Alpina B3 Cabrio (E46) 3.3 i 24V (280 Hp)


Overall Rating

7.8 / 10
Safety 4.0 / 5
Engine 4.2 / 5
Value 3.5 / 5
Performance 4.3 / 5
Comfort 4.0 / 5
People\'s Opinion N/A / 5
Not Rated

Alpina B3:

The Alpina B3 are a series of high performance executive cars manufactured by German automobile manufacturer Alpina, which is based on the BMW 3 Series of the car manufacturer BMW. As of 2021, it is produced as a sedan and station wagon. Up to and including the E90 series, two-door sedans, coupes and convertibles were also offered. With the exception of the convertible, every model was optionally available with all-wheel drive. The current diesel variant runs under the Alpina D3 Biturbo....(Read more on Wikipedia)

Cabrio (E46) Overview:

Alpina B3 (Cabrio (E46)). With 335 Nm of torque, it offers ample pulling power. With a weight of 1620 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is good (0–100 km/h in 6.1 s). The top speed reaches 260 km/h. A convertible car with a retractable roof, offering open-air driving experiences. Seating for 4 makes it ideal for daily use.

3.3 i 24V (280 Hp) Verdict:

Rating 4 stars

Performance Verdict

Offers strong, linear acceleration with the engaging manual gearbox, characteristic of Alpina's refined power delivery and excellent road manners.

Fuel Economy

Fuel consumption is reasonable for a performance convertible of its size and power, especially with the manual transmission, balancing performance with daily usability.

Best Use Case: Spirited weekend drives, engaging backroad excursions, and comfortable highway cruising.

Pros and Cons:

Pros:

  • • Exceptional blend of performance and luxury
  • • Refined Alpina-tuned inline-six engines
  • • High-quality interior materials and craftsmanship
  • • Engaging driving dynamics for a convertible
  • • Exclusivity and strong enthusiast appeal
  • • Timeless E46 design with Alpina enhancements

Cons:

  • • Higher running costs and maintenance compared to standard BMWs
  • • Rear seat space is limited for adults
  • • Older platform means fewer modern safety/tech features
  • • Some automatic variants have significantly higher fuel consumption
  • • Finding specific Alpina parts can be challenging due to exclusivity
  • • Potential for age-related maintenance issues

Specifications:

Specifications are compared to those of the previous generation(Coupe (E46): 1999 - 2006).

General:
Brand:Alpina
Model:B3
Generation:Cabrio (E46)
Modification (Engine):3.3 i 24V (280 Hp)
Start of production:2000
End of production:2006
Powertrain Architecture:Internal Combustion engine
Body type:Cabriolet
Seats:4
Doors:2
Engine:
Power:280 Hp @ 6200 rpm.
Power per litre:84.8 Hp/l
Torque:335 Nm @ 4500 rpm.
Engine displacement:3300
Number of cylinders:6
Engine configuration:Inline
Number of valves per cylinder:4
Fuel injection system:Multi-port manifold injection
Engine aspiration:Naturally aspirated engine
Valvetrain:DOHC
Engine layout:Front, Longitudinal
Cylinder Bore:86.4 mm
Piston Stroke:93.8 mm
Compression ratio:10.2:1
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:16.9 l/100 km
Fuel consumption (economy) - extra urban:8.2 l/100 km
Fuel consumption (economy) - combined:11.4 l/100 km
Acceleration 0 - 100 km/h:6.1 sec
Acceleration 0 - 62 mph:6.1 sec
Maximum speed:260 km/h
Weight-to-power ratio:5.8 kg/Hp, 172.8 Hp/tonne
Weight-to-torque ratio:4.8 kg/Nm, 206.8 Nm/tonne
Acceleration 0 - 60 mph:5.8 sec
Space:
Kerb Weight:1620
Max. weight:2040
Max load:420
Trunk (boot) space - minimum:300 l
Fuel tank capacity:63 l
Size:
Length:4488 mm [Same length.]
Width:1757 mm [Same width.]
Height:1352 mm [15mm less]
Wheelbase:2725 mm [Same wheelbase.]
Front track:1471 mm
Rear (Back) track:1472 mm
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears6
Transmission typeManual
Front brakesVentilated discs [Best for performance and cooling.]
Rear brakesVentilated discs [Best for performance and cooling.]
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringHydraulic Steering
Tires size225/40 ZR18; 255/35 ZR18
Wheel rims size8J X 18; 9J X 18
Front suspensionWishbone
Rear suspensionCoil spring

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