A few days ago, I made a post about about Motor Trend's test of the Audi S8. It does a 0-60 mph sprint in 3.5 seconds and goes through the 1/4 mile in 11.8 @ 118.3 mph.. very impressive numbers. Even more so when you look at a couple other cars: 2012 Porsche Panamera Turbo S 0-60 mph: 3.5 s 1/4 mile: 11.8 s @ 118.0 mph Power: 550 hp Torque: 553 lb-ft Weight: 4,388 lb 2012 Audi R8 GT 0-60 mph: 3.5 s 1/4 mile: 11.5 s @ 125.1 mph Power: 560 hp Torque: 398 lb-ft Weight: 3,484 lb Now let's compare those to the Audi S8 0-60 mph: 3.5 s 1/4 mile: 11.8 @ 118.3 mph Power 520 hp Torque: 481 lb-ft Weight: 4,619 lb The Panamera and R8 have weight to power ratios of 7.98 lb/hp and 6.22 lb/hp. The S8? Well, that one has a weight to power ratio of 8.88 lb/hp... The identical 0-60 time of the R8 GT and S8 can somewhat be explained by their engines' way of induction. Since the R8 is NA, the torque curve probably isn't as meaty so even though it weighs a lot less an
Mitsubishi Evo X GSR at Atlantic Motorsport Park - Kevin Doubleday © If you live in Canada or the US, you'll find that plenty of people hold sacred the terms '4x4' and '4WD' to describe a 'true 4x4', where you have a butch transfer case with a low speed, perhaps a body on frame chassis, and ideally a solid axle or two. I'm not sure how that translates to the rest of the world. My extensive research into the motoring industry in Europe (which exclusively consists of watching Top Gear and The Grand Tour...) concluded that most people across the pond simply refer to any vehicle that is capable of sending any power to all four wheels as a 4WD vehicle, further muddying the waters. Where I grew up, 4x4 was more or less synonymous with 'Jeep' so that's not much help either. However, despite all various systems attempting to do the same sort of thing - distribute power between all four wheels instead of two - not all systems are created equal,