2003 Buick Regal vs. 2007 Chevrolet Lumina
To start off, 2007 Chevrolet Lumina is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Buick Regal. In addition, the cost of maintenance, including insurance, on 2003 Buick Regal would be higher. At 5,666 cc (8 cylinders), 2007 Chevrolet Lumina is equipped with a bigger engine. In terms of performance, 2007 Chevrolet Lumina (335 HP @ 5600 RPM) has 138 more horse power than 2003 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2007 Chevrolet Lumina should accelerate faster than 2003 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2007 Chevrolet Lumina weights approximately 94 kg more than 2003 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Chevrolet Lumina 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 2007 Chevrolet Lumina. However, in wet, icy, snow, or gravel driving conditions, 2003 Buick Regal, 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, 2007 Chevrolet Lumina (470 Nm @ 4000 RPM) has 158 more torque (in Nm) than 2003 Buick Regal. (312 Nm @ 4000 RPM). This means 2007 Chevrolet Lumina will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Regal. 2003 Buick Regal has automatic transmission and 2007 Chevrolet Lumina has manual transmission. 2007 Chevrolet Lumina will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Buick Regal | 2007 Chevrolet Lumina | |
| Make | Buick | Chevrolet |
| Model | Regal | Lumina |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 5666 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 335 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 312 Nm | 470 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 99 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 9.4:1 | 10.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1654 kg |
| Vehicle Length | 4990 mm | 4880 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2780 mm | 2940 mm |
| Fuel Tank Capacity | 64 L | 75 L |
