Technical Specifications
| Brand | BMW |
| Model | 4 Series |
| Generation | 4 Series Gran Coupe (F36) |
| Type (Engine) | 428i (245 Hp) xDrive |
| Start of production | 2014 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 9 l/100 km (26.1 US mpg, 31.4 UK mpg, 11.1 km/l) |
| Fuel consumption (economy) – extra urban | 5.5 l/100 km (42.8 US mpg, 51.4 UK mpg, 18.2 km/l) |
| Fuel consumption (economy) – combined | 6.8 l/100 km (34.6 US mpg, 41.5 UK mpg, 14.7 km/l) |
| CO2 emissions | 159 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.8 sec |
| Acceleration 0 – 62 mph | 5.8 sec |
| Acceleration 0 – 60 mph | 5.5 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 6.4 kg/Hp, 155.1 Hp/tonne |
| Weight-to-torque ratio | 4.5 kg/Nm, 221.5 Nm/tonne |
| Power | 245 Hp @ 5000-6500 rpm |
| Power per litre | 122.7 Hp/l |
| Torque | 350 Nm @ 1250-4800 rpm (258.15 lb.-ft. @ 1250-4800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | N20B20A |
| Engine displacement | 1997 cm3 (121.86 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90.1 mm (3.55 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 7.6 l (8.03 US qt | 6.69 UK qt) |
| Kerb Weight | 1580 kg (3483.3 lbs.) |
| Max. weight | 2140 kg (4717.89 lbs.) |
| Max load | 560 kg (1234.59 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Trunk (boot) space – maximum | 1300 l (45.91 cu. ft.) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1700 kg (3747.86 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4638 mm (182.6 in.) |
| Width | 1825 mm (71.85 in.) |
| Height | 1404 mm (55.28 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1544 mm (60.79 in.) |
| Rear (Back) track | 1590 mm (62.6 in.) |
| Ride height (ground clearance) | 145 mm (5.71 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle (turning diameter) | 11.8 m (38.71 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Independent coil spring |
| 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 | 225/50 R17 94W |
| Wheel rims size | 7.5J x 17 |
The BMW 4 Series Gran Coupe (F36) 428i xDrive, produced from 2014 to 2016, represents BMW’s entry into the four-door coupe market, successfully blending the aesthetic appeal of a coupe with the practicality of a sedan. Positioned as a mid-range offering within the F36 lineup, the 428i xDrive aimed to deliver a balance of performance, luxury, and all-weather capability. It sat above the 420i models and below the more potent 435i and later 440i variants. The F36 Gran Coupe is based on the F30 3 Series platform, extending the wheelbase and lowering the roofline to achieve its distinctive silhouette. This model was primarily marketed in North America, Europe, and Asia, appealing to buyers seeking a stylish and dynamic alternative to traditional sedans.
Powertrain & Engine Architecture
The 428i xDrive is powered by BMW’s N20B20A 2.0-liter turbocharged inline-four engine. This engine is a cornerstone of BMW’s modern powertrain strategy, utilizing direct fuel injection, a twin-scroll turbocharger, and variable valve timing (VANOS) and valve lift (Valvetronic) technologies. The N20 engine is known for its responsiveness and efficiency. The turbocharger is integrated into the exhaust manifold, reducing turbo lag and improving low-end torque. The engine produces 245 horsepower at 5,000-6,500 rpm and 258 lb-ft of torque between 1,250 and 4,800 rpm. The xDrive system is BMW’s all-wheel-drive technology, employing a multi-plate clutch to distribute power between the front and rear axles as needed. The 428i xDrive was exclusively offered with an 8-speed automatic transmission, known for its smooth shifts and wide gear ratio spread, contributing to both performance and fuel economy.
Driving Characteristics
The 428i xDrive delivers a refined and engaging driving experience. While not as overtly sporty as the 435i, the 2.0-liter turbo engine provides ample power for everyday driving and spirited acceleration. The xDrive all-wheel-drive system enhances traction, particularly in inclement weather, providing a surefooted feel. The 8-speed automatic transmission is well-tuned, offering quick and seamless gear changes. Compared to the 6-speed manual transmission available on some 428i models, the automatic prioritizes comfort and ease of use. The steering is precise and well-weighted, providing good feedback to the driver. The suspension strikes a balance between comfort and handling, absorbing bumps effectively while maintaining body control in corners. Acceleration from 0 to 60 mph takes approximately 5.5 seconds, making it a competitive performer in its class.
Equipment & Trim Levels
The 428i xDrive came standard with a comprehensive list of features, including leatherette upholstery, power-adjustable front seats, a 6.5-inch iDrive infotainment system with Bluetooth connectivity, automatic climate control, and rain-sensing wipers. Optional extras included leather upholstery, a premium sound system, navigation, a head-up display, and a suite of driver-assistance features such as lane departure warning and collision warning. The interior design is modern and upscale, with a focus on ergonomics and driver comfort. Trim levels were relatively simple, with most options available as standalone additions rather than packaged into distinct tiers.
Chassis & Braking
The F36 Gran Coupe utilizes a MacPherson strut front suspension and a multi-link rear suspension, providing a comfortable and controlled ride. The xDrive models typically featured slightly stiffer springs and dampers compared to rear-wheel-drive variants to compensate for the added weight of the all-wheel-drive system. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. The anti-lock braking system (ABS) and dynamic stability control (DSC) are standard features, enhancing safety and stability. The 428i xDrive’s curb weight of approximately 3,483 lbs is relatively moderate, contributing to its agile handling.
Market Reception & Comparison
The BMW 428i xDrive was generally well-received by automotive critics, who praised its stylish design, comfortable interior, and engaging driving dynamics. The xDrive system was particularly appreciated for its ability to provide all-weather traction. Compared to the 420i, the 428i offered a significant performance upgrade, while remaining more affordable than the 435i. Fuel economy was also a strong point, with the 428i xDrive achieving around 34.6 mpg in combined driving. Some critics noted that the 2.0-liter engine lacked the character and sound of the larger six-cylinder engines offered in other 4 Series models.
Legacy
The N20 engine, while generally reliable, has been known to exhibit some issues, including oil leaks, coolant pump failures, and timing chain wear, particularly in higher-mileage examples. However, with proper maintenance, the N20 can be a durable and long-lasting engine. The 8-speed automatic transmission has also proven to be reliable. Today, the F36 428i xDrive represents a compelling value on the used car market, offering a blend of luxury, performance, and practicality at an affordable price point. Its stylish design and engaging driving dynamics continue to appeal to buyers seeking a sporty and sophisticated coupe.




