With nearly twice the horsepower of its three-cylinder Geo Metro sibling, the Suzuki Swift GT was a quick little beast. Here's a used-up example, found in a wrecking yard in the shadow of Pikes Peak.

However, the Mercedes- AMG GT 63 S is in a completely different league. The pinnacle of four-door Mercedes design and engineering sports a 4-liter bi-turbo V8 with 4.5 times the power of the Swift.

Tipping the scales at under a ton, the standard Suzuki Swift Sport will go from rest to 100 km/h (0-62 mph) in 8.1 seconds and tops out at 209 km/h (130 mph). Even though it looks fast, this show ...