Technical Specifications
| Brand | Alpina |
| Model | XD4 |
| Generation | XD4 (G02 LCI, facelift 2021) |
| Type (Engine) | 3.0d (394 Hp) xDrive Switch-Tronic |
| Start of production | November, 2021 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SAC |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 8.6 l/100 km (27.4 US mpg, 32.8 UK mpg, 11.6 km/l) |
| CO2 emissions (WLTP) | 224 g/km |
| Fuel consumption (urban) | 8.3 l/100 km (28.3 US mpg, 34 UK mpg, 12 km/l) |
| Fuel consumption (extra urban) | 6.4 l/100 km (36.8 US mpg, 44.1 UK mpg, 15.6 km/l) |
| Fuel consumption (combined) | 7.1 l/100 km (33.1 US mpg, 39.8 UK mpg, 14.1 km/l) |
| CO2 emissions (NEDC) | 187 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 4.6 sec |
| Acceleration 0 – 62 mph | 4.6 sec |
| Acceleration 0 – 60 mph | 4.4 sec |
| Acceleration 0 – 200 km/h | 17.7 sec |
| Maximum speed | 268 km/h (166.53 mph) |
| Emission standard | Euro 6d-ISC-FCM |
| Weight-to-power ratio | 5.3 kg/Hp, 190.3 Hp/tonne |
| Weight-to-torque ratio | 2.6 kg/Nm, 386.5 Nm/tonne |
| Power | 394 Hp @ 4000-5000 rpm |
| Power per litre | 131.6 Hp/l |
| Torque | 800 Nm @ 1750-3000 rpm (590.05 lb.-ft. @ 1750-3000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B57D30C |
| Engine displacement | 2993 cm3 (182.64 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | 4 Turbochargers, Intercooler |
| Valvetrain | DOHC |
| Engine systems | Start & Stop System, Particulate filter |
| Kerb Weight | 2070 kg (4563.57 lbs.) |
| Max. weight | 2560 kg (5643.83 lbs.) |
| Max load | 490 kg (1080.27 lbs.) |
| Trunk (boot) space – minimum | 525 l (18.54 cu. ft.) |
| Trunk (boot) space – maximum | 1430 l (50.5 cu. ft.) |
| Fuel tank capacity | 68 l (17.96 US gal, 14.96 UK gal) |
| AdBlue tank | 20 l (5.28 US gal, 4.4 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2400 kg (5291.09 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 100 kg (220.46 lbs.) |
| Length | 4751 mm (187.05 in.) |
| Width | 1927 mm (75.87 in.) |
| Width including mirrors | 2138 mm (84.17 in.) |
| Height | 1615 mm (63.58 in.) |
| Wheelbase | 2864 mm (112.76 in.) |
| Front track | 1619 mm (63.74 in.) |
| Rear track | 1628 mm (64.09 in.) |
| Ride height (ground clearance) | 204 mm (8.03 in.) |
| Minimum turning circle | 12.1 m (39.7 ft.) |
| Drivetrain Architecture | All wheel drive (4×4) |
| Number of gears | 8 |
| Gearbox type | automatic transmission Switch-Tronic |
| Front suspension | Spring Strut |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs, 395 mm |
| Rear brakes | Ventilated discs, 398 mm |
The Alpina XD4 (G02 LCI, facelift 2021) 3.0d xDrive Switch-Tronic is a high-performance diesel Sports Activity Coupe (SAC) produced by the German automotive manufacturer Alpina. Introduced in November 2021 as part of the G02 X4’s Life Cycle Impulse (LCI) or facelift, this variant occupies a unique position within the X4 range, bridging the gap between the standard BMW X4 models and the more focused Alpina X4. It represents Alpina’s commitment to blending luxury, performance, and efficiency in a practical, five-door package. The XD4 LCI builds upon the foundation of the G02 X4, incorporating Alpina’s signature styling cues and powertrain enhancements.
Powertrain & Engine Architecture
At the heart of the XD4 lies Alpina’s version of the BMW B57D30C 3.0-liter inline-six diesel engine. While based on the BMW unit, Alpina significantly modifies it with four turbochargers – a standard turbocharger, a twin-scroll turbocharger, and two smaller auxiliary turbochargers. This complex setup minimizes turbo lag and delivers a broad, flat torque curve. The engine utilizes a diesel commonrail direct injection system and a double-VANOS variable valve timing system. The engine produces 394 horsepower at 4000-5000 rpm and a substantial 800 Nm (590 lb-ft) of torque between 1750 and 3000 rpm. The engine is paired with a ZF 8-speed automatic transmission, specifically tuned by Alpina with their “Switch-Tronic” software. This software allows for quicker shifts and more responsive control, offering both automatic and manual shifting modes.
Driving Characteristics
The XD4 3.0d offers a unique driving experience. The abundant torque from the diesel engine provides effortless acceleration, with a 0-60 mph time of around 4.4 seconds. The Switch-Tronic transmission is well-matched to the engine’s characteristics, providing smooth and quick gear changes. Compared to the standard X4 30d, the Alpina XD4 delivers significantly more power and torque, resulting in a more engaging and dynamic driving experience. While not as overtly sporty as the X4 M, the XD4 offers a compelling blend of performance and comfort. The all-wheel-drive system provides excellent traction in various conditions, enhancing stability and control.
Equipment & Trim Levels
The XD4 comes standard with a high level of equipment, reflecting its premium positioning. Standard features typically include Alpina-specific exterior styling elements (front and rear spoilers, side skirts), Alpina badging, luxurious leather upholstery, heated and ventilated front seats, a panoramic sunroof, a premium sound system, and a comprehensive suite of driver-assistance systems. Optional extras include bespoke interior trim options, Alpina’s signature 22-inch alloy wheels, and advanced driver-assistance features. The interior generally features Alpina-branded instrumentation and unique trim pieces, setting it apart from standard X4 models.
Chassis & Braking
The XD4 utilizes a reinforced chassis and suspension system to handle the increased power and torque. The front suspension features spring struts, while the rear utilizes an independent multi-link setup. Alpina-tuned dampers and springs provide a comfortable yet controlled ride. The braking system consists of ventilated discs all around, with larger front and rear rotors compared to the standard X4. The XD4 is equipped with ABS, stability control, and other advanced braking assistance systems.
Market Reception & Comparison
The Alpina XD4 was generally well-received by automotive critics, who praised its blend of performance, luxury, and efficiency. It was often positioned as a compelling alternative to the Porsche Macan Diesel (when available) and other high-performance SUVs. Fuel economy, while not exceptional for a diesel, was respectable for the performance on offer. Reliability was generally good, benefiting from the robust BMW underpinnings and Alpina’s meticulous engineering. Compared to the X4 30d, the XD4 offered a significant performance upgrade, while the X4 M provided a more focused, track-oriented experience.
Legacy
The Alpina XD4 (G02 LCI) represents a refined and capable high-performance diesel SUV. The B57 engine, with Alpina’s enhancements, has proven to be a durable and reliable powertrain. On the used car market, these models hold their value well, appealing to buyers seeking a unique and well-engineered vehicle. The combination of luxury, performance, and practicality continues to make the XD4 a desirable option for enthusiasts and discerning buyers alike. The complex turbocharger setup requires diligent maintenance, but with proper care, the XD4 powertrain is expected to provide many years of reliable service.
