In September 2005, Suzuki launched the Sport version of the new Swift in Japan, and in September 2006 the model was introduced in most European markets. Named "Swift Sport", it is powered by an enhanced M16A unit, a high-revving 1.6-litre, naturally aspirated DOHC VVT four-cylinder engine with an 11.1:1 compression ratio, high lift cams, forged pistons, and strengthened valve springs. The 1.6-litre engine produces 125 PS (92 kW; 123 bhp) and 148 newton-metres (109 lb⋅ft) torque. At 3,765 mm (148.2 in), the car is 70 mm (2.8 in) longer than the standard Swift. The Swift Sport features sportier bumpers and spoilers, a stiffer suspension, twin exhaust pipes, red sport seats (with Recaro seats optional) and four-wheel disc brakes on 16-inch wheels. The European Swift Sport features five-speed manual transmission, the three-door body variant, 17-inch wheels (16-inch also available) and electronic stability control (ESC).

In July 2008, Suzuki Germany launched a limited edition of Swift Sport called N'Style Rally to pay tribute to the Suzuki's Group N Junior World Rally Championship car and only limited to 500 units. It was offered exclusively in black and is covered with Suzuki Motorsport’s logos and decals.

In 2007, Suzuki Arena Kyoto Ragunan, a Suzuki's dealership based on Kyoto prefecture, collaborated with Japanese car tunner Tommykaira to modify the Swift Sport. The car is called Tommykaira S-Ss (Super Swift Sports).

1586 cm³ 1248 cm³
Power: 68 kW (92 HP)/5800 75 kW (102 HP)/5900 92 kW (125 HP)/6800 55 kW (75 HP)/4000
Torque: 116 Nm/4200 133 Nm/4100 148 Nm/4800 190 Nm/1750–2250
Gearbox, standard: 5-Speed manual
Gearbox, optional: 5-Speed-Automatic 4-Speed Automatic —
Weight: 1045–1135 kg 1095 kg 1105 kg 1140 kg
Top speed: 167–175 km/h 180–185 km/h 200 km/h 165 km/h
Acceleration, 0–100 km/h: 11.0–12.5 s 10.0–11.7 s 8.9 s 13.7 s
Fuel consumption
on 100 km (combined): 5.8–6.2 L Super 6.5 L Super 7.0 L Super 4.5 L Diesel