1999 BMW Z8 vs. 1994 Porsche 928
To start off, 1999 BMW Z8 is newer by 5 year(s). Which means there will be less support and parts availability for 1994 Porsche 928. In addition, the cost of maintenance, including insurance, on 1994 Porsche 928 would be higher. At 4,939 cc (8 cylinders), 1999 BMW Z8 is equipped with a bigger engine. In terms of performance, 1999 BMW Z8 (400 HP @ 6600 RPM) has 94 more horse power than 1994 Porsche 928. (306 HP @ 5900 RPM). In normal driving conditions, 1999 BMW Z8 should accelerate faster than 1994 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z8 weights approximately 55 kg more than 1994 Porsche 928. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1999 BMW Z8 (500 Nm @ 3800 RPM) has 91 more torque (in Nm) than 1994 Porsche 928. (409 Nm @ 4100 RPM). This means 1999 BMW Z8 will have an easier job in driving up hills or pulling heavy equipment than 1994 Porsche 928.
Compare all specifications:
| 1999 BMW Z8 | 1994 Porsche 928 | |
| Make | BMW | Porsche |
| Model | Z8 | 928 |
| Year Released | 1999 | 1994 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4939 cc | 4664 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 400 HP | 306 HP |
| Engine RPM | 6600 RPM | 5900 RPM |
| Torque | 500 Nm | 409 Nm |
| Torque RPM | 3800 RPM | 4100 RPM |
| Engine Bore Size | 94 mm | 97 mm |
| Engine Stroke Size | 89 mm | 78.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1530 kg |
| Vehicle Length | 4410 mm | 4450 mm |
| Vehicle Width | 1840 mm | 1840 mm |
| Vehicle Height | 1320 mm | 1290 mm |
| Wheelbase Size | 2510 mm | 2510 mm |
| Fuel Tank Capacity | 73 L | 76 L |
