1974 Bristol 411 vs. 1974 AC 428
To start off, both 1974 Bristol 411 and 1974 AC 428 were released in the same year (1974). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 7,003 cc (8 cylinders), 1974 AC 428 is equipped with a bigger engine. In terms of performance, 1974 AC 428 (298 HP @ 4600 RPM) has 10 more horse power than 1974 Bristol 411. (288 HP @ 5200 RPM) In normal driving conditions, 1974 AC 428 should accelerate faster than 1974 Bristol 411. With that said, vehicle weight also plays an important factor in acceleration. 1974 Bristol 411 weights approximately 280 kg more than 1974 AC 428.
Let's talk about torque, 1974 AC 428 (639 Nm @ 2800 RPM) has 51 more torque (in Nm) than 1974 Bristol 411. (588 Nm @ 3400 RPM). This means 1974 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1974 Bristol 411.
Compare all specifications:
| 1974 Bristol 411 | 1974 AC 428 | |
| Make | Bristol | AC |
| Model | 411 | 428 |
| Year Released | 1974 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 6277 cc | 7003 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 288 HP | 298 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 588 Nm | 639 Nm |
| Torque RPM | 3400 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1710 kg | 1430 kg |
| Vehicle Length | 4920 mm | 4430 mm |
| Vehicle Width | 1740 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2910 mm | 2450 mm |
