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2021 BMW

Alpina XB7

Auto (S8), 8 cyl, 4.4 L, Turbo

BMW Alpina XB7: best and worst years
2021 BMW Alpina XB7
2021 photoAlexander MiglCC BY-SA 4.0Wikimedia Commons

Overview

Body
Standard Sport Utility Vehicle 4WDEPA, from EPA, last updated 6/22/2026
Drivetrain
All-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (S8)EPA, from EPA, last updated 6/22/2026
Powertrain
GasEPA, from EPA, last updated 6/22/2026
Fuel
PremiumEPA, from EPA, last updated 6/22/2026

Engine & performance

HP
612
Axle ratio
3.38
Cyl
8EPA, from EPA, last updated 6/22/2026
Aspiration
TurbochargedEPA, from EPA, last updated 6/22/2026
Start-stop system
YesEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
21 mpgEPA, from EPA, last updated 6/22/2026
MPG City
15 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
17 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$4,550EPA, from EPA, last updated 6/22/2026
CO₂
514 g/miEPA, from EPA, last updated 6/22/2026
Eco Score
3/10EPA, from EPA, last updated 6/22/2026
Smog score
3/10
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026
SmartWay certified
No

Safety NHTSA, model year

Stability control (ESC)
Standard
Forward-collision warning
Standard
Lane-departure warning
Standard
Recalls
0
Owner complaints
0

Known issues manufacturer service bulletins, model year

46 service bulletins filed with NHTSA for this model year

  • Jan 11, 2024ELECTRICAL SYSTEMB611305

    The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.

  • Aug 1, 2023STRUCTURE:BODY:ROOF AND PILLARSB540521

    ?The sunroof will not operate in either direction.

  • Aug 1, 2023SEATSB520121

    ?The front seat will not calibrate/initialize, and the stored faults cannot be deleted.

  • Aug 1, 2023STEERINGB320223

    ?Unusual noises occur only when operating the steering column in the axial direction.

  • Jun 1, 2023VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEMB640821

    The air conditioning cycles from cold to warm air while driving or while at a stand still. The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38 F to 60 F +) without changing any climate control settings.

  • Jun 1, 2023EXTERIOR LIGHTINGB630821

    Headlight check control (CC) message 128 "High beam headlight failure" is displayed. The following fault codes are stored during a vehicle test: 80419A - Left high-beam headlight: Short circuit and/or 8041A5 - light outputs: Number of permitted short circuit cycles exceeded

  • Jun 1, 2023STEERINGB320420

    A groaning type noise is heard during the height adjustment.

  • Jun 1, 2023FUEL SYSTEM, GASOLINEB160123

    A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system (NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak: leakage more than 0.5 mm.

  • and 38 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
4 yr / 50k mi
Roadside assistance
4 yr
Maintenance
3 yr / 36k mi
EV battery
8 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.