1977 BMW 728 vs. 1978 Cadillac Seville
To start off, 1978 Cadillac Seville is newer by 1 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 47 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 354 kg more than 1977 BMW 728.
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, 1978 Cadillac Seville (304 Nm @ 1600 RPM) has 69 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728. 1978 Cadillac Seville has automatic transmission and 1977 BMW 728 has manual transmission. 1977 BMW 728 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 BMW 728 | 1978 Cadillac Seville | |
| Make | BMW | Cadillac |
| Model | 728 | Seville |
| Year Released | 1977 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 5735 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 123 HP |
| Engine RPM | 6000 RPM | 3600 RPM |
| Torque | 235 Nm | 304 Nm |
| Torque RPM | 3700 RPM | 1600 RPM |
| Engine Bore Size | 86 mm | 103 mm |
| Engine Stroke Size | 80 mm | 86 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1536 kg | 1890 kg |
| Vehicle Length | 4870 mm | 5190 mm |
| Vehicle Width | 1810 mm | 1830 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2800 mm | 2910 mm |
| Fuel Tank Capacity | 85 L | 79 L |
