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Audi A5 B10 vs Audi Q9 I: specs side by side

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Quick comparison from catalog data - no editorial review of this pair yet.

Audi A5 B10

Audi · 2024–present

A5 B10

C PI 461

Power
110 kW150 PS
0–100 km/h
9.8 s
Kerb mass
1,770 kg

Version spec sheet

Photo: Alexander Migl / Wikimedia Commons, CC BY-SA 4.0
Audi Q9 I

Audi · 2026–present

Q9 I

Power
220 kW299 PS
0–100 km/h
-
Kerb mass
-

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At a glance

Who suits what, worked out from the catalog figures of the versions above.

Categories won: A5 B10 1 Q9 I 1

  • City A5 B10 Length: 4,829 mm vs 5,310 mm; Width: 1,860 mm vs 2,210 mm
  • Off-road Q9 I Drive and body: All-wheel drive · SUV vs All-wheel drive · Liftback

In plain words

Audi Q9 I has more power: 220 kW (299 PS) against 110 kW (150 PS) for Audi A5 B10. Audi Q9 I is 481 mm longer than Audi A5 B10 (5,310 mm vs 4,829 mm). Audi A5 B10 is the older design (from 2024); Audi Q9 I arrived in 2026. On the catalog figures, the Audi A5 B10 is the pick for city; the Audi Q9 I is the pick for off-road. Our catalog has no 0–100 km/h for the Audi Q9 I yet, so some checks above leave it out.

Size and weight

Side view to scale, all cars from the front bumper.

A5 B10 · Q9 I
0 m1 m2 m3 m4 m5 m6 m7 m1 m0 ft1 ft2 ft3 ft4 ft5 ft6 ft7 ft8 ft9 ft10 ft11 ft12 ft13 ft14 ft15 ft16 ft17 ft18 ft19 ft20 ft21 ft22 ft23 ft1 ft2 ft3 ft4 ft5 ftWheelbase 2,892 mmWheelbase 9 ft 6 inLength 4,829 mmLength 15 ft 10 in1,444 mm4 ft 9 inWheelbase 3,140 mmWheelbase 10 ft 4 inLength 5,310 mmLength 17 ft 5 in1,810 mm5 ft 11 in
A5 B10Q9 I
Length 4,829 mm190.1 in 5,310 mm209.1 in +481 mm +18.9 in +10.0%
Width 1,860 mm73.2 in 2,210 mm87.0 in +350 mm +13.8 in +18.8%
Height 1,444 mm56.9 in 1,810 mm71.3 in +366 mm +14.4 in +25.3%
Wheelbase 2,892 mm113.9 in 3,140 mm123.6 in +248 mm +9.8 in +8.6%
Fits a standard garage? TightToo long and too wide

Difference vs A5 B10 (±). Garage check: a standard single garage takes a car up to about 5.0 m (16 ft 5 in) long and 1.9 m (6 ft 3 in) wide (width as listed in the catalog; some makers include the mirrors). Leave about 0.6 m (2 ft) to open the doors.

Size comparison to scale: Front and top views, inches →

Full specifications

Audi A5 B10Audi Q9 I
General
Version 2.0 TFSI (150 PS) · petrol · 110 kW (150 PS) 3.0 V6 TDI mild hybrid · diesel · 220 kW (299 PS)
Production years 2024–present 2026–present
Body Liftback SUV
Country Germany Germany
Performance
Power Why it matters: More power means stronger acceleration and easier overtaking, especially with a full load. 110 kW (150 PS) 148 hp 220 kW (299 PS) 295 hp Better
Power, all versions 110–470 kW (150–639 PS) 148–630 hp 220 kW (299 PS) 295 hp
Torque Why it matters: Torque is the pulling force you feel when accelerating from low revs, towing or climbing hills. 280 Nm 207 lb-ft 630 Nm 465 lb-ft Better
0–100 km/h Why it matters: A shorter 0–100 km/h time means quicker getaways and safer merging onto fast roads. 9.8 s No data
Power per tonne 62 kW/t 76 hp/ton calculated No data
Engine and transmission
Fuel Petrol Diesel
Engine 1,984 cc · 4 cyl 2.0 l 6 cyl
Gearbox 7-speed dual-clutch 8-speed automatic
Drive All-wheel drive All-wheel drive
Dimensions and weight
Length 4,829 mm 190.1 in 5,310 mm 209.1 in
Width 1,860 mm 73.2 in 2,210 mm 87.0 in
Height 1,444 mm 56.9 in 1,810 mm 71.3 in
Wheelbase 2,892 mm 113.9 in 3,140 mm 123.6 in
Kerb weight Why it matters: A lighter car is usually more agile and uses less energy. 1,770 kg 3,902 lb No data
Boot Why it matters: A bigger boot fits more luggage, shopping or a pram. 445 l 15.7 cu ft No data
Economy and running costs
Fuel consumption Why it matters: Lower consumption cuts running costs and CO₂ emissions on every trip. 6.9 l/100 km 34.1 mpg US No data
CO₂ 157 g/km No data
Fuel cost per year €1,810/year estimated No data

Better marks the stronger figure - only for measurable specs (power, torque, 0–100 km/h, consumption, boot, weight).

Estimated at 15,000 km a year with fuel at €1.75/l petrol.

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