Kia Optima 2015 vs Peugeot 508 2015
| Gearbox: | Automatic | Automatic | |
|---|---|---|---|
| Engine: | 1.7 Diesel | 1.6 Diesel | |
| Camshaft drive: | Timing chain | Timing belt | |
| Engine chain usually needs to be replaced less often than the timing belt, but the cost of replacing the chain is usually higher. Chain motors are considered to be more reliable, but noisier and more vibration generating. | |||
Performance | |||
| Power: | 141 HP | 120 HP | |
| Torque: | 340 NM | 300 NM | |
| Acceleration 0-100 km/h: | 11 seconds | 11 seconds | |
| Kia Optima engine produces 21 HP more power than Peugeot 508, whereas torque is 40 NM more than Peugeot 508. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 4.4 | 3.9 | |
| 
The Peugeot 508 is a better choice when it comes to fuel economy. Kia Optima consumes 0.5 litres more fuel per 100 km than the Peugeot 508, which means that if you drive 15,000 km in a year, the Kia Optima could require 75 litres more fuel.  | |||
| Fuel tank capacity: | 70 litres | 72 litres | |
| Full fuel tank distance: | 1590 km in combined cycle | 1840 km in combined cycle | |
| 1700 km on highway | 2000 km on highway | ||
| Peugeot 508 gets more mileage on one fuel tank. | |||
| Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy. | |||
| Ground clearance: | 135 mm (5.3 inches) | 146 mm (5.7 inches) | |
| Because of the higher ground clearance, Peugeot 508 can perform better on bad roads - it can go over higher obstacles and bumps. At the same time, the higher ground clearance can reduce stability and handling on paved roads, especially at higher speeds. Note, however, that this Peugeot 508 version does not have 4x4 drive, which is very important in poor road conditions. | |||
Engines | |||
| Engine production duration: | 9 years | 11 years | |
| Engine spread: | Installed on at least 3 other car models, including Hyundai Sonata, Hyundai Tucson, Hyundai i40 | Installed on at least 11 other car models, including Peugeot 308, Citroen C4, Peugeot 3008, Citroen Berlingo, Opel Grandland | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Peugeot 508 might be a better choice in this respect. | |||
Dimensions | |||
| Length: | 4.86 m | 4.83 m | |
| Width: | 1.86 m | 1.83 m | |
| Height: | 1.49 m | 1.46 m | |
| Both cars are similar in size. Kia Optima is 3 cm longer than the Peugeot 508, 3 cm wider, while the height of Kia Optima is 3 cm higher. | |||
| Trunk capacity: | 510 litres | 515 litres | |
| Trunk max capacity: with rear seats folded down  | 
no data | 1183 litres | |
| Kia Optima has 5 litres less trunk space than the Peugeot 508. | |||
| Turning diameter: | 10.9 meters | 12.2 meters | |
| The turning circle of the Kia Optima is 1.3 metres less than that of the Peugeot 508, which means Kia Optima can be easier to manoeuvre in tight streets and parking spaces. | |||
| Gross weight (kg): | 2`080 | 2`045 | |
| Safety: | no data | ||
| Quality: | no data | no data | |
| Average price (€): | 11 600 | 7000 | |
| Pros and Cons: | 
Kia Optima has    
    
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Peugeot 508 has    
    
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