BMW 6 series 2015 vs BMW 8 series 2018
| Gearbox: | Automatic | Automatic | |
|---|---|---|---|
| Engine: | 4.4 Petrol | 4.4 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 450 HP | 530 HP | |
| Torque: | 650 NM | 750 NM | |
| Acceleration 0-100 km/h: | 4.6 seconds | 3.7 seconds | |
| 
BMW 8 series is a more dynamic driving. BMW 6 series engine produces 80 HP less power than BMW 8 series, whereas torque is 100 NM less than BMW 8 series. Due to the lower power, BMW 6 series reaches 100 km/h speed 0.9 seconds later.  | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 8.6 | 10.5 | |
| Real fuel consumption: | 13.4 l/100km | 12.5 l/100km | |
| 
By specification BMW 6 series consumes 1.9 litres less fuel per 100 km than the BMW 8 series, which means that by driving the BMW 6 series over 15,000 km in a year you can save 285 litres of fuel. But when we compare the real fuel consumption reported by users, BMW 6 series consumes 0.9 litres more fuel per 100 km than the BMW 8 series.  | |||
| Fuel tank capacity: | 70 litres | 68 litres | |
| Full fuel tank distance: | 810 km in combined cycle | 640 km in combined cycle | |
| 520 km with real consumption | 540 km with real consumption | ||
| Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy. | |||
Drive type | |||
| Wheel drive type: | Rear wheel drive (RWD) | All wheel drive (AWD, 4x4) | |
| Ground clearance: | 126 mm (5 inches) | 128 mm (5 inches) | |
Engines | |||
| Average engine lifespan: | 300'000 km | 260'000 km | |
| Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a BMW 6 series engine could be longer. | |||
| Engine production duration: | 17 years | 17 years | |
| Engine spread: | Installed on at least 4 other car models, including BMW 5 sērija, BMW X5, BMW 7 sērija, BMW X6 | Installed on at least 3 other car models, including BMW 5 sērija, BMW 7 sērija, BMW X6 | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 6 series might be a better choice in this respect. | |||
Dimensions | |||
| Length: | 5.01 m | 4.85 m | |
| Width: | 1.89 m | 1.90 m | |
| Height: | 1.39 m | 1.35 m | |
| BMW 6 series is 16 cm longer than the BMW 8 series, width is practically the same , while the height of BMW 6 series is 5 cm higher. | |||
| Trunk capacity: | 460 litres | 420 litres | |
| Trunk max capacity: with rear seats folded down  | 
1265 litres | no data | |
| 
BMW 6 series has more luggage capacity. BMW 6 series has 40 litres more trunk space than the BMW 8 series.  | |||
| Turning diameter: | 12 meters | 11.9 meters | |
| The turning circle of the BMW 6 series is 0.1 metres more than that of the BMW 8 series. | |||
| Gross weight (kg): | 2`465 | 2`395 | |
| Safety: | no data | no data | |
| Quality: | no data | no data | |
| Average price (€): | 25 400 | 57 000 | |
| Pros and Cons: | 
BMW 6 sērija has    
    
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BMW 8 sērija has    
    
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