General Dimensions
All Rootes Group Chassis Codes with explanations
| Wheel base | Alpine | 7 ft. 2 in. | 218.4 cm. |
| Rapier | 8 ft. | 243.8 cm. | |
| Track (front) | Alpine (disc wheels) | 4 ft. 3 in. | 129.5 cm. |
| Alpine (wire wheels) | 4 ft. 3.25 in. | 130.2 cm. | |
| Alpine IV (disc wheels) | 4 ft. 3.75 in. | 131.4 cm. | |
| Alpine IV (wire wheels) | 4 ft. 4 in. | 132.0 cm. | |
| Rapier | 4 ft. 1.75 in. | 126.3 cm. | |
| Rapier IV | 4 ft. 3.75 in. | 131.4 cm. | |
| Track (rear) | Alpine (disc wheels) | 4 ft. 0.5 in. | 123.2 cm. |
| Alpine (wire wheels) | 4 ft. 2.5 in. | 128.3 cm. | |
| Rapier | 4 ft. 0.87 in. | 124.5 cm. | |
| Overall length (with overriders) |
Alpine | 12 ft. 11.25 in. | 394.4 cm. |
| Rapier | 13 ft. 6.5 in. | 412.7 cm. | |
| Rapier IV | 13 ft. 7.25 in. | 414 cm. | |
| Overall height | Alpine | 4 ft. 3.5 in. | 130.8 cm. |
| Rapier (saloon) | 4 ft. 10.5 in. | 148.6 cm. | |
| Rapier (convertible) | 4 ft. 10 in. | 147.3 cm. | |
| Rapier IV | 4 ft. 9.35 in. | 145.4 cm. | |
| Overall width | Alpine | 5 ft. 0.5 in. | 154.3 cm. |
| Rapier | 5 ft. 0.75 in. | 155 cm. | |
| Ground clearance (laden) |
Alpine | 4.25 in. | 10.8 cm. |
| Rapier (saloon) | 4.5 in. | 11.4 cm. | |
| Rapier (convertible) | 5.75 in. | 14.6 cm. | |
| Turning circle | Alpine | 34 ft. | 10.3 m. |
| Rapier | 36 ft. | 10.9 m. |
Weight (approx.) with fuel and water
Add 20 lbs. (9 kg.) to these figures if an overdrive is fitted
| Alpine I & II (soft top) | 2184 lbs. (991 kg.) |
| Alpine I & II (hardtop) | 2218 lbs. (1006 kg.) |
| Alpine III (soft top) | 2223 lbs. (1008 kg.) |
| Alpine III (GT) | 2278 lbs. (1033 kg.) |
| Rapier (saloon) | 2352 lbs. (1067 kg.) |
| Rapier (convertible) | 2388 lbs. (1083 kg.) |
| Rapier IV | 2323 lbs. (1053 kg.) |
| Alpine IV (soft top) | 2180 lbs. (989 kg.) |
| Alpine IV (GT) | 2230 lbs. (1012 kg.) |
Towing capacity (MAX)
| Rapier III | 15 cwt. (762 kg.) |
| Rapier III A, IV | 17 cwt. (863 kg.) |
Capacities
| Engine—including filter | 2.75 pints ( 3.3 U.S. pints; 1.56 Iltres) | |
| Gearbox and overdrive (if fitted) |
4 pints ( 4.8 U.S. pints; 2.25 litres) | |
| Rear axle | 1.75 pints ( 2.1 U.S. pints; 1.0 litres) | |
| Cooling system (with heater) | Alpine I & II | 15 pints (18 U.S. pints; 8.5 litres) |
| Alpine III onwards | 12.5 pints (15 U.S. pints; 7.1 litres) | |
| Rapier | 13.25 pints (15.9 U.S. pints; 7.57 litres) | |
| Fuel tank | Alpine I & II | 9 gallons (10.8 U.S. galls; 40.9 litres) |
| Alpine III onwards | 11.25 galls. (13.5 U.S. galls; 51 litres) | |
| Rapier | 10 galIs. (12 U.S. galls; 45.5 litres) | |