"We like Formula 1 to consider efficiency ... very similar horsepower to what we have today. A current F1 engine has around 750 horsepower, and you have 80 horsepower more from the KERS.
Powered by a twin-turbocharged V8 engine and Formula One-inspired hybrid battery system, the W1 produces 1,300 horsepower, making it the most powerful McLaren road car ever. Priced at £2m (plus ...