1967 AC 428 vs. 1949 Bristol 402
To start off, 1967 AC 428 is newer by 18 year(s). Which means there will be less support and parts availability for 1949 Bristol 402. In addition, the cost of maintenance, including insurance, on 1949 Bristol 402 would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP @ 4600 RPM) has 260 more horse power than 1949 Bristol 402. (85 HP @ 4500 RPM). In normal driving conditions, 1967 AC 428 should accelerate faster than 1949 Bristol 402. With that said, vehicle weight also plays an important factor in acceleration. 1967 AC 428 weights approximately 258 kg more than 1949 Bristol 402. 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, 1967 AC 428 (627 Nm @ 2800 RPM) has 482 more torque (in Nm) than 1949 Bristol 402. (145 Nm @ 3500 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1949 Bristol 402. 1967 AC 428 has automatic transmission and 1949 Bristol 402 has manual transmission. 1949 Bristol 402 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1967 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1967 AC 428 | 1949 Bristol 402 | |
| Make | AC | Bristol |
| Model | 428 | 402 |
| Year Released | 1967 | 1949 |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 1971 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 345 HP | 85 HP |
| Engine RPM | 4600 RPM | 4500 RPM |
| Torque | 627 Nm | 145 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Engine Bore Size | 105 mm | 66 mm |
| Engine Stroke Size | 101.2 mm | 96 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1483 kg | 1225 kg |
| Vehicle Length | 4520 mm | 4870 mm |
| Vehicle Width | 1710 mm | 1710 mm |
| Vehicle Height | 1260 mm | 1530 mm |
| Wheelbase Size | 2440 mm | 2900 mm |
| Fuel Tank Capacity | 85 L | 77 L |
