1991 Bentley Continental R和1996 Aston Martin Db7 Volante之间的关键规格的全面比较。为了促进清晰的理解，我们将基本数据组织到简洁的表中，以便您的方便。

总结一下，我们在下面放了一个方便的表格，总结了1991 Bentley Continental R和1996 Aston Martin Db7 Volante的关键规格。无论您是被1991 Bentley Continental R的实用性还是1996 Aston Martin Db7 Volante的美丽吸引，此比较都将帮助您做出明智的决定：

Cars
	1991 Bentley Continental R	1996 Aston Martin DB7 Volante
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General
Build Start	1991	1996
ModelVariant	Continental	DB7
Body Details
Body type	2+2 seater fixed-head coupé	2+2 seater convertible/cabriolet
Brakes
bmep (brake mean effective pressure)	1223.9 kPa (177.5 psi)kPa	1893.3kPa
Brakes F/R	VeDi/Di-ABS-S	VeDi/VeDi-S-ABS
Chassis & Geomtry
Length:Wheelbase Ratio	1.75	1.79
Turning circle	13.10 m
Dimensions
Fuel Tank Capacity	108litres	89litres
Ground clearance	132mm	mm
Height	1463mm	1270mm
Kerb weight	2423kg	kg
Length	5342mm	4631mm
Track/tread (front)	1550mm	1524mm
Track/tread (rear)	1550mm	1530mm
Wheelbase	3060mm	2591mm
Width	2045mm	1820mm
Engine details
Aspiration	Turbo	S/Charged
Bore × Stroke	104.1 × 99.1mm	91 × 83mm
Bore/stroke ratio	1.05	1.1
Capacity	6.8 litre (6750 cc)	3.2 litre (3239 cc)
Catalytic converter	Y	Y
Compression Ratio	8:1	8.3:1
Compressor	1 Garrett AiResearch TO4 turbo	Eaton M90 supercharger
Crankshaft Bearings	5
Cylinders	V 8 in 90° vee	Straight 6
Engine coolant	Water	Water
Engine layout	longitudinal	longitudinal
Engine manufacturer	Rolls-Royce	Aston Martin
Engine position	front	front
Engine Type	turbocharged petrol	supercharged petrol
Final drive ratio	3.07	3.54
Gearbox	4	5 speed manual
Intercooler	Yes	Y
Specific output(DIN)	46.7 bhp/litre0.76 bhp/cu in	103.4 bhp/litre1.69 bhp/cu in
Specific torque(DIN)	97.39 Nm/litre, 1.18 ft·lb/cu3	150.66 Nm/litre, 1.82 ft·lb/cu3
Top gear ratio	0.75	0.75
Fuel Consump.
Fuel system	Bo fuel inj.	Zyteck fuel injection
Performance
Acceleration 0-60mph	6.9s	s
Drive wheels	rear wheel drive	rear wheel drive
maximum power output(DIN)	319 PS (315 bhp) (235 kW)at 4500 rpm	340 PS (335 bhp) (250 kW)at 5500 rpm
Maximum speed	233km/h	250km/h
maximum torque(DIN)	657.4 Nm (485 ft·lb) (67 kgm)at 2250 rpm	488 Nm (360 ft·lb) (49.8 kgm)at 3000 rpm
Power-to-weight ratio	131.81 PS/tonne (1000 kg), 96.94 kW/tonne (1000 kg), 130 bhp/tonne (1000 kg), 0.06 bhp/lb
Weight-to-power ratio	10.32 kg/kW, 17.23 lb/bhpkg/kW	kg/kW
Prices
Saftey
Wheels & Tyres
Tyres front	255/60 ZR 16	245/40 ZR 18
Tyres rear	255/60 ZR 16	245/40 ZR 18
Wheel size front	16x7.5	18x8J
Wheel size rear	16x7.5	18x8J
Aerodynamics
Other
Number of doors	2	2
RAC rating	53.8	30.8
Unitary capacity	843.75cc	539.83cc
Valve gear	overhead valve (OHV), 2 valves per cylinder, 16 valves in total	double overhead camshaft (DOHC), 4 valves per cylinder, 24 valves in total

总之，1991 Bentley Continental R和1996 Aston Martin Db7 Volante是两个不同的cars，您的选择最终归结为您的个人偏好和优先事项。我们希望这种分析能帮助您在您的汽车旅程中，帮助您找到适合自己的需求和欲望的理想选择。