Technical specifications
| Clear list | Smart Forfour | Suzuki Alto |
| Totals | Smart Forfour 1.0 × | Suzuki Alto 1.0 × |
| Mark | Smart | Suzuki |
| Model | Forfour 1.0 | Alto 1.0 |
| Year | 2014 | 2009 |
| Number of doors/seats | 5/4 | 5/4 |
| Body type | Hatch | Hatch |
| Unladen Weight | 975 (1005) | 845 (880) |
| Gross Weight Limit | 1400 (1435) | - |
| Top Speed, km/h | 151 (151) | 155 (150) |
| Acceleration 0-100 kph | 15.9 (16.9) | 14 (17) |
| Minimum turning radius, m | 4.5 | 4.5 |
| Cargo Volume, min/max, L | 190/975 | 129/774 |
| Dimensions specifications, mm | Smart Forfour 1.0 × | Suzuki Alto 1.0 × |
| Length | 3495 | 3500 |
| Width | 1665 | 1600 |
| Height | 1554 | 1470 |
| Wheelbase | 2492 | 2360 |
| Front/rear Track | 1467/1429 | 1405/1400 |
| Ground clearance | 120 | 150 |
| Engine specifications | Smart Forfour 1.0 × | Suzuki Alto 1.0 × |
| Type | petrol Injection | petrol Injection |
| Displacement, cm3 | 999 | 997 |
| Compression ratio | 10.5 | 11 |
| Number and arrangement of cylinders | 3 cylinders, in-line | 3 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 72.2x81.3 | 73х79.4 |
| Number of valves | 12 | 12 |
| Power, hp/rpm | 71/6000 | 68/6000 |
| Max torque, Nm/RPM | 91/2850 | 90/4800 |
| Transmission specifications | Smart Forfour 1.0 × | Suzuki Alto 1.0 × |
| Gearbox | 5-speed manual / 6-speed tiptronic | 5-speed manual / 4-speed automatic |
| Drive Type | Rear wheel drive | Front wheel drive |
| Suspension specifications | Smart Forfour 1.0 × | Suzuki Alto 1.0 × |
| Front | MacPherson strut | MacPherson strut |
| Rear | Dependent suspensions | Dependent suspensions (Torsion beam) |
| Tire Size | 165/65 R15, 185/60 R15 | 185/55 R13, 145/70 R13, 155/65 R13, 175/55 R13, 165/60 R13, 175/60 R13, 175/50 R14, 165/55 R14, 185/50 R14 |
| Disk | 4x114.3 ET46 d67.1
| 4x100 ET45 d54.1
|
| Brakes specifications | Smart Forfour 1.0 × | Suzuki Alto 1.0 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Drums | Drums |
| Fuel consumption specifications, L/100 km | Smart Forfour 1.0 × | Suzuki Alto 1.0 × |
| City | 4.8 (5) | 5.5 (6.7) |
| Highway | 3.8 (3.6) | 3.8 (4.5) |
| Combined | 4.2 (4.2) | 4.4 (5.2) |
| Fuel | 95 | 95 |
| Tank, L | 28 | 35 |
| Clear list | Smart Forfour | Suzuki Alto |
