Who’s ready for an almighty, luxurious petrol v electric drag race?! We’ve got our hands on the Tesla Model S 100D, and it’s going head-to-head with the Mercedes S-Class S500. So how do these cars compare? Well starting with the Model S, it’s equipped with dual electric motors which deliver AWD and 600hp. It weighs in at 2.3 tonnes, and when it was new, it cost £82,000. Next up it’s the S-Class S500. With a 3-litre straight-six turbo under the bonnet, it can put down 435hp and 520Nm of torque. I