Listen to Singer's Dynamics and Lightweighting Study revving

It has a big name, officially called the Porsche 911 Reimagined by Singer - Dynamics and Lightweighting Study.

It has a big price tag, at around $1,800,000.

And after sampling the car's delights on Top Gear's first ever drive, turns out it makes a big, lovely noise, too.

Under that delightful body sits a 4.0-litre naturally-aspirated air-cooled masterpiece, built specifically for this application, with input from the late, legendary Porsche engine designer Hans Mezger. “The engine it reminds me of is the McLaren F1. It’s the free-revving character, the way it hits the limiter and you can’t believe you’re there already,” Marino Franchitti told TopGear.com a couple of years ago. “John Magee, who did the engine development, was so nervous the first time I drove it. But I got out of the car and hugged him.”

Have a listen to the video above, and you'll see why. Stay tuned to TopGear.com for the full review and more video coming your way...