| Type | 4-door, 5-passenger compact sedan |
| 4-door, 5-passenger compact hatchback | |
| Layout | Front engine/front-wheel drive |
| Engine | 2.0-litre I4, DOHC, 16 valves |
| 2.5-litre I4, DOHC, 16 valves | |
| 2.3-litre I4, DOHC, 16 valves, | |
| turbocharged | |
| Horsepower | 148 @ 6500 rpm |
| 167 @ 6000 rpm | |
| 263 @ 5500 rpm | |
| Torque | 135 @ 4500 rpm |
| 168 @ 4000 rpm | |
| 280 @ 3000 rpm | |
| Transmission | 5-speed manual/6-speed manual (5-speed |
| automatic optional) | |
| Tires GX, GS | P205/55R16 all-season |
| Tires GT | P205/50R17 all-season |
| Tires Mazdaspeed3 | P225/40R18 performance |
| Curb weight GX, GS Sedan | 1295 kg (2854 lbs)(M/T) |
| 1328 kg (2927 lbs)(A/T) | |
| Curb weight GT Sedan | 1354 kg (2985 lbs)(M/T) |
| 1381 kg (3044 lbs)(A/T) | |
| Curb weight GX Sport | 1313 kg (2894 lbs)(M/T) |
| 1343 kg (2960 lbs)(A/T) | |
| Curb weight GS, GT Sport | 1372 kg (3024 lbs)(M/T) |
| 1399 kg (3084 lbs)(A/T) | |
| Curb weight Mazdaspeed3 | 1461 kg (3220 lbs) |
| Wheelbase | 2640 mm (103.9 in) |
| Length sedan | 4590 mm (180.7 in) |
| Length GT Sedan | 4595 mm (180.9 in) |
| Length GX Sport | 4500 mm (177.1 in) |
| Length GX, GT Sport | 4505 mm (177.3 in) |
| Length Mazdaspeed3 | 4510 mm (1775. in) |
| Width | 1755 mm (69.0 in) |
| Width Mazdaspeed3 | 1770 mm (69.6 in) |
| Height | 1470 mm (57.8 in) |
| Height Mazdaspeed3 | 1460 mm (57.4 in) |
| Ground clearance | 155 mm (6.1 in) |
| Cargo capacity sedan | 335 litres (11.8 cu. ft.) |
| Cargo capacity hatchback | 481 litres (16.9 cu. ft.) |
| Fuel consumption 2.0 | City: 8.1 L/100 km (35 mpg Imp) |
| Hwy: 5.9 L/100 km (48 mpg Imp) | |
| Fuel consumption 2.5 | City: 10.1 L/100 km (28 mpg Imp) |
| Hwy: 6.9 L/100 km (41 mpg Imp) | |
| Fuel consumption 2.3 | City: 11.5 L/100 km (25 mpg Imp) |
| Hwy: 8.0 L/100 km (35 mpg Imp) | |
| Fuel type | Regular (Mazda3) |
| Premium recommended (Mazdaspeed3) | |
| Warranty | 3 yrs/ 80,000 km |
| Powertrain warranty | 5 yrs/100,000 km |
| Side airbags | Standard |
| Curtain airbags | Standard |
| Anti-lock brakes | Standard |
| Traction control | N/A (GX) |
| Optional (GS) | |
| Standard (GT) | |
| Standard (Mazdaspeed3) | |
| Stability control | N/A (GX) |
| Optional (GS) | |
| Standard (GT) | |
| Standard (Mazdaspeed3) | |
| Assembly location | Hofu, Japan |

