| Engine | 4-Cyl. In line |
| Crankshaft | Five main bearings |
| Bore x Stroke | 80.98mm x 62.99mm (3.19in x 2.48in) |
| Capacity | 1298cc (79.2 cu in) |
| Valves | Overhead |
| Compression ratio | 9.2 : 1 |
| Fuel system | Single Motorcraft GPD carburettor |
| Maximum power | 57bhp at 5000rpm (60bhp at 5750rpm from late 1979) |
| Maximum torque | 67 lb ft (9.3kgm) at 3000rpm (68lb ft (9.4kgm) at 3000rpm from late 1979) |
| Transmission | Four speed manual gearbox, fully synchronised |
| Gear Ratios | 4th 1.00, 3rd 1.40, 2nd 2.01, 1st 3.58, rev 3.32 |
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| Final drive | 3.890 or 4.125 |
| Top gear speed | 17.3mph (27.9kmh) per 1000rpm(or 16.3 (26.2kmh) with 4.125 axle ratio |
| Brakes | Front disc / rear drum, servo assisted |
| Wheels / Tyres | Steel disc wheels (5 x 13in), 165/13 tyres (optional alloys with 185/70 13 tyres) |
| Length | 172.8in (4376mm) |
| Wheelbase | 100.9in (2563mm) |
| Width | 66.9in (1698mm) |
| Height | 51.2in (1323mm) |
| Front Track | 53.3in (1353mm) |
| Rear Track | 54.5in (1384mm) |
| Unladen weight | 2227lb (1010kg) |
| Top speed | 89 mph (143kph)or 91mph (146kmh) from 1979 |
| 0-60mph | 20 secs (19.5 secs from 1979) |
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