The BMW X5 (G05) 40i sDrive, produced from 2019 to 2020, represents a significant iteration of BMW’s popular Sports Activity Vehicle (SAV). Positioned as a mid-range offering within the G05 X5 lineup, it served as a compelling alternative to the base xDrive30i and the performance-oriented xDrive40i, appealing to buyers seeking a balance of power, luxury, and efficiency. This rear-wheel drive variant distinguished itself from the more common all-wheel drive models, offering a slightly different driving experience and potentially improved fuel economy. The 40i designation indicates its engine – a 3.0-liter inline-six producing 335 horsepower – coupled with BMW’s Steptronic 8-speed automatic transmission.
Technical Specifications
| Brand | BMW |
| Model | X5 |
| Generation | X5 (G05) |
| Type (Engine) | 40i (335 Hp) sDrive Steptronic |
| Start of production | 2019 |
| End of production | 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SAV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (EPA) | 11.2 l/100 km (21 US mpg, 25.2 UK mpg, 8.9 km/l) |
| Fuel consumption (economy) – extra urban (EPA) | 9 l/100 km (26.1 US mpg, 31.4 UK mpg, 11.1 km/l) |
| Fuel consumption (economy) – combined (EPA) | 10.2 l/100 km (23.1 US mpg, 27.7 UK mpg, 9.8 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 60 mph | 5.2 sec |
| Maximum speed | 210 km/h (130.49 mph), Electronically limited |
| Weight-to-power ratio | 6.4 kg/Hp, 155.2 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 207.1 Nm/tonne |
| Power | 335 Hp @ 5500-6500 rpm |
| Power per litre | 111.7 Hp/l |
| Torque | 447 Nm @ 1500-5200 rpm (329.69 lb.-ft. @ 1500-5200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B58B30M1 |
| Engine displacement | 2998 cm3 (182.95 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 94.6 mm (3.72 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Valvetrain | VALVETRONIC, Double-VANOS |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 2158 kg (4757.58 lbs.) |
| Max. weight | 2745 kg (6051.69 lbs.) |
| Max load | 587 kg (1294.11 lbs.) |
| Trunk (boot) space – minimum | 650 l (22.95 cu. ft.) |
| Trunk (boot) space – maximum | 1870 l (66.04 cu. ft.) |
| Fuel tank capacity | 83 l (21.93 US gal | 18.26 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 3270 kg (7209.12 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4936 mm (194.33 in.) |
| Width | 2004 mm (78.9 in.) |
| Width including mirrors | 2218 mm (87.32 in.) |
| Height | 1744 mm (68.66 in.) |
| Wheelbase | 2975 mm (117.13 in.) |
| Front track | 1679 mm (66.1 in.) |
| Rear (Back) track | 1699 mm (66.89 in.) |
| Front overhang | 888 mm (34.96 in.) |
| Rear overhang | 1073 mm (42.24 in.) |
| Ride height (ground clearance) | 212 mm (8.35 in.) |
| Minimum turning circle (turning diameter) | 12 m (39.37 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 8 gears, automatic transmission Steptronic |
Powertrain & Engine Architecture
At the heart of the X5 40i sDrive lies the B58B30M1 3.0-liter inline-six engine. This engine is a member of BMW’s modular engine family, known for its smooth power delivery and efficiency. It utilizes direct fuel injection, a twin-scroll turbocharger, and BMW’s VALVETRONIC variable valve timing and lift system, along with Double-VANOS variable camshaft timing. These technologies work in concert to optimize combustion, resulting in a broad torque curve and responsive performance. The engine produces 335 horsepower and 332 lb-ft of torque. The Steptronic 8-speed automatic transmission is specifically tuned to complement the engine’s characteristics, offering smooth and quick shifts. This transmission features a torque converter and allows for both automatic and manual gear selection via steering wheel-mounted paddles.
Driving Characteristics
The rear-wheel drive configuration of the X5 40i sDrive imparts a distinct driving feel compared to its xDrive all-wheel drive siblings. While lacking the added traction of AWD, the sDrive model offers a more engaging and balanced driving experience, particularly on dry pavement. The 8-speed automatic transmission provides seamless gear changes, and the engine’s ample torque allows for brisk acceleration. The 0-60 mph sprint takes approximately 5.2 seconds. The gear ratios are optimized for both everyday driving and highway cruising. Compared to the xDrive40i, the sDrive variant may exhibit slightly more oversteer, appealing to drivers who enjoy a more dynamic driving experience. However, it’s important to note that the sDrive is less capable in inclement weather or on low-traction surfaces.
Equipment & Trim Levels
The X5 40i sDrive came standard with a generous array of features, including BMW’s iDrive infotainment system with a 12.3-inch touchscreen display, navigation, Apple CarPlay compatibility, a premium sound system, leather upholstery, power-adjustable front seats, and a panoramic sunroof. Optional extras included upgraded leather options, a head-up display, adaptive cruise control, a surround-view camera system, and various driver-assistance features. The interior design emphasized luxury and comfort, with high-quality materials and a modern aesthetic. Trim levels were relatively streamlined, with most customization occurring through optional packages.
Chassis & Braking
The G05 X5 utilizes a sophisticated chassis design featuring a double-wishbone front suspension and a multi-link rear suspension. The suspension is tuned to provide a comfortable ride while maintaining responsive handling. Air suspension was available as an option, further enhancing ride quality and allowing for adjustable ride height. The X5 40i sDrive is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) are standard safety features.
Market Reception & Comparison
The X5 40i sDrive was generally well-received by automotive critics. It was praised for its powerful engine, comfortable ride, and luxurious interior. The rear-wheel drive configuration was seen as a positive for drivers who prioritize handling and driving engagement. However, some reviewers noted that the lack of all-wheel drive limited its appeal in regions with harsh winters or frequent rain. Compared to the xDrive30i, the 40i sDrive offered significantly more power and performance. Compared to the xDrive40i, it provided a similar level of performance but at a potentially lower price point, albeit with the compromise of all-wheel drive.
Legacy
The B58 engine powering the X5 40i sDrive has proven to be remarkably reliable, and is considered one of BMW’s most successful engine designs. The Steptronic 8-speed automatic transmission is also known for its durability. As a result, well-maintained X5 40i sDrive models continue to hold their value in the used car market. While not as common as the all-wheel drive variants, the sDrive model appeals to enthusiasts who appreciate its unique driving characteristics and rear-wheel drive dynamics. The G05 X5, in general, has established itself as a benchmark in the luxury mid-size SUV segment, and the 40i sDrive represents a compelling option for buyers seeking a blend of performance, luxury, and value.
