Technical Specifications
| Brand | BMW |
| Model | XM |
| Generation | XM (G09) |
| Type (Engine) | 4.4 V8 (653 Hp) Plug-in Hybrid xDrive Steptronic |
| Start of production | September, 2022 |
| Powertrain Architecture | PHEV (Plug-in Hybrid Electric Vehicle) |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 1.5-1.6 l/100 km (156.8 – 147 US mpg) |
| CO2 emissions (WLTP) | 33-36 g/km |
| Fuel Type | Petrol / electricity |
| Acceleration 0 – 100 km/h | 4.3 sec |
| Acceleration 0 – 62 mph | 4.3 sec |
| Acceleration 0 – 60 mph | 4.1 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6d |
| Weight-to-power ratio | 4.2 kg/Hp |
| Weight-to-torque ratio | 3.4 kg/Nm |
| Gross battery capacity | 29.5 kWh |
| Net (usable) battery capacity | 25.7 kWh |
| Battery voltage | 317 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery location | Below the floor |
| All-electric range (WLTP) | 82-88 km (50.95 – 54.68 mi) |
| Average Energy consumption (WLTP) | 28.9-30.1 kWh/100 km (46.51 – 48.44 kWh/100 mi) |
| Max speed (electric) | 140 km/h (86.99 mph) |
| Electric motor power | 197 Hp @ 7000 rpm (280 Nm @ 100-5500 rpm / 206.52 lb.-ft. @ 100-5500 rpm) |
| System power | 653 Hp |
| System torque | 800 Nm (590.05 lb.-ft.) |
| Power | 490 Hp @ 5400-7200 rpm |
| Torque | 650 Nm @ 1600-5000 rpm (479.42 lb.-ft. @ 1600-5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | S68B44T0 |
| Engine displacement | 4395 cm3 (268.2 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 88.3 mm (3.48 in.) |
| Piston Stroke | 89.5 mm (3.52 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Valvetrain | VALVETRONIC, Double-VANOS |
| Engine oil capacity | 10.75 l (11.36 US qt | 9.46 UK qt) |
| Kerb Weight | 2710 kg (5974.53 lbs.) |
| Max. weight | 3300 kg (7275.25 lbs.) |
| Max load | 590 kg (1300.73 lbs.) |
| Trunk (boot) space – minimum | 527 l (18.61 cu. ft.) |
| Trunk (boot) space – maximum | 1820 l (64.27 cu. ft.) |
| Fuel tank capacity | 69 l (18.23 US gal | 15.18 UK gal) |
| Permitted trailer load with brakes (12%) | 2700 kg (5952.48 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 140 kg (308.65 lbs.) |
| Length | 5110 mm (201.18 in.) |
| Width | 2005 mm (78.94 in.) |
| Height | 1755 mm (69.09 in.) |
| Wheelbase | 3105 mm (122.24 in.) |
| Front track | 1726 mm (67.95 in.) |
| Rear (Back) track | 1690 mm (66.54 in.) |
| Ride height (ground clearance) | 220 mm (8.66 in.) |
| Minimum turning circle (turning diameter) | 12.5 m (41.01 ft.) |
| Drivetrain Architecture | All wheel drive (4×4). PHEV. ICE and electric motor drive all four wheels. |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | Front: 275/45 R21 110Y XL, Rear: 315/40 R21 115Y XL |
| Wheel rims size | Front: 9.5J x 21, Rear: 10.5J x 21 |
The BMW XM (G09) 4.4 V8 Plug-in Hybrid xDrive Steptronic is a performance luxury SUV that debuted in September 2022. It represents a bold step for BMW, being the first dedicated high-performance electric vehicle (PHEV) under the M brand. The XM is built on a modified version of the CLAR platform, shared with other BMW models, but features unique styling and a powerful powertrain. This variant, with its 653 hp output, is the range-topping model, designed to deliver exhilarating performance alongside improved fuel efficiency and reduced emissions. It aims to appeal to buyers seeking a blend of luxury, performance, and sustainability.
Powertrain & Engine Architecture
At the heart of the XM is BMW’s S68B44T0 4.4-liter twin-turbocharged V8 engine. This engine, a staple in many high-performance BMWs, produces 490 hp and 479 lb-ft of torque on its own. Coupled with a 197 hp electric motor integrated between the engine and the 8-speed Steptronic automatic transmission, the total system output reaches 653 hp and 590 lb-ft of torque. The engine utilizes direct injection and BMW’s VALVETRONIC and Double-VANOS technologies for optimized efficiency and power delivery. The 25.7 kWh usable capacity lithium-ion battery, located under the floor, provides an all-electric range of 82-88 km (51-55 miles) according to WLTP standards. The Steptronic transmission is specifically tuned to handle the combined power output and provides smooth and responsive gear changes.
Driving Characteristics
The XM 4.4 V8 delivers a remarkably potent driving experience. The instant torque from the electric motor complements the V8’s power, resulting in rapid acceleration – 0-60 mph in approximately 4.1 seconds. The all-wheel-drive system (xDrive) ensures optimal traction in various conditions. While the added weight of the battery pack is noticeable, the XM maintains a surprisingly agile feel for its size. In electric mode, the vehicle offers a quiet and refined driving experience, ideal for city commuting. Switching to Sport mode unleashes the full potential of the powertrain, providing a thrilling and engaging driving experience. The 8-speed automatic transmission is well-matched to the engine, offering smooth shifts and quick responses.
Equipment & Trim Levels
The XM 4.4 V8 comes standard with a comprehensive suite of luxury and technology features. Interior appointments include premium leather upholstery, carbon fiber trim, and a curved display incorporating a 12.3-inch digital instrument cluster and a 14.9-inch infotainment touchscreen. Standard equipment includes adaptive suspension, M Sport brakes, and a panoramic sunroof. Optional extras include upgraded audio systems, individual paint colors, and bespoke interior customization options. The XM is designed to offer a high level of personalization, allowing buyers to tailor the vehicle to their specific preferences.
Chassis & Braking
The XM features a robust chassis designed to handle the vehicle’s weight and power. It utilizes a double-wishbone front suspension and an independent multi-link rear suspension, both tuned for a balance of comfort and performance. Ventilated disc brakes are fitted on all four wheels, providing ample stopping power. The XM also incorporates advanced driver-assistance systems, including ABS, stability control, and various safety features. The suspension is electronically controlled, allowing for adjustments to damping and ride height based on driving conditions and driver preferences.
Market Reception & Comparison
The BMW XM has received mixed reviews from automotive critics. While praised for its performance and technology, its bold styling has been a point of contention. Compared to other high-performance SUVs like the Porsche Cayenne Turbo S E-Hybrid, the XM offers a more aggressive and distinctive design. Its plug-in hybrid powertrain provides a competitive fuel economy advantage, but its weight and size can detract from its agility. The XM’s pricing positions it firmly in the luxury segment, competing with top-tier offerings from brands like Mercedes-Benz and Land Rover.
Legacy
The BMW XM represents a significant step for the brand, showcasing its commitment to electrification and high performance. The long-term reliability of the powertrain remains to be seen, but BMW’s reputation for engineering quality suggests a durable and dependable system. In the used car market, the XM is expected to hold its value well, particularly among enthusiasts seeking a unique and powerful luxury SUV. Its innovative powertrain and bold design are likely to make it a collectible vehicle in the future.
