1975 Alfa Romeo Spider vs. 1976 Bristol 603
To start off, 1976 Bristol 603 is newer by 1 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Spider would be higher. At 5,210 cc (8 cylinders), 1976 Bristol 603 is equipped with a bigger engine. In terms of performance, 1976 Bristol 603 (145 HP @ 4000 RPM) has 13 more horse power than 1975 Alfa Romeo Spider. (132 HP @ 5400 RPM) In normal driving conditions, 1976 Bristol 603 should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1976 Bristol 603 weights approximately 745 kg more than 1975 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1976 Bristol 603 (333 Nm @ 1600 RPM) has 152 more torque (in Nm) than 1975 Alfa Romeo Spider. (181 Nm @ 4000 RPM). This means 1976 Bristol 603 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Spider. 1976 Bristol 603 has automatic transmission and 1975 Alfa Romeo Spider has manual transmission. 1975 Alfa Romeo Spider will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1976 Bristol 603 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Alfa Romeo Spider | 1976 Bristol 603 | |
| Make | Alfa Romeo | Bristol |
| Model | Spider | 603 |
| Year Released | 1975 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 5210 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 132 HP | 145 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 181 Nm | 333 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1785 kg |
| Vehicle Length | 4130 mm | 4920 mm |
| Vehicle Width | 1640 mm | 1780 mm |
| Vehicle Height | 1300 mm | 1450 mm |
| Wheelbase Size | 2260 mm | 2910 mm |
