2010 Aston Martin Vantage Roadster on 2040-cars

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Aston Martin DB11 V8 loses four cylinders but none of its grace

We love the Aston Martin DB11. Few vehicles combine speed, luxury, and comfort as well as that beautiful British coupe. That said, it's not the most efficient or affordable GT in the world, but Aston Martin is planning to change that. Starting this year, the company will offer the DB11 a twin-turbocharged V8 sourced from the mad Germans at Mercedes-AMG. We've known about the engine partnership for a while now, though we assumed the first Aston Martin to use a Mercedes-AMG V8 would be the next-generation V8 Vantage. At first, sticking a V8 under the hood might seem like an odd choice, but the DB series only recently started using V12s. Historically, the car has packed powerful inline-six engines. Offering two engines will allow the company to sell a lower-cost model and presumably boost sales. That means changes are strictly mechanical in nature. The engine is the now-common 4.0-liter twin-turbocharged Mercedes-AMG V8. Output is 503 horsepower and 498 pound-feet of torque. That's down 97 horsepower and 18 pound-feet of torque from the 5.2-liter V12. In the Mercedes-AMG C63 S, the 4.0-liter V8 makes equal horsepower and 18 more pound-feet of torque. Aston Martin says that the partnership with Mercedes-AMG allows the company to tailor the engine for Aston Martins. This means a new ECU with new engine and throttle mapping. Losing four cylinders changes the character of the car a bit. The DB11 V8 is a not-insubstantial 254 pounds lighter than the V12. Since most of the weight savings comes from behind the front wheels, Aston Martin says the V8 model is more agile than the V12 model. Engineers have adjusted the suspension bushing, geometry, anti-roll bars, springs, dampers, and stability control to account for the weight savings. The DB11 V8's diet helps offset the lower power output. As such, the 4.0-second 0-62 sprint is just 0.1 seconds off the V12. Top speed is down 13 mph to a still extralegal speed of 187 mph. We don't have fuel economy ratings for the US, but expect an improvement from the V12's current rating. The V8 will be available with all of the same equipment and trims as the V12, with just a few visual changes to distinguish the two models. The V8 gets unique wheels, darker headlight surroundings, and just two vents on the hood, available in either black or titanium. The DB11 V8 goes on sale in the US later this year. At $198,995, it undercuts the V12 model by $17,500.

The Rolls-Royce Dawn leads this month's list of discounts

If you're one of the few readers of this site who is in the market for a $350,000 Rolls-Royce Dawn, well, first of all, good for you. And you should be prepared to keep some extra money in your pocket, too, as the drop-top Roller leads this month's list of the largest monetary discounts with an average of $14,733 taken off the machine's $359,250 sticker price. That means buyers are paying an average transaction price of $344,517 for the 2020 Rolls-Royce Dawn this month, according to data provided to Autoblog by TrueCar, which equals about 4.1% off the price on the sticker. An intriguing pair of supercars land in second and third positions this month. The 2019 Acura NSX is selling for an average of $145,174 this month, which represents a 9% discount, or $14,373. With an eerily similar 9% discount of $14,079 comes the 2020 Aston Martin Vantage, which has an average transaction price of $142,002 this month. The Maserati Quattroporte is up next with an average discount of $13,634. Another Rolls-Royce model lands in the fifth spot, but instead of the aging Dawn it's the brand-new Cullinan SUV. Although the luxury 'ute boasts a large discount of $12,427, its staggeringly high retail price of $332,750 means buyers are getting a little less than 4% off the sticker. More interesting to most buyers will be the 2019 Lincoln Navigator, which is one of our favorite full-size SUVs in America. Buyers of Lincoln's range-topping vehicle are getting average discounts of $11,761. That represents a 13.4% savings for a final price of $75,940. For a look at the best new car deals in America based on the percentage discount off their suggested asking prices, check out our monthly recap here. And when you're ready to buy, click here for the Autoblog Smart Buy program, which brings you a hassle-free buying experience with over 9,000 Certified Dealers nationwide. Related Video:

There's an 820-hp Aston Martin Vulcan heading to auction

Aston Martin only made 24 examples of its track-only Vulcan, all of which sold out in the blink of an eye. Owners were personally invited by the automaker to purchase the supercar and had to shell out $2.3 million for the pleasure of owning one. Since the vehicle's debut last year, only one Vulcan has gone on sale in the US. And that one carried a hefty price tag of $3.4 million. But now, there's another Vulcan for sale and it's very, very purple. This gorgeous example is number 11 out of 24. There's no mention of how many miles it has covered or why the owner is selling it, but this is a rare opportunity to own one of the most visceral supercars ever. The supercar is heading to Mecum's Monterey auction in August and while it should go for more than its original price tag, there's no price estimate available. Potential buyers should know that the Vulcan is a track-only machine – a British motorsports engineering company can convert the car for road use – built in partnership with Aston Martin's racing team. The Vulcan gets its power from a 7.0-liter V12 that generates 820 horsepower, and the rest of the vehicle is just as hardcore. Related Video: