Technical specifications
| Clear list | Smart Forfour | JAC J2 |
| Totals | Smart Forfour 1.0 × | JAC J2 1.0 × |
| Mark | Smart | JAC |
| Model | Forfour 1.0 | J2 1.0 |
| Year | 2014 | 2013 |
| Number of doors/seats | 5/4 | 4/5 |
| Body type | Hatch | Hatch |
| Unladen Weight | 975 (1005) | 915 |
| Gross Weight Limit | 1400 (1435) | 1290 |
| Top Speed, km/h | 151 (151) | 140 |
| Acceleration 0-100 kph | 15.9 (16.9) | - |
| Minimum turning radius, m | 4.5 | 5 |
| Cargo Volume, min/max, L | 190/975 | 210 |
| Dimensions specifications, mm | Smart Forfour 1.0 × | JAC J2 1.0 × |
| Length | 3495 | 3535 |
| Width | 1665 | 1640 |
| Height | 1554 | 1475 |
| Wheelbase | 2492 | 2390 |
| Front/rear Track | 1467/1429 | 1413/1402 |
| Ground clearance | 120 | 150 |
| Engine specifications | Smart Forfour 1.0 × | JAC J2 1.0 × |
| Type | petrol Injection | petrol Injection |
| Displacement, cm3 | 999 | 999 |
| Compression ratio | 10.5 | - |
| Number and arrangement of cylinders | 3 cylinders, in-line | 3 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 72.2x81.3 | - |
| Number of valves | 12 | - |
| Power, hp/rpm | 71/6000 | 68/6000 |
| Max torque, Nm/RPM | 91/2850 | 90/3500 |
| Transmission specifications | Smart Forfour 1.0 × | JAC J2 1.0 × |
| Gearbox | 5-speed manual / 6-speed tiptronic | 5-speed manual |
| Drive Type | Rear wheel drive | Front wheel drive |
| Suspension specifications | Smart Forfour 1.0 × | JAC J2 1.0 × |
| Front | MacPherson strut | MacPherson strut |
| Rear | Dependent suspensions | Dependent suspensions |
| Tire Size | 165/65 R15, 185/60 R15 | 165/65 R14 |
| Disk | 4x114.3 ET46 d67.1
| 4x100 ET40 d54.1
|
| Brakes specifications | Smart Forfour 1.0 × | JAC J2 1.0 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Drums | Drums |
| Fuel consumption specifications, L/100 km | Smart Forfour 1.0 × | JAC J2 1.0 × |
| City | 4.8 (5) | - |
| Highway | 3.8 (3.6) | - |
| Combined | 4.2 (4.2) | 4 |
| Fuel | 95 | 95 |
| Tank, L | 28 | 35 |
| Clear list | Smart Forfour | JAC J2 |
