Hva er BMW Z4 eller Rolls-Royce Silver Spur?

3 grunner for å kjøpe BMW Z4

1. Mer ventiler per sylinder
   2 flere ventiler per sylinder. The more valves, the better the fuel combustion. This provides more power, greater torque, and higher engine efficiency.
   

   4 ventiler per sylinder

   2 ventiler per sylinder

2. Det er bedre kompresjon
   22% eller 2.2 The higher the compression ratio, the less fuel is required to achieve the same power. This can affect the engine's efficiency.
   

   10.2 kompresjon

   8 kompresjon

3. Mer gir automatisk girkasse
   4 gir The more gears in an automatic transmission, the less fuel the vehicle consumes because of more transmissions options and efficient torque usage.
   

   8 gir automatisk girkasse

   4 gir automatisk girkasse

7 grunner for å kjøpe Rolls-Royce Silver Spur

1. Mer sylindere
   4 sylinder mer. The more cylinders, the greater the engine stability with less vibration. Engine efficiency increases due to shorter pauses between strokes.
   

   4 sylindere

   8 sylindere

2. Stempelslag lenger
   5% eller 4.5 mm The longer the piston stroke, the better the engine’s fuel combustion efficiency. This reduces fuel consumption and creates a more environmentally-friendly engine.
   

   94.6 mm Stempelslag

   99.1 mm Stempelslag

3. Mer sylinderboring
   21% eller 22.1 mm The larger the cylinder bore, the better the combustion chamber fills. This provides power but can also increase engine emissions.
   

   82 mm sylinderboring

   104.1 mm sylinderboring

4. Mer motorkraft
   22% eller 71 hk The greater the vehicle's power, the better the acceleration. Also, powerful cars provide higher speeds.
   

   258 hk motorkraft

   329 hk motorkraft

5. Mer dreiemoment
   46% eller 338 Nm. The higher the torque, the faster the acceleration.
   

   400 Nm @ 1550-4400 rot/min. dreiemoment

   738 Nm @ 2100 rot/min. dreiemoment

6. Mer motor kapasitet
   70% eller 4750 cm³ mer. The greater the engine capacity, the lower the wear and tear. Larger engine capacities provide longer vehicle lifespans.
   

   1998 cm3 motor kapasitet

   6748 cm3 motor kapasitet

7. Mer seter
   3 The more seats, the more passengers the car can carry.
   

   2 seter

   5 seter

Neutrale grunner BMW Z4 og Rolls-Royce Silver Spur

1. Motor posisjon
   

   Front, langsgående Motor posisjon

   Front, langsgående Motor posisjon

2. Sylinderes plassering
   

   På linje Sylinderes plassering

   V Motor Sylinderes plassering

3. Drivstofftilførsel
   

   Direkte injeksjon

   Flerpunktsinjeksjon

4. Dører
   

   2 Dører

   4 Dører