With prices starting from £55,000, we’d hesitate before classing the Tesla Model S as ‘affordable’, but it remains a truly outstanding electric car. We’re including it in our round-up of cars to bag before April, because it’s a victim of the new ‘premium’ tax, which applies to all cars above £40,000. While it’s tax exempt in year one, from the second year you’ll pay a £310 annual supplement for five years. Total cost: £1,550. Our advice: make sure you register your new Tesla before April…