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Lexus & Caravan


The Lexus RX450h and the Caravan as an example with a laden weight of 1710 kg is a good match.

Attention: performances are not possible to calculate!

Weight

weight ratio
towball limit
stability

Flat roads

speed
acceleration
8th gear

Mountains

speed
hill starts
driving

74%

1710 kg 2325 kg
95 kg


Score 8.1


44%

The stability score is calculated with a noseweight of 95 kg. That is 15 kg more than the towball limit of the car!

Good

  • Speed on motorways
  • Hill starts
  • Usability highest gear
  • Higher revs uphill not necessary

Bad

  • Towball limit is a bit too low (15 kg)


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Number of useful calculations

Verdict

The Lexus RX450h and the Caravan as an example of a laden weight of 1710 kg is an excellent combination for all journeys on all kinds of roads.

Weight

The chance of snaking is relatively small at normal speed, if the caravan is well loaded.

Flat roads

The performances of the engine of this outfit are in general very good. Under all conditions on motorways it is possible to drive with 60 mph in the 8th gear. In that case the engine runs approximately 1800 rpm. Maybe the engine is not running smoothly at low revs so it is better to shiftdown to the 7th gear, the engine runs in that case 2600 rpm (witch is maybe more noisily than usually accustomed). In a headwind or for example on a crossover there is no need to downshift immediately.

Mountains

On most motorways inclines (1:20) driving is easily possible in the 7th gear with 50 mph and even full throttle with 69 mph but maybe the engine is running better by somewhat more revs in the 6th gear). In the 6th gear the top speed is 86 mph (5051 rpm). Hill starts are possible on steep slopes, theoretical up to 48%, if the wheels have sufficient traction. Because the car does not have enough power at low revs, we recommend a gradient of more than 46% not to drive.

Attention: This car can easily drive much faster with the caravan than is safe. So always keep an eye on your speed!


Results

The main details in a list. Ideal for comparing different combinations with one another, for example your present with a new one.

Weight
Towing limit
2000 kg
Weight ratio
74%
(laden Caravan / laden Car)
(1710 kg / 2325 kg)
Noseweight
Towball limit
80 kg
Advise
95 kg
Stability
Score at legislative - optimal noseweight
6.7 - 8.1
Infuence pay load
17%
Flat roads
Top speed
106 mph (6th gear)
At headwind
102 mph
Speed in practice
98 mph (7th gear)
Acceleration
0 - 60 mph
12.3 sec. - (max. 11.2 sec.)
30 - 60 mph
7.6 sec. - (max. 7.2 sec.)
50 - 60 mph
3th gear: 3.3 sec. (max. 2.8 sec.)
Power at 60 mph
Highest (8th) gear
often useful
Gears in practice
8th gear
7th gear
Revs at 60 mph
1757
2635
Percentage between accelerator
59% - 68%
40% - 46%
Power needed at 60 mph 1761 N
over: 1331 N
over: 2733 N
Motorway inclines 1:20
Speed (maximum)
81 mph - (86 mph)
In the
6th gear
Revs
4795 - (5051)
Acceleration 30 - 50 mph
6.7 sec. - (max. 5.9 sec.)
Normaly at 50 mph in the
7th gear
6th gear
By revs
2196
2928
Percentage accelerator
80%
61%
Hill starts
Maximum incline
39.9% - 53.1%
Minimum speed (whereby power)
4 mph - (5 mph)
Mountain roads
Maximum slope driving
38.7%
Maximum speed on 1:8
60 mph in the 4th gear

 

Download a fact sheet in PDF


Details combination

You may customize the data to your own situation.

Car
Lexus RX450h
Year
November 2015 - up to now
Power
kW (313 bhp) at rpm
Torque
Nm at - rpm
Kerbweight
kg user payload kg
Tyres
/ R
Gearbox
automatic with 8 gears and torque converter
Towing limit
kg (towball limit kg)
Caravan
Caravan as an example
Empty weight
kg Payload kg
MTPLM
kg
Height:
m. (8'5")
Overall width:
m. (7'7")
Overall body lenght:
m. (16'9")
Shipping length:
m. (20'10")
Actual gross train weight
4035 kg
Stated vehicle gross train weight
kg

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Reviews

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