2003 BMW M3 vs. 1968 Riley 4
To start off, 2003 BMW M3 is newer by 35 year(s). Which means there will be less support and parts availability for 1968 Riley 4. In addition, the cost of maintenance, including insurance, on 1968 Riley 4 would be higher. At 2,993 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (240 HP) has 173 more horse power than 1968 Riley 4. (67 HP). In normal driving conditions, 2003 BMW M3 should accelerate faster than 1968 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW M3 weights approximately 294 kg more than 1968 Riley 4. 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, 2003 BMW M3 (300 Nm @ 4250 RPM) has 179 more torque (in Nm) than 1968 Riley 4. (121 Nm @ 2500 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1968 Riley 4.
Compare all specifications:
| 2003 BMW M3 | 1968 Riley 4 | |
| Make | BMW | Riley |
| Model | M3 | 4 |
| Year Released | 2003 | 1968 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1622 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 67 HP |
| Torque | 300 Nm | 121 Nm |
| Torque RPM | 4250 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 76.2 mm |
| Engine Stroke Size | 85.8 mm | 88.9 mm |
| Engine Compression Ratio | 10.5:1 | 8.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1442 kg | 1148 kg |
| Vehicle Length | 4440 mm | 4540 mm |
| Vehicle Width | 1720 mm | 1620 mm |
| Vehicle Height | 1340 mm | 1530 mm |
| Wheelbase Size | 2730 mm | 2530 mm |
| Fuel Tank Capacity | 65 L | 45 L |
