* Based on opinions and should be considered as general guidance only.
- Reliability (3)BMW vehicles, while well-engineered, can sometimes experience electrical or minor mechanical issues as they age, and parts can be expensive.
- Maintenance (2)Maintenance costs for BMWs, especially M performance models, are typically higher than average due to specialized parts and labor rates.
- Technology (4)BMW's iDrive infotainment system is intuitive and responsive, and the car comes with a good suite of standard and optional tech features, including advanced driver aids.
- Comfort (3)While the front seats are supportive, the ride can be firm, especially with larger wheels, and the sloping roofline compromises rear passenger headroom and cargo space.
- Dynamics (5)The X4 M40i offers impressive handling and acceleration for an SUV, with a potent engine and well-tuned suspension that makes it surprisingly engaging to drive.