The GMA T.33 Spider is a 2 door convertible/cabriolet style car styled by Gordon Murray with a mid mounted engine powering the rear wheels.
Its 12 cylinder, double overhead camshaft naturally aspirated powerplant has 4 valves per cylinder and a displacement of 4 litres. For this model it produces power and torque figures of 609 bhp (617 PS/454 kW) at 10250 rpm and 451 Nm (333 lbft/46 kgm) at 6750 rpm respectively. Lubrication is of the dry sump-type.
The power is transferred to the wheels through a 6 speed manual gearbox.
It weighs a claimed 1108 kg at the kerb.
Maximum claimed speed is 335 km/h, or 208 mph.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater convertible/cabriolet | ||
| Aantal portieren | 2 | ||
| Ontwerper | Gordon Murray | ||
| Afmetingen en gewicht | |||
| Wielbasis | 2735 | 107.7 | |
| Spoorbreedte voor | 1591 | 62.6 | |
| Spoorbreedte achter | 1530 | 60.2 | |
| Lengte | 4398 | 173.1 | |
| Breedte | 1850 | 72.8 | |
| Hoogte | 1135 | 44.7 | |
| Bodemvrijheid | 120 | 4.7 | |
| 1.61 | |||
| Gewicht | 1108 kg | 2443 | |
| Gewichtsverdeling | |||
| Benzinetank inhalt | 75 litres | 16.5 [19.8] UK [US] gal. | |
| Aërodynamica | |||
| Cw-waarde | |||
| Frontaal oppervlak | |||
| CdA | |||
| naturally aspirated petrol | |||
| Motor fabrikant | Cosworth | ||
| Motor nummer | Cosworth GMA.2 | ||
| Aantal cilinders | V 12 in 65° vee | ||
| Cilinderinhoud | 4 litre 3994 cc (243.729 cu in) |
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| Boring × Slag | 81.5 × 63.8 mm
3.21 × 2.51 in |
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| Boring/slag verhouding | 1.28 | ||
| Distributie | double overhead camshaft (DOHC)
4 Kleppen per cilinder 48 Totaal aantal kleppen |
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| Vermogen | 617 PS (609 bhp) (454 kW) bij 10250 t/min |
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| Max. koppel | 451 Nm (333 ft·lb) (46 kgm) bij 6750 t/min |
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| Specific output | 113.7 kW/litre 154.6 ps/litre 152.5 bhp/litre 2.5 bhp/cu in |
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112.92 Nm/litre
1.36 ft·lb/cu3 |
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| Motor constructie | aluminium alloy block & head | ||
| Smering | Droog carter | ||
| Compressieverhouding | 14:1 | ||
| Brandstofsysteem | direct petrol injection | ||
| 1419 kPa (205.8 psi) | |||
| Maximum tpm | 11100 t/min | ||
| Aantal nokkenas lagers | |||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 332.83 cc | ||
| Aanzuiging | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Katalysator | Y | ||
| Prestasies | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Max. snelheid | 335 km/h (208 mph) | ||
| Power-to-weight ratio | Higher is better 557.28 PS/tonne (1000 kg) 0.56 PS/kg 409.87 kW/tonne (1000 kg) 0.41 kW/kg 549.64 bhp/tonne (1000 kg) 0.55 bhp/kg 0.25 bhp/lb |
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| Weight-to-power ratio | Lower is better 2.44 kg/kW 4.08 lb/bhp |
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| Verbruik | |||
| Benzineverbruik | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| CO2 Emissies | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Onderstel | |||
| Motor plaatsing | mid | ||
| Motor plaatsing | longitudinal | ||
| Aandrijving | rear wheel drive | ||
| Koppelverdeling | N/A | ||
| Stuurinrichting | |||
| Aantal omwentelingen stuurwiel | |||
| Draaicirkel | |||
| Wielophanging voor | |||
| Wielophanging achter | |||
| Velgmaat voor | 8½ x 19 | ||
| Velgmaat achter | 10½ x 20 | ||
| Bandenmaat voor | Michelin Pilot Sport 4 235/35 R 19 | ||
| Bandenmaat agter | Michelin Pilot Sport 4 295/30 R 20 | ||
| Bremmen voor/agter | VeDi/VeDi-S-ABS | ||
| Rem diameter voor | 370 mm | ||
| Rem diameter agter | 340 mm | ||
| Braked area | |||
| Versnellingsbak | 6 speed manual | ||
| Hoogste versnelling verhouding | |||
| Achteras verhouding | |||
| Algemeen | |||
| Carfolio.com ID | 795212 | ||
| Totaal gebouwd | 100 | ||
| Bouwserie | |||
| RAC rating | 49.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2023 GMA T.33 Spider added 2023-04-04. Last modified 2023-04-04. |
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