The 378 GT Zagato is a motor car from AC, with rear wheel drive, a front mounted engine and a 2 door coupé body style.
Its 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a volume of 6.2 litres. For this model it produces power and torque figures of 437 bhp (443 PS/326 kW) at 5900 rpm and 575 Nm (424 lbft/58.6 kgm) at 4600 rpm respectively.
A 6 speed manual 'box supplies the power to the wheels.
With a claimed weight at the kerb of 1465 kg, the AC 378 GT Zagato manages to cover the 0-60 mph dash in 3.8 seconds and the quarter mile from rest in 12.2 seconds.
Maximum stated speed is 300 km/h, which equates to 186 mph.
Full specs
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| bodywork | |||
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| Body type | 2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2540 mm | 100 inches | |
| Track/tread (front) | 1627 mm | 64.1 inches | |
| Track/tread (rear) | 1570 mm | 61.8 inches | |
| Length | 4406 mm | 173.5 inches | |
| Width | 1924 mm | 75.7 inches | |
| Height | 1233 mm | 48.5 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.73 | ||
| Kerb weight | 1465 kg | 3230 lb | |
| Weight distribution | 50% front | ||
| fuel tank capacity | 85 litres | 18.7 [22.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | LS 3 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 6.2 litre 6194 cc (377.981 cu in) |
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| Bore × Stroke | 103.25 × 92 mm
4.06 × 3.62 in |
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| Bore/stroke ratio | 1.12 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output | 443 PS (437 bhp) (326 kW) at 5900 rpm |
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| maximum torque | 575 Nm (424 ft·lb) (58.6 kgm) at 4600 rpm |
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| Specific output | 52.6 kW/litre 71.5 ps/litre 70.6 bhp/litre 1.16 bhp/cu in |
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| Specific torque |
92.83 Nm/litre
1.12 ft·lb/cu3 |
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| Engine construction | Aluminium Block Hypereutectic Cast Alu Alloy Powdered metal conrods Cast iron crank Aluminium heads steel intake valves steel exhaust valves | ||
| Lubrication | wet sumped | ||
| compression ratio | 10.7:1 | ||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 1166.6 kPa (169.2 psi) | ||
| Maximum RPM | 6600 rpm | ||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 774.25 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 3.8 s | ||
| Acceleration 0-100km/h | 3.9 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 12.2 s | ||
| Standing kilometre | |||
| Maximum speed | 300 km/h (186 mph) | ||
| Power-to-weight ratio | Higher is better 302.44 PS/tonne (1000 kg) 0.3 PS/kg 222.44 kW/tonne (1000 kg) 0.22 kW/kg 298.29 bhp/tonne (1000 kg) 0.3 bhp/kg 0.13 bhp/lb |
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| Weight-to-power ratio | Lower is better 4.5 kg/kW 7.51 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 10J x 18 | ||
| Wheel size rear | 12J x 19 | ||
| Tyres front | 275/35 ZR 18 | ||
| Tyres rear | 345/30 ZR 19 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 325 mm | ||
| Rear brake diameter | 305 mm | ||
| Braked area | |||
| Gearbox | 6 speed manual | ||
| Top gear ratio | 0.63 | ||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 797247 | ||
| Production total | |||
| Model code | |||
| RAC rating | 52.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2012 AC 378 GT Zagato added 2023-07-04. Last modified 2024-04-30. |
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