The ZR 120 Stepspeed is a road car from MG, with front wheel drive, a front located engine and a 3 door hatchback body style.
Its 4 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a displacement of 1.8 litres. It produces power and torque figures of 115 bhp (117 PS/86 kW) at 5500 rpm and 160 Nm (118 lbft/16.3 kgm) at 2750 rpm respectively.
A continuously variable 'box delivers the power to the wheels.
It weighs a stated 1160 kg at the kerb.
Its maximum speed claimed is 180 km/h or 112 mph, official fuel consumption figures are 11.5/6.3/8.2 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 196.0 g/km.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater hatchback | ||
| Aantal portieren | 3 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 2500 | 98.4 | |
| Spoorbreedte voor | 1472 | 58 | |
| Spoorbreedte achter | 1457 | 57.4 | |
| Lengte | 4011 | 157.9 | |
| Breedte | 1688 | 66.5 | |
| Hoogte | 1400 | 55.1 | |
| Bodemvrijheid | |||
| 1.6 | |||
| Gewicht | 1160 kg | 2557 | |
| Gewichtsverdeling | |||
| Benzinetank inhalt | 50 litres | 11 [13.2] UK [US] gal. | |
| Aërodynamica | |||
| Cw-waarde | 0.39 | ||
| Frontaal oppervlak | 2.03 m² | ||
| CdA | 0.79 | ||
| naturally aspirated petrol | |||
| Motor fabrikant | Rover | ||
| Motor nummer | |||
| Aantal cilinders | Straight 4 | ||
| Cilinderinhoud | 1.8 litre 1796 cc (109.599 cu in) |
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| Boring × Slag | 80 × 89.3 mm
3.15 × 3.52 in |
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| Boring/slag verhouding | 0.9 | ||
| Distributie | double overhead camshaft (DOHC)
4 Kleppen per cilinder 16 Totaal aantal kleppen |
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| Vermogen | 117 PS (115 bhp) (86 kW) bij 5500 t/min |
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| Max. koppel | 160 Nm (118 ft·lb) (16.3 kgm) bij 2750 t/min |
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| Specific output | 47.7 kW/litre 64.9 ps/litre 64 bhp/litre 1.05 bhp/cu in |
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89.09 Nm/litre
1.08 ft·lb/cu3 |
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| Motor constructie | |||
| Smering | Nat carter | ||
| Compressieverhouding | 10.5:1 | ||
| Brandstofsysteem | MEMS3 | ||
| 1119.5 kPa (162.4 psi) | |||
| Maximum tpm | |||
| Aantal nokkenas lagers | 5 | ||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 449 cc | ||
| Aanzuiging | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Katalysator | Y | ||
| Prestasies | |||
| 0-80km/h | |||
| 0-60mph | 9.5 s | ||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Max. snelheid | 180 km/h (112 mph) | ||
| Power-to-weight ratio | Higher is better 100.52 PS/tonne (1000 kg) 0.1 PS/kg 73.93 kW/tonne (1000 kg) 0.07 kW/kg 99.14 bhp/tonne (1000 kg) 0.1 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 13.53 kg/kW 22.59 lb/bhp |
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| Verbruik | |||
| Benzineverbruik | 11.5/6.3/8.2 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 11.5/6.3/8.2 l/100km urban/extra-urban/combined | ||
| km/litre | 8.7/15.9/12.2 km/l urban/extra-urban/combined | ||
| UK MPG | 24.6/44.8/34.4 UK MPG urban/extra-urban/combined | ||
| US MPG | 20.5/37.3/28.7 US MPG urban/extra-urban/combined | ||
| CO2 Emissies | 196.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | J | ||
| CO2 Effizienz (DE) | |||
| Onderstel | |||
| Motor plaatsing | front | ||
| Motor plaatsing | transverse | ||
| Aandrijving | front wheel drive | ||
| Koppelverdeling | N/A | ||
| Stuurinrichting | |||
| Aantal omwentelingen stuurwiel | |||
| Draaicirkel | 11.60 m | ||
| Wielophanging voor | I.MS.CS.ARB. | ||
| Wielophanging achter | I.CS. | ||
| Velgmaat voor | 6½J x 16 | ||
| Velgmaat achter | 6½J x 16 | ||
| Bandenmaat voor | 205/50 R 16 | ||
| Bandenmaat agter | 205/50 R 16 | ||
| Bremmen voor/agter | VeDi/Di-S | ||
| Rem diameter voor | 262 mm | ||
| Rem diameter agter | 239 mm | ||
| Braked area | |||
| Versnellingsbak | continuously variable transmission | ||
| Hoogste versnelling verhouding | 0.44 | ||
| Achteras verhouding | 5.76 | ||
| Algemeen | |||
| Carfolio.com ID | 109626 | ||
| Totaal gebouwd | |||
| Bouwserie | |||
| RAC rating | 15.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2001 MG ZR 120 Stepspeed added 2003-05-02. Last modified 2013-02-28. |
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