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BMW X3 vs Buick Rainier

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

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2007 Buick Rainier

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Overview

SpecBMW X330 xDriveBuick RainierCXL
Selected trim30 xDriveCXL
Body styleSUVSUV
Drivetrainall wheel driverear wheel drive
Fuel typepremium unleaded (required)regular unleaded
Transmission8-speed shiftable automatic4-speed automatic
Engine typemild hybridgas
Model year20262007

Pricing & market

SpecBMW X330 xDriveBuick RainierCXL
MSRP$51,300$31,550 (best)
Lowest listing price$11,795 (best)—
Median listing price$56,154 (best)—
Highest listing price$79,148 (best)—
For sale now223 (best)0

Fuel economy & range

SpecBMW X330 xDriveBuick RainierCXL
Combined MPG29 MPG (best)16 MPG
City MPG27 MPG (best)14 MPG
Highway MPG33 MPG (best)20 MPG
Fuel tank17.2 gal22 gal (best)

Performance

SpecBMW X330 xDriveBuick RainierCXL
Horsepower255 hp291 hp (best)
Torque295 lb-ft (best)277 lb-ft
Engine size2 L4.2 L (best)
CylindersI4I6

Size & capability

SpecBMW X330 xDriveBuick RainierCXL
Seating5 seats5 seats
Doors45 (best)
Cargo volume67.1 cu ft80.1 cu ft (best)
Towing capacity—6,700 lbs (best)
Payload—1,133 lbs (best)
Curb weight4,176 lbs (best)4,417 lbs
Ground clearance8.5 in (best)8 in
Wheelbase112.8 in113 in (best)
Length187.2 in193.4 in (best)
Width75.6 in (best)75.4 in
Height65.4 in74.5 in (best)

Safety & recalls

SpecBMW X330 xDriveBuick RainierCXL
NHTSA overall4 / 5 ★ (best)—
Frontal crash (driver)4 / 5 ★ (best)3 / 5 ★
Frontal crash (passenger)4 / 5 ★4 / 5 ★
Side crash (driver)5 / 5 ★ (best)—
Side crash (passenger)5 / 5 ★ (best)—
Side pole5 / 5 ★ (best)—
Rollover4 / 5 ★4 / 5 ★
Open recalls (YMM scope)2 (best)5

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimBMW X3Buick Rainier
1

30 xDrive

$51,300 MSRP(Currently comparing)

CXL

$31,550 MSRP(Currently comparing)

2

M50 xDrive

$66,500 MSRP

CXL

$33,570 MSRP

Live inventory

BMW X3 vs Buick Rainier FAQ

Which is better: 2026 BMW X3 or 2007 Buick Rainier?
It depends on priorities. OpenDealer compares 2026 BMW X3 vs 2007 Buick Rainier on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2026 BMW X3 or 2007 Buick Rainier?
Based on starting MSRP, the 2007 Buick Rainier starts lower at $31,550. Live BMW X3 listings start at $11,795.
Which has better startingMsrp: 2026 BMW X3 or 2007 Buick Rainier?
The 2007 Buick Rainier leads on startingMsrp in this comparison (31,550).
Which has better combinedMpg: 2026 BMW X3 or 2007 Buick Rainier?
The 2026 BMW X3 leads on combinedMpg in this comparison (29).
Which has better horsepower: 2026 BMW X3 or 2007 Buick Rainier?
The 2026 BMW X3 leads on horsepower in this comparison (393).
Which has better maxTowingLbs: 2026 BMW X3 or 2007 Buick Rainier?
The 2007 Buick Rainier leads on maxTowingLbs in this comparison (6,700).
How do the NHTSA safety ratings compare for 2026 BMW X3 vs 2007 Buick Rainier?
NHTSA overall crash-test ratings in this comparison: BMW X3 (4/5 NHTSA overall).