsepower to the table - for that you'll need a motorcycle. The segment-leading Chevy Spark (above) asks just over $139 for each hp, and that Smart Fortwo Electric Drive has hp on sale for about the same price as its very distant family cousin, the Mercedes-Benz SL65 AMG (insert your favorite Smart joke here... we know you want to).

Rolls-Royce Spectre reveal: Watch it here live Tuesday morning

Rolls-Royce is preparing to unveil the Spectre, its first series-produced electric car. The big coupe is scheduled to make its global debut online tomorrow (Tuesday, October 18) at 8 a.m. Eastern, and you can watch the livestream right here to get all of the details. Official details about the Spectre remain few and far between; Rolls-Royce has done a good job keeping the EV under wraps. Official spy shots published by the British company in July 2022 suggest that the model will wear a futuristic-looking design, though it will remain recognizable as a member of the Rolls-Royce range, and it will be the brand's most aerodynamic car thanks to a 0.25 drag coefficient. Inside, the Spectre will be mostly standard Rolls-Royce fare. One of the exceptions is a digital instrument cluster. 2024 Rolls-Royce Spectre testing in Frnace View 10 Photos Rolls-Royce noted that it put the Spectre through the most rigorous testing program it has ever subjected a new model to; prototypes will have covered over 1.5 million miles by the time deliveries begin. While that might sound like overkill, there's a lot to test: In addition to a battery-powered drivetrain, the Spectre features "141,200 sender-receiver relations and has more than 1,000 functions and more than 25,000 sub-functions," according to the company, and it will inaugurate a new suspension system capable of disconnecting the roll bars. Details such as horsepower and driving range will be announced during the unveiling. One of the figures that we do know is that the 59-inch-long doors are the longest units ever fitted to a production Rolls-Royce; put another way, they're nearly as long as a Smart Fortwo is wide. Tune in tomorrow to watch the Spectre make its debut. Deliveries will begin in the fourth quarter of 2023, and pricing hasn't been announced — though Rolls-Royce buyers aren't price-sensitive.

Recharge Wrap-up: Google Street View maps gas leaks, Rolls-Royce helps kids build electric racer

Google Street View is looking for gas leaks. Natural gas leaks are not only extremely dangerous, they're a terrible waste of resources and, as a greenhouse gas, a threat to the environment. Unfortunately, with the decaying infrastructure in many of America's older cities, they're pretty common, too. That's why Google is teaming up with the Environmental Defense Fund to map gas leaks. With sensors attached to the Street View cars, they are sniffing out methane leaks and documenting them. So far, they've covered Boston, Staten Island and Indianapolis, with Los Angeles and Syracuse up next. Read more over at Gizmodo. Consumer and environmental groups are calling on the Federal Trade Commission to change the way car advertisements disclose fuel economy. Nine groups, including Sierra Club, Union of Concerned Scientists and Consumers Union, want mpg figures to be clearer and more complete. They have requested that when mpg is advertised, that it includes the EPA's city, highway and combined ratings. They also, among other requests, want mile-per-gallon-equivalent ratings for electric cars to state that they are for comparative purposes only, and to include separate gas and electric ratings for plug-ins and range extended EVs. See what else the groups have requested at Kicking Tires. Rolls-Royce has a new electric car, and it's not the 102EX. The luxury automaker worked with a group of elementary school students in the UK to build an electric car for the IET Formula Goblin project, where students build and race their own electric "car." Rolls-Royce lent the 9, 10 and 11 year-olds a bit of engineering and manufacturing assistance to build the car, which they then raced at the Goodwood Motor Circuit. Read more at World Car Fans, or check out the press release, below. ROLLS-ROYCE SUPPORTS LOCAL PRIMARY SCHOOL'S RACING DEBUT A team of school children mentored and supported by Rolls-Royce Motor Cars successfully completed the Greenpower IET Formula Goblin race at the Goodwood Motor Circuit on Sunday. The group of 10 boys and girls from Years 5 and 6 built and piloted a specially developed electric car in a race against teams from schools across the UK. 'Team March', from the March CE Primary School adjacent to the Home of Rolls-Royce in Goodwood, finished well up the order and scooped the prize for 'Best Bodywork'.