Performance data and technical specs are based on the model from 1948.
Acceleration (0-100 km/h):
Topspeed (mph): 105
Acceleration (0-60 mph):
Cylinders: S4
Displacement: 2443 ccm (2.4 l)
Engine Power: 104 hp (78 kw)
Gears: Manual, 4-speed
Weight: 1321kg (2913 lbs)
Weight/Power ratio: 12.7 kg/hp
Power/Displacement ratio: 42.57 hp/l
Metric performance data, Healey Sportsmobile compared with similar cars:
| Healey Sportsmobile | Allard J1 | Aston Martin DB2 | Ferrari 125 S | |
| Topspeed (km/h): | 169 | 137 | 177 | 155 |
| Acceleration (0-100 km/h): | 14.2 | 12.4 | ||
| Power: | 104 hp (78 kw) | 100 hp (75 kw) | 105 hp (78 kw) | 118 hp (88 kw) |
| Weight (kg): | 1321 | 1143 | 1207 | 750 |
English performance data, Healey Sportsmobile compared with similar cars:
| Healey Sportsmobile | Allard J1 | Aston Martin DB2 | Ferrari 125 S | |
| Topspeed (mph): | 105 | 85 | 110 | 96 |
| Acceleration (0-60 mph): | 14.2 | 12.4 | ||
| Power: | 104 hp (78 kw) | 100 hp (75 kw) | 105 hp (78 kw) | 118 hp (88 kw) |
| Weight (lbs): | 2913 | 2520 | 2661 | 1654 |
