This is a Opel Manta type A
story from:
http://www.mantaclub.org/archive/manta_a.htm
Opel Manta A: Space with Style - By Stephen Godfrey
It is possible to draw many parallels between the Opel Manta and the Ford Capri. Yet Opel insisted that their car was not introduced as a Capri competitor. Opel pointed out that they were already producing four ranges of conventional saloons. They had already introduced one specialised vehicle, the Opel GT which was an attempt to cover one part of the market, that had been missed by other ranges, the Manta grew up along the same lines.
It is true to say, then, that the Manta is the result of the same market research findings as Ford’s: that there was a demand for more than a box on wheels, a really well styled car of compact size offering a high standard of comfort and equipment.
Styling
The Manta was styled under the direction of Chuck Jordan before he left Opel for America. It owes nothing to any previous model and there are no pressings in common with anything else in the range.
As far as the body is concerned, it was a new car from the ground up.
The wheelbase is only slightly bigger than the Kadett (five inches less than a Capri’s), yet the front and rear track is increased by nearly three inches, matching the Capri very closely. It is an inch longer, an inch narrower and two inches higher.
The Manta nose is styled around four small circular headlamps. The nose is relatively short and the bonnet front hinged. Side treatment is very restrained, only a minimum of trim to interrupt the smooth flow of the surface. The lower waistline and the extra overall height has resulted in a large window area. The front drip rails (though not the roofline gutters) have been eliminated to reduce wind noise. For the same reason there are no quarter lights in the doors.
The rear styling is a full fastback, finishing in a slightly upswept spoiler type tail. The object was to provide reasonable back seat space and the largest possible boot.
Engineering
The Manta was given its preview at the Paris Show in September 1970, initially in three variations: the base model, Manta Deluxe (L) and Manta Rallye (SR). Only the last two sold in the UK. There are three engine options, two 1.6 litre units of 68 and 80 bhp (which was a new engine only offered in the Manta and Ascona) and a 1.9 litre engine with 90 bhp. The base car came with either 1.6 litre unit, the L can have either of the three and the SR can have either of the top two units. All had five bearing crankshafts, with overhead valves operated by a chain driven camshaft mounted in the cylinder head instead of the block.