1999 Ford Mustang vs. 1989 Pontiac Bonneville
To start off, 1999 Ford Mustang is newer by 10 year(s). Which means there will be less support and parts availability for 1989 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1989 Pontiac Bonneville would be higher. At 4,605 cc (8 cylinders), 1999 Ford Mustang is equipped with a bigger engine. In terms of performance, 1999 Ford Mustang (256 HP @ 5250 RPM) has 108 more horse power than 1989 Pontiac Bonneville. (148 HP @ 4400 RPM). In normal driving conditions, 1999 Ford Mustang should accelerate faster than 1989 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1989 Pontiac Bonneville weights approximately 18 kg more than 1999 Ford Mustang.
Because 1999 Ford Mustang is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 Ford Mustang. However, in wet, icy, snow, or gravel driving conditions, 1989 Pontiac Bonneville, being front wheel drive (FWD), will offer much better control with better grip. 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 Ford Mustang (406 Nm @ 4000 RPM) has 135 more torque (in Nm) than 1989 Pontiac Bonneville. (271 Nm @ 2000 RPM). This means 1999 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 1989 Pontiac Bonneville. 1989 Pontiac Bonneville has automatic transmission and 1999 Ford Mustang has manual transmission. 1999 Ford Mustang will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Ford Mustang | 1989 Pontiac Bonneville | |
| Make | Ford | Pontiac |
| Model | Mustang | Bonneville |
| Year Released | 1999 | 1989 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4605 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 256 HP | 148 HP |
| Engine RPM | 5250 RPM | 4400 RPM |
| Torque | 406 Nm | 271 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 90.2 mm | 96.6 mm |
| Engine Stroke Size | 90 mm | 86.4 mm |
| Engine Compression Ratio | 9.0:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1482 kg | 1500 kg |
| Vehicle Length | 4660 mm | 5060 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1360 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2820 mm |
| Fuel Tank Capacity | 59 L | 68 L |
