| Attribute | Ariel 4G MK II × | Reading Standard R-S 1921 × |
|---|---|---|
| General | ||
| Production from (year) | 1967 | 1921 |
| Make | Ariel | Reading Standard |
| Model | Ariel 4G MK II | Reading Standard R-S |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Square four cylinder | V2, four-stroke |
| Fuel system | Carburettor. SU | Carburettor. Schebler |
| Displacement (cm³) | 1,000 | 999.7 |
| Fuel control | Overhead Valves (OHV) | Sidevalves |
| Clutch | - | Single speed |
| Exhaust system | Four-pipe | - |
| Chassis | ||
| Front suspension | Telescopic | Leading link |
| Rear suspension | Plungertype with cil-springs | Rigid |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Dimensions | ||
| Dry weight (kg) | 206 | 159 |