1973 Bristol 411 vs. 1973 Bristol 411 Mk IV
To start off, both 1973 Bristol 411 and 1973 Bristol 411 Mk IV were released in the same year (1973). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 6,556 cc (8 cylinders), 1973 Bristol 411 Mk IV is equipped with a bigger engine. In terms of performance, 1973 Bristol 411 (289 HP @ 5200 RPM) has 25 more horse power than 1973 Bristol 411 Mk IV. (264 HP @ 4800 RPM). In normal driving conditions, 1973 Bristol 411 should accelerate faster than 1973 Bristol 411 Mk IV. With that said, vehicle weight also plays an important factor in acceleration. 1973 Bristol 411 Mk IV weights approximately 2 kg more than 1973 Bristol 411 .
Let's talk about torque, 1973 Bristol 411 (588 Nm @ 3400 RPM) has 133 more torque (in Nm) than 1973 Bristol 411 Mk IV. (455 Nm @ 3600 RPM). This means 1973 Bristol 411 will have an easier job in driving up hills or pulling heavy equipment than 1973 Bristol 411 Mk IV.
Compare all specifications:
| 1973 Bristol 411 | 1973 Bristol 411 Mk IV | |
| Make | Bristol | Bristol |
| Model | 411 | 411 |
| Year Released | 1973 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 6277 cc | 6556 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 289 HP | 264 HP |
| Engine RPM | 5200 RPM | 4800 RPM |
| Torque | 588 Nm | 455 Nm |
| Torque RPM | 3400 RPM | 3600 RPM |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1710 kg | 1712 kg |
| Vehicle Length | 4920 mm | 4910 mm |
| Vehicle Width | 1740 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2910 mm | 2900 mm |
