1999 BMW Z8 vs. 1991 Ford Thunderbird
To start off, 1999 BMW Z8 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Ford Thunderbird. In addition, the cost of maintenance, including insurance, on 1991 Ford Thunderbird 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 262 more horse power than 1991 Ford Thunderbird. (138 HP @ 3800 RPM). In normal driving conditions, 1999 BMW Z8 should accelerate faster than 1991 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 25 kg more than 1999 BMW Z8.
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, 1999 BMW Z8 (500 Nm @ 3800 RPM) has 209 more torque (in Nm) than 1991 Ford Thunderbird. (291 Nm @ 2400 RPM). This means 1999 BMW Z8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Thunderbird.
Compare all specifications:
| 1999 BMW Z8 | 1991 Ford Thunderbird | |
| Make | BMW | Ford |
| Model | Z8 | Thunderbird |
| Year Released | 1999 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4939 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 400 HP | 138 HP |
| Engine RPM | 6600 RPM | 3800 RPM |
| Torque | 500 Nm | 291 Nm |
| Torque RPM | 3800 RPM | 2400 RPM |
| Engine Bore Size | 94 mm | 96.9 mm |
| Engine Stroke Size | 89 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1610 kg |
| Vehicle Length | 4410 mm | 5050 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1320 mm | 1350 mm |
| Wheelbase Size | 2510 mm | 2880 mm |
| Fuel Tank Capacity | 73 L | 45 L |
