Makes › Opel › Manta › Manta 400 · Factory competition Extremely Rare
Opel
Manta 400
Group B homologation Manta B with Cosworth-developed twin-cam engine.
Still being researched: full specifications. Everything shown is checked against the cited sources. Know more? Send us a source.
Photo: Thesupermat · CC BY-SA 4.0
Contents
01Overview
At a glance
- Built
- 245 Built
- Years
- Not yet verified
- Engine
- DOHC inline four with Cosworth head · 2,410 cc / 2.4 LFactory: 2,410 cc
- Power
- 205 kW / 279 PSFactory: 275 hp · converted
- Top speed
- Not yet verified
- Body
- Not yet verified
- Designer
- Not yet verified
- In this archive
- Not yet verified
- Surviving
- Not yet verified
Sources and any conflicting figures are in the sections below.
Why it matters
The Manta 400 was Opel's Group B homologation special, a Cosworth-headed 2.4 litre rear-drive coupé built in only 245 road cars. It was a cult rally car even though four-wheel-drive rivals had already made it obsolete.
How rare is it?
Six separate kinds of rarity – never combined into one number.
Each kind of rarity is rated separately and never combined.
Photos
Exterior, interior and detail photos with their licences.
Opel Manta 400 (Wikimedia Commons: Opel Manta 400)
Photo: Thesupermat · CC BY-SA 4.0
Opel Manta 400 (Wikimedia Commons: Opel Manta 400)
Photo: Thesupermat · CC BY-SA 4.0
Opel Manta 400 (Wikimedia Commons: Opel Manta 400)
Photo: Tsungam · CC BY-SA 4.0
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02Production & history
Production
Every figure says what it counts.
| What is counted | Figure | Basis | Status |
|---|---|---|---|
| Total model productiontotal Manta 400s made (59 of them with the Irmscher bodykit) | 2451 | Factory production | Independently researched |
Independent counts (e.g. engine and colour) are never combined into a calculated figure. Surviving examples are never presented as original production.
History
The Manta 400 first appeared in the UK in 1981 in the hands of Tony Fall and received FISA approval only in 1983, making its world debut on the Tour de Corse with Guy Frequelin. The car was called 400 because the earlier Ascona rules asked for 400 road cars, but by the time it was ready only 200 were required and Opel built 245.
The Manta used Kevlar panels (saving 80 kg) and the engine was moved back 6 cm.
Variants
How each version differs from the standard Manta 400.
No variants documented yet. Have a source? Contribute it.
03Specifications
Technical specifications
Engine
| Engine family | Not yet verified |
|---|---|
| Engine code | Not yet verified |
| Layout | DOHC inline four with Cosworth head2 Independently researched |
| Displacement | 2,410 cc / 2.4 LFactory: 2,410 cc2 Independently researchedRally car (RM lot). |
| Bore | Not yet verified |
| Stroke | Not yet verified |
| Compression ratio | Not yet verified |
| Fuel system | Dual Weber carburettors2 Independently researched |
| Power | 205 kW / 279 PSFactory: 275 hp · converted2 Independently researchedGroup B rally car state of tune; the road car is lower. |
| Power at | Not yet verified |
| Torque | Not yet verified |
Transmission & drivetrain
| Gearbox | Getrag five-speed manual2 Independently researched |
|---|---|
| Gears | Not yet verified |
| Driven wheels | Not yet verified |
Chassis, body & dimensions
| Chassis | Not yet verified |
|---|---|
| Front suspension | Wishbones, coil springs, anti-roll bar2 Independently researched |
| Rear suspension | Five-link axle, coil springs2 Independently researched |
| Brakes | Ventilated discs front and rear2 Independently researched |
| Steering | Not yet verified |
| Body construction | Not yet verified |
| Wheelbase | 2,517 mmFactory: 2,517 mm2 Independently researched |
| Length | Not yet verified |
| Width | Not yet verified |
| Height | Not yet verified |
| Front track | Not yet verified |
| Rear track | Not yet verified |
| Kerb weight | Not yet verified |
| Dry weight | Not yet verified |
Performance
| Maximum speed | Not yet verified |
|---|---|
| 0–100 km/h | Not yet verified |
| Fuel tank | Not yet verified |
“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.
04Colours & options
Factory colours & interiors
Original paint and trim, with the number of cars in each where a source gives it.
Not yet documented. Have a source? Contribute it.
Factory options & codes
Codes are shown exactly as written by the manufacturer.
Not yet documented. Have a source? Contribute it.
05Individual cars
Chassis register
Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.
Not yet documented. Have a source? Contribute it.
Competition history
Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
Auction & sale history
Documented public sales of the individual cars. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
See one in person
Museums where an example of this car can be seen.
No example is documented on public display yet. Have a source? Contribute it.
06Reference
Identification guide
How to tell an original from a replica or later conversion.
Being verified against factory or registry sources before it is published. Have a source? Contribute it.
Sources
Each number links to the exact facts it supports.
-
1
Motoring Research – Opel Manta 400: the forgotten Group B road car Level C
- 245 total Manta 400s made (59 of them with the Irmscher bodykit)
-
2
1984 Opel Manta 400 Group B Rally Car (Monaco 2012) Level C RM Sotheby's
- 2,410 DOHC inline four-cylinder engine with dual Weber carburettors
- 2,410 DOHC inline four-cylinder engine
- dual Weber carburettors
- 275 bhp... in phase 3
- Getrag five-speed manual transmission
- wishbone and coil spring with anti-roll bar front suspension
- five-link axle with coil spring rear suspension
- front and rear ventilated disc brakes
- Wheelbase: 2,517 mm
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